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Note: This page contains sample records for the topic "activity water-gas samples" from the National Library of EnergyBeta (NLEBeta).
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We encourage you to perform a real-time search of NLEBeta
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1

Water-Gas Samples At Valles Caldera - Redondo Geothermal Area...  

Open Energy Info (EERE)

Jump to: navigation, search GEOTHERMAL ENERGYGeothermal Home Exploration Activity: Water-Gas Samples At Valles Caldera - Redondo Geothermal Area (Janik & Goff, 2002)...

2

Water-Gas Sampling At Fenton Hill HDR Geothermal Area (Janik...  

Open Energy Info (EERE)

Water-Gas Sampling At Fenton Hill HDR Geothermal Area (Janik & Goff, 2002) Exploration Activity Details Location Fenton Hill HDR Geothermal Area Exploration Technique Water-Gas...

3

Water-Gas Samples At Long Valley Caldera Geothermal Area (Farrar...  

Open Energy Info (EERE)

Jump to: navigation, search GEOTHERMAL ENERGYGeothermal Home Exploration Activity: Water-Gas Samples At Long Valley Caldera Geothermal Area (Farrar, Et Al., 2003) Exploration...

4

In Situ Studies of the Active Sites for the Water Gas Shift Reaction over Cu-CeO2 Catalysts: Complex Interaction Between Metallic Copper and Oxygen Vacancies of Ceria  

SciTech Connect (OSTI)

New information about the active sites for the water gas shift (WGS) reaction over Cu-CeO{sub 2} systems was obtained using in-situ, time-resolved X-ray diffraction (TR-XRD), X-ray absorption spectroscopy (TR-XAS, Cu K and Ce L3 edges), and infrared spectroscopy (DRIFTS). Cu-CeO{sub 2} nanoparticles prepared by a novel reversed microemulsion method (doped Ce1-xCuxO2 sample) and an impregnation method (impregnated CuO{sub x}/CeO{sub 2} sample) were studied. The results from all of the samples indicate that both metallic copper and oxygen vacancies in ceria were involved in the generation of active sites for the WGS reaction. Evidence was found for a synergistic Cu-O vacancy interaction. This interaction enhances the chemical activity of Cu, and the presence of Cu facilitates the formation of O vacancies in ceria under reaction conditions. Water dissociation occurred on the O vacancy sites or the Cu-O vacancy interface. No significant amounts of formate were formed on the catalysts during the WGS reaction. The presence of strongly bound carbonates is an important factor for the deactivation of the catalysts at high temperatures. This work identifies for the first time the active sites for the WGS reaction on Cu-CeO{sub 2} catalysts and illustrates the importance of in situ structural studies for heterogeneous catalytic reactions.

Wang,X.; Rodriguez, J.; Hanson, J.; Gamarra, D.; Martinez-Arias, A.; Fernandez-Garcia, M.

2006-01-01T23:59:59.000Z

5

Unraveling the Active Site in Copper-Ceria Systems for the Water-Gas Shift Reaction: In Situ Characterization of an Inverse Powder CeO2-x/CuO-Cu Catalyst  

SciTech Connect (OSTI)

An inverse powder system composed of CeO{sub 2} nanoparticles dispersed over a CuO-Cu matrix is proposed as a novel catalyst for the water-gas shift reaction. This inverse CeO{sub 2}/CuO-Cu catalyst exhibits a higher activity than standard Cu/CeO{sub 2} catalysts. In situ synchrotron characterization techniques were employed to follow the structural changes of CeO{sub 2}/CuO-Cu under reaction conditions. Time-resolved X-ray diffraction experiments showed the transformation of CuO to metallic Cu via a Cu{sub 2}O intermediate. Short-order structural changes were followed by pair distribution function analysis and corroborated the results obtained by diffraction. Moreover, X-ray absorption spectroscopy also revealed oxidation state changes from Cu{sup 2+} to Cu{sup 0} and the partial reduction of CeO{sub x} nanoparticles. The activity data obtained by mass spectrometry revealed that hydrogen production starts once the copper has been fully reduced. The strong interaction of ceria and copper boosted the catalytic performance of the sample. The inverse catalyst was active at low temperatures, stable to several reaction runs and to redox cycles. These characteristics are highly valuable for mobile fuel cell applications. The active phases of the inverse CeO{sub 2}/CuO-Cu catalyst are partially reduced ceria nanoparticles strongly interacting with metallic copper. The nature and structure of the ceria nanoparticles are of critical importance because they are involved in processes related to water dissociation over the catalyst surface.

Barrio, L.; Estrella, M; Zhou, G; Wen, W; Hanson, J; Hungria, A; Hornes, A; Fernandez-Garcia, M; Martinez-Arias, A; Rodriguez, J

2010-01-01T23:59:59.000Z

6

Unraveling the Active Site in Copper-ceria Systems for the Water Gas Shift Reaction: In-situ Characterization of an Inverse Powder CeO2-x/CuO-Cu Catalyst  

SciTech Connect (OSTI)

An inverse powder system composed of CeO{sub 2} nanoparticles dispersed over a CuO-Cu matrix is proposed as a novel catalyst for the water-gas shift reaction. This inverse CeO{sub 2}/CuO-Cu catalyst exhibits a higher activity than standard Cu/CeO{sub 2} catalysts. In situ synchrotron characterization techniques were employed to follow the structural changes of CeO{sub 2}/CuO-Cu under reaction conditions. Time-resolved X-ray diffraction experiments showed the transformation of CuO to metallic Cu via a Cu{sub 2}O intermediate. Short-order structural changes were followed by pair distribution function analysis and corroborated the results obtained by diffraction. Moreover, X-ray absorption spectroscopy also revealed oxidation state changes from Cu{sup 2+} to Cu{sup 0} and the partial reduction of CeOx nanoparticles. The activity data obtained by mass spectrometry revealed that hydrogen production starts once the copper has been fully reduced. The strong interaction of ceria and copper boosted the catalytic performance of the sample. The inverse catalyst was active at low temperatures, stable to several reaction runs and to redox cycles. These characteristics are highly valuable for mobile fuel cell applications. The active phases of the inverse CeO{sub 2}/CuO-Cu catalyst are partially reduced ceria nanoparticles strongly interacting with metallic copper. The nature and structure of the ceria nanoparticles are of critical importance because they are involved in processes related to water dissociation over the catalyst surface.

Rodriguez, J.A.; Barrio, L.; Estrella, M.; Zhou, G.; Wen, W.; Hanson, J.C.; Hungría, A.B.; Hornés, A.; Fernández-García, M.; Arturo Martínez-Arias, A.

2010-03-04T23:59:59.000Z

7

Water-Gas Sampling | Open Energy Information  

Open Energy Info (EERE)

AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE: Alternative Fuels Data Center Home Page on Google Bookmark EERE: Alternative Fuels Data CenterFranconia, Virginia:FAQ < RAPID Jump to:Seadov PtyInformationSEDS dataIndiana:CoopWaspa

8

WATER-GAS SHIFT WITH INTEGRATED HYDROGEN SEPARATION  

SciTech Connect (OSTI)

Optimization of the water-gas shift (WGS) reaction system for hydrogen production for fuel cells is of particular interest to the energy industry. To this end, it is desirable to couple the WGS reaction to hydrogen separation using a semi-permeable membrane, with both processes carried out at high temperature to improve reaction kinetics. Reduced equilibrium conversion of the WGS reaction at high temperatures is overcome by product H{sub 2} removal via the membrane. This project involves fundamental research and development of novel cerium oxide-based catalysts for the water-gas-shift reaction and the integration of these catalysts with Pd-alloy H{sub 2}-separation membranes supplying high purity hydrogen for fuel cell use. Conditions matching the requirements of coal gasifier-exit gas streams will be examined in the project. In the first year of the project, we prepared a series of nanostructured Cu- and Fe-containing ceria catalysts by a special gelation/precipitation technique followed by air calcination at 650 C. Each sample was characterized by ICP for elemental composition analysis, BET-N2 desorption for surface area measurement, and by temperature-programmed reduction in H{sub 2} to evaluate catalyst reducibility. Screening WGS tests with catalyst powders were conducted in a flow microreactor at temperatures in the range of 200-550 C. On the basis of both activity and stability of catalysts in simulated coal gas, and in CO{sub 2}-rich gases, a Cu-CeO{sub 2} catalyst formulation was selected for further study in this project. Details from the catalyst development and testing work are given in this report. Also in this report, we present H{sub 2} permeation data collected with unsupported flat membranes of pure Pd and Pd-alloys over a wide temperature window.

Maria Flytzani-Stephanopoulos; Jerry Meldon; Xiaomei Qi

2001-12-01T23:59:59.000Z

9

Gold, Copper, and Platinum Nanoparticles Dispersed on CeOx/TiO2(110) Surfaces: High Water-Gas Shift Activity and the Nature of the Mixed-Metal Oxide at the Nanometer Level  

SciTech Connect (OSTI)

At small coverages of ceria on TiO{sub 2}(110), the CeO{sub x} nanoparticles have an unusual coordination mode. Scanning tunneling microscopy and density-functional calculations point to the presence of Ce{sub 2}O{sub 3} dimers, which form diagonal arrays that have specific orientations of 0, 24, and 42{sup o} with respect to the [1 -1 0] direction of the titania substrate. At high coverages of ceria on TiO{sub 2}(110), the surface exhibits two types of terraces. In one type, the morphology is not very different from that observed at low ceria coverage. However, in the second type of terrace, there is a compact array of ceria particles with structures that do not match the structures of CeO{sub 2}(111) or CeO{sub 2}(110). The titania substrate imposes on the ceria nanoparticles nontypical coordination modes, enhancing their chemical reactivity. This phenomenon leads to a larger dispersion of supported metal nanoparticles (M = Au, Cu, Pt) and makes possible the direct participation of the oxide in catalytic reactions. The M/CeO{sub x}/TiO{sub 2}(110) surfaces display an extremely high catalytic activity for the water-gas shift reaction that follows the sequence Au/CeO{sub x}/TiO{sub 2}(110) < Cu/CeO{sub x}/TiO{sub 2}(110) < Pt/CeO{sub x}/TiO{sub 2}(110). For low coverages of Cu and CeO{sub x}, Cu/CeO{sub x}/TiO{sub 2}(110) is 8-12 times more active than Cu(111) or Cu/ZnO industrial catalysts. In the M/CeO{sub x}/TiO{sub 2}(110) systems, there is a strong coupling of the chemical properties of the admetal and the mixed-metal oxide: The adsorption and dissociation of water probably take place on the oxide, CO adsorbs on the admetal nanoparticles, and all subsequent reaction steps occur at the oxide-admetal interface. The high catalytic activity of the M/CeO{sub x}/TiO{sub 2}(110) surfaces reflects the unique properties of the mixed-metal oxide at the nanometer level.

Park, J.; Graciani, J; Evans, J; Stacchiola, D; Senanayake, S; Barrio, L; Liu, P; Fdez. Sanz, J; Hrbek, J; Rodriguez, J

2010-01-01T23:59:59.000Z

10

Gold, Copper and Platinum Nanoparticles Dispersed on CeOx/TiO2(110) Surfaces: High Water-Gas Shift Activity and the Nature of the Mixed-Metal Oxide at the Nanometer Level  

SciTech Connect (OSTI)

At small coverages of ceria on TiO{sub 2}(110), the CeO{sub x} nanoparticles have an unusual coordination mode. Scanning tunneling microscopy and density-functional calculations point to the presence of Ce{sub 2}O{sub 3} dimers, which form diagonal arrays that have specific orientations of 0, 24, and 42{sup o} with respect to the [1 -1 0] direction of the titania substrate. At high coverages of ceria on TiO{sub 2}(110), the surface exhibits two types of terraces. In one type, the morphology is not very different from that observed at low ceria coverage. However, in the second type of terrace, there is a compact array of ceria particles with structures that do not match the structures of CeO{sub 2}(111) or CeO{sub 2}(110). The titania substrate imposes on the ceria nanoparticles nontypical coordination modes, enhancing their chemical reactivity. This phenomenon leads to a larger dispersion of supported metal nanoparticles (M = Au, Cu, Pt) and makes possible the direct participation of the oxide in catalytic reactions. The M/CeO{sub x}/TiO{sub 2}(110) surfaces display an extremely high catalytic activity for the water-gas shift reaction that follows the sequence Au/CeO{sub x}/TiO{sub 2}(110) < Cu/CeO{sub x}/TiO{sub 2}(110) < Pt/CeO{sub x}/TiO{sub 2}(110). For low coverages of Cu and CeO{sub x}, Cu/CeO{sub x}/TiO{sub 2}(110) is 8-12 times more active than Cu(111) or Cu/ZnO industrial catalysts. In the M/CeO{sub x}/TiO{sub 2}(110) systems, there is a strong coupling of the chemical properties of the admetal and the mixed-metal oxide: The adsorption and dissociation of water probably take place on the oxide, CO adsorbs on the admetal nanoparticles, and all subsequent reaction steps occur at the oxide-admetal interface. The high catalytic activity of the M/CeO{sub x}/TiO{sub 2}(110) surfaces reflects the unique properties of the mixed-metal oxide at the nanometer level.

Rodriguez, J.A.; Park, J.B.; Graciani, J.; Evans, J.; Stacchiola, D.; Senanayake, S.D.; Barrio, L.; Liu, P.; Sanz, J.F.; Hrbek, J.

2010-01-13T23:59:59.000Z

11

HYDROGEN PRODUCTION THROUGH WATER GAS SHIFT REACTION OVER NICKEL CATALYSTS.  

E-Print Network [OSTI]

??The progress in fuel cell technology has resulted in an increased interest towards hydrogen fuel. Consequently, water gas shift reaction has found a renewed significance.… (more)

Haryanto, Agus

2008-01-01T23:59:59.000Z

12

Advanced Water-Gas Shift Membrane Reactor  

SciTech Connect (OSTI)

The overall objectives for this project were: (1) to identify a suitable PdCu tri-metallic alloy membrane with high stability and commercially relevant hydrogen permeation in the presence of trace amounts of carbon monoxide and sulfur; and (2) to identify and synthesize a water gas shift catalyst with a high operating life that is sulfur and chlorine tolerant at low concentrations of these impurities. This work successfully achieved the first project objective to identify a suitable PdCu tri-metallic alloy membrane composition, Pd{sub 0.47}Cu{sub 0.52}G5{sub 0.01}, that was selected based on atomistic and thermodynamic modeling alone. The second objective was partially successful in that catalysts were identified and evaluated that can withstand sulfur in high concentrations and at high pressures, but a long operating life was not achieved at the end of the project. From the limited durability testing it appears that the best catalyst, Pt-Re/Ce{sub 0.333}Zr{sub 0.333}E4{sub 0.333}O{sub 2}, is unable to maintain a long operating life at space velocities of 200,000 h{sup -1}. The reasons for the low durability do not appear to be related to the high concentrations of H{sub 2}S, but rather due to the high operating pressure and the influence the pressure has on the WGS reaction at this space velocity.

Sean Emerson; Thomas Vanderspurt; Susanne Opalka; Rakesh Radhakrishnan; Rhonda Willigan

2009-01-07T23:59:59.000Z

13

PdZnAl Catalysts for the Reactions of Water-Gas-Shift, Methanol...  

Broader source: All U.S. Department of Energy (DOE) Office Webpages (Extended Search)

PdZnAl Catalysts for the Reactions of Water-Gas-Shift, Methanol Steam Reforming, and Reverse-Water-Gas-Shift. PdZnAl Catalysts for the Reactions of Water-Gas-Shift, Methanol Steam...

14

WATER-GAS SHIFT WITH INTEGRATED HYDROGEN SEPARATION PROCESS  

SciTech Connect (OSTI)

This project involved fundamental research and development of novel cerium oxide-based catalysts for the water-gas-shift reaction and the integration of these catalysts with Pd-alloy H{sub 2} -separation membranes supplying high purity hydrogen for fuel cell use. Conditions matching the requirements of coal gasifier-exit gas streams were examined in the project. Cu-cerium oxide was identified as the most promising high-temperature water-gas shift catalyst for integration with H{sub 2}-selective membranes. Formulations containing iron oxide were found to deactivate in the presence of CO{sub 2}. Cu-containing ceria catalysts, on the other hand, showed high stability in CO{sub 2}-rich gases. This type gas will be present over much of the catalyst, as the membrane removes the hydrogen produced from the shift reaction. The high-temperature shift catalyst composition was optimized by proper selection of dopant type and amount in ceria. The formulation 10at%Cu-Ce(30at%La)O{sub x} showed the best performance, and was selected for further kinetic studies. WGS reaction rates were measured in a simulated coal-gas mixture. The apparent activation energy, measured over aged catalysts, was equal to 70.2 kJ/mol. Reaction orders in CO, H{sub 2}O, CO{sub 2} and H{sub 2} were found to be 0.8, 0.2, -0.3, and -0.3, respectively. This shows that H{sub 2}O has very little effect on the reaction rate, and that both CO{sub 2} and H{sub 2} weakly inhibit the reaction. Good stability of catalyst performance was found in 40-hr long tests. A flat (38 cm{sup 2}) Pd-Cu alloy membrane reactor was used with the catalyst washcoated on oxidized aluminum screens close coupled with the membrane. To achieve higher loadings, catalyst granules were layered on the membrane itself to test the combined HTS activity/ H{sub 2} -separation efficiency of the composite. Simulated coal gas mixtures were used and the effect of membrane on the conversion of CO over the catalyst was evidenced at high space velocities. Equilibrium CO conversion at 400 C was measured at a space velocity of 30,000 h{sup -1} with the 10{micro}m- thick Pd{sub 60}Cu{sub 40} membrane operating under a pressure differential of 100 psi. No carbon deposition took place during operation. The performance of the coupled Cu-ceria catalyst/membrane system at 400 C was stable in {approx} 30 h of continuous operation. The overall conclusion from this project is that Cu-doped ceria catalysts are suitable for use in high-temperature water-gas shift membrane reactors. CO{sub 2}-rich operation does not affect the catalyst activity or stability; neither does it affect hydrogen permeation through the Pd-Cu membrane. Operation in the temperature range of 400-430 C is recommended.

Maria Flytzani-Stephanopoulos; Xiaomei Qi; Scott Kronewitter

2004-02-01T23:59:59.000Z

15

Structure Sensitivity of the Low-temperature Water-gas Shift Reaction on Cu–CeO2 catalysts  

SciTech Connect (OSTI)

We have investigated the structure sensitivity of the water-gas shift (WGS) reaction on Cu-CeO{sub 2} catalysts prepared at the nanoscale by different techniques. On the surface of ceria, different CuO{sub x} structures exist. We show here that only the strongly bound Cu-[O{sub x}]-Ce species, probably associated with the surface oxygen vacancies of ceria, are active for catalyzing the low-temperature WGS reaction. Weakly bound CuO{sub x} clusters and CuO nanoparticles are spectator species in the reaction. Isolated Cu{sup 2+} ions doping the ceria surface are not active themselves, but they are important in that they create oxygen vacancies and can be used as a reservoir of copper to replenish surface Cu removed by leaching or sintering. Accordingly, synthesis techniques such as coprecipitation that allow for extensive solubility of Cu in ceria should be preferred over impregnation, deposition-precipitation, ion exchange or another two-step method whereby the copper precursor is added to already made ceria nanocrystals. For the synthesis of different structures, we have used two methods: a homogeneous coprecipitation (CP), involving hexamethylenetetramine as the precipitating agent and the pH buffer; and a deposition-precipitation (DP) technique. In the latter case, the ceria supports were first synthesized at the nanoscale with different shapes (rods, cubes) to investigate any potential shape effect on the reaction. Cu-CeO{sub 2} catalysts with different copper contents up to ca. 20 at.% were prepared. An indirect shape effect of CeO{sub 2}, manifested by the propensity to form oxygen vacancies and strongly bind copper in the active form, was established; i.e. the water-gas shift reaction is not structure-sensitive. The apparent activation energy of the reaction on all samples was similar, 50 {+-} 10 kJ/mol, in a product-free (2% CO-10% H{sub 2}O) gas mixture.

Si, R.; Zhang, L.; Raitano, J.; Yi, N.; Chan, S.-W.; Flytzani-Stephanopoulos, M.

2012-01-17T23:59:59.000Z

16

Carbon dioxide hydrogenation to form methanol via a reverse-water-gas-shift reaction (the CAMERE process)  

SciTech Connect (OSTI)

The CAMERE process (carbon dioxide hydrogenation to form methanol via a reverse-water-gas-shift reaction) was developed and evaluated. The reverse-water-gas-shift reactor and the methanol synthesis reactor were serially aligned to form methanol from CO{sub 2} hydrogenation. Carbon dioxide was converted to CO and water by the reverse-water-gas-shift reaction (RWReaction) to remove water before methanol was synthesized. With the elimination of water by RWReaction, the purge gas volume was minimized as the recycle gas volume decreased. Because of the minimum purge gas loss by the pretreatment of RWReactor, the overall methanol yield increased up to 89% from 69%. An active and stable catalyst with the composition of Cu/ZnO/ZrO{sub 2}/Ga{sub 2}O{sub 3} (5:3:1:1) was developed. The system was optimized and compared with the commercial methanol synthesis processes from natural gas and coal.

Joo, O.S.; Jung, K.D.; Han, S.H.; Uhm, S.J. [Korea Inst. of Science and Technology, Seoul (Korea, Republic of). Catalysis Lab.] [Korea Inst. of Science and Technology, Seoul (Korea, Republic of). Catalysis Lab.; Moon, I. [Yonsei Univ., Seoul (Korea, Republic of). Dept. of Chemical Engineering] [Yonsei Univ., Seoul (Korea, Republic of). Dept. of Chemical Engineering; Rozovskii, A.Y.; Lin, G.I. [A.V. Topchiev Inst. of Petrochemical Synthesis, Moscow (Russian Federation)] [A.V. Topchiev Inst. of Petrochemical Synthesis, Moscow (Russian Federation)

1999-05-01T23:59:59.000Z

17

PdZnAl Catalysts for the Reactions of Water-Gas-Shift, Methanol Steam Reforming, and Reverse-Water-Gas-Shift  

SciTech Connect (OSTI)

Pd/ZnO/Al2O3 catalysts were studied for water-gas-shift (WGS), methanol steam reforming, and reverse-water-gas-shift (RWGS) reactions. WGS activity was found to be dependent on the Pd:Zn ratio with a maximum activity obtained at approximately 0.50, which was comparable to that of a commercial Pt-based catalyst. The catalyst stability was demonstrated for 100 hours time-on-stream at a temperature of 3600C without evidence of metal sintering. WGS reaction rates were approximately 1st order with respect to CO concentration, and kinetic parameters were determined to be Ea = 58.3 kJ mol-1 and k0 = 6.1x107 min-1. During methanol steam reforming, the CO selectivities were observed to be lower than the calculated equilibrium values over a range of temperatures and steam/carbon ratios studied while the reaction rate constants were approximately of the same magnitude for both WGS and methanol steam reforming. These results indicate that although Pd/ZnO/Al2O3 are active WGS catalysts, WGS is not involved in methanol steam reforming. RWGS rate constants are on the order of about 20 times lower than that of methanol steam reforming, suggesting that RWGS reaction could be one of the sources for small amount of CO formation in methanol steam reforming.

Dagle, Robert A.; Platon, Alexandru; Datye, Abhaya K.; Vohs, John M.; Wang, Yong; Palo, Daniel R.

2008-03-07T23:59:59.000Z

18

WATER-GAS SHIFT KINETICS OVER IRON OXIDE CATALYSTS AT MEMBRANE REACTOR CONDITIONS  

SciTech Connect (OSTI)

This report covers the second year of a project investigating water-gas shift catalysts for use in membrane reactors. It has been established that a simple iron high temperature shift catalyst becomes ineffective in a membrane reactor because the reaction rate is severely inhibited by the build-up of the product CO{sub 2}. During the past year, an improved microkinetic model for water-gas shift over iron oxide was developed. Its principal advantage over prior models is that it displays the correct asymptotic behavior at all temperatures and pressures as the composition approaches equilibrium. This model has been used to explore whether it might be possible to improve the performance of iron high temperature shift catalysts under conditions of high CO{sub 2} partial pressure. The model predicts that weakening the surface oxygen bond strength by less than 5% should lead to higher catalytic activity as well as resistance to rate inhibition at higher CO{sub 2} partial pressures. Two promoted iron high temperature shift catalysts were studied. Ceria and copper were each studied as promoters since there were indications in the literature that they might weaken the surface oxygen bond strength. Ceria was found to be ineffective as a promoter, but preliminary results with copper promoted FeCr high temperature shift catalyst show it to be much more resistant to rate inhibition by high levels of CO{sub 2}. Finally, the performance of sulfided CoMo/Al{sub 2}O{sub 3} catalysts under conditions of high CO{sub 2} partial pressure was simulated using an available microkinetic model for water-gas shift over this catalyst. The model suggests that this catalyst might be quite effective in a medium temperature water-gas shift membrane reactor, provided that the membrane was resistant to the H{sub 2}S that is required in the feed.

Carl R.F. Lund

2001-08-10T23:59:59.000Z

19

Biological Water Gas Shift DOE Hydrogen, Fuel Cell, and Infrastructure  

E-Print Network [OSTI]

Yields Energy in Darkness · CO supports both cell growth and ATP synthesis, in darkness · ATP can be used to regenerate more water-gas shift catalysts in darkness · Dark bioreactor simplifies reactor design, operation's comments that shift reaction can support cell growth yielding energy in darkness leading to sustained H2

20

Analysis of a duo-selecting membrane reactor for the water-gas shift  

E-Print Network [OSTI]

The water-gas shift reaction is an exothermic and reversible catalytic process that converts carbon monoxide and water (steam) to hydrogen and carbon dioxide. In regard to energy-related issues, the water-gas shift is part ...

Hardy, AliciA Jillian Jackson, 1978-

2004-01-01T23:59:59.000Z

Note: This page contains sample records for the topic "activity water-gas samples" from the National Library of EnergyBeta (NLEBeta).
While these samples are representative of the content of NLEBeta,
they are not comprehensive nor are they the most current set.
We encourage you to perform a real-time search of NLEBeta
to obtain the most current and comprehensive results.


21

Development of Novel Water-Gas Shift Membrane Reactor  

SciTech Connect (OSTI)

This report summarizes the objectives, technical barrier, approach, and accomplishments for the development of a novel water-gas-shift (WGS) membrane reactor for hydrogen enhancement and CO reduction. We have synthesized novel CO{sub 2}-selective membranes with high CO{sub 2} permeabilities and high CO{sub 2}/H{sub 2} and CO{sub 2}/CO selectivities by incorporating amino groups in polymer networks. We have also developed a one-dimensional non-isothermal model for the countercurrent WGS membrane reactor. The modeling results have shown that H{sub 2} enhancement (>99.6% H{sub 2} for the steam reforming of methane and >54% H{sub 2} for the autothermal reforming of gasoline with air on a dry basis) via CO{sub 2} removal and CO reduction to 10 ppm or lower are achievable for synthesis gases. With this model, we have elucidated the effects of system parameters, including CO{sub 2}/H{sub 2} selectivity, CO{sub 2} permeability, sweep/feed flow rate ratio, feed temperature, sweep temperature, feed pressure, catalyst activity, and feed CO concentration, on the membrane reactor performance. Based on the modeling study using the membrane data obtained, we showed the feasibility of achieving H{sub 2} enhancement via CO{sub 2} removal, CO reduction to {le} 10 ppm, and high H{sub 2} recovery. Using the membrane synthesized, we have obtained <10 ppm CO in the H{sub 2} product in WGS membrane reactor experiments. From the experiments, we verified the model developed. In addition, we removed CO{sub 2} from a syngas containing 17% CO{sub 2} to about 30 ppm. The CO{sub 2} removal data agreed well with the model developed. The syngas with about 0.1% CO{sub 2} and 1% CO was processed to convert the carbon oxides to methane via methanation to obtain <5 ppm CO in the H{sub 2} product.

Ho, W. S. Winston

2004-12-29T23:59:59.000Z

22

WATER-GAS SHIFT KINETICS OVER IRON OXIDE CATALYSTS AT MEMBRANE REACTOR CONDITIONS  

SciTech Connect (OSTI)

The kinetics of water-gas shift were studied over ferrochrome catalysts under conditions with high carbon dioxide partial pressures, such as would be expected in a membrane reactor. The catalyst activity is inhibited by increasing carbon dioxide partial pressure. A microkinetic model of the reaction kinetics was developed. The model indicated that catalyst performance could be improved by decreasing the strength of surface oxygen bonds. Literature data indicated that adding either ceria or copper to the catalyst as a promoter might impart this desired effect. Ceria-promoted ferrochrome catalysts did not perform any better than unpromoted catalyst at the conditions tested, but copper-promoted ferrochrome catalysts did offer an improvement over the base ferrochrome material. A different class of water-gas shift catalyst, sulfided CoMo/Al{sub 2}O{sub 3} is not affected by carbon dioxide and may be a good alternative to the ferrochrome system, provided other constraints, notably the requisite sulfur level and maximum temperature, are not too limiting. A model was developed for an adiabatic, high-temperature water-gas shift membrane reactor. Simulation results indicate that an excess of steam in the feed (three moles of water per mole of CO) is beneficial even in a membrane reactor as it reduces the rate of adiabatic temperature rise. The simulations also indicate that much greater improvement can be attained by improving the catalyst as opposed to improving the membrane. Further, eliminating the inhibition by carbon dioxide will have a greater impact than will increasing the catalyst activity (assuming inhibition is still operative). Follow-up research into the use of sulfide catalysts with continued kinetic and reactor modeling is suggested.

Carl R.F. Lund

2002-08-02T23:59:59.000Z

23

Redox cycle stability of mixed oxides used for hydrogen generation in the cyclic water gas shift process  

SciTech Connect (OSTI)

Graphical abstract: - Highlights: • Fe{sub 2}O{sub 3} modified with CaO, SiO{sub 2} and Al{sub 2}O{sub 3} was studied in cyclic water gas shift reactor. • For the first time stability of such oxides were tested for 100 redox cycles. • Optimally added oxides significantly improved the activity and the stability of Fe{sub 2}O{sub 3}. • Increased stability was attributed to the impediment of neck formation. - Abstract: Repeated cycles of the reduction of Fe{sub 3}O{sub 4} with reductive gas, e.g. hydrogen and subsequent oxidation of the reduced iron material with water vapor can be harnessed as a process for the production of pure hydrogen. The redox behavior of iron oxide modified with various amounts of SiO{sub 2}, CaO and Al{sub 2}O{sub 3} was investigated in the present study. The total amount of the additional metal oxides was always below 15 wt%. The samples were prepared by co-precipitation using urea hydrolysis method. The influence of various metal oxides on the hydrogen production capacity and the material stability was studied in detail in terms of temperature-programmed reduction (TPR), X-ray diffraction (XRD), scanning electron microscopy (SEM) and BET analysis. Furthermore, the activity and the stability of the samples were tested in repeated reduction with diluted H{sub 2} and re-oxidation cycles with H{sub 2}O. The results indicate that combination of several oxides as promoter increases the stability of the iron oxide material by mitigating the sintering process. The positive influence of the oxides in stabilizing the iron oxide material is attributed to the impediment of neck formation responsible for sintering.

Datta, Pradyot, E-mail: pradyot.datta@gmail.com

2013-10-15T23:59:59.000Z

24

Comparison of Palladium and Platinum Water Gas Shift Kinetics Using Density Functional Theory Models.  

E-Print Network [OSTI]

??The Water Gas Shift (WGS) reaction can be either thermodynamically or kinetically limited, depending on process conditions. Improved catalysts are of particular interest at low… (more)

Clay, John

2014-01-01T23:59:59.000Z

25

Comparison of palladium and platinum Water Gas Shift reaction kinetics using density functional theory models.  

E-Print Network [OSTI]

?? The Water Gas Shift (WGS) reaction can be either thermodynamically or kinetically limited, depending on process conditions. Improved catalysts are of particular interest at… (more)

Clay, John P.

2014-01-01T23:59:59.000Z

26

Slurry phase Fischer-Tropsch synthesis: Cobalt plus a water-gas shift catalyst  

SciTech Connect (OSTI)

This report details experiments performed on three different copper-based catalysts: Cu/Cr[sub 2]O[sub 3], Cu/MnO/Cr[sub 2]O[sub 3] and Cu/ZnO/Al[sub 2]O[sub 3]. Of these three catalysts, the Cu/ZnO/Al[sub 2]O[sub 3] exhibits the greatest stability when slurried in octacosane. More than 1000 hours-on-stream indicate that the catalyst activity is not detrimentally affected by high pressure, high H[sub 2]/CO ratio, or the presence of alkenes. All of these are necessary stability characteristics for the water-gas shift catalyst, if it is to be used in combination with a cobalt Fischer-Tropsch catalyst. A review of documented reduction procedures for cobalt-based Fischer-Tropsch catalysts is presented.

Yates, I.C.; Satterfield, C.N.

1988-01-01T23:59:59.000Z

27

Reaction-Relevant Gold Structures in the Low Temperature Water-Gas Shift Reaction on Weiling Deng, Anatoly I. Frenkel, Rui Si, and Maria Flytzani-Stephanopoulos*,  

E-Print Network [OSTI]

cell and other uses. Highly active and stable WGS catalysts are required for integration in fuel cell systems.1 The commercially used WGS catalyst in chemical plants, Cu-ZnO, is unsuitable for fuel cell The water-gas shift (WGS) reaction is a key step in fuel processing to generate high-grade hydrogen for fuel

Frenkel, Anatoly

28

Environmental turbulent mixing controls on air-water gas exchange in marine and aquatic systems  

E-Print Network [OSTI]

linked with gas transfer. Microbreaking, or the breakdown of small-scale waves that do not entrain airEnvironmental turbulent mixing controls on air-water gas exchange in marine and aquatic systems; accepted 5 April 2007; published 17 May 2007. [1] Air-water gas transfer influences CO2 and other

Ho, David

29

Improved mesh based photon sampling techniques for neutron activation analysis  

SciTech Connect (OSTI)

The design of fusion power systems requires analysis of neutron activation of large, complex volumes, and the resulting particles emitted from these volumes. Structured mesh-based discretization of these problems allows for improved modeling in these activation analysis problems. Finer discretization of these problems results in large computational costs, which drives the investigation of more efficient methods. Within an ad hoc subroutine of the Monte Carlo transport code MCNP, we implement sampling of voxels and photon energies for volumetric sources using the alias method. The alias method enables efficient sampling of a discrete probability distribution, and operates in 0(1) time, whereas the simpler direct discrete method requires 0(log(n)) time. By using the alias method, voxel sampling becomes a viable alternative to sampling space with the 0(1) approach of uniformly sampling the problem volume. Additionally, with voxel sampling it is straightforward to introduce biasing of volumetric sources, and we implement this biasing of voxels as an additional variance reduction technique that can be applied. We verify our implementation and compare the alias method, with and without biasing, to direct discrete sampling of voxels, and to uniform sampling. We study the behavior of source biasing in a second set of tests and find trends between improvements and source shape, material, and material density. Overall, however, the magnitude of improvements from source biasing appears to be limited. Future work will benefit from the implementation of efficient voxel sampling - particularly with conformal unstructured meshes where the uniform sampling approach cannot be applied. (authors)

Relson, E.; Wilson, P. P. H.; Biondo, E. D. [University of Wisconsin-Madison, 1500 Engineering Drive, Madison, WI 53706 (United States)

2013-07-01T23:59:59.000Z

30

WATER-GAS SHIFT WITH INTEGRATED HYDROGEN SEPARATION PROCESS  

SciTech Connect (OSTI)

Optimization of the water-gas shift (WGS) reaction system for hydrogen production for fuel cells is of particular interest to the energy industry. To this end, it is desirable to couple the WGS reaction to hydrogen separation using a semi-permeable membrane, with both processes carried out at high temperatures to improve reaction kinetics and permeation. Reduced equilibrium conversion of the WGS reaction at high temperatures is overcome by product H{sub 2} removal via the membrane. This project involves fundamental research and development of novel cerium oxide-based catalysts for the water-gas-shift reaction and the integration of these catalysts with Pd-alloy H{sub 2}-separation membranes supplying high purity hydrogen for fuel cell use. Conditions matching the requirements of coal gasifier-exit gas streams will be examined in the project. The first-year screening studies of WGS catalysts identified Cu-ceria as the most promising high-temperature shift catalyst for integration with H{sub 2}-selective membranes. Formulations containing iron oxide were found to deactivate in the presence of CO{sub 2}, and were thus eliminated from further consideration. Cu-containing ceria catalysts, on the other hand, showed high stability in CO{sub 2}-rich gases. This type gas will be present over much of the catalyst, as the membrane removes the hydrogen produced from the shift reaction. Several catalyst formulations were prepared, characterized and tested in the first year of study. Details from the catalyst development and testing work were given in our first annual technical report. Hydrogen permeation through Pd and Pd-alloy foils was investigated in a small membrane reactor constructed during the first year of the project. The effect of temperature on the hydrogen flux through pure Pd, Pd{sub 60}Cu{sub 40} and Pd{sub 75}Ag{sub 25} alloy membranes, each 25 {micro}m thick, was evaluated in the temperature range from 250 C to 500 C at upstream pressure of 4.4 atm and permeate hydrogen pressure of 1 atm. Flux decay was observed for the Pd-Cu membrane above 500 C. From 350-450 C, an average hydrogen flux value of 0.2 mol H{sub 2}/m{sup 2}/s was measured over this Pd-alloy membrane. These results are in good agreement with literature data. In this year's report, we discuss reaction rate measurements, optimization of catalyst kinetics by proper choice of dopant oxide (lanthana) in ceria, long-term stability studies, and H{sub 2} permeation data collected with unsupported flat, 10 {micro}m-thick Pd-Cu membranes over a wide temperature window and in various gas mixtures. The high-temperature shift catalyst composition was further improved, by proper selection of dopant type and amount. The formulation 10 at%Cu-Ce(30 at%La)Ox was the best; this was selected for further kinetic studies. WGS reaction rates were measured in a simulated coal-gas mixture. The stability of catalyst performance was examined in 40-hr long tests. A series of hydrogen permeation tests were conducted in a small flat-membrane reactor using the 10 m{micro}-thick Pd-Cu membranes. Small inhibitory effects of CO and CO{sub 2} were found at temperatures above 350 C, while H{sub 2}O vapor had no effect on hydrogen permeation. No carbon deposition took place during many hours of membrane operation. The reaction extent on the blank (catalyst-free) membrane was also negligible. A larger flat-membrane reactor will be used next year with the catalyst wash coated on screens close coupled with the Pd-Cu membrane.

Maria Flytzani-Stephanopoulos, PI; Jerry Meldon, Co-PI; Xiaomei Qi

2002-12-01T23:59:59.000Z

31

A mini review on the chemistry and catalysis of the water gas shift reaction  

E-Print Network [OSTI]

Water gas shift (WGS) reaction is a chemical reaction in which carbon monoxide reacts with water vapor to form carbon dioxide and hydrogen. It is an important reaction industrially used in conjunction with steam reforming of hydrocarbons for the production of high purity hydrogen. Grenoble et al examined the roles of both active metals and metal oxide support on the kinetics of the WGS reaction. They found out that the turn over numbers of various Al2O3 supported transition metals decreased in the trend of Cu, Re, Co, Ru, Ni, Pt, Os, Au, Fe, Pd, Rh, and Ir, which corresponds nicely to the observed volcano shaped correlation between catalytic activities and respective CO adsorption heat. This is a strong indication that CO gets activated on the metal surface during the reaction and different metals have different activation energies. The authors also observed that the turn over number of Pt/Al2O3 was one order of magnitude higher than that of Pt/SiO2, indicating a strong support effect, which the authors ascri...

Zhao, Zhun

2014-01-01T23:59:59.000Z

32

E-Print Network 3.0 - active power filtering Sample Search Results  

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filtering Search Powered by Explorit Topic List Advanced Search Sample search results for: active power filtering...

33

E-Print Network 3.0 - active power filter Sample Search Results  

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filter Search Powered by Explorit Topic List Advanced Search Sample search results for: active power filter...

34

E-Print Network 3.0 - active power filters Sample Search Results  

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filters Search Powered by Explorit Topic List Advanced Search Sample search results for: active power filters...

35

Iron-ceria Aerogels Doped with Palladium as Water-gas Shift Catalysts for the Production of Hydrogen  

SciTech Connect (OSTI)

Mixed 4.5% iron oxide-95.5% cerium oxide aerogels doped with 1% and 2% palladium (Pd) by weight have been synthesized, and their activities for the catalysis of water-gas shift (WGS) reaction have been determined. The aerogels were synthesized using propylene oxide as the proton scavenger for the initiation of hydrolysis and polycondensation of a homogeneous alcoholic solution of cerium(III) chloride heptahydrate and iron(III) chloride hexahydrate precursor. Palladium was doped onto some of these materials by gas-phase incorporation (GPI) using ({eta}{sup 3}-allyl)({eta}{sup 5}-cyclopentadienyl)palladium as the volatile Pd precursor. Water-gas shift catalytic activities were evaluated in a six-channel fixed-bed reactor at atmospheric pressure and reaction temperatures ranging from 150 to 350 C. Both 1% and 2% Pd-doped 4.5% iron oxide-95.5% cerium oxide aerogels showed WGS activities that increased significantly from 150 to 350 C. The activities of 1% Pd-doped 4.5% iron oxide-95.5% cerium oxide aerogels were also compared with that of the 1% Pd-doped ceria aerogel without iron. The WGS activity of 1% Pd on 4.5% iron oxide-95.5% cerium oxide aerogels is substantially higher (5 times) than the activity of 1% Pd-doped ceria aerogel without iron. The gas-phase incorporation results in a better Pd dispersion. Ceria aerogel provides a nonrigid structure wherein iron is not significantly incorporated inside the matrix, thereby resulting in better contact between the Fe and Pd and thus enhancing the WGS activity. Further, neither Fe nor Pd is reduced during the ceria-aerogel-catalyzed WGS reaction. This behavior contrasts with that noted for other Fe-based WGS catalysts, in which the original ferric oxide is typically reduced to a nonstoichiometric magnetite form.

Bali, S.; Huggins, F; Ernst, R; Pugmire, R; Huffman, G; Eyring, E

2010-01-01T23:59:59.000Z

36

Density Functional Theory and Reaction Kinetics Studies of the Water–Gas Shift Reaction on Pt–Re Catalysts  

SciTech Connect (OSTI)

Periodic, self-consistent density functional theory calculations (DFT-GGA-PW91) on Pt(111) and Pt3Re(111) surfaces, reaction kinetics measurements, and microkinetic modeling are employed to study the mechanism of the water–gas shift (WGS) reaction over Pt and Pt–Re catalysts. The values of the reaction rates and reaction orders predicted by the model are in agreement with the ones experimentally determined; the calculated apparent activation energies are matched to within 6% of the experimental values. The primary reaction pathway is predicted to take place through adsorbed carboxyl (COOH) species, whereas formate (HCOO) is predicted to be a spectator species. We conclude that the clean Pt(111) is a good representation of the active site for the WGS reaction on Pt catalysts, whereas the active sites on the Pt–Re alloy catalyst likely contain partially oxidized metal ensembles.

Carrasquillo-Flores, Ronald; Gallo, Jean Marcel R.; Hahn, Konstanze; Dumesic, James A.; Mavrikakis, Manos

2013-12-01T23:59:59.000Z

37

E-Print Network 3.0 - active oxygen content Sample Search Results  

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Powered by Explorit Topic List Advanced Search Sample search results for: active oxygen content Page: << < 1 2 3 4 5 > >> 1 Reactivity and coverage of active surface species...

38

E-Print Network 3.0 - air pollution active Sample Search Results  

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active Search Powered by Explorit Topic List Advanced Search Sample search results for: air pollution active Page: << < 1 2 3 4 5 > >> 1 Poster Design & Printing by Genigraphics...

39

Metal/ceria water-gas shift catalysts for automotive polymer electrolyte fuel cell system.  

SciTech Connect (OSTI)

Polymer electrolyte fuel cell (PEFC) systems are a leading candidate for replacing the internal combustion engine in light duty vehicles. One method of generating the hydrogen necessary for the PEFC is reforming a liquid fuel, such as methanol or gasoline, via partial oxidation, steam reforming, or autothermal reforming (a combination of partial oxidation and steam reforming). The H{sub 2}-rich reformate can contain as much as 10% carbon monoxide. Carbon monoxide has been shown to poison the platinum-based anode catalyst at concentrations as low as 10 ppm,1 necessitating removal of CO to this level before passing the reformate to the fuel cell stack. The water-gas shift (WGS) reaction, CO + H{sub 2}O {rightleftharpoons} CO{sub 2} + H{sub 2}, is used to convert the bulk of the reformate CO to CO{sub 2}. Industrially, the WGS reaction is conducted over two catalysts, which operate in different temperature regimes. One catalyst is a FeCr mixed oxide, which operates at 350-450 C and is termed the high-temperature shift (HTS) catalyst. The second catalyst is a CuZn mixed oxide, which operates at 200-250 C and is termed the low-temperature shift (LTS) catalyst. Although these two catalysts are used industrially in the production of H{sub 2} for ammonia synthesis, they have major drawbacks that make them unsuitable for transportation applications. Both the LTS and the HTS catalysts must first be ''activated'' before being used. For example, the copper in the copper oxide/zinc oxide LTS catalyst must first be reduced to elemental copper in situ before it becomes active for the WGS reaction. This reduction reaction is exothermic and must be carried out under well- controlled conditions using a dilute hydrogen stream (1 vol% H{sub 2}) to prevent high catalyst temperatures, which can result in sintering (agglomeration) of the copper particles and loss of active surface area for the WGS reaction. Also, once the catalyst has been activated by reduction, it must be protected from exposure to ambient air to prevent re-oxidation of the copper. The activated catalyst must also be protected from the condensation of liquids, for example, during start-up or transient operation. For these reasons, a more thermally rugged catalyst is needed which has sufficient activity to operate at the low temperatures that are thermodynamically necessary to achieve low CO concentrations.

Myers, D. J.; Krebs, J. F.; Carter, J. D.; Kumar, R.; Krumpelt, M.

2002-01-11T23:59:59.000Z

40

A Laboratory Study of the Schmidt Number Dependency of Air-Water Gas  

E-Print Network [OSTI]

. Sc = /D denotes the Schmidt number, the ratio of kinematic viscosity of water and the tracersA Laboratory Study of the Schmidt Number Dependency of Air-Water Gas Transfer Kerstin Richter1 of exchange hap- pens with an exponent of 1/2 and links this fraction with a physical property of the wave

Jaehne, Bernd

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41

Argonne National Laboratory Chemical Engineering Division Water-gas shift catalysis  

E-Print Network [OSTI]

Argonne National Laboratory Chemical Engineering Division Water-gas shift catalysis Sara Yu Choung Engineering Division Argonne National Laboratory Hydrogen, Fuel Cells, and Infrastructure Technologies 2003 Merit Review Berkeley, CA May 19-22, 2003 #12;Argonne National Laboratory Chemical Engineering Division

42

Water-Gas Samples At Fenton Hill Hdr Geothermal Area (Goff & Janik, 2002) |  

Open Energy Info (EERE)

AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE: Alternative Fuels Data Center Home Page on Google Bookmark EERE: Alternative Fuels Data CenterFranconia, Virginia:FAQ < RAPID Jump to:Seadov PtyInformationSEDS dataIndiana:CoopWaspa JumpHeberInformation1982)Open

43

Water-Gas Samples At Long Valley Caldera Geothermal Area (Farrar, Et Al.,  

Open Energy Info (EERE)

AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE: Alternative Fuels Data Center Home Page on Google Bookmark EERE: Alternative Fuels Data CenterFranconia, Virginia:FAQ < RAPID Jump to:Seadov PtyInformationSEDS dataIndiana:CoopWaspa JumpHeberInformation1982)Open2003)

44

Water-Gas Samples At Long Valley Caldera Area (Goff & Janik, 2002) | Open  

Open Energy Info (EERE)

AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE: Alternative Fuels Data Center Home Page on Google Bookmark EERE: Alternative Fuels Data Center Home5b9fcbce19 NoPublic Utilities Address: 160 East 300 South Place: Salt LakeWashtenawInformation Henkle,

45

Water-Gas Samples At Valles Caldera - Redondo Geothermal Area (Janik &  

Open Energy Info (EERE)

AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE: Alternative Fuels Data Center Home Page on Google Bookmark EERE: Alternative Fuels Data Center Home5b9fcbce19 NoPublic Utilities Address: 160 East 300 South Place: Salt LakeWashtenawInformation Henkle,Goff, 2002) | Open

46

Water-Gas Sampling At Fenton Hill HDR Geothermal Area (Janik & Goff, 2002)  

Open Energy Info (EERE)

AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE: Alternative Fuels Data Center Home Page on Google Bookmark EERE: Alternative Fuels Data Center Home5b9fcbce19 NoPublic Utilities Address: 160 East 300 South Place: Salt LakeWashtenawInformation Henkle,Goff, 2002) | Open|

47

E-Print Network 3.0 - activity optimization method Sample Search...  

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Reconstitution of the UreaNaCl-Washed PSII Membranes... with Various MSPs oxygen evolving activity sample bound MSP (%) mol of O2 (mg of ... Source: Tian, Weidong -...

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51

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Search Sample search results for: activated shape memory Page: << < 1 2 3 4 5 > >> 1 Cognitive Brain Research 17 (2003) 7582 www.elsevier.comlocatecogbrainres Summary: Distinct...

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samples or across different time points... Models) to infer patient-specific genetic activities incorporating ... Source: Bejerano, Gill - Departments of Computer Science &...

57

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Search Sample search results for: active neutron scanner Page: << < 1 2 3 4 5 > >> 1 The Neutron Scattering Society www.neutronscattering.org Summary: techniques; and service and...

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E-Print Network 3.0 - active water management Sample Search Results  

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E-Print Network 3.0 - active oxygen species Sample Search Results  

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70

E-Print Network 3.0 - active oxygen control Sample Search Results  

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71

E-Print Network 3.0 - activation chemistry Sample Search Results  

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Farm to School Procurement and Social Media Internship Summary: ) for farm to school and school garden professionals Other activities as necessary Qualifications: We... SAMPLE...

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Topic List Advanced Search Sample search results for: activation loop phosphorylation Page: << < 1 2 3 4 5 > >> 1 Photosynthesis Research 68: 7179, 2001. 2001 Kluwer Academic...

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Topic List Advanced Search Sample search results for: acid dehydrogenase activity Page: << < 1 2 3 4 5 > >> 1 Fish Physiology and Biochemistry 28: 197198, 2003. 2004 Kluwer...

79

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Topic List Advanced Search Sample search results for: ap-1 transcriptional activity Page: << < 1 2 3 4 5 > >> 1 Plant Molecular Biology 40: 419429, 1999. 1999 Kluwer Academic...

80

E-Print Network 3.0 - activated ageing mechanisms Sample Search...  

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81

E-Print Network 3.0 - activating collaborative cancer Sample...  

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collaborative cancer Search Powered by Explorit Topic List Advanced Search Sample search results for: activating collaborative cancer Page: << < 1 2 3 4 5 > >> 1 Rutgers, The State...

82

E-Print Network 3.0 - active anti-cancer immunotherapy Sample...  

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cancer immunotherapy Search Powered by Explorit Topic List Advanced Search Sample search results for: active anti-cancer immunotherapy Page: << < 1 2 3 4 5 > >> 1 Bulletin of...

83

E-Print Network 3.0 - activity pueblo colorado Sample Search...  

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pueblo colorado Search Powered by Explorit Topic List Advanced Search Sample search results for: activity pueblo colorado Page: << < 1 2 3 4 5 > >> 1 ALERTS | CUSTOMER SERVICE |...

84

Water-gas Shift Reaction on oxide/Cu(111): Rational Catalyst Screening from Density Functional Theory  

SciTech Connect (OSTI)

Developing improved catalysts based on a fundamental understanding of reaction mechanism has become one of the grand challenges in catalysis. A theoretical understanding and screening the metal-oxide composite catalysts for the water-gas shift (WGS) reaction is presented here. Density functional theory was employed to identify the key step for the WGS reaction on the Au, Cu-oxide catalysts, where the calculated reaction energy for water dissociation correlates well with the experimental measured WGS activity. Accordingly, the calculated reaction energy for water dissociation was used as the scaling descriptor to screen the inverse model catalysts, oxide/Cu(111), for the better WGS activity. Our calculations predict that the WGS activity increases in a sequence: Cu(111), ZnO/Cu(111) < TiO{sub 2}/Cu(111), ZrO{sub 2}/Cu(111) < MoO{sub 3}/Cu(111). Our results imply that the high performances of Au, Cu-oxide nanocatalysts in the WGS reaction rely heavily on the direct participation of both oxide and metal sites. The degree that the oxide is reduced by Cu plays an important role in determining the WGS activity of oxide/Cu catalysts. The reducible oxide can be transformed from the fully oxidized form to the reduced form due to the interaction with Cu and, therefore, the transfer of electron density from Cu, which helps in releasing the bottleneck water dissociation and, therefore, facilitating the WGS reaction on copper.

Liu, P.

2010-11-28T23:59:59.000Z

85

E-Print Network 3.0 - activates mad1 target Sample Search Results  

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Sample search results for: activates mad1 target Page: << < 1 2 3 4 5 > >> 1 Molecular Biology of the Cell Vol. 10, 26072618, August 1999 Summary: is sufficient to activate the...

86

E-Print Network 3.0 - amazing gamma-ray activity Sample Search...  

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amazing gamma-ray activity Search Powered by Explorit Topic List Advanced Search Sample search results for: amazing gamma-ray activity Page: << < 1 2 3 4 5 > >> 1 GLAST SCIENCE...

87

NREL Develops Accelerated Sample Activation Process for Hydrogen Storage Materials (Fact Sheet)  

SciTech Connect (OSTI)

This fact sheet describes NREL's accomplishments in developing a new sample activation process that reduces the time to prepare samples for measurement of hydrogen storage from several days to five minutes and provides more uniform samples. Work was performed by NREL's Chemical and Materials Science Center.

Not Available

2010-12-01T23:59:59.000Z

88

Minimization of steam requirements and enhancement of water-gas shift reaction with warm gas temperature CO2 removal  

DOE Patents [OSTI]

The disclosure utilizes a hydroxide sorbent for humidification and CO.sub.2 removal from a gaseous stream comprised of CO and CO.sub.2 prior to entry into a water-gas-shift reactor, in order to decrease CO.sub.2 concentration and increase H.sub.2O concentration and shift the water-gas shift reaction toward the forward reaction products CO.sub.2 and H.sub.2. The hydroxide sorbent may be utilized for absorbtion of CO.sub.2 exiting the water-gas shift reactor, producing an enriched H.sub.2 stream. The disclosure further provides for regeneration of the hydroxide sorbent at temperature approximating water-gas shift conditions, and for utilizing H.sub.2O product liberated as a result of the CO.sub.2 absorption.

Siriwardane, Ranjani V; Fisher, II, James C

2013-12-31T23:59:59.000Z

89

E-Print Network 3.0 - activity activity coefficient Sample Search...  

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cook@eecs.wsu.edu ABSTRACT Activity discovery and recognition can provide... for each new physical space in order to carry out the conventional activity discovery algo- rithms...

90

The Integration of a Structural Water Gas Shift Catalyst with a Vanadium Alloy Hydrogen Transport Device  

SciTech Connect (OSTI)

This project is in response to a requirement for a system that combines water gas shift technology with separation technology for coal derived synthesis gas. The justification of such a system would be improved efficiency for the overall hydrogen production. By removing hydrogen from the synthesis gas stream, the water gas shift equilibrium would force more carbon monoxide to carbon dioxide and maximize the total hydrogen produced. Additional benefit would derive from the reduction in capital cost of plant by the removal of one step in the process by integrating water gas shift with the membrane separation device. The answer turns out to be that the integration of hydrogen separation and water gas shift catalysis is possible and desirable. There are no significant roadblocks to that combination of technologies. The problem becomes one of design and selection of materials to optimize, or at least maximize performance of the two integrated steps. A goal of the project was to investigate the effects of alloying elements on the performance of vanadium membranes with respect to hydrogen flux and fabricability. Vanadium was chosen as a compromise between performance and cost. It is clear that the vanadium alloys for this application can be produced, but the approach is not simple and the results inconsistent. For any future contracts, large single batches of alloy would be obtained and rolled with larger facilities to produce the most consistent thin foils possible. Brazing was identified as a very likely choice for sealing the membranes to structural components. As alloying was beneficial to hydrogen transport, it became important to identify where those alloying elements might be detrimental to brazing. Cataloging positive and negative alloying effects was a significant portion of the initial project work on vanadium alloying. A water gas shift catalyst with ceramic like structural characteristics was the second large goal of the project. Alumina was added as a component of conventional high temperature water gas shift iron oxide based catalysts. The catalysts contained Fe-Al-Cr-Cu-O and were synthesized by co-precipitation. A series of catalysts were prepared with 5 to 50 wt% Al2O3, with 8 wt% Cr2O3, 4 wt% CuO, and the balance Fe2O3. All of the catalysts were compared to a reference WGS catalyst (88 wt% FeOx, 8 wt% Cr2O3, and 4 wt% CuO) with no alumina. Alumina addition to conventional high temperature water gas shift catalysts at concentrations of approximately 15 wt% increased CO conversion rates and increase thermal stability. A series of high temperature water gas shift catalysts containing iron, chromia, and copper oxides were prepared with small amounts of added ceria in the system Fe-Cr-Cu-Ce-O. The catalysts were also tested kinetically under WGS conditions. 2-4 wt% ceria addition (at the expense of the iron oxide content) resulted in increased reaction rates (from 22-32% higher) compared to the reference catalyst. The project goal of a 10,000 liter per day WGS-membrane reactor was achieved by a device operating on coal derived syngas containing significant amounts of carbon monoxide and hydrogen sulfide. The membrane flux was equivalent to 52 scfh/ft2 based on a 600 psi syngas inlet pressure and corresponded to membranes costing $191 per square foot. Over 40 hours of iv exposure time to syngas has been achieved for a double membrane reactor. Two modules of the Chart reactor were tested under coal syngas for over 75 hours with a single module tested for 50 hours. The permeance values for the Chart membranes were similar to the REB reactor though total flux was reduced due to significantly thicker membranes. Overall testing of membrane reactors on coal derived syngas was over 115 hours for all reactors tested. Testing of the REB double membrane device exceeded 40 hours. Performance of the double membrane reactor has been similar to the results for the single reactor with good maintenance of flux even after these long exposures to hydrogen sulfide. Of special interest is that the flux is highest at the start of each e

Barton, Thomas; Argyle, Morris; Popa, Tiberiu

2009-06-30T23:59:59.000Z

91

E-Print Network 3.0 - activated bleaching earth Sample Search...  

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bleaching earth Search Powered by Explorit Topic List Advanced Search Sample search results for: activated bleaching earth Page: << < 1 2 3 4 5 > >> 1 Mass Coral Reef Bleaching: A...

92

E-Print Network 3.0 - activated factor viia Sample Search Results  

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Search Sample search results for: activated factor viia Page: << < 1 2 3 4 5 > >> 1 GENOMICS 36, 440448 (1996) ARTICLE NO. 0489 Summary: GENOMICS 36, 440-448 (1996) ARTICLE NO....

93

E-Print Network 3.0 - activates atp-sensitive potassium Sample...  

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atp-sensitive potassium Search Powered by Explorit Topic List Advanced Search Sample search results for: activates atp-sensitive potassium Page: << < 1 2 3 4 5 > >> 1 ATP-sensitive...

94

E-Print Network 3.0 - atp activates map Sample Search Results  

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map Search Powered by Explorit Topic List Advanced Search Sample search results for: atp activates map Page: << < 1 2 3 4 5 > >> 1 Nucleotide Specificity of the Enzymatic and...

95

E-Print Network 3.0 - atp hydrolysis activity Sample Search Results  

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Search Powered by Explorit Topic List Advanced Search Sample search results for: atp hydrolysis activity Page: << < 1 2 3 4 5 > >> 1 Biochemistry 1989, 28, 5871-5881 5871...

96

E-Print Network 3.0 - arthritis disease activity Sample Search...  

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Sample search results for: arthritis disease activity Page: << < 1 2 3 4 5 > >> 1 CURRICULUM VITAE DANIEL J. McCARTY, M.D. Summary: of Arthritis and Metabolic Diseases, Department...

97

E-Print Network 3.0 - activated white cell Sample Search Results  

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white cell Search Powered by Explorit Topic List Advanced Search Sample search results for: activated white cell Page: << < 1 2 3 4 5 > >> 1 Bistable expression of WOR1, a master...

98

E-Print Network 3.0 - activity heart rate Sample Search Results  

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heart rate Search Powered by Explorit Topic List Advanced Search Sample search results for: activity heart rate Page: << < 1 2 3 4 5 > >> 1 Automatic quantification of liver-heart...

99

E-Print Network 3.0 - active heat moisture Sample Search Results  

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Search Powered by Explorit Topic List Advanced Search Sample search results for: active heat moisture Page: << < 1 2 3 4 5 > >> 1 Chapter 1 Introduction Page 1-1 CCHHAAPPTTEERR...

100

E-Print Network 3.0 - active conflict zones Sample Search Results  

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zones Search Powered by Explorit Topic List Advanced Search Sample search results for: active conflict zones Page: << < 1 2 3 4 5 > >> 1 Proactive Approach for Reducing Non-Value...

Note: This page contains sample records for the topic "activity water-gas samples" from the National Library of EnergyBeta (NLEBeta).
While these samples are representative of the content of NLEBeta,
they are not comprehensive nor are they the most current set.
We encourage you to perform a real-time search of NLEBeta
to obtain the most current and comprehensive results.


101

E-Print Network 3.0 - air pollutants structure-activity Sample...  

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Sample search results for: air pollutants structure-activity Page: << < 1 2 3 4 5 > >> 1 Air Pollution Physics and Chemistry EAS 6790 Monday, Wednesday, Friday 2:05 to 2:55...

102

E-Print Network 3.0 - active coated nano-particle Sample Search...  

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coated nano-particle Search Powered by Explorit Topic List Advanced Search Sample search results for: active coated nano-particle Page: << < 1 2 3 4 5 > >> 1 6.SUMMARY AND OUTLOOK...

103

E-Print Network 3.0 - active ovarian cancer Sample Search Results  

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ovarian cancer Search Powered by Explorit Topic List Advanced Search Sample search results for: active ovarian cancer Page: << < 1 2 3 4 5 > >> 1 OVARIAN CANCER 17. OVARIAN CANCER...

104

E-Print Network 3.0 - active laser media Sample Search Results  

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Search Powered by Explorit Topic List Advanced Search Sample search results for: active laser media Page: << < 1 2 3 4 5 > >> 1 1.0 INTRODUCTION The term, laser, is an acronym for...

105

E-Print Network 3.0 - active catch tanks Sample Search Results  

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catch tanks Search Powered by Explorit Topic List Advanced Search Sample search results for: active catch tanks Page: << < 1 2 3 4 5 > >> 1 Tips For Residential Heating Oil Tank...

106

E-Print Network 3.0 - active biogas process Sample Search Results  

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biogas process Search Powered by Explorit Topic List Advanced Search Sample search results for: active biogas process Page: << < 1 2 3 4 5 > >> 1 Institute for Renewable Energy Ltd...

107

E-Print Network 3.0 - active luna tabasco Sample Search Results  

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luna tabasco Search Powered by Explorit Topic List Advanced Search Sample search results for: active luna tabasco Page: << < 1 2 3 4 5 > >> 1 A new and morphologically distinct...

108

Ten channel background alpha radiometer for nondestructive analysis of low activity samples  

SciTech Connect (OSTI)

The description of a ten-channel alpha-radiometer based on large-area semiconductor detectors is presented in this paper. The radiometer is intended for determination of soil pollution by alpha-active radionuclides using thick samples. The analysis of isotopes is also provided. The concentrations of Pu and Am isotopes in soil samples are determined.

Pugatch, V.M.; Pavlenko, Y.N.; Vasiliev, Y.O.; Nenakhov, A.N.; Tkatch, N.M.; Barabash, L.I.; Berdnichenko, S.V.; Litovchenko, P.G.; Rosenfeld, A.B.; Zinets, O.S. (Inst. for Nuclear Research, Kiev (USSR))

1992-10-01T23:59:59.000Z

109

Kinetic studies of the water gas shift reaction on a sulfided cobalt/molybdena/alumina catalyst  

SciTech Connect (OSTI)

In this study, the applicability of low temperature oxygen chemisorption (LTOC) to measure the specific surface area of several rare-earth oxides (La, Ce, Pr, Nd, Tb) and the kinetics of the water-gas shift reaction over a sulfided cobalt-molybdena-alumina (AMOCAT 1A) catalyst are investigated. The LTOC results indicate that oxygen is possibly adsorbed in the molecular form, O/sub 2//sup -/, as observed by others after heat treatment of these oxides in vacuum. Lanthana and ceria were found to have ratios of total surface area to LTOC similar to those of chromia and molybdena respectively, after a comparable pretreatment. Furthermore, ceria is deduced to exist as a monolayer on the alumina support at loadings below 12%. An additional hour of reduction after the 6 hours of reduction shows a significant increase in LTOC on lanthana, neodymia and terbia which may be due to phase changes exhibited by these polymorphic oxides. The kinetics of the water-gas shift reaction has been extensively studied on iron oxide (high temperature shift) and copper oxide (low temperature shift) based catalysts. This investigation establishes the kinetics over a sulfided cobalt-molybdena-alumina (AMOCAT 1A) catalyst in the medium temperature shift range, 250-300/sup 0/C. The catalyst was sulfided in-situ in a high pressure integrated Berty reactor system. Reaction rates were measured for different CO/H/sub 2/O feed ratios in the range 0.3-3.0, with and without CO/sub 2/ in the feed. The reaction was carried out at several pressures in the range 5-27 atm. and GHSV's in the range 4800-2400 hr/sup 1/.

Srivatsa, N.R.

1987-01-01T23:59:59.000Z

110

E-Print Network 3.0 - active endoribonuclease activity Sample...  

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a type I ER transmembrane receptor kinaseendoribonuclease... . IRE1 senses ER protein folding needs through its luminal domain. Prior to UPR activation, IRE1 is held......

111

E-Print Network 3.0 - anhydrase activators activation Sample...  

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Inc. All rights reserved. PII S1095-6433(97)00439-X Summary: .C.; Ruzicka, C.A.; Sly, W.S. Pul-carbonic anhydrase activity. J. Appl. Physiol. 55:75-83; 1983. monary... H: A...

112

Slurry phase Fischer-Tropsch synthesis: Cobalt plus a water-gas shift catalyst. [Quarterly] report, June 30, 1988--September 30, 1988  

SciTech Connect (OSTI)

This report details experiments performed on three different copper-based catalysts: Cu/Cr{sub 2}O{sub 3}, Cu/MnO/Cr{sub 2}O{sub 3} and Cu/ZnO/Al{sub 2}O{sub 3}. Of these three catalysts, the Cu/ZnO/Al{sub 2}O{sub 3} exhibits the greatest stability when slurried in octacosane. More than 1000 hours-on-stream indicate that the catalyst activity is not detrimentally affected by high pressure, high H{sub 2}/CO ratio, or the presence of alkenes. All of these are necessary stability characteristics for the water-gas shift catalyst, if it is to be used in combination with a cobalt Fischer-Tropsch catalyst. A review of documented reduction procedures for cobalt-based Fischer-Tropsch catalysts is presented.

Yates, I.C.; Satterfield, C.N.

1988-12-31T23:59:59.000Z

113

TA Orientation 2005 Activity 14 Evaluating Sample Laboratory Report from Laboratory Manual  

E-Print Network [OSTI]

. Please keep in mind the information from Activities 17 & #18a as you go through the following 2 student is expected in each section of the report). 2. Individually evaluate the sample laboratory report ­ mark down laboratory report. 5. Mark down any and all comments made during the presentation on the example student

Minnesota, University of

114

Probing the Reaction Intermediates for the Water-Gas Shift over Inverse CeOx/Au(111) Catalysts  

SciTech Connect (OSTI)

The water-gas shift (WGS) is an important reaction for the production of molecular H{sub 2} from CO and H{sub 2}O. An inverse CeO{sub x}/Au(1 1 1) catalyst exhibits a very good WGS activity, better than that of copper surfaces or Cu nanoparticles dispersed on a ZnO(0 0 0 {bar 1}) substrate which model current WGS industrial catalysts. In this work we report on intermediates likely to arise during the CO + H{sub 2}O reaction over CeO{sub x}/Au(1 1 1) using soft X-ray photoemission (sXPS) and near-edge X-ray absorption fine structure (NEXAFS). Several potential intermediates including formates (HCOO), carbonates (CO{sub 3}) and carboxylates (HOCO) are considered. Adsorption of HCOOH and CO{sub 2} is used to create both HCOO and CO{sub 3} on the CeO{sub x}/Au(1 1 1) surface, respectively. HCOO appears to have greater stability with desorption temperatures up to 600 K while CO{sub 3} only survives on the surface up to 300 K. On the CeO{sub x}/Au(1 1 1) catalysts, the presence of Ce{sup 3+} leads to the dissociation of H{sub 2}O to give OH groups. We demonstrate experimentally that the OH species are stable on the surface up to 600 K and interact with CO to yield weakly bound intermediates. When there is an abundance of Ce{sup 4+}, the OH concentration is diminished and the likely intermediates are carbonates. As the surface defects are increased and the Ce{sup 3+}/Ce{sup 4+} ratio grows, the OH concentration also grows and both carbonate and formate species are observed on the surface after dosing CO to H{sub 2}O/CeO{sub x}/Au(1 1 1). The addition of ceria nanoparticles to Au(1 1 1) is essential to generate an active WGS catalyst and to increase the production and stability of key reaction intermediates (OH, HCOO and CO{sub 3}).

Rodriguez, J.A.; Senanayake, S.D.; Stacchiola, D.; Evans, J.; Estrella, M.; Barrio-Pliego, L.; Pérez, M.; Hrbek, J.

2010-05-04T23:59:59.000Z

115

Probing the Reaction Intermediates for the Water–gas Shift over Inverse CeOx / Au(1 1 1) Catalysts  

SciTech Connect (OSTI)

The water-gas shift (WGS) is an important reaction for the production of molecular H{sub 2} from CO and H{sub 2}O. An inverse CeO{sub x}/Au(1 1 1) catalyst exhibits a very good WGS activity, better than that of copper surfaces or Cu nanoparticles dispersed on a ZnO(0 0 0 {bar 1}) substrate which model current WGS industrial catalysts. In this work we report on intermediates likely to arise during the CO + H{sub 2}O reaction over CeO{sub x}/Au(1 1 1) using soft X-ray photoemission (sXPS) and near-edge X-ray absorption fine structure (NEXAFS). Several potential intermediates including formates (HCOO), carbonates (CO{sub 3}) and carboxylates (HOCO) are considered. Adsorption of HCOOH and CO{sub 2} is used to create both HCOO and CO{sub 3} on the CeO{sub x}/Au(1 1 1) surface, respectively. HCOO appears to have greater stability with desorption temperatures up to 600 K while CO{sub 3} only survives on the surface up to 300 K. On the CeO{sub x}/Au(1 1 1) catalysts, the presence of Ce{sup 3+} leads to the dissociation of H{sub 2}O to give OH groups. We demonstrate experimentally that the OH species are stable on the surface up to 600 K and interact with CO to yield weakly bound intermediates. When there is an abundance of Ce{sup 4+}, the OH concentration is diminished and the likely intermediates are carbonates. As the surface defects are increased and the Ce{sup 3+}/Ce{sup 4+} ratio grows, the OH concentration also grows and both carbonate and formate species are observed on the surface after dosing CO to H{sub 2}O/CeO{sub x}/Au(1 1 1). The addition of ceria nanoparticles to Au(1 1 1) is essential to generate an active WGS catalyst and to increase the production and stability of key reaction intermediates (OH, HCOO and CO{sub 3}).

Senanayake, S.; Stacchiola, D; Evans, J; Estrella, M; Barrio, L; Perez, M; Hrbek, J; Rodriguez, J

2010-01-01T23:59:59.000Z

116

E-Print Network 3.0 - affect atp-activated p2x7 Sample Search...  

Broader source: All U.S. Department of Energy (DOE) Office Webpages (Extended Search)

atp-activated p2x7 Search Powered by Explorit Topic List Advanced Search Sample search results for: affect atp-activated p2x7 Page: << < 1 2 3 4 5 > >> 1 Cell Tissue Res (2005)...

117

Determination of isotopic thorium in biological samples by combined alpha spectrometry and neutron activation analysis.  

SciTech Connect (OSTI)

Thorium is a naturally occurring element for whom all isotopes are radioactive . Many of these isotopes are alpha emitting radionuclides, some of which have limits for inhalation lower than plutonium in current regulations . Neutron activation analysis can provide for the low-level determination of 232Th but can not determine other isotopes of dosimetric importance . Biological and environmental samples often have large quantities of materials which activate strongly, limiting the capabilities of instrumental neutron activiation analysis . This paper will discuss the application of a combined technique using alpha spectrometry and radiochemical neutron activiation analysis for the determination of isotopic thorium .

Glover, S. E. (Samuel E.)

2003-01-01T23:59:59.000Z

118

Pilot Scale Water Gas Shift - Membrane Device for Hydrogen from Coal  

SciTech Connect (OSTI)

The objectives of the project were to build pilot scale hydrogen separation systems for use in a gasification product stream. This device would demonstrate fabrication and manufacturing techniques for producing commercially ready facilities. The design was a 2 lb/day hydrogen device which included composite hydrogen separation membranes, a water gas shift monolith catalyst, and stainless steel structural components. Synkera Technologies was to prepare hydrogen separation membranes with metallic rims, and to adjust the alloy composition in their membranes to a palladium-gold composition which is sulfur resistant. Chart was to confirm their brazing technology for bonding the metallic rims of the composite membranes to their structural components and design and build the 2 lbs/day device incorporating membranes and catalysts. WRI prepared the catalysts and completed the testing of the membranes and devices on coal derived syngas. The reactor incorporated eighteen 2'' by 7'' composite palladium alloy membranes. These membranes were assembled with three stacks of three paired membranes. Initial vacuum testing and visual inspection indicated that some membranes were cracked, either in transportation or in testing. During replacement of the failed membranes, while pulling a vacuum on the back side of the membranes, folds were formed in the flexible composite membranes. In some instances these folds led to cracks, primarily at the interface between the alumina and the aluminum rim. The design of the 2 lb/day device was compromised by the lack of any membrane isolation. A leak in any membrane failed the entire device. A large number of tests were undertaken to bring the full 2 lb per day hydrogen capacity on line, but no single test lasted more than 48 hours. Subsequent tests to replace the mechanical seals with brazing have been promising, but the technology remains promising but not proven.

Barton, Tom

2013-06-30T23:59:59.000Z

119

Integrated Water Gas Shift Membrane Reactors Utilizing Novel, Non Precious Metal Mixed Matrix Membrane  

SciTech Connect (OSTI)

Nanoparticles of zeolitic imidazolate frameworks and other related hybrid materials were prepared by modifying published synthesis procedures by introducing bases, changing stoichiometric ratios, or adjusting reaction conditions. These materials were stable at temperatures >300 °C and were compatible with the polymer matrices used to prepare mixed- matrix membranes (MMMs). MMMs tested at 300 °C exhibited a >30 fold increase in permeability, compared to those measured at 35 °C, while maintaining H{sub 2}/CO{sub 2} selectivity. Measurements at high pressure (up to 30 atm) and high temperature (up to 300 °C) resulted in an increase in gas flux across the membrane with retention of selectivity. No variations in permeability were observed at high pressures at either 35 or 300 °C. CO{sub 2}-induced plasticization was not observed for Matrimid®, VTEC, and PBI polymers or their MMMs at 30 atm and 300 °C. Membrane surface modification by cross-linking with ethanol diamine resulted in an increase in H{sub 2}/CO{sub 2} selectivity at 35 °C. Spectrometric analysis showed that the cross-linking was effective to temperatures <150 °C. At higher temperatures, the cross-linked membranes exhibit a H{sub 2}/CO{sub 2} selectivity similar to the uncross-linked polymer. Performance of the polybenzimidazole (PBI) hollow fibers prepared at Santa Fe Science and Technology (SFST, Inc.) showed increased flux o to a flat PBI membrane. A water-gas shift reactor has been built and currently being optimized for testing under DOE conditions.

Ferraris, John

2013-09-30T23:59:59.000Z

120

Epithermal Neutron Activation Analysis of Some Geological Samples of Different Origin  

SciTech Connect (OSTI)

Instrumental Epithermal Neutron Activation Analysis was used to investigate the distribution of six major elements and 34 trace elements in a set of eight igneous and metamorphic rocks collected from Carpathian and Macin Mountainsas well as unconsolidated sediments collected from anoxic zone of the Black Sea. All experimental data were interpreted within the Upper Continental Core and Mid Ocean Ridge Basalt model system that allowed getting more information concerning samples origin as well as the environmental peculiarities.

Duliu, O. G. [University of Bucharest, Department of Atomic and Nuclear Physics, P.O. Box MG-11, 077125, Magurele (Ilfov) (Romania); Cristache, C. I. [National Institute of Research and Development for Physics and Nuclear Engineering Horia-Hulubei, P.O. Box MG-6, 077125, Magurele (Ilfov) (Romania); Oaie, G. [National Institute of Research and Development for Geology and Marine Geoecologylogy, 34 Dimitrie Onciul str., 024504 Bucharest (Romania); Ricman, C. [Geological Institute of Romania, 1 Caransebes Street, 012271 Bucharest (Romania); Culicov, O. A.; Frontasyeva, M. V. [Joint Institute for Nuclear Research, 6, Joliot-Curie str. 141980 Dubna (Russian Federation)

2010-01-21T23:59:59.000Z

Note: This page contains sample records for the topic "activity water-gas samples" from the National Library of EnergyBeta (NLEBeta).
While these samples are representative of the content of NLEBeta,
they are not comprehensive nor are they the most current set.
We encourage you to perform a real-time search of NLEBeta
to obtain the most current and comprehensive results.


121

X-Ray Spectral Parameters for a Sample of 95 Active Galactic Nuclei  

E-Print Network [OSTI]

We present a broadband X-ray analysis of a new homogeneous sample of 95 active galactic nuclei (AGN) from the 22-month Swift/BAT all-sky survey. For this sample we treated jointly the X-ray spectra observed by XMM-Newton and INTEGRAL missions for the total spectral range of 0.5-250 keV. Photon index \\Gamma, relative reflection R, equivalent width of Fe $K_{\\alpha}$ line (EW Fe $K_{\\alpha}$), hydrogen column density $N_{H}$, exponential cut-off energy $E_{c}$ and intrinsic luminosity $L_{corr}$ are determined for all objects of the sample. We investigated correlations \\Gamma - R, EW Fe $K_{\\alpha}$ - $L_{corr}$, \\Gamma - $E_{c}$, EW Fe $K_{\\alpha}$ - $N_{H}$. Dependence \\Gamma - R for Seyfert 1 and 2 type of galaxies has been investigated separately. We found that the relative reflection parameter at low power-law indexes for Seyfert 2 galaxies is systematically higher than for Seyfert 1 ones. This can be related to an increasing contribution of the reflected radiation from the gas-dust torus. Our data show th...

Vasylenko, A; Fedorova, E

2015-01-01T23:59:59.000Z

122

Parametric Gasification of Oak and Pine Feedstocks Using the TCPDU and Slipstream Water-Gas Shift Catalysis  

SciTech Connect (OSTI)

With oak and pine feedstocks, the Gasification of Biomass to Hydrogen project maximizes hydrogen production using the Full Stream Reformer during water-gas shift fixed-bed reactor testing. Results indicate that higher steam-to-biomass ratio and higher thermal cracker temperature yield higher hydrogen concentration. NREL's techno-economic models and analyses indicate hydrogen production from biomass may be viable at an estimated cost of $1.77/kg (current) and $1.47/kg (advanced in 2015). To verify these estimates, NREL used the Thermochemical Process Development Unit (TCPDU), an integrated system of unit operations that investigates biomass thermochemical conversion to gaseous and liquid fuels and chemicals.

Hrdlicka, J.; Feik, C.; Carpenter, D.; Pomeroy, M.

2008-12-01T23:59:59.000Z

123

MEASURING X-RAY VARIABILITY IN FAINT/SPARSELY SAMPLED ACTIVE GALACTIC NUCLEI  

SciTech Connect (OSTI)

We study the statistical properties of the normalized excess variance of variability process characterized by a ''red-noise'' power spectral density (PSD), as in the case of active galactic nuclei (AGNs). We perform Monte Carlo simulations of light curves, assuming both a continuous and a sparse sampling pattern and various signal-to-noise ratios (S/Ns). We show that the normalized excess variance is a biased estimate of the variance even in the case of continuously sampled light curves. The bias depends on the PSD slope and on the sampling pattern, but not on the S/N. We provide a simple formula to account for the bias, which yields unbiased estimates with an accuracy better than 15%. We show that the normalized excess variance estimates based on single light curves (especially for sparse sampling and S/N < 3) are highly uncertain (even if corrected for bias) and we propose instead the use of an ''ensemble estimate'', based on multiple light curves of the same object, or on the use of light curves of many objects. These estimates have symmetric distributions, known errors, and can also be corrected for biases. We use our results to estimate the ability to measure the intrinsic source variability in current data, and show that they could also be useful in the planning of the observing strategy of future surveys such as those provided by X-ray missions studying distant and/or faint AGN populations and, more in general, in the estimation of the variability amplitude of sources that will result from future surveys such as Pan-STARRS and LSST.

Allevato, V. [Department of Physics, University of Helsinki, Gustaf Haellstroemin katu 2a, FI-00014 Helsinki (Finland); Paolillo, M. [Department of Physical Sciences, University Federico II, via Cinthia 6, I-80126 Naples (Italy); Papadakis, I. [Department of Physics and Institute of Theoretical and Computational Physics, University of Crete, 71003 Heraklion (Greece); Pinto, C. [SRON Netherlands Institute for Space Research, Sorbonnelaan 2, 3584-CA Utrecht (Netherlands)

2013-07-01T23:59:59.000Z

124

E-Print Network 3.0 - atp-activated p2x7 receptor Sample Search...  

Broader source: All U.S. Department of Energy (DOE) Office Webpages (Extended Search)

Search Powered by Explorit Topic List Advanced Search Sample search results for: atp-activated p2x7 receptor Page: << < 1 2 3 4 5 > >> 1 Cell Tissue Res (2005) 321: 411418...

125

E-Print Network 3.0 - active conductance states Sample Search...  

Broader source: All U.S. Department of Energy (DOE) Office Webpages (Extended Search)

Collection: Mathematics 4 Neurocomputing 6566 (2005) 673678 Reconstructing synaptic background activity Summary: Population activity Down-state Intracellular activity...

126

E-Print Network 3.0 - activation delay time Sample Search Results  

Broader source: All U.S. Department of Energy (DOE) Office Webpages (Extended Search)

Activity Analysis and PreLayout Activity Prediction for FPGAs Summary: activity on a net changes when delays are zero (zero delay activity) versus when logic delays... are...

127

Methods for preparing comparative standards and field samples for neutron activation analysis of soil  

SciTech Connect (OSTI)

One of the more difficult problems associated with comparative neutron activation analysis (CNAA) is the preparation of standards which are tailor-made to the desired irradiation and counting conditions. Frequently, there simply is not a suitable standard available commercially, or the resulting gamma spectrum is convoluted with interferences. In a recent soil analysis project, the need arose for standards which contained about 35 elements. In response, a computer spreadsheet was developed to calculate the appropriate amount of each element so that the resulting gamma spectrum is relatively free of interferences. Incorporated in the program are options for calculating all of the irradiation and counting parameters including activity produced, necessary flux/bombardment time, counting time, and appropriate source-to-detector distance. The result is multi-element standards for CNAA which have optimal concentrations. The program retains ease of use without sacrificing capability. In addition to optimized standard production, a novel soil homogenization technique was developed which is a low cost, highly efficient alternative to commercially available homogenization systems. Comparative neutron activation analysis for large scale projects has been made easier through these advancements. This paper contains details of the design and function of the NAA spreadsheet and innovative sample handling techniques.

Glasgow, D.C.; Dyer, F.F.; Robinson, L.

1994-06-01T23:59:59.000Z

128

SPRING 2014 CHEMISTRY COLLOQUIA "Fundamental Studies on the Water-gas Shift Reaction on  

E-Print Network [OSTI]

/Oxide Catalysts: Active Sites and Reaction Mechanism" The high-performance of gold-ceria, copper-ceria and gold

Tsymbal, Evgeny Y.

129

Characterization of CeO2-Supported Cu-Pd Bimetallic Catalyst for the Oxygen-Assisted Water-Gas Shift Reaction  

SciTech Connect (OSTI)

This study was focused to investigate the roles of Cu and Pd in CuPd/CeO2 bimetallic catalysts containing 20-30 wt% Cu and 0.5-1 wt% Pd used in the oxygen-assisted water-gas shift (OWGS) reaction employing a combined bulk and surface characterization techniques such as XRD, TPR, CO chemisorption, and in-situ XPS. The catalytic activity for CO conversion and the stability of catalyst during on-stream operation increased by the addition of Cu to Pd/CeO2 or Pd to Cu/CeO2 monometallic catalysts, especially when the OWGS reaction was performed under low temperatures, below 200oC. The bimetallic catalyst after leaching with nitric acid retained about 60% of its original activity. The TPR of monometallic Cu/CeO2 showed reduction of CuO supported on CeO2 in two distinct regions, around 150 and 250oC. The high temperature peak disappeared and reduction occurred in a single step around 150oC upon Pd addition. The Pd dispersion decreased from 38.5% for Pd/CeO2 to below 1% for CuPd/CeO2 bimetallic catalyst. In-situ XPS studies showed a shift in Cu 2p peaks toward lower binding energy (BE) with concommitant shift in the Pd 3d peaks toward higher BE. Addition of Pd decreased the surface Cu concentration while the concentration of Pd remained unaltered. All these observations indicated the formation of Cu-Pd surface alloy. The valence band XP spectra collected below 10 eV corroborated the core level XP spectra and indicated that Cu is mainly involved in the catalytic reaction. The improved catalytic activity and stability of CuPd/CeO2 bimetallic catalyst was attributed to the alloy formation.

Fox, Elise; Velu, Subramani; Engelhard, Mark H.; Chin, Ya-Huei; Miller, Jeffrey T.; Kropf, Jeremy; Song, Chunshan

2008-12-10T23:59:59.000Z

130

E-Print Network 3.0 - activation analysis--an analytical Sample...  

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(SOP), water sampling plans, Summary: procedures, and NOAA's Analytical Quality Assurance Project Plan (QAPP). Samples were sent to certified... accredited analytical...

131

E-Print Network 3.0 - animal-centered learning activities Sample...  

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learning activities Page: << < 1 2 3 4 5 > >> 1 Active Learning 10-701, Machine Learning, Spring 2011 Summary: Active Learning Yi Zhang 10-701, Machine Learning,...

132

E-Print Network 3.0 - active network analysis Sample Search Results  

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activity of coupled networks. The neurons... and activity propagation in coupled neural networks from rat cortical cells grown on a micro-electrode array... for parallel activity...

133

E-Print Network 3.0 - activity restrictions influence Sample...  

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: 1. SUMMARY OF LEGAL REQUIREMENTS AND RESTRICTIONS 2. PROHIBITED AND RESTRICTED POLITICAL ACTIVITIES... REQUIREMENTS AND RESTRICTIONS a. Campaign Activities -- Contributions...

134

E-Print Network 3.0 - activated carbon fabrics Sample Search...  

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Collection: Materials Science 44 Fabrication of activated carbon fiberscarbon aerogels composites by gelation and supercritical drying Summary: Fabrication of activated...

135

E-Print Network 3.0 - active trail protein Sample Search Results  

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already declines the proteolytic activity tremendously and improves protein production... active. Hence, the solubility and accumulation level of ... Source: Groningen,...

136

E-Print Network 3.0 - active methane weather Sample Search Results  

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Chemistry 48 Universitt Stuttgart Auslandsorientierter Studiengang Summary: Potential of Coalbed Methane Recovery during Active Coalmin- ing... Methane Recovery from Active...

137

E-Print Network 3.0 - activity control technique Sample Search...  

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11 JOURNAL OF CONSTRUCTION ENGINEERING AND MANAGEMENT JULYAUGUST 1998 269 SCHEDULING PROJECTS WITH REPEATING ACTIVITIES Summary: represent a repetitive activity....

138

ACTIVE LEARNING TO OVERCOME SAMPLE SELECTION BIAS: APPLICATION TO PHOTOMETRIC VARIABLE STAR CLASSIFICATION  

SciTech Connect (OSTI)

Despite the great promise of machine-learning algorithms to classify and predict astrophysical parameters for the vast numbers of astrophysical sources and transients observed in large-scale surveys, the peculiarities of the training data often manifest as strongly biased predictions on the data of interest. Typically, training sets are derived from historical surveys of brighter, more nearby objects than those from more extensive, deeper surveys (testing data). This sample selection bias can cause catastrophic errors in predictions on the testing data because (1) standard assumptions for machine-learned model selection procedures break down and (2) dense regions of testing space might be completely devoid of training data. We explore possible remedies to sample selection bias, including importance weighting, co-training, and active learning (AL). We argue that AL-where the data whose inclusion in the training set would most improve predictions on the testing set are queried for manual follow-up-is an effective approach and is appropriate for many astronomical applications. For a variable star classification problem on a well-studied set of stars from Hipparcos and Optical Gravitational Lensing Experiment, AL is the optimal method in terms of error rate on the testing data, beating the off-the-shelf classifier by 3.4% and the other proposed methods by at least 3.0%. To aid with manual labeling of variable stars, we developed a Web interface which allows for easy light curve visualization and querying of external databases. Finally, we apply AL to classify variable stars in the All Sky Automated Survey, finding dramatic improvement in our agreement with the ASAS Catalog of Variable Stars, from 65.5% to 79.5%, and a significant increase in the classifier's average confidence for the testing set, from 14.6% to 42.9%, after a few AL iterations.

Richards, Joseph W.; Starr, Dan L.; Miller, Adam A.; Bloom, Joshua S.; Butler, Nathaniel R.; Berian James, J. [Astronomy Department, University of California, Berkeley, CA 94720-7450 (United States); Brink, Henrik [Dark Cosmology Centre, Juliane Maries Vej 30, 2100 Copenhagen O (Denmark); Long, James P.; Rice, John, E-mail: jwrichar@stat.berkeley.edu [Statistics Department, University of California, Berkeley, CA 94720-7450 (United States)

2012-01-10T23:59:59.000Z

139

Carbon capture by sorption-enhanced water-gas shift reaction process using hydrotalcite-based material  

SciTech Connect (OSTI)

A novel route for precombustion decarbonization is the sorption-enhanced water-gas shift (SEWGS) process. In this process carbon dioxide is removed from a synthesis gas at elevated temperature by adsorption. Simultaneously, carbon monoxide is converted to carbon dioxide by the water-gas shift reaction. The periodic adsorption and desorption of carbon dioxide is induced by a pressure swing cycle, and the cyclic capacity can be amplified by purging with steam. From previous studies is it known that for SEWGS applications, hydrotalcite-based materials are particularly attractive as sorbent, and commercial high-temperature shift catalysts can be used for the conversion of carbon monoxide. Tablets of a potassium promoted hydrotalcite-based material are characterized in both breakthrough and cyclic experiments in a 2 m tall fixed-bed reactor. When exposed to a mixture of carbon dioxide, steam, and nitrogen at 400{sup o}C, the material shows a breakthrough capacity of 1.4 mmol/g. In subsequent experiments the material was mixed with tablets of promoted iron-chromium shift catalyst and exposed to a mixture of carbon dioxide, carbon monoxide, steam, hydrogen, and nitrogen. It is demonstrated that carbon monoxide conversion can be enhanced to 100% in the presence of a carbon dioxide sorbent. At breakthrough, carbon monoxide and carbon dioxide simultaneously appear at the end of the bed. During more than 300 cycles of adsorption/reaction and desorption, the capture rate, and carbon monoxide conversion are confirmed to be stable. Two different cycle types are investigated: one cycle with a CO{sub 2} rinse step and one cycle with a steam rinse step. The performance of both SEWGS cycles are discussed.

van Selow, E.R.; Cobden, P.D.; Verbraeken, P.A.; Hufton, J.R.; van den Brink, R.W. [Energy research Center of the Netherlands, Petten (Netherlands)

2009-05-15T23:59:59.000Z

140

E-Print Network 3.0 - active learning approach Sample Search...  

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for: active learning approach Page: << < 1 2 3 4 5 > >> 1 Active Learning 10-701, Machine Learning, Spring 2011 Summary: Active Learning Yi Zhang 10-701, Machine Learning,...

Note: This page contains sample records for the topic "activity water-gas samples" from the National Library of EnergyBeta (NLEBeta).
While these samples are representative of the content of NLEBeta,
they are not comprehensive nor are they the most current set.
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to obtain the most current and comprehensive results.


141

E-Print Network 3.0 - active tridentate schiff Sample Search...  

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Interoperability, the Pros and Cons Beth Plale1 Summary: approach, Trident has more activities to manage and track, whereas for the remote... activities A, B, E, and F. Activity B...

142

E-Print Network 3.0 - active 8b solar Sample Search Results  

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0 Summary: 12;Big Bear Solar Observatory 32 The Sun in XThe Sun in X--Ray LightRay Light Solar Activity MinimumSolar... Activity Minimum ----19961996 Solar Activity...

143

E-Print Network 3.0 - activity levels observed Sample Search...  

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activity levels of asteroids and comets in the outer solar... activity beyond the water sublimation zone. As a whole, the level of activity is not due to unusually large......

144

E-Print Network 3.0 - active containment systems Sample Search...  

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and con- sists of three main elements: Activity System, Resources, and Infrastructure Services... System uses the HTTP bundle to make the activity manage- ment features...

145

E-Print Network 3.0 - activation decreases kainate-induced Sample...  

Broader source: All U.S. Department of Energy (DOE) Office Webpages (Extended Search)

et al., 2002, 2004; Ruiz et al., 2005). Activation of presynaptic kainate... ., 2006; Rodriguez-Moreno and Lerma, 1998). Kainate receptor activation contributes to...

146

E-Print Network 3.0 - activity cycles Sample Search Results  

Broader source: All U.S. Department of Energy (DOE) Office Webpages (Extended Search)

Sciences and Ecology 3 UNCORRECTEDPROOF 2 A method to evaluate the level of solar activity at Summary: the level of solar activity at the remainder of a progressing...

147

E-Print Network 3.0 - activity measurements controle Sample Search...  

Broader source: All U.S. Department of Energy (DOE) Office Webpages (Extended Search)

first building to use an active-control system for limiting structural deflections during wind... control system types are termed active because one or two large actuators apply...

148

E-Print Network 3.0 - activity-dependent spine loss Sample Search...  

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| APRIL 2005 | 277 Summary: to activity- dependent filopodia growth and spine formation. J. Neurosci. 23, 10645-10649 (2003). 10. Goldin... with a constitutively active Rho...

149

E-Print Network 3.0 - active vibration suppression Sample Search...  

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search results for: active vibration suppression Page: << < 1 2 3 4 5 > >> 1 Control Engineering Practice 12 (2004) 987988 Emerging technologies for active noise and vibration...

150

E-Print Network 3.0 - active carbon process Sample Search Results  

Broader source: All U.S. Department of Energy (DOE) Office Webpages (Extended Search)

What Point in This Process Will Payments for Offset Activities Occur? 55... as qualifying carbon offset activities in existing markets and regis- tries. Forest carbon projects......

151

E-Print Network 3.0 - activated carbon process Sample Search...  

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What Point in This Process Will Payments for Offset Activities Occur? 55... as qualifying carbon offset activities in existing markets and regis- tries. Forest carbon projects......

152

E-Print Network 3.0 - activity waste haw Sample Search Results  

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media. These programs include regulatory and monitoring activities for ORNL site... of Air Pollution Control. Radio- active emissions are regulated by EPA under National ......

153

E-Print Network 3.0 - activation heat Sample Search Results  

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to collect and distribute solar heat. These buildings have active solar heating systems. Active... in an ordinary fur- nace system. ... Source: North Carolina State...

154

E-Print Network 3.0 - active chromatin marks Sample Search Results  

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structure Summary: structure II. HATs are co-activatorsHDACscorepressors III. ATP-driven chromatin remodeling complexes IV... is the silent state? What is the active...

155

E-Print Network 3.0 - antibacterial antifungal activity Sample...  

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the discovery... antibacterial activity in their anal exudates than males, suggesting sex-specific roles in this aspect... of antibacterial activity in their anal exudates. ......

156

E-Print Network 3.0 - assess biological activity Sample Search...  

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Page: << < 1 2 3 4 5 > >> 1 Program Assessment Activities Report, 2011 Department of Biology Summary: Program Assessment Activities Report, 2011 Department of Biology San...

157

E-Print Network 3.0 - activity interactive recall Sample Search...  

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for: activity interactive recall Page: << < 1 2 3 4 5 > >> 1 Introduction Many cognitive functions, and memory in particular,1 Summary: ) was more active during encoding...

158

E-Print Network 3.0 - activity knee motion Sample Search Results  

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-second hold in the extended position. Isometric reflex torques from the knee and ankle joint and EMG activity... and smoothed EMG activity was calculated during the hold...

159

E-Print Network 3.0 - activities proposed collection Sample Search...  

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Activities (Co-operative Research and Collective Research) are specific schemes for SMEs which address... .3.2.4 Type of activities and allowed budget Collective Research...

160

E-Print Network 3.0 - activity measurement systems Sample Search...  

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Sciences 2 May 22, 2008 Symmetric ActiveActive High Availability for High-Performance Computing System Services: Accomplishments and Limitations Summary: May 22, 2008...

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161

E-Print Network 3.0 - activated carbon composites Sample Search...  

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Geosciences ; Biology and Medicine 49 Fabrication of activated carbon fiberscarbon aerogels composites by gelation and supercritical drying Summary: Fabrication of activated...

162

E-Print Network 3.0 - activated carbon surface Sample Search...  

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Oxide-Carbon Supercapacitors Summary: on synthesizing various activated carbons, aerogels, activated carbon fibers, and cloths with large surface areas... . In our case, the...

163

E-Print Network 3.0 - activated carbon cloth Sample Search Results  

Broader source: All U.S. Department of Energy (DOE) Office Webpages (Extended Search)

Oxide-Carbon Supercapacitors Summary: on synthesizing various activated carbons, aerogels, activated carbon fibers, and cloths with large surface areas... are also the same.10...

164

E-Print Network 3.0 - activated microglia immunoreactive Sample...  

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but its heat treatment abolished the activity. Although IL... PGRP78 may activate EOR in the ... Source: Durstewitz, Daniel - Research Group Computational Neuroscience,...

165

E-Print Network 3.0 - active region magnetic Sample Search Results  

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AND DYNAMICS OF INTERCONNECTING LOOPS AND CORONAL HOLES IN ACTIVE LONGITUDES Summary: Sun. All hot active region loops are visible in this wavelength. Eruptions of new' and...

166

E-Print Network 3.0 - active human sialyltransferase Sample Search...  

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effect on the angiogenic activity of human umbilical vein... -2,6- sialyltransferase activities By semiquantitative ... Source: Gleeson, Joseph G. - Department of Neurosciences,...

167

E-Print Network 3.0 - active fault zone Sample Search Results  

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Earth Structure (2nd Edition), 2004 Summary: 292010 Oceanic Transform Faults and Fracture Zones Transform Fault: Active displacement. Fracture Zone: Fossil... fault, no active...

168

E-Print Network 3.0 - alters mitochondrial activity Sample Search...  

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is required for fission activity41 . The recruitment of Dnm1 to yeast mitochondrial fis- sion... of dynamics Mitochondrial fusion and fission activities are probably...

169

E-Print Network 3.0 - activity protects mitochondrial Sample...  

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is required for fission activity41 . The recruitment of Dnm1 to yeast mitochondrial fis- sion... of dynamics Mitochondrial fusion and fission activities are probably...

170

E-Print Network 3.0 - antioxidant enzymatic activities Sample...  

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activities that control degenerative oxidative... purple corn and red-fleshed sweet potato have even higher antioxidant capacity and antiradical activity... of their antioxidant...

171

E-Print Network 3.0 - actively cooled plasma Sample Search Results  

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aspects of nonlinear phenomena. The institute also has a mandate to stimulate plasma research activities... of the activated carbon into hydrophilic nature using ... Source:...

172

E-Print Network 3.0 - active galaxy ngc Sample Search Results  

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regions and global infrared emission in the disks of these galaxies... of the phenomenology of infrared activity in galaxies. It is not clear how such activity is triggered...

173

E-Print Network 3.0 - activated sludge deflocculation Sample...  

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Effects on Waste Activated Sludge Digestion Thomas... activated sludge (WAS) from wastewater treatment plants (WWTP) demands extensive sludge dewatering... structure and are...

174

E-Print Network 3.0 - activated-sludge microbial community Sample...  

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(biofilm, 95 h; activated sludge... ). Rich sources of microorganisms, such as wastewater, activated ... Source: Logan, Bruce E.- Department of Civil and Environmental...

175

E-Print Network 3.0 - activated sludge flocs Sample Search Results  

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Effects on Waste Activated Sludge Digestion Thomas... activated sludge (WAS) from wastewater treatment plants (WWTP) demands extensive sludge dewatering... structure and are...

176

E-Print Network 3.0 - aerobic activated sludge Sample Search...  

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Effects on Waste Activated Sludge Digestion Thomas... activated sludge (WAS) from wastewater treatment plants (WWTP) demands extensive sludge dewatering... structure and are...

177

E-Print Network 3.0 - active gate driver Sample Search Results  

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shadow driver works... Device Drivers Active mode: When drivers fail shadow driver works in active mode. Communication... notification ... Source: Pulfrey, David L. -...

178

E-Print Network 3.0 - active left-sided inflammatory Sample Search...  

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Medicine 77 Browne, CB, Research Proposal, March 2009 Activation of the Inflammasome in Gout Summary: Browne, CB, Research Proposal, March 2009 1 Activation of the Inflammasome in...

179

E-Print Network 3.0 - active solar systems Sample Search Results  

Broader source: All U.S. Department of Energy (DOE) Office Webpages (Extended Search)

. ACTIVE SOLAR SYSTEMS Solar collectors are designed to take advan- tage of the greenhouse effect. The flat... " solar system (Figure 2). It is called active because it requires...

180

E-Print Network 3.0 - active solar thermal Sample Search Results  

Broader source: All U.S. Department of Energy (DOE) Office Webpages (Extended Search)

. ACTIVE SOLAR SYSTEMS Solar collectors are designed to take advan- tage of the greenhouse effect. The flat... " solar system (Figure 2). It is called active because it requires...

Note: This page contains sample records for the topic "activity water-gas samples" from the National Library of EnergyBeta (NLEBeta).
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181

E-Print Network 3.0 - armoured actively cooled Sample Search...  

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on the actively cooled plasma facing components (PFCs) of the International Thermonuclear Experimental Reactor... of the actively cooled component itself. These have...

182

E-Print Network 3.0 - activities field test Sample Search Results  

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at North Temperate Lakes-LTER Activities serve approximately 350... elementary, middle, and high school students annually Professional development activities reach 60...

183

E-Print Network 3.0 - active filter utilizing Sample Search Results  

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TRANSACTIONS ON POWER ELECTRONICS, VOL. 17, NO. 1, JANUARY 2002 A New Hybrid Active Power Filter (APF) Topology Summary: active power filter topology. The function of the IGBT...

184

E-Print Network 3.0 - active volcanic features Sample Search...  

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of the active volcanic centers are complexes... active and closely spaced Central American ... Source: Carr, Michael J.- Department of Earth and Planetary Sciences, Rutgers...

185

E-Print Network 3.0 - activity mediates attention Sample Search...  

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to motion or vice-versa. By contrasting the activity during attention to motion and color, we were able... M identified areas that exhibited more tonic activity for ......

186

E-Print Network 3.0 - active duty army Sample Search Results  

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Reserve 6 11 12 29 Coast Guard Active Active Duty 3 3 1 7 Coast Guard ... Source: New Hampshire, University of - Department of Electrical and Computer Engineering, Consolidated...

187

E-Print Network 3.0 - active-duty military women Sample Search...  

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21... 54 42 117 Army Reserve Reserve 6 11 12 29 Coast Guard Active Active ... Source: New Hampshire, University of - Department of Electrical and Computer Engineering,...

188

E-Print Network 3.0 - active absorber scheme Sample Search Results  

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with Neuroendocrine Tumors Summary: , this contribution could not be included under the MIRD scheme. Instead, the tumor activity was assumed... most of the 64Cu activity was...

189

E-Print Network 3.0 - automotive active suspension Sample Search...  

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of suspensions, active roll-control, active steering, rolling resistance of truck tyres, weigh... vehicle dynamics and suspension design, including the problems of vehicle...

190

E-Print Network 3.0 - activated spent hds Sample Search Results  

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S. Suslick* Summary: active, affordable catalyst able to withstand the harsh hydrotreating conditions of HDS. To improve... , however, do not provide quantitative activity...

191

E-Print Network 3.0 - active single basin Sample Search Results  

Broader source: All U.S. Department of Energy (DOE) Office Webpages (Extended Search)

basins... ) existed during the Late Oligocene and Miocene when the rift basins of Thailand were active because active... into three main areas and tec- tonic provinces: 1)...

192

E-Print Network 3.0 - absorbed photosynthetically active Sample...  

Broader source: All U.S. Department of Energy (DOE) Office Webpages (Extended Search)

gas balance. This is a critical and active area of research for both photosynthetic and PV systems... referred to as photosynthetically active radiation (PAR). This spectral range...

193

E-Print Network 3.0 - applying active lubrication Sample Search...  

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sides, " Active Control of Wetting Using Applied Electrical Potentials and Self... the hydro- phobicity of the binding sites between micro-parts and substrates. Active assembly...

194

E-Print Network 3.0 - active lubrication applied Sample Search...  

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sides, " Active Control of Wetting Using Applied Electrical Potentials and Self... the hydro- phobicity of the binding sites between micro-parts and substrates. Active assembly...

195

E-Print Network 3.0 - active filter control Sample Search Results  

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research works have been concentrated on the active noise and vibration control with smart material systems... in the cabin. There have been many research works on the active...

196

B.Jhne and E. Monahan (eds.), Air-Water GasTransfer, 1995 by AEON Verlag I Physical and Chemical Mechanisms  

E-Print Network [OSTI]

W. K. Melville E. Terrill L. Ding Field Measurements of Air Entrainment by Breaking Waves D. FarmerB.Jähne and E. Monahan (eds.), Air-Water GasTransfer, © 1995 by AEON Verlag I Physical and Chemical Mechanisms B. Jähne Impact of Quantitative Visualization and Image Processing on the Study of Small-Scale Air

Jaehne, Bernd

197

E-Print Network 3.0 - anti microbial activity Sample Search Results  

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Visual Sample Plan Collection: Environmental Management and Restoration Technologies 3 Cotton gauze bearing non-diffusible quaternary ammonium salts and featuring anti-microbial...

198

E-Print Network 3.0 - active binuclear palladium Sample Search...  

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in CH2Cl2 is an active species in the copolymerization... of ethylene and carbon monoxide, while usually palladium dimers are either inactive or much less active. P P......

199

E-Print Network 3.0 - active magnetic regenerator Sample Search...  

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1D model of an active magnetic regenerative refrigerator (AMRR) that was developed in MATLAB. The model uses cycle inputs such as the fluid mass flow and Summary: of an Active...

200

E-Print Network 3.0 - active magnetic regeneration Sample Search...  

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1D model of an active magnetic regenerative refrigerator (AMRR) that was developed in MATLAB. The model uses cycle inputs such as the fluid mass flow and Summary: of an Active...

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201

E-Print Network 3.0 - active stall wind Sample Search Results  

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wind Page: << < 1 2 3 4 5 > >> 1 Power control of a wind farm with active stall wind turbines and AC grid connection Summary: Power control of a wind farm with active stall...

202

E-Print Network 3.0 - activity promotes natural Sample Search...  

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and RPS5 Summary: to TAFdep promoters is activator dependent but appears to be relatively independent of other GTFs... targets of some activators is consistent with a variety of...

203

E-Print Network 3.0 - active duty military Sample Search Results  

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military leave to employees who are called to active duty in accordance with the terms described below... of the two for the remainder of the active duty period. (See...

204

E-Print Network 3.0 - activate neuronal potassium Sample Search...  

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neurons prepared from the same SCN. The activity of 10 cells was recorded in each... -firing-frequency observed in our experiments may have resulted from averaging the activity...

205

E-Print Network 3.0 - activity composition relationships Sample...  

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Engineering 22 File: SSW CV-11 6-15-11, v1 Summary: polymer-, metal-, and ceramic-matrix composites. ACTIVITIES: (2). High-temperature mechanics... -) ACTIVITIES: 1. L....

206

E-Print Network 3.0 - active case finding Sample Search Results  

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physical space. First we use a location based data mining method to find target activities... . In order to be able to map activities from the source space to a target space,...

207

E-Print Network 3.0 - activation cycle coordinated Sample Search...  

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plant and are responsible... mechanism by which CDK activity is regu- lated during the cell cycle is by the periodic synthesis... -type cyclin CycD3 and inhibits CDK activity...

208

E-Print Network 3.0 - awardee names active Sample Search Results  

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for: awardee names active Page: << < 1 2 3 4 5 > >> 1 National Survey to Evaluate the NIH SBIR Program Summary: -27 Activities Affected by the Granting of One or More SBIR...

209

E-Print Network 3.0 - a-induced aromatase activation Sample Search...  

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aromatase activation Page: << < 1 2 3 4 5 > >> 1 ORIGINAL ARTICLE Aromatase mRNA in the Brain of Adult Green Anole Lizards: Effects of Summary: activity and mRNA expression in...

210

E-Print Network 3.0 - active matrix pixel Sample Search Results  

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> >> 1 4.2: Design of an Improved Pixel for a Polysilicon Active Matrix Organic Light Emitting Diode Display Summary: 4.2: Design of an Improved Pixel for a Polysilicon Active...

211

E-Print Network 3.0 - active matrix flat Sample Search Results  

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9 4.2: Design of an Improved Pixel for a Polysilicon Active Matrix Organic Light Emitting Diode Display Summary: 4.2: Design of an Improved Pixel for a Polysilicon Active...

212

E-Print Network 3.0 - active matrix organic Sample Search Results  

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14 4.2: Design of an Improved Pixel for a Polysilicon Active Matrix Organic Light Emitting Diode Display Summary: 4.2: Design of an Improved Pixel for a Polysilicon Active...

213

E-Print Network 3.0 - active matrix flat-panel Sample Search...  

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2 4.2: Design of an Improved Pixel for a Polysilicon Active Matrix Organic Light Emitting Diode Display Summary: 4.2: Design of an Improved Pixel for a Polysilicon Active...

214

E-Print Network 3.0 - activated natural killer Sample Search...  

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sea ice in Hudson Strait. Killer whale activity during the open water... such as the ecosystem effects of killer whale activity in Hudson Bay. The spatial and temporal occurrence...

215

E-Print Network 3.0 - activate natural killer Sample Search Results  

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sea ice in Hudson Strait. Killer whale activity during the open water... such as the ecosystem effects of killer whale activity in Hudson Bay. The spatial and temporal occurrence...

216

E-Print Network 3.0 - activating natural killer Sample Search...  

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sea ice in Hudson Strait. Killer whale activity during the open water... such as the ecosystem effects of killer whale activity in Hudson Bay. The spatial and temporal occurrence...

217

E-Print Network 3.0 - active mode locking Sample Search Results  

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Engineering 10 40 GHz actively mode-locked erbium-doped fiber ring laser using an electro-absorption modulator and a linear optical amplifier Summary: 40 GHz actively mode-locked...

218

E-Print Network 3.0 - active fabry-perot semiconductor Sample...  

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Physics 45 The Laser DiodeThe Laser Diode Jason HillJason Hill Summary: to a Light Emitting Diode Active medium is a semiconductor pActive medium is a semiconductor p--n...

219

E-Print Network 3.0 - activating delayed rectifier Sample Search...  

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Summary: itself. The concept of active damping for the current-source rectifier is not new. However, most research... of 3.65-6.09 pu. Active damping uses the rectifier to...

220

E-Print Network 3.0 - active-power-filter topology based Sample...  

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and Plants 10 48 IEEE TRANSACTIONS ON POWER ELECTRONICS, VOL. 17, NO. 1, JANUARY 2002 A New Hybrid Active Power Filter (APF) Topology Summary: --In this paper, a new hybrid active...

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While these samples are representative of the content of NLEBeta,
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221

E-Print Network 3.0 - activity-dependent synapse remodeling Sample...  

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in Developing Hippocampal John C. Fiala,1 Marcia Feinberg,1 Viktor Popov2, Kristen M. Harris1 Summary: branches and spines via both activity-dependent and non-activity-dependent...

222

E-Print Network 3.0 - activity reduction effect Sample Search...  

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the effect of Cu codoping on the structure and WGS activity of other transition metal doped... h. It is important to avoid over- reduction of the magnetite active phase to...

223

E-Print Network 3.0 - activates survival signals Sample Search...  

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for a design method that (1) incorporates survivability as an active trade in the design process, (2) captures... activities, and are not to be confused with the eight phases...

224

E-Print Network 3.0 - active military sonar Sample Search Results  

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powerful scooter motor will be activated to spin a wheel that will propel the tennis ball out... of the launcher tube. The circuit shown to activate this motor from the Epiphany...

225

E-Print Network 3.0 - active homogeneous catalyst Sample Search...  

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activity Develop lower temperature reforming catalysts Evaluate different feedstocks (pyrolysis vapors... Fluidizable Catalysts for Hydrogen Production from Biomass ... Source:...

226

E-Print Network 3.0 - active video games Sample Search Results  

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activated to learn, searching for solutions, both ... Source: Larsson, Thomas - School of Innovation, Design and Engineering, Mlardalen University Collection: Computer...

227

E-Print Network 3.0 - activity-based interaction models Sample...  

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learning... on activity- based learning, giving learners an opportunity to ... Source: Colorado Technical University, Computer Science Department Collection: Computer...

228

E-Print Network 3.0 - active xanthene dyes Sample Search Results  

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Summary: Improved microcapsulation formulation. Dye protects active ingredient from UV degradation increasing its... (Fera) have developed a microcapsulation technology which...

229

E-Print Network 3.0 - active dielectric microstructures Sample...  

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Plasma Actuators for Active Aerodynamic Flow Control," AIAA... Results Using Aerogels and Ferroelectrics for Dielectric Barrier Discharge Actuators Ryan Durscher......

230

E-Print Network 3.0 - activated sewage sludge Sample Search Results  

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University Collection: Geosciences ; Environmental Sciences and Ecology 66 Advanced Wastewater Treatment Processes Summary: Treatment Plant Conventional Activated Sludge Process...

231

E-Print Network 3.0 - active defrost scheme Sample Search Results  

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. . . . . . . . . . . . . . . . . . . . . . . 62 6 An Active Defrost Scheme for Balancing Energy Consumption and Food Quality Loss in Supermarket... , ... Source: Skogestad, Sigurd...

232

E-Print Network 3.0 - activated sludge microorganisms Sample...  

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and Computer Science, Texas Woman's University Collection: Mathematics 8 Advanced Wastewater Treatment Processes Summary: Treatment Plant Conventional Activated Sludge Process...

233

E-Print Network 3.0 - active natural products Sample Search Results  

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2 JOURNAL OF CONSTRUCTION ENGINEERING AND MANAGEMENT JULYAUGUST 1998 269 SCHEDULING PROJECTS WITH REPEATING ACTIVITIES Summary: duration. This sequence includes...

234

E-Print Network 3.0 - activity sleep psychiatric Sample Search...  

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age-related changes in spindle activity. To sum... -resolution brain electromagnetic tomography revealed simultaneously ... Source: Ecole Polytechnique, Centre de...

235

E-Print Network 3.0 - activity caracterizacao da Sample Search...  

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thetic activities, what can partially explain the ... Source: Carvalho, Joo Luiz - Departamento de Engenharia Eltrica, Universidade de Braslia Collection:...

236

Role of metal components in Pd?Cu bimetallic catalysts supported on CeO2 for the oxygen-enhanced water gas shift  

SciTech Connect (OSTI)

Catalytic hydrogen production and CO removal in a post-reforming process are critical for low-temperature fuel cell applications. The present study aims at clarifying the role of metal components in bimetallic catalysts for oxygen-enhanced water gas shift (OWGS), wherein a small amount of O{sub 2} is added to H{sub 2}-rich reformate gas to enhance CO shift. Among CeO{sub 2}-supported bimetallic catalysts, Pd-Cu and Pt-Cu combinations were found to show strong synergetic promoting effect in OWGS, which leads to much higher CO conversion and higher H{sub 2} yield than WGS at low temperature around 250 C. Temperature programmed reduction (TPR) showed strong interaction between Pd and Cu in Pd-Cu/CeO{sub 2} by a single reduction peak in contrast to multiple peaks on monometallic Cu/CeO{sub 2}. Extended X-ray absorption fine structure (EXAFS) analysis revealed that such bimetallic Pd-Cu and Pt-Cu form alloy nanoparticles, where noble metal is mainly surrounded by Cu atoms. Oxygen storage capacity (OSC) measurements point to higher resistance of Pd-Cu to oxidation indicating that Pd keeps Cu in reduced state in air pulse condition. From kinetic study, Pd in Pd-Cu was found to promote CO shift, rather than CO oxidation by increasing the number of active sites and by suppressing H{sub 2} activation (that is inherent to monometallic Pd), which minimizes both the inhibition effect of H{sub 2} and the loss of H{sub 2} by oxidation in OWGS. Transient response technique revealed that Cu in Pd-Cu enhances desorption of strongly chemisorbed CO{sub 2} on catalyst surface in contrast to very slow CO{sub 2} desorption from surface of monometallic Pd. Thus, the excellent OWGS activity of Pd-Cu catalyst has been attributed to the complementary roles of the two metals for enhancing CO shift, which is realized by its alloy structure and the accompanying strong interaction between metal components.

Kugai, J.; Miller, J. T.; Guo, N.; Song, C. (Chemical Sciences and Engineering Division); ( PSC-USR); (Penn State Univ.)

2011-06-01T23:59:59.000Z

237

Transition metal carbides, nitrides and borides, and their oxygen containing analogs useful as water gas shift catalysts  

DOE Patents [OSTI]

Mono- and bimetallic transition metal carbides, nitrides and borides, and their oxygen containing analogs (e.g. oxycarbides) for use as water gas shift catalysts are described. In a preferred embodiment, the catalysts have the general formula of M1.sub.A M2.sub.B Z.sub.C O.sub.D, wherein M1 is selected from the group consisting of Mo, W, and combinations thereof; M2 is selected from the group consisting of Fe, Ni, Cu, Co, and combinations thereof; Z is selected from the group consisting of carbon, nitrogen, boron, and combinations thereof; A is an integer; B is 0 or an integer greater than 0; C is an integer; O is oxygen; and D is 0 or an integer greater than 0. The catalysts exhibit good reactivity, stability, and sulfur tolerance, as compared to conventional water shift gas catalysts. These catalysts hold promise for use in conjunction with proton exchange membrane fuel cell powered systems.

Thompson, Levi T.; Patt, Jeremy; Moon, Dong Ju; Phillips, Cory

2003-09-23T23:59:59.000Z

238

E-Print Network 3.0 - active submarine volcano Sample Search...  

Broader source: All U.S. Department of Energy (DOE) Office Webpages (Extended Search)

years. Mauna Loa, in Hawaii, is the world's largest active ... Source: Fleskes, Joe - Dixon Field Station, Western Ecological Research Center, USGS Collection:...

239

E-Print Network 3.0 - activation modulates permeability Sample...  

Broader source: All U.S. Department of Energy (DOE) Office Webpages (Extended Search)

active agonists and cAMP. J. Appl. Physiol. 67... Permeability Gavrielle M. Price and Joe Tien Abstract This chapter describes a protocol for forming open... or repeated...

240

E-Print Network 3.0 - active comparator study Sample Search Results  

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Time-use studies... , diary studies, activity ... Source: Golle, Philippe - Palo Alto Research Center (PARC) Collection: Computer Technologies and Information Sciences 7...

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241

E-Print Network 3.0 - active nuclear wastes Sample Search Results  

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disposal site for transuranic (TRU) radio- active waste created during... , americium, curium, and neptunium are created during the produc- tion of nuclear weapons. Transuranic...

242

E-Print Network 3.0 - activated carbon impregnated Sample Search...  

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surface, such that the targeted active layer contained 91 g... on cellulose-based carbon aerogel 1 LEPMI, UMR 5631 ... Source: Ecole Polytechnique, Centre de mathmatiques...

243

E-Print Network 3.0 - areas technical activities Sample Search...  

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conservation, such as sustainable use of forest... or marine resources Promote ecotourism and other income-generating activities for communities living near Source:...

244

E-Print Network 3.0 - augmented nk activity Sample Search Results  

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to Tumor Metastasis in Summary: reported augmentation of NK activity following infusion of adrenaline (14-16, 27). Although species... implicated in mediating stress-induced...

245

E-Print Network 3.0 - activity gastric emptying Sample Search...  

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increase vagal afferent activation. The effect of CCK, but not gastric... infusion or intraperitoneal injection of CCK produced dose-dependent increases in the ......

246

E-Print Network 3.0 - active heater control Sample Search Results  

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suborder Scombroidei have independently Summary: event when the activity of the SERCA pumps was reduced. RNase protection assays revealed that heater... be under neural control....

247

E-Print Network 3.0 - agency iaea activities Sample Search Results  

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. On the basis of a recent published report on this topic by the International Atomic Energy Agency (IAEA 1992... measured activity in soil. However, in the ... Source: Pint,...

248

E-Print Network 3.0 - active antiretroviral chemotherapy Sample...  

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between an activated and latent state results in the typical decelerating decay of virus load following Source: Utrecht, Universiteit - Departement Biologie, Theoretical Biology...

249

E-Print Network 3.0 - activity influences inclusions Sample Search...  

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phase equilibria to be between 2... -driven surface waters resulted in widespread fracture-controlled hydrothermal activity and brine dilution down... at Nanga Parbat), but...

250

E-Print Network 3.0 - active power method Sample Search Results  

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and Nonlinear Loads Jos Mahomar, Luis Morn... active power filters. The algorithm is proved by simulation in a multibus industrial power distribution... system and...

251

E-Print Network 3.0 - active galaxy demography Sample Search...  

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... Source: Arcetri Osservatorio Astrofisico di (Italy), Collection: Physics 9 Nature Review The role of black holes in galaxy formation and evolution Summary: activity50,51 . The...

252

E-Print Network 3.0 - active filter system Sample Search Results  

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One of them is the use of a combined system of shunt passive filters and series... load power, reducing costs and increasing overall system efficiency 4. Series active...

253

E-Print Network 3.0 - activity predicts responsiveness Sample...  

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Northwestern University Collection: Biology and Medicine 29 PREDICTING RESOURCE DEMAND IN HETEROGENEOUS ACTIVE NETWORKS V. Galtier, K. Mills, and Y. Carlinet Summary: 1...

254

E-Print Network 3.0 - active trial operation Sample Search Results  

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Sciences 4 COGNITIVE NEUROSCIENCE Role of the basal ganglia in switching a planned response Summary: from frontal eye fields, an area shown to be more active for antisaccade...

255

E-Print Network 3.0 - activity trial adapt Sample Search Results  

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Biology and Medicine 6 Running Head: CONFLICT ADAPTATION FOLLOWING ERRONEOUS RESPONSE PREPARATION Summary: (Botvinick et al., 2001). Reduced ACC activation (sometimes...

256

E-Print Network 3.0 - activator hgfa pathophysiological Sample...  

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In this talk... -mediated activation of Rho may be a contributor to the diffuse axonal injury reported in ... Source: Guerraoui, Rachid - Facult Informatique et Communications,...

257

E-Print Network 3.0 - activity meters Sample Search Results  

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Testing in the Advanced Metering Infrastructure Summary: . The activities of a smart meter are coordinated by its Microcontroller Unit (MCU). The majority of work...

258

E-Print Network 3.0 - activity feed homogeneity Sample Search...  

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results for: activity feed homogeneity Page: << < 1 2 3 4 5 > >> 1 Bistro Data Feed Management System Theodore Johnson Vladislav Shkapenyuk Divesh Srivastava Summary:...

259

E-Print Network 3.0 - active living study Sample Search Results  

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RH 21% Summary: All double rooms Community Based Living (CBLV): West College: Political Activism and Artistic... % Where will I end up? Below is a snapshot of where the...

260

E-Print Network 3.0 - antioxidant activities evaluation Sample...  

Broader source: All U.S. Department of Energy (DOE) Office Webpages (Extended Search)

CranberryExtract (WCE) In Vitro Estimation of Antioxidant Activities in Red and White Cranberry... - picrylhydrazyl (DPPH) assays. 2.) To evaluate the ability of RCE and WCE to...

Note: This page contains sample records for the topic "activity water-gas samples" from the National Library of EnergyBeta (NLEBeta).
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261

E-Print Network 3.0 - antioxidant activity evaluation Sample...  

Broader source: All U.S. Department of Energy (DOE) Office Webpages (Extended Search)

CranberryExtract (WCE) In Vitro Estimation of Antioxidant Activities in Red and White Cranberry... - picrylhydrazyl (DPPH) assays. 2.) To evaluate the ability of RCE and WCE to...

262

E-Print Network 3.0 - anti-oxidant enzymatic activities Sample...  

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Nature's assembly line: biosynthesis of simple Summary: and epicatechins in cranberry juice and chocolate have anti-oxidant activities, induce apoptosis in cancer...

263

E-Print Network 3.0 - active nitrogen species Sample Search Results  

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53 Impacts of Fertilization on Rates of Autotrophic N2 Fixation in Salt Marshes and Cranberry Bogs of Massachusetts Summary: reduced the activity of nitrogen fixers in salt...

264

E-Print Network 3.0 - activator inhibitor-1 gene Sample Search...  

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activator inhibitor-1 gene Page: << < 1 2 3 4 5 > >> 1 EdinburghStanford TREC 2003 Genomics Track: Notebook Paper Summary: -dependent kinase inhibitor 1a'' ''dna synthesis...

265

E-Print Network 3.0 - assess pozzolanic activity Sample Search...  

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of volcanic activity is ... Source: Wisconsin-Milwaukee, University of - Department of Civil Engineering and Mechanics, Center for By-Products Utilization Collection:...

266

E-Print Network 3.0 - a-769662 activates ampk Sample Search Results  

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University Collection: Biology and Medicine 38 Cell Metabolism Hypothalamic Fatty Acid Metabolism Mediates Summary: as the mechanism activated by ghrelin. RESULTS Fasting...

267

E-Print Network 3.0 - activated carbon particles Sample Search...  

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; Activated carbon; Carbon fibers; D. Electrical (electronic) properties Electromagnetic interference (EMI... in the composites is typically that ... Source: Chung, Deborah D.L....

268

E-Print Network 3.0 - amine oxidase activity Sample Search Results  

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performance for methanol... nanotube layers with WO"3 nanocrystals for high- electrochromic activity Short communication Source: Aksay, Ilhan A. - Department of Chemical...

269

E-Print Network 3.0 - activation analysis study Sample Search...  

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- Department of Medicinal Chemistry, University of Kansas Collection: Chemistry 12 SOM CENTER FOR CLINICAL TRIALS CLINICAL RESEARCH ADMINISTRATIVE REVIEW Summary: activities ...

270

E-Print Network 3.0 - active hippocampal cultures Sample Search...  

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in hippocampal neurons subsequent to RyR activation and increased reactive oxygen species and suggest... . To address the first goal, apoptosis was quantified in pri-...

271

E-Print Network 3.0 - activated carbon effect Sample Search Results  

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Tyne Collection: Materials Science 18 United States Department of Summary: as qualifying carbon offset activities in existing markets and regis- tries. Forest carbon projects......

272

E-Print Network 3.0 - active region model Sample Search Results  

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Collection: Physics 72 The main rationale In the 21st Summary: development in the ASEAN region. Chapter 3: The Space Activities of ASEAN Countries investigates the...

273

E-Print Network 3.0 - active regions based Sample Search Results  

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based on the concept of international cooperation. In order... development in the ASEAN region. Chapter 3: The Space Activities of ASEAN Countries investigates the...

274

E-Print Network 3.0 - active biopolymer network Sample Search...  

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in the blood flow, active swimming of microorganisms (e.g. sperm, bacteria ... Source: Frey, Erwin - Arnold Sommerfeld Center for Theoretical Physics, Ludwig-Maximilians-Univers...

275

E-Print Network 3.0 - aldosterone renin activity Sample Search...  

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Angiotensin II and Aldosterone Increase with Fasting in Breeding Adult Male Northern Elephant Seals (Mirounga angustirostris) Summary: renin activity (PRA), an indicator of...

276

E-Print Network 3.0 - activation time prediction Sample Search...  

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any... of an adaptive CPU-time model can improve the ability of AVNMP to predict resource usage in heterogeneous active... 1 PREDICTING ... Source: Mills, Kevin - Information...

277

E-Print Network 3.0 - activity maintenance study Sample Search...  

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results for: activity maintenance study Page: << < 1 2 3 4 5 > >> 1 Innovative Contracting Strategies forInnovative Contracting Strategies for Transportation...

278

E-Print Network 3.0 - anti-infective activity screening Sample...  

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activity (original budget, ... Source: Hawaii Natural Energy Institute Collection: Renewable Energy 50 MOLECULAR AND CELLULAR BIOLOGY, Apr. 2010, p. 17181728 Vol. 30, No. 7...

279

E-Print Network 3.0 - active gilbert cell Sample Search Results  

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Cell Technology Abstract Significant interest... and attention have been given to the innovation activity occurring within geographic cluster regions. Despite Source: Lin,...

280

E-Print Network 3.0 - activity centers Sample Search Results  

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CenterAllison Road Busch CampusCollege Avenue Summary: Apartments Stadium West Lot Student Activities Center Rutgers Student Center Due to scheduled events... Campus Buell...

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281

E-Print Network 3.0 - activate multiple types Sample Search Results  

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Information Sciences 11 Dr. Takaki Komiyama Janelia Farm Research Campus Summary: -photon calcium imaging can monitor activity of multiple, spatially defined cells in the mammalian...

282

E-Print Network 3.0 - activating integrin alphavbeta3 Sample...  

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123, 146. Together, these studies suggest that actin dynamics actively induce heart tube looping... , and integrins, respectively. The cytoskeleton remodels its architecture with...

283

E-Print Network 3.0 - activity affects chromosome Sample Search...  

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is the modification in activities of proteins mediating the chromosome binding and looping. When the protein... The influence of chromosome density variations on the...

284

E-Print Network 3.0 - activation switch macs-index Sample Search...  

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Optical Summary: quadratically with switching node degree when active optoelectronic devices are used as switching elements 2... is presented. Because of the high cost of...

285

E-Print Network 3.0 - active edge silicon Sample Search Results  

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its... platform allows silicon photonic devices to be integrated with active optoelectronic devices more commonly... through which current can flow. A typical hybrid silicon ......

286

E-Print Network 3.0 - activated carbons production Sample Search...  

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United States Department of Summary: as qualifying carbon offset activities in existing markets and regis- tries. Forest carbon projects... are primarily concerned with carbon...

287

E-Print Network 3.0 - activated carbons produced Sample Search...  

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United States Department of Summary: as qualifying carbon offset activities in existing markets and regis- tries. Forest carbon projects... straightforward way to sequester...

288

E-Print Network 3.0 - activated carbon addition Sample Search...  

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to invest in carbon reducing activities in developing... is the influence carbon markets will have on additional benefits from land-use systems such as rural...

289

E-Print Network 3.0 - activated carbon produced Sample Search...  

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United States Department of Summary: as qualifying carbon offset activities in existing markets and regis- tries. Forest carbon projects... straightforward way to sequester...

290

E-Print Network 3.0 - active carbon stocks Sample Search Results  

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parameters include the mean annual temperature, the initial soil carbon stocks... for bioenergy crops. These activities are still in their early stages, and the accuracy of...

291

E-Print Network 3.0 - alkaliphilic esterase active Sample Search...  

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with the most active, relevant consortia for novel enzyme and pathway discovery 148 Bioenerg. Res. ... Source: Hazen, Terry - Earth Sciences Division, Lawrence Berkeley National...

292

E-Print Network 3.0 - active flutter suppression Sample Search...  

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Dame Collection: Engineering 9 JOURNAL OF ENGINEERING MECHANICS JANUARY 2000 17 AERODYNAMIC COUPLING EFFECTS ON FLUTTER AND Summary: ). Design for active flutter suppression...

293

E-Print Network 3.0 - active transport advocate Sample Search...  

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1) The survivor, not the advocate, should guide the direction and activities of the intervention... . This does not mean the advocate is not ... Source: Liu, Taosheng -...

294

E-Print Network 3.0 - active edge sites Sample Search Results  

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active, and those... that carbon radical sites ... Source: Popov, Branko N. - Center for Electrochemical Engineering & Department of Chemical Engineering, University of South...

295

E-Print Network 3.0 - active dosimetry monitors Sample Search...  

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radiation detectors Hani Alnawaf c Summary: : SIRAD Dosimetry Radiation Radiochromic film a b s t r a c t SIRAD badge dosimeters provide a visual... an active radiochromic...

296

E-Print Network 3.0 - activation promotes anti-thrombotic Sample...  

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). Previously, biologically active com- pounds were either direct by-products of the pharmaceutical industry Source: Crews, Craig M. - Department of Molecular Biophysics and...

297

E-Print Network 3.0 - adenylate kinase activity Sample Search...  

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kinase controls the conversion... of AMP into ADP and modifies the ratios of AMP to ATP, adenylate kinase activity therefore plays... DNA and Gene for the Arabidopsis thaliana...

298

E-Print Network 3.0 - actively cooled beryllium Sample Search...  

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flux-trap type swimming pool reactor that uses highly... of the reactor is its neutron scattering capabilities. This activity has grown in both scientific and economic......

299

E-Print Network 3.0 - active galaxies chandra Sample Search Results  

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Galaxy PKS 2349-014 - Active ... Source: Brandt, William Nielsen - Department of Astronomy and Astrophysics, Pennsylvania State University Collection: Physics 3...

300

E-Print Network 3.0 - activities fostering fear Sample Search...  

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of Emotion Catherine A Hartley1 Summary: as means to control fear: extinction, cognitive regulation, active coping, and reconsolidation. For each... a fear response. In...

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301

E-Print Network 3.0 - attention activates peripheral Sample Search...  

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search results for: attention activates peripheral Page: << < 1 2 3 4 5 > >> 1 Z .Cognitive Brain Research 8 1999 143156 www.elsevier.comrlocaterbres Summary: April 1999...

302

E-Print Network 3.0 - active surveillance procedures Sample Search...  

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Sciences 31 Review of Chronic Wasting Disease Management Policies and Programs in Colorado Summary: . Surveillance and management activities are inseparable, because...

303

E-Print Network 3.0 - activation physiological roles Sample Search...  

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11. Role of GABAA receptors in modulating dendritic activity in collaboration with Kaspar Vogt... of Physiology, University of Bern, Switzerland Personal Date of Birth: 2 May, 1967...

304

E-Print Network 3.0 - activities involving bacterial Sample Search...  

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5 > >> 81 Microbial Distributions and the Impact of Phosphorus on Bacterial Activity in Lake Erie Summary: Microbial Distributions and the Impact of Phosphorus on Bacterial...

305

E-Print Network 3.0 - activity promotion project Sample Search...  

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on committees... of successful grant applications supporting such activities. Time in rank preceding promotion is typically six... 962011 LECTURER FACULTY PROMOTION: CRITERIA...

306

E-Print Network 3.0 - actively promotes initiation Sample Search...  

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Handbook) Summary: of successful grant applications supporting such activities. Time in rank preceding promotion is typically six... or more years. Length of service is not a basis...

307

E-Print Network 3.0 - active walk model Sample Search Results  

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transition in human gait from walking to running as walking speed Summary: the ankle plantar flexors. Despite an increase in muscle activation with walking speed, the...

308

E-Print Network 3.0 - active process requiring Sample Search...  

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invoking a service that a process activity requires, receiving the result after... -oriented architecture, services and business processes are typically integrated by invoking...

309

E-Print Network 3.0 - active living projects Sample Search Results  

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4 5 > >> 41 Roberta E. Rikli, C. Jessie Jones. (1997). Assessing Physical Performance in Independent Older Adults: Issues and Guidelines. Journal of Aging and Physical Activity, 5...

310

E-Print Network 3.0 - active human promoters Sample Search Results  

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dem- less ... Source: Collection: Biology and Medicine 8 University of Toronto Governing Council Summary: of International Projects, Agreements, and Other International Activity...

311

E-Print Network 3.0 - activity indicator model Sample Search...  

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on the GUI. The pur- pose of this work is to explore how... observation streams from sensors, activities can be ... Source: Modayil, Joseph - Department of Computing Science,...

312

E-Print Network 3.0 - activated lymphocyte targeting Sample Search...  

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at Berkeley Collection: Biology and Medicine 25 Expectation Maximization driven Geodesic Active Contour with Overlap Resolution (EMaGACOR): Application to Lymphocyte...

313

E-Print Network 3.0 - anti-oxidant active paramagnetic Sample...  

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76 Hydrogen, Fuel Cells, and Infrastructure Technologies FY 2002 Progress Report IV.C Fuel Processing Subsystem and Components Summary: ) will contain high- activity, low-cost,...

314

E-Print Network 3.0 - active sers substrate Sample Search Results  

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Biology and Medicine 16 Delivered by Ingenta to: UNIVERSIDADE SAO PAULO IF Summary: and ORC activated substrates is useful in pro- viding directives for the construction of...

315

E-Print Network 3.0 - acetyltransferase hat activity Sample Search...  

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histone acetyltransferase implicated in the regulation of transcriptional silencing, and ORC is the six... - strate that sas2D reduces the silencing activities of silencers...

316

E-Print Network 3.0 - assessing disease activity Sample Search...  

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> >> 1 MAR 554 -DISEASES OF AQUATIC ORGANISMS (3 credits) Summary: and public health 21. Impact of natural environmental factors on diseases 22. Impact of human activities......

317

E-Print Network 3.0 - activity gis coding Sample Search Results  

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code Visit... )" The Authorization Wizard will prompt you for an authorization code; enter your activated code. Support for the ArcGIS... After ... Source: Ronquist, Fredrik -...

318

E-Print Network 3.0 - angiotensin-induced neuronal activity Sample...  

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Biology and Medicine 57 Computation with Spiking Neurons Lambda Wolfgang Maass Summary: circuit of spiking neurons, where firing activity is propagated from layer to layer. From...

319

E-Print Network 3.0 - activated carbon storage Sample Search...  

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capacity with active carbon nanostructure... are the premier laboratory in carbon aerogels and have explored their use for hydrogen storage and gas separation... . Preliminary...

320

E-Print Network 3.0 - active carbon nanotube-supported Sample...  

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catalysts for diesel fuel synthesis 38 Value-added products... the probable cost of aerogels produced on an industrial scale. Development of activated-carbon supported......

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321

E-Print Network 3.0 - activeness physical fitness Sample Search...  

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Area... based on sign up. Physical activity has inherent risks. For ... Source: Saskatchewan, University of - Department of Physics and Engineering Physics, Plasma Physics...

322

E-Print Network 3.0 - activation involves increasing Sample Search...  

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an initial fixation point. Neural activity was recorded in the superior... colliculus (SC), a structure that is known to be involved in the generation of fast ... Source: Munoz,...

323

E-Print Network 3.0 - activated human monocytes Sample Search...  

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of proinflammatory cytochemokines... , and Vijay K. Kalra Monocytes from patients with sickle cell disease (SCD) are in an activated state. However... , the mechanism of...

324

E-Print Network 3.0 - activated charcoal column Sample Search...  

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for: activated charcoal column Page: << < 1 2 3 4 5 > >> 1 Renewable and Appropriate Energy Laboratory Report Review of Technologies for the Production and Use of Charcoal...

325

E-Print Network 3.0 - activity optical Sample Search Results  

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search results for: activity optical Page: << < 1 2 3 4 5 > >> 1 27 Jan 2003 Smart Optics Faraday Partnership 1 Smart Optics Summary: Components Wavefront Modulator (WFM)...

326

E-Print Network 3.0 - active ingredients opp Sample Search Results  

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diseases responsible for the death of people are directly linked to our diets and food Summary: of these poisons are truly EPA registered or approved; only their active...

327

E-Print Network 3.0 - activity survey summary Sample Search Results  

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for: activity survey summary Page: << < 1 2 3 4 5 > >> 1 MSU Departmental Assessment Report Spring 2009 Summary: and Spring Semester 2009. 6. A graduating senior survey summary,...

328

E-Print Network 3.0 - activation analysis applied Sample Search...  

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Flexible and Reliable Electronic Commerce Systems Summary: and the underlying TP facility form a framework for dynamic transactional activity processing. By applying the...

329

E-Print Network 3.0 - activate kcl cotransport Sample Search...  

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A substantial level... -8). The cotransporter activity was increased ... Source: Sun, Dandan - Center for Neuroscience, University of Wisconsin at Madison Collection:...

330

E-Print Network 3.0 - activation regulate fiv Sample Search Results  

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Series Summary: -like activating enzyme UbaA in Haloferax volcanii Daniel Dixon Ionic and pH regulation in the mosquito larvae... -1 reverse transcriptase evolutionary conserved...

331

E-Print Network 3.0 - activity patterns govern Sample Search...  

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in real-world government service data for government debt prevention in an Aus... activities, and the impact of customers on ... Source: Cao, Longbing - Faculty of Information...

332

E-Print Network 3.0 - agent acetyl-l-carnitine activates Sample...  

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Aging and Disease Collection: Biology and Medicine 18 AREA OVERVIEW----Agent & Data Mining Interaction Summary: publication Research groups Research projects Relevant activities...

333

E-Print Network 3.0 - activity based analysis Sample Search Results  

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Sciences 4 Reasoning about Repairability of Workflows at Design Time Summary: activities can be provided by the workflow designer based on the analysis of different aspects...

334

E-Print Network 3.0 - aggravating activities clinical Sample...  

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a look at Summary: and to defend their territories against transnational corporate activities. Corporate dams have flooded vast... most aggravated the Mapuche conflicts,...

335

E-Print Network 3.0 - active myofascial trigger Sample Search...  

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to-phonophobia; and no other... location, in- tensity that does not inhibit daily activities, and not aggra- vated by routine ... Source: Steinbach, Joe Henry - Washington...

336

E-Print Network 3.0 - active chile ridge Sample Search Results  

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FORESTS: CONSERVING A GLOBAL TREASURE FRONTIER FORESTS Summary: of GFW-Chile activities and partners in Chile. GFW-Chile would also like to thank the Environmental......

337

E-Print Network 3.0 - actively growing ataxia Sample Search Results  

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Progress in Brain Research, Vol. 140 Summary: technologies for recording high- speed activities like saccades are relatively new. De- tailed studies of hand... laboratory has found...

338

E-Print Network 3.0 - active selective kappa Sample Search Results  

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pages 701709, Beijing, August 2010 Summary: and common user information through Kappa statistic. Finally, we calculate potential for personalization... us- ers' activities may...

339

E-Print Network 3.0 - activated combustion-high velocity Sample...  

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velocity model of an area in the lower part... and complex slope movements in the South French Alps. The landslide associates two styles of activity Source: Ecole Polytechnique,...

340

E-Print Network 3.0 - active region spectra Sample Search Results  

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de Madrid, Dpt. de Astrofsica, Facultad C.C. Fsicas, Madrid, Spain, dmg@astrax.fis.ucm.es, Summary: -infrared indicators of chromospheric activity. The spectra have been...

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341

E-Print Network 3.0 - active personnel dosemeters Sample Search...  

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Lists of staff... radioactivity 17 3.2. Uptake and loss of certain transuranium-, fis- sion- and activation nuclides by Mytilus Source: Ris National Laboratory Collection:...

342

E-Print Network 3.0 - active mode control Sample Search Results  

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Summary: simple features have few features active Jan Bredereke: On Preventing FIs which are Shared-Control Mode... On Preventing Telephony Feature Interactions which are...

343

E-Print Network 3.0 - activation requires mitochondrial Sample...  

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is required for fission activity41 . The recruitment of Dnm1 to yeast mitochondrial fis- sion... . Mitochondrial trans- port is required to distribute mitochondria throughout...

344

E-Print Network 3.0 - aerobic physical activity Sample Search...  

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activity whereby har- vesting led to decreased aerobic and anaerobic CO2 production rates, presumably due... for carbon dioxide (CO2) production under aerobic and...

345

E-Print Network 3.0 - actively building private Sample Search...  

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14th EAERCD Conference Summary: is determinant to identify what sources can build retail brand equity because they actively participate... stores and private labels - Proposition...

346

E-Print Network 3.0 - active tracheal ventilation Sample Search...  

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et al., 1994). Late stage embryos were fixed and stained for tracheal... p activity (Brand et al., 1994) and it reduced the penetrance of ... Source: Krasnow, Mark A. -...

347

E-Print Network 3.0 - aggravates lipolytic activity Sample Search...  

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reserved Summary: therefore have other functions besides its lipolytic activity (13). PLA2-XIIA, like many other secretory PLA... . pylori and it is possible that the...

348

E-Print Network 3.0 - active marine methylotrophs Sample Search...  

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TM-1 are active during acetate metabolism to methane. In nongastrointestinal... methane-producing bacterium isolated from marine sediments. Appl. Environ. Microbiol. 47:971-978....

349

E-Print Network 3.0 - active mri implants Sample Search Results  

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interested in participating Summary: while lying inside the MRI scanner as your brain activity is being monitored 2hrs. 1 Computer Studies 2... brains process certain...

350

E-Print Network 3.0 - active cognitive training Sample Search...  

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search results for: active cognitive training Page: << < 1 2 3 4 5 > >> 1 Healthy Brain Aging: Role of Cognitive Reserve, Cognitive Stimulation, and Cognitive Exercises...

351

E-Print Network 3.0 - activation energy distribution Sample Search...  

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and Information Sciences 68 Ratepayer-Funded Energy-Efficiency Programs in a Restructured Electricity Summary: Private-Sector Energy-Efficiency Activities... a utility's past...

352

E-Print Network 3.0 - autonomic nervous activity Sample Search...  

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Medicine 26 Fatty Acid Signaling in the Hypothalamus and the Neural Control of Insulin Secretion Summary: induce important changes in autonomic nervous activity. We previously...

353

E-Print Network 3.0 - active microwave medium Sample Search Results  

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MA: Artech House, 1981... . 41 F. Ulaby, R. Moore, and A. K. Fung, Microwave Remote Sensing: Active and Passive, vol. 3. Norwood... Sat Passive Microwave Polarimetric...

354

E-Print Network 3.0 - activation element exerting Sample Search...  

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activities, in particular, greenhouse gases... and application of comprehensive Earth system models. 13 - Elements of linear detection theory: EOFs of natural Source: Black,...

355

E-Print Network 3.0 - acid chaperone activity Sample Search Results  

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they up-regulate ER-resident chaperones and other enzymatic activities to augment protein folding... with the help of chaperones. A sudden increase in unfolded proteins, a...

356

E-Print Network 3.0 - actively drives processive Sample Search...  

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, Princeton, NJ 08544 Email: hekmat@princeton.edu In Active Matrix Organic Light Emitting Diode (AMOLED... ) displays, a voltage data signal is converted in the pixel to an...

357

E-Print Network 3.0 - active metal brazing Sample Search Results  

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of nonlinear phenomena. The institute also has a mandate to stimulate plasma research activities... that would develop between the metallic and insulating parts of the...

358

E-Print Network 3.0 - active screen plasma Sample Search Results  

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Gurudas Ganguli1 Summary: to note that the recent flurry of activity in dusty plasma research has been driven largely by discoveries... 29. Oscillations in a Dusty Plasma...

359

E-Print Network 3.0 - active vibration reduction Sample Search...  

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been used successfully in various applications... for this application. The operating principle of an active mass ... Source: Huston, Dryver R. - School of Engineering, University...

360

E-Print Network 3.0 - activated carbon-based adsorbents Sample...  

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two primary elements, the filter media (activated carbon or lignite coke) to adsorb pollutants... in that Marker's past experience has been that Hg capture with carbon or carbon...

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361

E-Print Network 3.0 - activated sludge bulking Sample Search...  

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TECHNICAL INSTITUTE WASHINGTON, D. C. 20008 WRRC REPORT NO. 5 Summary: from a wastewater sludge consisting of organic solids, aluminum hydroxide and powdered activated...

362

E-Print Network 3.0 - activities including modelling Sample Search...  

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Perry Summary: simultaneously; and the model of the product state induces a partial order on the possible process activities... . Modeling such a process requires design...

363

E-Print Network 3.0 - active non-intrusive inspection Sample...  

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of the main activities that take place... ... Source: Texas A&M University, Texas Transportation Institute Collection: Engineering 17 Technical Report Documentation Page 1. Report...

364

E-Print Network 3.0 - active transforming growth Sample Search...  

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are rapid and initiate... and are found to be comparable to the activation energy of the overall solid-phase epitaxial growth process... that at low temperature,...

365

E-Print Network 3.0 - active steroid dependant Sample Search...  

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to actively regulate yolk steroid deposition, then steroid profiles... Sex steroids in green anoles (Anolis ... Source: Wade, Juli - Department of Zoology, Michigan State...

366

E-Print Network 3.0 - activates junctional endocytosis Sample...  

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). Monitoring clathrin-mediated endocytosis during synaptic activity. Wiseman, T., Williston, S., Brandts, J... of endocytosis at the synapse was first measured directly by ......

367

E-Print Network 3.0 - active learning strategies Sample Search...  

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by Dale's Cone... . Dale's Cone of Learning IIVV.. PPeeddaaggooggyy FFaaccttoorrss (1) ID Learning Strategy Activity... ... Source: Kostic, Milivoje M. - Department of...

368

E-Print Network 3.0 - activity measurement developpement Sample...  

Broader source: All U.S. Department of Energy (DOE) Office Webpages (Extended Search)

Page: << < 1 2 3 4 5 > >> 1 Developpement WebIntroduction generale Developpement Web Summary: , Microsoft Server, ActiveX, .NET, ASP, VBScript, C, Access 45 58...

369

E-Print Network 3.0 - artificial disc activ Sample Search Results  

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; Environmental Sciences and Ecology 9 Pressuredriven outflow and magnetocentrifugal wind from a dynamo active disc Summary: Pressure-driven outflow and magneto-centrifugal...

370

E-Print Network 3.0 - activator inhibitor-1 polymers Sample Search...  

Broader source: All U.S. Department of Energy (DOE) Office Webpages (Extended Search)

Paper 2. Writing Implements Grade Level... This activity is suitable for Late Elementary, Middle and High School Students. State ... Source: Cohen, Itai - Department of Physics,...

371

E-Print Network 3.0 - active power line Sample Search Results  

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POWER DELIVERY, VOL. 23, NO. 4, OCTOBER 2008 2535 A New Mathematic Algorithm to Analyze Power Summary: . Shunt active power filter equivalent circuit. system line current is...

372

E-Print Network 3.0 - active load voltage Sample Search Results  

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Page: << < 1 2 3 4 5 > >> 41 Performance Analysis of a Hybrid Asymmetric Multilevel Inverter for High Voltage Active Power Filter Applications Summary: Performance Analysis of a...

373

E-Print Network 3.0 - active filter compensator Sample Search...  

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TRANSACTIONS ON POWER ELECTRONICS, VOL. 17, NO. 1, JANUARY 2002 A New Hybrid Active Power Filter (APF) Topology Summary: topology is capable of compensating for the load...

374

E-Print Network 3.0 - actively inflamed liver Sample Search Results  

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Diverse Roles of Invariant Natural Killer T Cells in Liver Injury and Fibrosis Induced by Carbon Tetrachloride Summary: injection of iNKT activator -galactosylceramide ( -GalCer)...

375

E-Print Network 3.0 - activator complex polymorphisms Sample...  

Broader source: All U.S. Department of Energy (DOE) Office Webpages (Extended Search)

complexity of CSPs is now a very active... with (cur- rently) unknown complexity of its CSP. The above ... Source: Stanovsky, David - School of Mathematics, Charles University in...

376

E-Print Network 3.0 - automated activity monitoring Sample Search...  

Broader source: All U.S. Department of Energy (DOE) Office Webpages (Extended Search)

Collection: Computer Technologies and Information Sciences 4 http:hfs.sagepub.com Ergonomics Society Summary: that automation does not simply supplant human activity but rather...

377

E-Print Network 3.0 - active flow control Sample Search Results  

Broader source: All U.S. Department of Energy (DOE) Office Webpages (Extended Search)

4 Control of Resonant Flow Inside a Supersonic Cavity Using High Bandwidth Pulsed Micro-actuators Summary: , Tallahassee, FL 32310 Active control of high speed flows has...

378

E-Print Network 3.0 - active controls iaac Sample Search Results  

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Luc DUGARD, Olivier... future. Keywords: automotive suystems, identified models, HLPV control, semi-active, scheduling strategy... in the past years to improve vertical...

379

E-Print Network 3.0 - active structural control Sample Search...  

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Luc DUGARD, Olivier... future. Keywords: automotive suystems, identified models, HLPV control, semi-active, scheduling strategy... in the past years to improve vertical...

380

E-Print Network 3.0 - active metal-based corrosion Sample Search...  

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rates. Activated carbon also increased the corrosion... High temperature corrosion of water wall tube in coalfired combustion gases K. akagawa('),M. i... -Ku Nagoya 459,...

Note: This page contains sample records for the topic "activity water-gas samples" from the National Library of EnergyBeta (NLEBeta).
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381

E-Print Network 3.0 - activation analysis body Sample Search...  

Broader source: All U.S. Department of Energy (DOE) Office Webpages (Extended Search)

to some degree to maintain body temperature as heat production through activity and heat loss... remote-sensing logging units to study changes in body temperature as a...

382

E-Print Network 3.0 - acid o-methyltransferase activity Sample...  

Broader source: All U.S. Department of Energy (DOE) Office Webpages (Extended Search)

Plant Journal 8, 855... reduced caffeic acid O-methyltransferase activity. Plant Phy- siology 123, 1363-1373. Kersey, R., Inoue, K... lignin units. Caffeic ... Source: Ye,...

383

E-Print Network 3.0 - activated ester terminated Sample Search...  

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to oxidation, contact with water, andor microbial activity... methyl ester (CME) Canola ethyl ester (CEE) Mustard methyl ester (MME) Soy methyl ester (SME... degraded....

384

E-Print Network 3.0 - activity regulates ampa Sample Search Results  

Broader source: All U.S. Department of Energy (DOE) Office Webpages (Extended Search)

which presy- Summary: The single-channel activity of native AMPA receptors can be stud- ied in outside-out patches excised from... (with cyclothiazide), patches containing one...

385

E-Print Network 3.0 - atmospheric electrical activity Sample...  

Broader source: All U.S. Department of Energy (DOE) Office Webpages (Extended Search)

September 13, 2009 Curbing mercury emissions is crucial Summary: activities, with coal-fired power plants contributing the largest source of mercury to the atmosphere... the...

386

E-Print Network 3.0 - america activities relative Sample Search...  

Broader source: All U.S. Department of Energy (DOE) Office Webpages (Extended Search)

on a new direc- Summary: --vis foreign policy. Brazilian diplomats set out to lead South America and the global south without actively... opportunities for Brazil, the...

387

E-Print Network 3.0 - active-assisted stretching program Sample...  

Broader source: All U.S. Department of Energy (DOE) Office Webpages (Extended Search)

therapeutic approach to improve arm... restraint. Robotic therapy devices could help implement such treatment by providing active assist exercise... . The principle of...

388

E-Print Network 3.0 - activation linking energy Sample Search...  

Broader source: All U.S. Department of Energy (DOE) Office Webpages (Extended Search)

l Includes OCL a formal language for attaching... with activities. l Incorporating organizational concepts like roles. l Includes a simulated environment. l Agent... entails...

389

E-Print Network 3.0 - activated carbons derived Sample Search...  

Broader source: All U.S. Department of Energy (DOE) Office Webpages (Extended Search)

Forest carbon projects... straightforward way to sequester carbon and is the simplest carbon sequestration activity to account for in forest... reductions achieved by...

390

E-Print Network 3.0 - activated carbon obtained Sample Search...  

Broader source: All U.S. Department of Energy (DOE) Office Webpages (Extended Search)

Forest carbon projects... straightforward way to sequester carbon and is the simplest carbon sequestration activity to account for in forest... reductions achieved by...

391

E-Print Network 3.0 - activated carbons modified Sample Search...  

Broader source: All U.S. Department of Energy (DOE) Office Webpages (Extended Search)

losses... through changes in activity outside of the project focus area. For example, carbon sequestration endeavors... SOIL CARBON: POLICY AND ECONOMICS GREGG ... Source:...

392

E-Print Network 3.0 - activated carbons obtained Sample Search...  

Broader source: All U.S. Department of Energy (DOE) Office Webpages (Extended Search)

Forest carbon projects... straightforward way to sequester carbon and is the simplest carbon sequestration activity to account for in forest... reductions achieved by...

393

E-Print Network 3.0 - activated carbon developed Sample Search...  

Broader source: All U.S. Department of Energy (DOE) Office Webpages (Extended Search)

of Reading Collection: Materials Science 30 Carbon Code Requirements for voluntary carbon sequestration projects Summary: is the time over which project activities are to be...

394

E-Print Network 3.0 - activated carbons prepared Sample Search...  

Broader source: All U.S. Department of Energy (DOE) Office Webpages (Extended Search)

Forest carbon projects... straightforward way to sequester carbon and is the simplest carbon sequestration activity to account for in forest... reductions achieved by...

395

E-Print Network 3.0 - activated carbon modified Sample Search...  

Broader source: All U.S. Department of Energy (DOE) Office Webpages (Extended Search)

losses... through changes in activity outside of the project focus area. For example, carbon sequestration endeavors... SOIL CARBON: POLICY AND ECONOMICS GREGG ... Source:...

396

E-Print Network 3.0 - activated carbon sorcion Sample Search...  

Broader source: All U.S. Department of Energy (DOE) Office Webpages (Extended Search)

OF ENERGY Summary: to look at the impact of recently observed climate change on soil carbon sequestration activities Results... that 5% of the soil carbon sequestered from...

397

E-Print Network 3.0 - activated carbon treated Sample Search...  

Broader source: All U.S. Department of Energy (DOE) Office Webpages (Extended Search)

Forest carbon projects... straightforward way to sequester carbon and is the simplest carbon sequestration activity to account for in forest... reductions achieved by...

398

E-Print Network 3.0 - activated carbon testing Sample Search...  

Broader source: All U.S. Department of Energy (DOE) Office Webpages (Extended Search)

Forest carbon projects... straightforward way to sequester carbon and is the simplest carbon sequestration activity to account for in forest... reductions achieved by...

399

E-Print Network 3.0 - activated carbon comparison Sample Search...  

Broader source: All U.S. Department of Energy (DOE) Office Webpages (Extended Search)

Forest carbon projects... straightforward way to sequester carbon and is the simplest carbon sequestration activity to account for in forest... reductions achieved by...

400

E-Print Network 3.0 - activated carbon fixed Sample Search Results  

Broader source: All U.S. Department of Energy (DOE) Office Webpages (Extended Search)

Forest carbon projects... straightforward way to sequester carbon and is the simplest carbon sequestration activity to account for in forest... reductions achieved by...

Note: This page contains sample records for the topic "activity water-gas samples" from the National Library of EnergyBeta (NLEBeta).
While these samples are representative of the content of NLEBeta,
they are not comprehensive nor are they the most current set.
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to obtain the most current and comprehensive results.


401

E-Print Network 3.0 - activated carbon Sample Search Results  

Broader source: All U.S. Department of Energy (DOE) Office Webpages (Extended Search)

OF ENERGY Summary: to look at the impact of recently observed climate change on soil carbon sequestration activities Results... that 5% of the soil carbon sequestered from...

402

E-Print Network 3.0 - activated carbon derived Sample Search...  

Broader source: All U.S. Department of Energy (DOE) Office Webpages (Extended Search)

Forest carbon projects... straightforward way to sequester carbon and is the simplest carbon sequestration activity to account for in forest... reductions achieved by...

403

E-Print Network 3.0 - active carbons derived Sample Search Results  

Broader source: All U.S. Department of Energy (DOE) Office Webpages (Extended Search)

Forest carbon projects... straightforward way to sequester carbon and is the simplest carbon sequestration activity to account for in forest... reductions achieved by...

404

E-Print Network 3.0 - activated carbon felts Sample Search Results  

Broader source: All U.S. Department of Energy (DOE) Office Webpages (Extended Search)

sible strategy also means actively withdrawing carbon dioxide from the atmosphere2 . Such carbon... sequestration faces multi-faceted chal- lenges: the net withdrawal of carbon...

405

E-Print Network 3.0 - activate store-operated calcium Sample...  

Broader source: All U.S. Department of Energy (DOE) Office Webpages (Extended Search)

Synaptic Summary: by Calcium Ions; is Activated by Ras-GTP All PLC Isoforms Perform the Same Reaction... Calcium Ions Play a Role in Muscle...

406

E-Print Network 3.0 - activation linker regulates Sample Search...  

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regulated isozymes. The XY linker... that the XY linker serves to autoinhibit PLC-b2 and that regulated removal of the linker from the active... . Similar ... Source:...

407

E-Print Network 3.0 - alpha activates src-family Sample Search...  

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of a Src family... that participates, directly or indirectly, in the activation of PLC is the Src family.47 Src family ... Source: Foltz, Kathleen - Department of Molecular,...

408

E-Print Network 3.0 - activity calcium signaling Sample Search...  

Broader source: All U.S. Department of Energy (DOE) Office Webpages (Extended Search)

Calcium Levels... by Calcium Ions; is Activated by Ras-GTP All PLC Isoforms Perform the Same Reaction... Calcium Ions Play a Role in Muscle...

409

E-Print Network 3.0 - activation inhibits melanoma Sample Search...  

Broader source: All U.S. Department of Energy (DOE) Office Webpages (Extended Search)

contact does not alter tyrosine-phosphorylation of VE-cadherin in EC 4.6. Activations of PLC... -cadherin reorganization. Moreover, inhibition of PLC attenuated ... Source: Dong,...

410

E-Print Network 3.0 - activates vanilloid receptor Sample Search...  

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C activation. Large classes of G pro- tein-coupled receptors (Gq11; linked to PLC ) and ty... ; TRPV, transient ... Source: Clapham, David E. - Department of...

411

E-Print Network 3.0 - activates cyclic-amp response Sample Search...  

Broader source: All U.S. Department of Energy (DOE) Office Webpages (Extended Search)

Receptor Mediated by Cyclic AMP and Summary: -coupled receptors can stimulate PLC- , apparently via formation of cyclic AMP and activation of the Ras- related... of PLC-...

412

E-Print Network 3.0 - activate trkb signaling Sample Search Results  

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signalling downstream of TrkB. Furthermore, the TrkB-dependent calcium release requires PLC activity... signalling, we performed an epistatic ... Source: Amaya, Enrique - Healing...

413

E-Print Network 3.0 - active organosulfur compounds1woa Sample...  

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-added products (e.g., activated carbon and carbon black). In their process, char upgrading is implemented Source: Columbia University - Waste-to-Energy Research and...

414

E-Print Network 3.0 - active lubricated multirecess Sample Search...  

Broader source: All U.S. Department of Energy (DOE) Office Webpages (Extended Search)

MICRO-ASSEMBLY VIA ELECTROCHEMICAL MODULATION OF SURFACE ENERGY Summary: the hydro- phobicity of the binding sites between micro-parts and substrates. Active assembly...

415

E-Print Network 3.0 - active constellation extension Sample Search...  

Broader source: All U.S. Department of Energy (DOE) Office Webpages (Extended Search)

Times Summary: to produce rainfall accumulation maps using a combined active radar and passive radiometer set of sensors... smaller constellation satellites which carry a subset of...

416

E-Print Network 3.0 - activation analysis estudo Sample Search...  

Broader source: All U.S. Department of Energy (DOE) Office Webpages (Extended Search)

Dinmica Espacial SER-410-3 Processamento... , A Microwave remote sensing: active and passive. Boston, MA: Artech House, 1981. v.13. Warner, T.A.; Nellis, M... .; Collins,...

417

E-Print Network 3.0 - active living environment Sample Search...  

Broader source: All U.S. Department of Energy (DOE) Office Webpages (Extended Search)

activities in our on-campus smart apartment testbed. Keywords Smart environments Passive sensors... complex (e.g., food preparation, medication man- agement, telephone...

418

E-Print Network 3.0 - activation analysis uso Sample Search Results  

Broader source: All U.S. Department of Energy (DOE) Office Webpages (Extended Search)

REMOTO Coordenador Acadmico Summary: , A Microwave remote sensing: active and passive. Boston, MA: Artech House, 1981. v.13. Warner, T.A.; Nellis, M... .; Collins,...

419

E-Print Network 3.0 - amphibolite rock-weathering activity Sample...  

Broader source: All U.S. Department of Energy (DOE) Office Webpages (Extended Search)

Centre de mathmatiques Collection: Mathematics 20 Phase-equilibrium constraints on titanite and rutile activities in mafic epidote amphibolites and geobarometry using...

420

E-Print Network 3.0 - activation requires modulation Sample Search...  

Broader source: All U.S. Department of Energy (DOE) Office Webpages (Extended Search)

Texas A&M University Collection: Engineering ; Renewable Energy 3 Teaching Quality Assurance TQA Manual -Introduction and Contents Summary: to the activities required of the...

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421

E-Print Network 3.0 - activating factor-stimulated human Sample...  

Broader source: All U.S. Department of Energy (DOE) Office Webpages (Extended Search)

factor mediated activation of mTOR is deregulated in human cancer... , Schaffhausen B, Pallas DC, White M, Cantley L, Roberts TM. Common elements in growth factor stimulation... ,...

422

E-Print Network 3.0 - activating rna inhibits Sample Search Results  

Broader source: All U.S. Department of Energy (DOE) Office Webpages (Extended Search)

RNA (VAI RNA from adenovirus), an aptamer RNA that activates PKR, ... Source: Beal, Peter A. - Department of Chemistry, University of Utah Collection: Chemistry 23 In...

423

E-Print Network 3.0 - antistaphylococcal biofilm activity Sample...  

Broader source: All U.S. Department of Energy (DOE) Office Webpages (Extended Search)

Enhance Persistence of a Synthetic Biofilm Consortium Summary: growth activity in flow- chamber biofilms. Appl Environ Microbiol 65: 4108-17. 25. Costerton JW, et al......

424

E-Print Network 3.0 - active cascade volcano Sample Search Results  

Broader source: All U.S. Department of Energy (DOE) Office Webpages (Extended Search)

2 Living with Volcanic Risk in the Cascades U.S. Department of the Interior Summary: ash and rock potentially active volcanoes. Cascade volcanoes tend to erupt explosively, and...

425

E-Print Network 3.0 - activating factor acetylhydrolase Sample...  

Broader source: All U.S. Department of Energy (DOE) Office Webpages (Extended Search)

activating factor acetylhydrolase Page: << < 1 2 3 4 5 > >> 1 AN ODYSSEY OF PLAQUE TO STROKE: A LIPID PERSPECTIVE Rao Muralikrishna Adibhatla 1-4* Summary: . Lipoprotein-PLA2...

426

E-Print Network 3.0 - activated carbon filtration Sample Search...  

Broader source: All U.S. Department of Energy (DOE) Office Webpages (Extended Search)

surface, such that the targeted active layer contained 91 g... on cellulose-based carbon aerogel 1 LEPMI, UMR 5631 CNRSGrenoble-INPUJF, BP75, F-38402 St Martin d......

427

E-Print Network 3.0 - active-matrix organic light-emitting Sample...  

Broader source: All U.S. Department of Energy (DOE) Office Webpages (Extended Search)

24 Room-temperature deposition of thin-film indium tin oxide on micro-fabricated color filters and its application to flat-panel displays Summary: , "Active-Matrix Organic...

428

E-Print Network 3.0 - activator t-pa current Sample Search Results  

Broader source: All U.S. Department of Energy (DOE) Office Webpages (Extended Search)

Vol. 91, pp. 3670-3674, April 1994 Summary: activator (tPA) requires an Intravenous infusion (1.5-3 h) became the clearance oftPA from the circulation... -normal...

429

E-Print Network 3.0 - aspirin esterase activity Sample Search...  

Broader source: All U.S. Department of Energy (DOE) Office Webpages (Extended Search)

-- an active drug and a placebo, for example... aspirin daily can reduce the risk of heart attack needs to take account of the facts that, independent... be 100% certain that...

430

E-Print Network 3.0 - active root-inhabiting microbes Sample...  

Broader source: All U.S. Department of Energy (DOE) Office Webpages (Extended Search)

active root-inhabiting microbes Page: << < 1 2 3 4 5 > >> 1 We haven't discovered any aliens yet so we don't know if they exist. But, many scientists think it is likely we...

431

E-Print Network 3.0 - active 32p-labeled human Sample Search...  

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A Are Necessary for Selective Recognition and Summary: 236E N-term and 32 P-labeled SNV PCE. RHA Translation Activity on Selected Viral and Cellular m... (1) with recombinant...

432

E-Print Network 3.0 - activation-induced t-cell death Sample...  

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activation-induced t-cell death Page: << < 1 2 3 4 5 > >> 1 insight review articles NATURE | VOL 407 | 12 OCTOBER 2000 | www.nature.com 789 Summary: -autonomous Fas (CD95)...

433

E-Print Network 3.0 - activation profiles depending Sample Search...  

Broader source: All U.S. Department of Energy (DOE) Office Webpages (Extended Search)

is executing... . Figure 17. Result of Step 3. 12;21 Step 4: Task: Load the GMAIL profile into active memory Action: Left... , e.g. Fig. 33 Figure 33. Result of Step 19....

434

E-Print Network 3.0 - activated lif nanorods Sample Search Results  

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activity was examined for the CuPt nanoparticles and nanorods supported on -Al2O... Synthesis of CuPt Nanorod Catalysts with Tunable Lengths Qingsheng Liu, Zhen Yan, Nathaniel...

435

E-Print Network 3.0 - activated anion channel Sample Search Results  

Broader source: All U.S. Department of Energy (DOE) Office Webpages (Extended Search)

; Chemistry 63 Cystic fibrosis transmembrane conductance regulator in teleost fish W.S. Marshalla,*, T.D. Singerb Summary: to be eluci- Table 1 Activation by PKA and ATP of...

436

E-Print Network 3.0 - anion channel activity Sample Search Results  

Broader source: All U.S. Department of Energy (DOE) Office Webpages (Extended Search)

; Chemistry 63 Cystic fibrosis transmembrane conductance regulator in teleost fish W.S. Marshalla,*, T.D. Singerb Summary: to be eluci- Table 1 Activation by PKA and ATP of...

437

E-Print Network 3.0 - active ion transport Sample Search Results  

Broader source: All U.S. Department of Energy (DOE) Office Webpages (Extended Search)

gases,2-6 or in the active... , oscillations in the electric field are damped in the bulk plasma and ion transport is governed by ion drift... , these oscillations are damped...

438

E-Print Network 3.0 - activator spa influences Sample Search...  

Broader source: All U.S. Department of Energy (DOE) Office Webpages (Extended Search)

of substrates for secretion2,3 , whereas dysregulation of Spa33 expression blocks Ipa secretion11 . The activity... . coli consensus. (C) The influence of O2 tension and the...

439

E-Print Network 3.0 - anti-diabetic ampk activator Sample Search...  

Broader source: All U.S. Department of Energy (DOE) Office Webpages (Extended Search)

unknown. We have previously shown that AMP-activated protein kinase (AMPK) in- creases nitric oxide (NO... of GI neurons to decreased glucose from 2.5 to 0.7 mM or to AMPK...

440

E-Print Network 3.0 - active region evolution Sample Search Results  

Broader source: All U.S. Department of Energy (DOE) Office Webpages (Extended Search)

56 The main rationale In the 21st Summary: on the evolution and recent status of the ASEAN Organization and its space activities for enhancing sustainable... development in the...

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441

E-Print Network 3.0 - alternative complement activation Sample...  

Broader source: All U.S. Department of Energy (DOE) Office Webpages (Extended Search)

Information Sciences 19 C3, C5, and factor B bind to chitosan without complement C. Marchand,1,2 Summary: -induced alternative complement activation. In our Western blot...

442

E-Print Network 3.0 - activated gaas surface Sample Search Results  

Broader source: All U.S. Department of Energy (DOE) Office Webpages (Extended Search)

Collection: Materials Science 8 Dissimilar and Nanomaterials for Optoelectronic Devices Summary: ) on GaAs Diluted-N-based QW Sb-based QW (GaInNAsSb) QD-based active...

443

E-Print Network 3.0 - active earth pressure Sample Search Results  

Broader source: All U.S. Department of Energy (DOE) Office Webpages (Extended Search)

a,b Summary: is a COLLADA (COLLAborative Design Activity) model supported by Google's SketchUp tool and Google Earth. 3D... it into Google Earth for display. COLLADA is for...

444

E-Print Network 3.0 - activates neu4 sialidase Sample Search...  

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the active site. 2008 Elsevier Ltd. All rights... liver sialidase inhibitor (IC50 40 lM).11 Based upon this and subsequent cell-culture results some... , have glycosidase...

445

E-Print Network 3.0 - activated reactive evaporation Sample Search...  

Broader source: All U.S. Department of Energy (DOE) Office Webpages (Extended Search)

consists... of a microporous carbon with a surface area, after activation with carbon dioxide, of ca. 700 m2 g-'. Here, we Source: Harris, Peter J F - Centre for Advanced...

446

E-Print Network 3.0 - active personal dosimetry Sample Search...  

Broader source: All U.S. Department of Energy (DOE) Office Webpages (Extended Search)

c , Martin J. Butson a,b,c,*, Peter K.N. Yu... : SIRAD Dosimetry Radiation Radiochromic film a b s t r a c t SIRAD badge dosimeters provide a visual... an active radiochromic...

447

E-Print Network 3.0 - active thermochemical tables Sample Search...  

Broader source: All U.S. Department of Energy (DOE) Office Webpages (Extended Search)

ically... thermochemical energy coupled with a relatively high activation barrier for Co(iPr-MeAMD)2 pre- vents H migration... process is thermochemically endothermic; howeVer, for...

448

E-Print Network 3.0 - activate multiple p2x Sample Search Results  

Broader source: All U.S. Department of Energy (DOE) Office Webpages (Extended Search)

Summary: a role for the P2X2 receptor subunit in mediating multiple sensory effects of ATP Debra A. Cockayne1... properties. P2X3 receptors are rapidly desensitizing, activated...

449

E-Print Network 3.0 - activity exposure rate Sample Search Results  

Broader source: All U.S. Department of Energy (DOE) Office Webpages (Extended Search)

to the author for internal non-commercial research Summary: in activity patterns, ages, sex, and other qualities, exposure is widely used as a marker for dose... rate) affecting...

450

E-Print Network 3.0 - active fault diagnosis Sample Search Results  

Broader source: All U.S. Department of Energy (DOE) Office Webpages (Extended Search)

for: active fault diagnosis Page: << < 1 2 3 4 5 > >> 1 932 IEEE TRANSACTIONS ON COMPUTER-AIDED DESIGN OF INTEGRATED CIRCUITS AND SYSTEMS, VOL. 26, NO. 5, MAY 2007...

451

E-Print Network 3.0 - activated egfr determines Sample Search...  

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search results for: activated egfr determines Page: << < 1 2 3 4 5 > >> 1 726 Cancer Biology & Therapy 2008; Vol. 7 Issue 5 Cancer Biology & Therapy 7:5, 726-733; May 2008;...

452

E-Print Network 3.0 - activate mrna expression Sample Search...  

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search results for: activate mrna expression Page: << < 1 2 3 4 5 > >> 1 Molecular Biology 311 Problem Set 5 Answers Summary: in the expression of calcitonin mRNA in the...

453

E-Print Network 3.0 - activation downregulates akt Sample Search...  

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for: activation downregulates akt Page: << < 1 2 3 4 5 > >> 1 Tumor and Stem Cell Biology Akt2 Regulates All Akt Isoforms and Promotes Resistance to Summary: deprivation, Akt2...

454

E-Print Network 3.0 - actin assembly activity Sample Search Results  

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search results for: actin assembly activity Page: << < 1 2 3 4 5 > >> 1 R728 Current Biology Vol 10 No 20 Cellular regulation of Summary: R728 Current Biology Vol 10 No 20 Primer...

455

E-Print Network 3.0 - active bumblebees bombus Sample Search...  

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a wide range of temperatures... brood growth and development (Pomeroy and Plowright 1980; Vogt 1986a,b). Bumblebee colonies actively... 2001; Foster et al. 2004). The goals of this...

456

E-Print Network 3.0 - alpha -reductase activity Sample Search...  

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Report for Greek Chapters Spring 2011 Summary: (Actives and New Memers) GPA GPA Rank of Members Size Rank Alpha Epsilon Pi 3.4569 3 75 8 Alpha Tau Omega... 2011 Spring...

457

E-Print Network 3.0 - activates apical cl- Sample Search Results  

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alone do not account for barrier function Summary: activities and protein content. CaCl2 was added to a final concentration of 30 mM, and after 15 min on ice... for the...

458

E-Print Network 3.0 - activates crac channels Sample Search Results  

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and Medicine 16 Supplementary Table 1. Solutions for whole-cell recording Name NaCl CaCl2 MgCl2 Glucose HEPES Summary: activates Ca2+ influx through CRAC channels in S2 cells....

459

E-Print Network 3.0 - activity job demand-control Sample Search...  

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search results for: activity job demand-control Page: << < 1 2 3 4 5 > >> 1 Search for Jobs Published on: 5262010 Page 1 Summary: Search for Jobs Published on: 5262010 Page 1...

460

E-Print Network 3.0 - active ingredient aripiprazole Sample Search...  

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Chancery Lane, London WC2A 1HR, UK www.ip-pragmatics.com Summary: active ingredient from UV degradation and allows for visual monitoring of formulation application... Improved...

Note: This page contains sample records for the topic "activity water-gas samples" from the National Library of EnergyBeta (NLEBeta).
While these samples are representative of the content of NLEBeta,
they are not comprehensive nor are they the most current set.
We encourage you to perform a real-time search of NLEBeta
to obtain the most current and comprehensive results.


461

E-Print Network 3.0 - active ingredient clotrimazole Sample Search...  

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Chancery Lane, London WC2A 1HR, UK www.ip-pragmatics.com Summary: active ingredient from UV degradation and allows for visual monitoring of formulation application... Improved...

462

E-Print Network 3.0 - aripiprazole active ingredient Sample Search...  

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Chancery Lane, London WC2A 1HR, UK www.ip-pragmatics.com Summary: active ingredient from UV degradation and allows for visual monitoring of formulation application... Improved...

463

E-Print Network 3.0 - active vertical fin Sample Search Results  

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Summary: active to tilt the caudal fin at an angle to the vertical 26. In some fish, especially those known... . Low-aspect ratio pectoral fins in sharks function to alter...

464

E-Print Network 3.0 - activation induced cytidine Sample Search...  

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1 SESS: 21 OUTPUT: Mon Oct 25 11:53:41 2010 SUM: 7B76E294 v2451blackwelljournalsnurev68is2nure344 Summary: (and not by the enzyme's activity, per se.). Since the...

465

E-Print Network 3.0 - alkali activated fly Sample Search Results  

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activated fly Page: << < 1 2 3 4 5 > >> 1 Technical Report Documentation Page 1. Report No. Summary: Concrete, Coal Combustion By-Products, Fly Ash, High-Volume Fly Ash Concrete,...

466

E-Print Network 3.0 - anomalous functional activity Sample Search...  

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Harvard University Collection: Biology and Medicine 67 Anomaly Detection using Process Mining Fabio Bezerra1 Summary: of activities A, B, C, D, so this model will never be able...

467

E-Print Network 3.0 - active methylene groups Sample Search Results  

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of Technology Collection: Chemistry 84 1,4-Dimethyl-l,4,5,6-hexahydro-l,2,3,4-tetrazine. A Cyclic cis-2-Tetrazene Summary: ) are described. The decrease in activation...

468

E-Print Network 3.0 - activity fluid intake Sample Search Results  

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between CT activity and salt intake in male... , Striegel-Moore, & Rodin, 1998; Stricker et al., 1991). NaCl intake may compensate for the fluid... (Danielson & Buggy, 1979;...

469

E-Print Network 3.0 - activities improved water Sample Search...  

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4 5 > >> 1 Water Resources Water Quality and Water Treatment Summary: to the states for rural water supply and sanitation activities. Ministry of Agriculture (MoA) is involved......

470

E-Print Network 3.0 - active trivalent ions Sample Search Results  

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trivalent. 1.INTRODUCTION It is well known that the compoundsRBa2Cu307 (RY or rare earth ion... are redox active, and can be found in their trivalent and tetravalent oxidation...

471

E-Print Network 3.0 - activated cerebral blood Sample Search...  

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cerebral blood Page: << < 1 2 3 4 5 > >> 1 2 Basic Anatomy and Physiology of the Human Brain Summary: and bacterial substances and, through the activity of its sweat glands and...

472

E-Print Network 3.0 - active photonic crystal Sample Search Results  

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vertical radiation using a two-dimensional photonic crystal in a semiconductor light-emitting diode Summary: the active material. The photonic crystal is also used to couple pump...

473

E-Print Network 3.0 - apparent activation energy Sample Search...  

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FY2004 budget that seems most baffling is its apparent... as well as other burning plasma research activities. 2. The study of future energy systems is a central... March 5, 2003...

474

E-Print Network 3.0 - active vibration control Sample Search...  

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procedures were programmed in the control system of the vibrator... ,22,25) the transmissibility of vibration is affected by body posture,(17-19,21,25) muscle activity,(26,27)...

475

E-Print Network 3.0 - active-sterile neutrino oscillations Sample...  

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Collection: Physics 8 arXiv:hep-ph0608147v113Aug2006 NUHEP-TH06-06 Neutrino Phenomenology of Very Low-Energy Seesaws Summary: by the addition of active-sterile neutrino...

476

E-Print Network 3.0 - ahr transcriptional activity Sample Search...  

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are Summary: -A1 and UGT1-06 (1, 2). In response to halogenated- dibenzo-p-dioxins, AHR activation results... of recombinant Ahr and Arnt alleles, we have shown that...

477

E-Print Network 3.0 - activate mapks ap-1 Sample Search Results  

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j.cub.2010.01.019 MAPK Substrate Competition Summary: on transcriptional activity of Bcd and provide evidence suggesting that Bcd, a direct substrate of MAPK, decreases... of...

478

E-Print Network 3.0 - activates dna damage Sample Search Results  

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23, 1998, Copyright 1998 by Cell Press Reconstitution of an SOS Response Pathway Summary: BCD enzyme facilitates the formation of an activeSummary RecA nucleoprotein filament on...

479

E-Print Network 3.0 - activated sludge bacterial Sample Search...  

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for: activated sludge bacterial Page: << < 1 2 3 4 5 > >> 1 Selective hydrolysis of wastewater sludge Part 1, September 2007 Summary: is a traditional build plant base don the...

480

E-Print Network 3.0 - activity selenium speciation Sample Search...  

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of the world. Selenium is a COPC as a result of activities conducted by a wide variety of industrial sectors... refineries); it is found in organic-rich shales that are source...

Note: This page contains sample records for the topic "activity water-gas samples" from the National Library of EnergyBeta (NLEBeta).
While these samples are representative of the content of NLEBeta,
they are not comprehensive nor are they the most current set.
We encourage you to perform a real-time search of NLEBeta
to obtain the most current and comprehensive results.


481

E-Print Network 3.0 - abrogate transactivational activity Sample...  

Broader source: All U.S. Department of Energy (DOE) Office Webpages (Extended Search)

for transcriptional activation of ODC-CAT The amino-terminal transactivation domain (TAD) of c-Myc has been shown... in either transactivation or transrepression of an ODC-CAT...

482

E-Print Network 3.0 - activity quantitative estimates Sample...  

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activity- concentration ratio, b, was varied from 1 to 12. With r26cm, SPECT projection data for spheres... a scatter-estimate image from triple energy windows. Results:...

483

E-Print Network 3.0 - activation reaction cross Sample Search...  

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and Stochastics Collection: Mathematics 8 Vol. 31 (2000) ACTA PHYSICA POLONICA B No 2 NUCLEAR REACTIONS IN THE STARS Summary: with the low cross section or with activity of the...

484

E-Print Network 3.0 - active frequency selective Sample Search...  

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filter must have one or more poles at zero. For this reason active filters... EE3.02A04 Instrumentation 6. Frequency generation and measurement CP ... Source: Papavassiliou,...

485

E-Print Network 3.0 - activation test locations Sample Search...  

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and Information Sciences 45 Power-Aware Test Planning in the Early System-on-Chip Design Exploration Process Summary: test application leads to higher activity during the testing...

486

E-Print Network 3.0 - active marrow absorbed Sample Search Results  

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Biology and Medicine 91 Radiotherapy and Dosimetry of 64 Cu-TETA-Tyr3 Summary: MIRD techniques, and S-values (mean absorbed dose per unit cumulative activity) for 64 Cu...

487

E-Print Network 3.0 - active capsule endoscope Sample Search...  

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is usually activated... the illuminated field using the LED endo-illuminator or an arc-lamp based endoscope in terms of uniformity, shadow... organs. Never- theless, the light...

488

E-Print Network 3.0 - activity-dependent bulk endocytosis Sample...  

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results for: activity-dependent bulk endocytosis Page: << < 1 2 3 4 5 > >> 1 VESICLE RECYCLING AT RIBBON SYNAPSES IN THE FINELY BRANCHED AXON TERMINALS OF MOUSE RETINAL BIPOLAR...

489

E-Print Network 3.0 - active galactic nuclear Sample Search Results  

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Pulsars... you'd . . . Active Galactic . . . X-ray binaries Pulsars and relatives Gamma-ray bursts Gravitational... 2 of 36 Go Back Full Screen Close Quit 1. Introduction to the...

490

E-Print Network 3.0 - active galactic nucleus Sample Search Results  

Broader source: All U.S. Department of Energy (DOE) Office Webpages (Extended Search)

Pulsars... you'd . . . Active Galactic . . . X-ray binaries Pulsars and relatives Gamma-ray bursts Gravitational... 2 of 36 Go Back Full Screen Close Quit 1. Introduction to the...

491

E-Print Network 3.0 - active rap2 transgenic Sample Search Results  

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by Pseudomonas syringae type III effectors and coronatine Summary: genes in P. syringae pv. phaseolicola do not activate RAP2.6 promoter. RAP2.6-LUC transgenic plants were......

492

E-Print Network 3.0 - activation cross-section library Sample...  

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at Los Angeles Collection: Plasma Physics and Fusion 5 Fusion Engineering and Design 18 (1991) 387-395 387 North-Holland Summary: with the new activation cross-section...

493

E-Print Network 3.0 - active intracellular trafficking Sample...  

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of the tilapia... CaRs point to a juxtamembrane a-helical segment (G protein-mediated PLC and MAPK cascade activation Source: Loretz, Christopher A.- Department of Biological...

494

E-Print Network 3.0 - activated ras signalling Sample Search...  

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Collection: Biology and Medicine 5 R342 Dispatch Ras effectors: Buying shares in Ras plc Summary: . In this state, Ras is consti- tutively active and can transmit signals for...

495

E-Print Network 3.0 - activating inhibitory muscarinic Sample...  

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to the increased firing activity, closure can PIP2 K+ X agonistM1-mAChR Gq PLC DAG IP3 PIP2 A B C muscarine 3 min1... Postsynaptic inhibitory action and K+ current...

496

E-Print Network 3.0 - active vibration isolation Sample Search...  

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Control Conference... , June 30-July 2, 2004. 27. Lei Zuo and Samir Nayfeh, An Active-Passive Stage for Vibration Isolation... Engineering, March 2004. 29. Lei Zuo and Samir...

497

E-Print Network 3.0 - activation analysis principles Sample Search...  

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4 5 1 emerging Principles: The U of R Campus will 12;Actively lead... May 11, 2010 Open House Presentation 12;where we re at consolidated outcomes: vision ... Source: Argerami,...

498

E-Print Network 3.0 - active surveillance study Sample Search...  

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systems... 15. Vogt RL , LaRue D , Klaucke DN , Jillson DA Comparison of an active and passive surveillance... Euro Surveill. Author manuscript Page 1 9 Survey of European...

499

E-Print Network 3.0 - activated zinc sulfide Sample Search Results  

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the Initial Reports and Scientific Results portions of Vol- Summary: -14 active zones, geology, A:18-19 age sulfides, B:111-117 vs. uranium content, B:113-114 alteration...

500

E-Print Network 3.0 - activates multiple signaling Sample Search...  

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2002 S. K. Mitra1 Signals and Signal ProcessingSignals and Signal Processing Summary: (ECG) Signal - Represents the electrical activity of the heart A typical ECG signal is...