r 25 micro structured reactor plant for h 2 o 2 production
Novel design of a compacted micro-structured air-breathing PEM fuel cell as a power source for mobile phones
Ngày tải lên :
05/09/2013, 14:58
... occur in MEA are characterized These are potential losses due to electron transport through electrodes and potential loss due to proton transport through the membrane Ohmic overpotential is the ... layer is smaller than for the oxygen in cathode side due to the higher diffusivity of the hydrogen Thermal management is required to remove the heat produced by the electrochemical reaction in order ... ⎝ RT ⎠⎦ ⎣ ⎝ RT (22 ) ref where CH is local hydrogen concentration (mole/m3), CH is reference hydrogen concentration 2 3 ref (mole/m ), CO is local oxygen concentration (mole/m ), CO is reference...
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Novel design of a disk-shaped compacted micro-structured air-breathing PEM fuel cell
Ngày tải lên :
05/09/2013, 14:58
... with the gas phase in the direction of the pressure gradient, and capillary forces, which drive liquid water from high to low saturation regions [7] Therefore, the momentum equation for the liquid ... air where electrons flow into the bipolar plates The distributions exhibit gradients in both cell width and height directions due to the non-uniform local current production and show that ohmic ... each components of the cell, two types of ohmic losses that occur in MEA are characterized These are potential losses due to electron transport through electrodes and potential loss due to proton...
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Practical mod_perl-CHAPTER 25: Programming for mod_perl 2.0
Ngày tải lên :
07/11/2013, 09:15
... Chapter 25 : Programming for mod_perl 2. 0 This is the Title of the Book, eMatter Edition Copyright © 20 04 O Reilly & Associates, Inc All rights reserved ,ch25 .26 428 Page 725 Thursday, November ... filter chain data flow, in addition to the program control flow The arrows show when the control is switched from one filter to another, and the black-headed arrows show the actual data flow The ... subclasses, or you want to “cook” your own registry module, it can be done easily Refer to the ModPerl::RegistryCooker manpage for more information Here is a typical registry section configuration in mod_perl...
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Tài liệu Presentation - Tek Trend - IBMS & Structured Cabling System for Intelligent Bldg doc
Ngày tải lên :
16/01/2014, 21:20
... disorder • Ensuring QoS and error-free bandwidth Changes in networks for IP convergence Central Computing Printer Scanner Video Audio Printer Tower Intelligence Terminals Printer Laptop Mini-Computer ... Technology - General – Tenant amenities (concierge, visitor management, shopping, restaurants, lodging, parking, restrooms) – Optimized vertical transport – Personal comfort control (temperature, ... Contractors/Engineers System Manufacturers IBMS & Network for Intelligent Building IBMS Protocols • Current Building Management Systems are proprietary networks • 47 separate proprietary protocols...
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Báo cáo khoa học: Synthesis and characterization of a new and radiolabeled high-affinity substrate for H+/peptide cotransporters pdf
Ngày tải lên :
07/03/2014, 05:20
... Synthesis of Bip-Pro and Bip-[ 3H] Pro Boc-Bip-Pro-OtBu was prepared from Boc–Bip-OH and HPro–OtBuÆHCl using the mixed anhydride coupling method with isobutylchloroformiate After purification of the crude ... substrates or inhibitors of PEPT2 Constants were derived from competition curves such as those shown in Fig for Bip-Pro Parameters are shown ± standard error (n ¼ 4) Ki (lM) Compound Bip-[ 3H] Pro ... A, Moroder L & Toniolo C (20 02) Houben-Weyl Methods of Organic Chemistry, Vol E22a, 4th edn Georg Thieme Verlag, Stuttgart, New York FEBS Journal 27 4 (20 07) 5905–5914 ª 20 07 The Authors Journal...
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Báo cáo khoa học: Kinetic deuterium isotope effects for 7-alkoxycoumarin O-dealkylation reactions catalyzed by human cytochromes P450 and in liver microsomes Rate-limiting C-H bond breaking in cytochrome P450 1A2 substrate oxidation pdf
Ngày tải lên :
16/03/2014, 13:20
... (1994) Theory for the observed isotope effects on the formation of multiple products by different kinetic mechanisms of cytochrome P450 enzymes Biochemistry 33, 29 27 29 37 12 Ortiz de Montellano PR ... concentration of NADPH-P450 reductase [20 ] In earlier work, the laboratory of Lu and Miwa [10 ,21 ,22 ] reported high intrinsic kinetic deuterium isotope effects for Fig Oxidation reactions with coumarins ... Fisher MB, Jackson D, Kaerner A, Wrighton SA & Borel AG (20 02) Characterization by liquid chromatography-nuclear magnetic resonance spectroscopy and liquid chromatography-mass spectrometry of...
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Báo cáo khoa học: The transmembrane domain of subunitbof theEscherichia coli F1FOATP synthase is sufficient for H + -translocating activity together with subunitsaandc doc
Ngày tải lên :
23/03/2014, 13:20
... which is also present in chloroform/methanol /H2 O prior to reconstitution [13] This points to a more general than specific effect due to the use of organic solvent in protein preparation Furthermore, ... SDS/PAGE of samples taken directly for reconstitution Aliquots of lL were taken for electrophoresis prior to the addition of lipid in the reconstitution procedure Lane 1, buffer control; lane 2, FO (7 .2 ... complexes In addition, b1)34 was shown to be a monomer in chloroform/methanol /H2 O [17], which might produce nonfunctional antiparallel orientations of the resulting dimer during reconstitution...
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Báo cáo sinh học: " Novel data storage for H.264 motion compensation: system architecture and hardware implementation" pdf
Ngày tải lên :
18/06/2014, 22:20
... 15 col 16 31 row row row row row row row row row row row 10 row 11 row 12 row 13 row 14 row 15 col 31 col 16 8-bit pixel col col col col col col col col col col col 10 col 11 col 12 col 13 ... row row row row row row row 10 row 11 row 12 row 13 row 14 row 15 Figure col 31 col 16 8-bit pixel col col col col col col col col col col col 10 col 11 col 12 col 13 col 14 col 15 Frame ... the SDRAM memory all the data necessary for one block inter-prediction, the filtering operations are performed according to the standard (FIR filtering for luma, bi-linear interpolation for chroma)...
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báo cáo hóa học:" Novel data storage for H.264 motion compensation: system architecture and hardware implementation" doc
Ngày tải lên :
20/06/2014, 04:20
... 15 col 16 31 row row row row row row row row row row row 10 row 11 row 12 row 13 row 14 row 15 col 31 col 16 8-bit pixel col col col col col col col col col col col 10 col 11 col 12 col 13 ... row row row row row row row 10 row 11 row 12 row 13 row 14 row 15 Figure col 31 col 16 8-bit pixel col col col col col col col col col col col 10 col 11 col 12 col 13 col 14 col 15 Frame ... the SDRAM memory all the data necessary for one block inter-prediction, the filtering operations are performed according to the standard (FIR filtering for luma, bi-linear interpolation for chroma)...
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Báo cáo toán học: " R bits user selection switch feedback for zero forcing MU-MIMO based on low rate codebook" docx
Ngày tải lên :
20/06/2014, 20:20
... vector groups, so each orthogonal vector group is treated as one subcodebook Hence, the correlation threshold R is equal to zero Figure shows the throughput among SISO, perfect SCI feedback, conventional ... performance In sub-codebook groups, user can be paired with other (l − 1) vector, so USS information uses r bit(s) for each vector to show the MU-MIMO performance while user is paired with this ... and then the codebook is sharing with BS through feedback channel So, the large codebook number will also increase feedback overhead of codebook sharing, the computational complexity of codebook...
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Báo cáo toán học: " Novel data storage for H.264 motion compensation: system architecture and hardware implementation" pot
Ngày tải lên :
20/06/2014, 21:20
... processing delay for one output pixel calculation This requires of course a higher hardware usage Other articles choose a cache memory approach for tackling the MC problem in H. 26 4 decoders The ... operations are performed according to the standard (FIR filtering for luma, bi-linear interpolation for chroma) The MC’s results are also buffered into FIFOs Method results and comparison to existing ... memory rows to reach columns of pixels This last bottleneck, known as cross-row memory access, is a problem for both access time and power utilization The row precharge and row opening delay for...
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Báo cáo hóa học: " Investigation of pre-structured GaAs surfaces for subsequent site-selective InAs quantum dot growth" potx
Ngày tải lên :
21/06/2014, 05:20
... Khitrova, H Gibbs from the University of Arizona in Tucson, S Linden from the University of Bonn, M Wegener from the Karlsruhe Institute of Technology (KIT) for sample preparation Furthermore, ... suggests a hole depth of about 30 nm for this particular sample After reintroducing the pre -structured sample into the MBE chamber, the native oxide has to be removed prior to regrowth The Ga-assisted ... Deutsche Forschungs-gemeinschaft (DFG) and the State of Baden-Württemberg through the DFG-Center for Functional Nanostructures (CFN) within subproject A2.6 We thank our collaborators J Henrdrickson,...
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báo cáo hóa học:" R bits user selection switch feedback for zero forcing MU-MIMO based on low rate codebook" doc
Ngày tải lên :
21/06/2014, 17:20
... vector groups, so each orthogonal vector group is treated as one subcodebook Hence, the correlation threshold R is equal to zero Figure shows the throughput among SISO, perfect SCI feedback, conventional ... performance In sub-codebook groups, user can be paired with other (l − 1) vector, so USS information uses r bit(s) for each vector to show the MU-MIMO performance while user is paired with this ... and then the codebook is sharing with BS through feedback channel So, the large codebook number will also increase feedback overhead of codebook sharing, the computational complexity of codebook...
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Báo cáo hóa học: " Research Article Improved Intra-coding Methods for H.264/AVC" docx
Ngày tải lên :
21/06/2014, 22:20
... directly perform the operations similar to those at the encoder for recursive prediction As for mode 2, we first check whether the block is located at the upper or the left boundary of the frame ... well deblocked and provide more correct details for the subsequent blocks to find a good match The prediction error propagation through all the macroblocks is then well controlled The good compatibility ... textures within the block, which shows more promising performance under high bitrates Also the video contents would affect the performance of these two schemes due to the distribution of smooth regions...
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Báo cáo hóa học: " Research Article New Structured Illumination Technique for the Inspection of High-Reflective Surfaces: Application for the Detection of Structural Defects" doc
Ngày tải lên :
22/06/2014, 19:20
... light rays is used without measuring the deformation of the projected rays in the recording sensor, as this is achieved by deflectometric methods [13] We propose an algorithmic approach for the ... based on this illumination both structure and texture information can be retrieved in one camera recording without calibration of the recording hardware; to compare the proposed illumination with ... contrariwise to the above-cited methods, a precalibration step of the recording camera or the structured illumination is not necessary Therefore, the structure of the observed pattern is an important...
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Báo cáo hóa học: " Editorial Advanced Video Technologies and Applications for H.264/AVC and Beyond" ppt
Ngày tải lên :
22/06/2014, 23:20
... prioritized transmission of H. 26 4 layered coded video over wireless channels by using prioritized forward error correction coding or hierarchical quadrature amplitude modulation to achieve the ... an error-resilient unequal error protection method, the paper, “Error-resilient unequal error protection of fine granularity scalable video bitstreams,” by Cai et al proposes a packet loss protection ... transmission The guest editors would like to thank all the authors for their contributions We would also like to express our deep appreciation to the reviewers for their conscientious efforts in evaluating...
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Báo cáo hóa học: " Scalable Fast Rate-Distortion Optimization for H.264/AVC" docx
Ngày tải lên :
22/06/2014, 23:20
... an algorithm to sort the order of the MB coding modes for each MB to be coded according to their occurring probabilities Occurring probability of a coding mode is the probability that the mode ... 3.3 Correlation coefficient of RD cost Although RD cost varies largely for different modes, the RD cost of neighboring MBs and their colocated MBs in the reference frame is highly correlated This ... that some of the modes can be skipped in the RDO process The choice of early termination thresholds depends on the fixed mode order that is determined before the coding Note that in our algorithm,...
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