... membrane hydration and avoidance of water flooding in the cathode catalyst layer and/or gas diffusion layer [2] Water management is related with air supply to the cathode and is one of the crucial ... solving the steady-state Navier-Stokes equations, i.e the continuity equation, the mass conservation equation for each phase yields the volume fraction (r ) and along with the momentum equations the ... mechanical, thermal, and electrical contact between the central parts of the gas diffusion backing and Membrane-Electrode-Assembly (MEA) 2.2 Model equations 2.2.1 Air and fuel gas flow In natural...
Ngày tải lên: 05/09/2013, 14:58
... caused by the drastically decreased rate of primary cleavage of RNase A (Fig 4), as discussed below As a consequence of the breakdown of the tertiary structure of RNase A in concentrations of trifluoroethanol ... chemicals were the purest ones commercially available Determination of RNase A concentration The protein concentration of RNase A stock solution was determined by using the molar absorption coefficient ... Fig was obtained by relating these values to the value determined for 0% trifluoroethanol Analytical ultracentrifugation Analytical ultracentrifugation was carried out on a Beckman Optima XL -A ultracentrifuge...
Ngày tải lên: 22/02/2014, 07:20
the effect of monetary incentive on effort and task performance a study of vietnamese company
... basic for calculation of manager’s contractual pay-off They are also the basic to determine the reward and punishment for their’ performance The managers’ and accountants’ remuneration package will ... Goizueta, CEO of Coca-Cola, a total of $111.8 million which consisting of annual salary, bonuses, and long-term compensation This was also one of the most well-paid monetary incentive packages in the ... higher than his basic salary In these cases, the success of these companies was based on the fact that monetary incentive has played an important role in encouraging the board of management on performance...
Ngày tải lên: 13/03/2014, 14:20
báo cáo hóa học:" The effect of muscle contusion on cortical bone and muscle perfusion following reamed, intramedullary nailing: a novel canine tibia fracture model" docx
... level, load application time, and contact area for each animal Therefore, a standardized static load approach was used in this investigation The comparative nature of the study may allow the present ... Toronto, ON, Canada 4Martin Orthopaedic Biomechanics Lab, St Michael’s Hospital, Toronto, ON, Canada 5Department of Surgery, Faculty of Medicine, University of Toronto, Toronto, ON, Canada Authors’ ... nailing of a tibial fracture This study was able to take some initial steps in the creation of a model which can lead to further assessment of the effects of muscle contusion on fracture healing...
Ngày tải lên: 20/06/2014, 04:20
báo cáo hóa học:" The effect of muscle contusion on cortical bone and muscle perfusion following reamed, intramedullary nailing: a novel canine tibia fracture model" potx
... level, load application time, and contact area for each animal Therefore, a standardized static load approach was used in this investigation The comparative nature of the study may allow the present ... Toronto, ON, Canada 4Martin Orthopaedic Biomechanics Lab, St Michael’s Hospital, Toronto, ON, Canada 5Department of Surgery, Faculty of Medicine, University of Toronto, Toronto, ON, Canada Authors’ ... nailing of a tibial fracture This study was able to take some initial steps in the creation of a model which can lead to further assessment of the effects of muscle contusion on fracture healing...
Ngày tải lên: 20/06/2014, 07:20
Báo cáo y học: "Modeling the effect of levothyroxine therapy on bone mass density in postmenopausal women: a different approach leads to new inference" pot
... LT4 therapy It is desired to find the value of BMD as a function of the duration and the dose of LT4 therapy Any remaining factor can be regarded as a special case of a variable with unchanging ... initial draft VH, SMT and BL identified the clinical data and coordinated general edits and preparation of the final manuscript All authors read and approved the final manuscript Page of 11 (page number ... numerical values, or in other word as a constant Topological considerations The numerical value of bone mass density is determined by measurement The range of the variable may differ depending on the...
Ngày tải lên: 13/08/2014, 16:21
Báo cáo y học: "A systematic review of randomized controlled trials exploring the effect of immunomodulative interventions on infection, organ failure, and mortality in trauma patient" ppt
... and EMBASE databases and the Cochrane CENTRAL Register of Controlled Trials The search syntax included synonyms of trauma (trauma*, injur*), immunomodulation (immun*, inflammat*), and clinical ... suggesting attenuation of SIRS, CARS, or both (Table 3) Only monoclonal antibodies against CD18 [23] exacerbated SIRS and hypertonic saline with dextran had a mixed effect on CARS [27] Significant changes ... criteria; and outcomes were compared on an intention-to-treat basis Data abstraction Data abstraction was completed independently The studies were searched for patient characteristics (number, age,...
Ngày tải lên: 13/08/2014, 21:21
black and kim - 2011 - the effect of board structure on firm value - a multiple identification strategies approach using korean data [kcgi]
... workshops at Asia Finance Association 2007 Annual Meeting (where this paper received the Pacific Basin Award for best paper presented at the conference), American Law and Economics Association Annual ... committees, corporate governance, board of directors JEL classification: G32, G34, G38 † We thank Vladimir Atanasov, Shantanu Banerjee, Ryan Bubb, Jay Dahya, Sadok El Ghoul, Assaf Hamdani, Jay Hartzell, ... Canadian Law and Economics Association 2007 Annual Meeting, Columbia Law School Conference on Mel Eisenberg's The Structure of the Corporation: Thirty Years Later (2006), European Financial Management...
Ngày tải lên: 06/01/2015, 19:48
Biomass fueling of a SOFC by integrated gasifier: Study of the effect of operating conditions on system performance
... Depending on the design, gasification may be autothermal or allothermal whereas the SOFC may be operated under different fuel utilization conditions To the aim of sustaining the gasifier operation and ... energy balance, along with elemental balances, equilibrium constants, and further chemical reactions such as methane formation and water gas shift reactions, constitute a three non-linear equation ... law DEACT ¼ ACAT $ln Jt J0 CAT Jt þ AAN $ln J0 AN where the cathode gives the main contribution, and ACAT/AAN are defined as ACAT ¼ AAN ¼ RT 2FgCAT RT 2FgAN Exchange current density values...
Ngày tải lên: 29/07/2016, 14:02
Indoor tests to investigate the effect of brine depth on the performance of solar still
... supply a total current of 4.5 A, a voltage of 220 V and a total power flux of approximately 1000 W/m² to simulate the solar radiation intensity A variac was used to regulate the input voltage to the ... replacing the power input from solar radiation by suitable variable heating system The indoor tests allow a greater control on the input power and eliminate many factors that may affect the accuracy of ... Mallikarujanan KVS, and Karthikeyan N Concentrated Parabolic Solar Distiller with latent heat storage capacity International Journal of Chemical Engineering and Applications (2011) 185-188 [2] Horace...
Ngày tải lên: 05/09/2013, 16:10
The effect of EGR rates on NOX and smoke emissions of an IDI diesel engine fuelled with Jatropha biodiesel blends
... G.S., Bhat A. K Analysis of performance and emissions of a naturally aspirated stationary DI diesel engine with exhaust gas recirculation 2009 [Online] Available at: http://ssrn.com/abstract=1355005 ... Environmental Protection Agency Available at: http://www.epa.gov/climatechange/endangerment/downloads/Endangerment%20TSD.pdf Agarwal A. K., Rajamanoharan K Experimental investigations of performance ... kg of oil per hectare [2] 1.1 Jatropha Curcas Jatropha plant can grow in waste lands and consumes less water Furthermore, biodiesel produced from Jatropha has advantages compared to conventional...
Ngày tải lên: 05/09/2013, 16:11
Tài liệu The effect of economic growth on my city pdf
... Lục Văn Hai_Trung-Anh strongly, and many buildings and big houses are grown up a lot.Morever, the growth of economy has given a lot of advantages by making people richer, healther, and freer ... richer, healther, and freer to enjoy their lives.I always pride of my city whenever I talk about him.I wished that could work at my hometown after finishing at university ...
Ngày tải lên: 18/01/2014, 07:20
Tài liệu New Estimates on the Effect of Parental Separation on Child Health ppt
... of the participants would have been had they not enroll in the program Since data on the counterfactual are typically unavailable in observational data, one needs to rely on the behavior of the ... estimated effect of parental separation is the average of the typical effect of treatment on the treated only, and the differences in their outcomes are taken as driven only by their treatment status ... R., and S Wahba “Causal Effect in Nonexperimental Studies: Reevaluation of the Evaluation of Training Programs.” Journal of the American Statistical Association, 94(488), 1999, 1053–62 Drewianka,...
Ngày tải lên: 12/02/2014, 11:20
Tài liệu Báo cáo " The effect of cobalt substitution on structure and magnetic properties of nickel ferrite " pptx
... of materials, the second term can take part of several tens percent of HC and the last one whereas can only reach several hundreds of gauss Thus, the increasing of Co-concentration led to the ... sites may result in an increasing magnetic moment per formula of Ni1-xCoxFe2O4 and equivalently, an enhancement of magnetization [7] .The dependence of saturation magnetization Ms as a function of ... the saturation magnetization of Niferrite which may be due to the substitution of Ni2+ ions by Co2+ on the octahedral sties Therefore, the increasing Co2+ concentration (x) on the octahedral sites...
Ngày tải lên: 13/02/2014, 04:20
Tài liệu Báo cáo khoa học: "The Effect of Pitch Accenting on Pronoun Referent Resolution" ppt
... when a pitch accent is applied to a pronominal, its main effect is attentional, on the order of items in Cf; (2) the obligation to accent a pronominal for attentional r~asons depends on the variance ... centered and therefore, attentionally salient (2) Pitch accents on pronominals are primarily interpreted for what they say about attentional salience One determiner of whether attentional or propositional ... Marilyn W Friedman, and Carl J Pollard A Centering Approach to Pronouns Proceedings of the 25th Conference of the Association for Computational Linguistics, 1987 Janet Cahn The Effect of Intonation...
Ngày tải lên: 20/02/2014, 22:20
Báo cáo " Research on the effect of urban expansion on agricultural land in Ho Chi Minh City by using remote sensing method " ppt
... and location of urban expansion in compared with loss of agricultural land; an image of urban‐residential area was extracted from each original land cover image. The urban expansion ... agricultural land has happened in the areas with available infrastructure, near main roads, in the gateway areas of the city, especially in the areas planned for residential, ... the drainage, but constructing and concretization process made flow to convergent narrow sewerages; or the altitude raise of new urban areas caused concentration of water flow ...
Ngày tải lên: 14/03/2014, 15:20
THE EFFECT OF BONUS SCHEMES ON ACCOUNTING DECISIONS* pdf
... and accruals to maximize the value of their bonus awards These schemes appear to be an effective means of influencing managerial accrual and accounting procedure decisions There is a strong association ... proportion of observations fulfilling each condition Mean accruals, deflated by the book value of total assets at the end of each company-year 1° are also displayed for 1°Accruals are also deflated ... from bonus awards The choice of discretionary accruals affects his bonus award and the cash flows of the firm I assume that these cash effects are financed by stock issues or repurchases and, therefore,...
Ngày tải lên: 15/03/2014, 16:20
The effect of annealing conditions on the red photoluminescence of nanocrystalline Si/SiO films
... that at temperatures below 450 8C the formation rate is decreased and the saturation concentration of TDs is less than that for a 450 8C thermal treatment Above 450 8C the saturation concentration ... increases with annealing time, then reaches a maximum, and finally decreases w34x (3) The important factors that control the formation of TDs are the annealing temperature and annealing time Detailed ... the effects of annealing conditions on the PL approximately 1.75 eV (in the third stage) 177 Fig The peak energy as a function of FG annealing times at annealing temperatures of (a) 200, 300 and...
Ngày tải lên: 16/03/2014, 15:31
Báo cáo khoa học: The effect of HAMP domains on class IIIb adenylyl cyclases from Mycobacterium tuberculosis pptx
... members of the class IIIb AC family Characteristics of class IIIb ACs include the substitution of a threonine for the canonical substrate-specifying aspartate and an arm region extended by one residue ... catalytic centers (Table 1) Taken together it appears that the HAMP regions modulate the AC activity of the CHDs in a rather distinct manner Next we examined the role of the HAMP region by targeting ... question concerns the role of the HAMPregion and the membrane anchors in AC regulation So far, HAMP domains coupled in a similar manner with AC catalysts have been detected in the genomes of a variety...
Ngày tải lên: 23/03/2014, 12:20