4theoretical study of staged membrane reactor performance

... to progress has been the use of unreliable methods to isolate membrane rafts The conventional protocol, irrespective of the type of membrane, has been to recover a membrane fraction that survives ... component of membrane rafts irrespective of the isolation method [6,17] A third type of lipid enriched in membrane rafts are the glycosphingolipids [18] Because the molecular species of sphingolipids ... of long-chain molecular species of lipids in coupling domains of bilayer structures [24,25] The role of these long-chain molecular species has now been reassessed in the light of the action of...

Ngày tải lên: 15/03/2014, 23:20

... images of (a) clean membrane, (b) membrane fouled at initial flux of 2.0×10-5 m/s and recovery of 55%, (c) membrane fouled at initial flux of 2.0×10-5 m/s and recovery of 70% and (d) membrane ... TABLE OF CONTENTS TABLE OF CONTENTS ACKNOWLEDGEMENT i SUMMARY vi TABLE OF CONTENTS iii LIST OF TABLES iii LIST OF FIGURES x LIST OF ABBREVIATIONS ... EXPERIMENTAL STUDY OF RO MEMBRANE ORGANIC FOULING FOR WASTEWATER RECLAMATION ZHAO YAN (M.E., Harbin Institute of Technology, Harbin, P.R China) A THESIS SUBMITTED FOR THE DEGREE OF DOCTOR OF PHILOSOPHY...

Ngày tải lên: 12/09/2015, 11:05

... respectively He is a professor of School of Energy and Environment, Hebei University of Technology Since from 2005, he has taken as the dean of School of Energy and Environment of HBUT His work focus ... associate professor of School of Energy and Environment, Hebei University of Technology His work focus mainly on heat and mass transfer related with renewable energies, HV&AC, and energy saving of buildings ... the performance improvement of the present TED In contrast, the COP of conventional dehumidifiers usually ranges from 0.7 to 1.3 [15] On the other hand, at present the figure of merit (ZT) of...

Ngày tải lên: 05/09/2013, 16:10

... History of the U.S Airline Industry Industry Structure Background of the Study Statement of the Problem Purpose of the Study 14 Research Questions 16 Hypotheses 17 Significance of the Study 18 ... firm performance in the U.S domestic scheduled passenger airline industry Organization of the Study The remainder of this study is divided into four chapters Chapter consists of a review of relevant ... indicator of firm performance although it is not a comprehensive indicator of CEO performance The authors argue that this indicator is a more precise measure of CEO performance than accounting performance...

Ngày tải lên: 11/09/2013, 11:44

... language to improve the performance of PRF However, we make use of a second language to improve the performance of PRF Our proposed approach is especially attractive in the case of resource-constrained ... English as the assisting language This fact inspired us to study the effect of any source-assistant pair on PRF performance from out of a set of languages with widely different characteristics, viz., ... synonyms of the query words, are found thus resulting in improved performance (c) Combination of Above Factors: Sometimes a combination of the above two factors causes improvements in the performance...

Ngày tải lên: 20/02/2014, 04:20

... after-tax profits of the previous year, percentage of after tax profits after adjustment for dividends paid, percentage of pre-tax profits for the previous year, percentage of division’s profit for the ... that 161 out of 177 companies used at least one measurement of accounting profits in their annual bonus plans The study of Larker and Rajan (1992-1993) also showed that 312 out of 317 U.S companies ... of employees to work in pursuit of the common goals It also helps to ensure that all employees focus on profitability that is the reason of the existence of the companies However, opponents of...

Ngày tải lên: 13/03/2014, 14:20

... research In my study, existing quality of knowledge is enhanced base on the effectiveness of globalization in some ways and the impact of analysis of financial statement on the boards of managers ... statements 2.3 The nature of globalization 2.4 The impact of globalization on the financial performance of Vietnamese‟s company; a typical example is LCC‟s financial performance 2.1 A general ... promote the development of economy in the world 2.4 The impact of globalization on the financial performance of Vietnamese’s company; a typical example is LCC’s financial performance Globalisation...

Ngày tải lên: 13/03/2014, 14:20

... effects on both the membrane- bound and the solubilized forms Effects of pressure on ¯uorescence probes Fig E€ect of pressure on the intensity and kmax of intrinsic ¯uorescence of membrane- bound Na+/K+-ATPase ... of transmembrane a helices, and a separation in the contact surface of membrane and protein due to the thickening and shrinkage of lipid bilayer For the last case, a quantitative estimation of ... transmembrane protein, is disrupted and fragmented resulting in the destruction of the organized structure of protein and lipid bilayer The pressure-induced destruction of a biomembrane composed of...

Ngày tải lên: 24/03/2014, 00:21

... Purpose of Study 10 1.6 Research Question and Hypotheses 11 1.7 Definition of Terms 14 1.8 Limitations of the Study 16 1.9 Significance of the Study ... 90 4.3.5 Calculation of Mean and Application of Statistical Tests 91 4.4 Presentation of Descriptive Characteristics of Datasets 94 4.5 Summary of the Analysis of Data 100 ... the study tested the following two hypotheses: Hypothesis 1: H0: The mean value of risk (beta) of the group of Top Sustainability reporters was greater than or equal to the mean value of risk of...

Ngày tải lên: 03/06/2014, 00:48

... The number of slices of the floating-point adder varies from 31% (FP12: 173/556) to 45% (FP32: 486/1077) of the total size of the neural network as shown in Table 4.1.3 Power The results of power ... applications The result of Table is used in the second column (FPU64(PC)) of the Table 10 Table 10 shows the detection rate error (i.e., |detection rate of FPU64 (PC software)—detection rate of reducedprecision ... error equation of the first layer (15) and the error equation of the second layer (21) are different However, the error equation of the second layer (21) and the error equation of the other layers...

Ngày tải lên: 21/06/2014, 20:20

... the focus of more recent quality measurement research (e.g., see [12, 32]) Conclusions We have investigated the effects of wireless-VoIP degradation on the performance of three state -of- the-art ... and conventional VoIP degradation conditions Performance of ITU-T Standard Algorithms In this section, two methods are used to assess the performance of PESQ, P.563, and the extended E-model for ... described in Section 3.1 The first method, based on analysis of variance tests, investigates the performance sensitivity of current state-ofthe-art algorithms to different wireless-VoIP degradation...

Ngày tải lên: 21/06/2014, 20:20

... a potential of À1200 mV All tests were performed at a temperature of 25 8C An outline of these cell preparation processes is also shown in Fig 2.4 EC-AFM observation with oxidation of the electrodes ... potentials were recorded at intervals of 20 ms throughout the course of the oxidation An EC-AFM study was again made at open-circuit to observe the change in morphology of the electrode surface A similar ... developed an understanding of the mechanism of the lignin that is based on both an adsorbed form of the lignin on the electrode surface and its in¯uence on the diffusion of lead ions during the...

Ngày tải lên: 05/07/2014, 20:21

... focus of this essay is on value creation from operating performance where Steven Kaplan published one of the first and most influential papers in 1989 In a study of 76 large management buyouts of ... (Gujarati 2006) 17 Previous research of relevance for this study Research on private equity has mainly focused on returns in the form of internal rate of return, operating performance, financial engineering ... improved profitability therefore ROA is anticipated to increase Moreover, ROOC is likely to increase as reduction of agency cost of free cash flow includes reduction of wasteful spending If any of the...

Ngày tải lên: 18/08/2014, 12:58

... focus of this essay is on value creation from operating performance where Steven Kaplan published one of the first and most influential papers in 1989 In a study of 76 large management buyouts of ...  description     Manufacture of  food  products   Manufacture of  wood  and of  products of   wood  and  cork,  except  furniture;   manufacture of  articles     Manufacture of  paper  and  paper ... improved profitability therefore ROA is anticipated to increase Moreover, ROOC is likely to increase as reduction of agency cost of free cash flow includes reduction of wasteful spending If any of the...

Ngày tải lên: 18/08/2014, 12:59

... A Performance Study of XML Query Optimization Techniques A dissertation submitted to the Division of Research and Advanced Studies of the University of Cincinnati in partial fulfillment of the ... requirements for the degree of DOCTOR OF PHILOSOPHY in the Department of Computer Science of the College of Engineering November 2009 by Bartley Douglas Richardson B.S., University of Cincinnati June ... in a simple summation of the lengths of the streams Ti for all children of x In the worst-case scenario, the algorithm would need to look through all of the nodes in all of the streams Ti to find...

Ngày tải lên: 30/10/2014, 20:00

... financial performance measured by ROA in 2004, that is, the ratio of profit to assets, reflecting the asset utilization of each firm ROA is an accounting based measure of financial performance ... two schools of thought on this issue According to one point of view, environmental performance has a negative link with financial performance, causes extra costs and reduces a firm’s profitability ... and the intangible asset value of the Standard and Poor’s 500 list of Corporations This study demonstrated a significantly positive effect of these two environmental performances on a firm’s intangible...

Ngày tải lên: 26/03/2015, 08:42

... contestants’ performance The findings from the study hopefully would be a source of assistance in understanding between the two cultures American and Vietnamese II AIMS OF THE STUDY The aims of the study ... potential interactants of international communication III SCOPE OF THE STUDY The study is focused on the verbal aspect of the act of giving comments by judges on contestants’ performance after live ... Jackson VI DESIGN OF THE STUDY The thesis consists of three parts Part A: INTRODUCTION This part includes the rationale, aims, scope of the study, methodology and design of the study Part B: DEVELOPMENT...

Ngày tải lên: 10/08/2015, 19:48

... be 3-5 times of that post Outdoor test for the three regions of Si wafer (the centre of bottom surface, the edge of bottom surface, and the edge of top surface), while the ratio of Damp Heat ... thesis describes a study on the durability of different types of PV modules for terrestrial applications In the study, stressing and characterization tests were conducted on 10 types of commercially ... lifetime of PV modules From the different behaviours of the modules, certain solutions were derived to reduce the effects of such stressing on PV module performance The interactions of IV curve...

Ngày tải lên: 09/09/2015, 08:18

... phase stability of CGO-LBSFZ composites 135 7.3.2 Oxygen permeation performance of CGO-LSBFZ composite membranes 139 7.3.3 Performance of CGO-LBSFZ-2/Ni-based catalyst membrane reactor 144 7.4 ... dual-phase composite membranes were fabricated and studied The development of asymmetric membrane reactor and modification of membrane surface are important for the improvement of oxygen permeation ... two sides of the membrane Based on the different mechanism, MEIC membranes can be classified to single phase membrane and dual-phase membrane The single phase membrane is consisted of only one...

Ngày tải lên: 09/09/2015, 10:13

... HOLLOW FIBER MEMBRANE REACTOR FOR HIGH TEMPERATURE WATER GAS SHIFT REACTION Figure 8.1 Schematic diagram of catalytic hollow fiber membrane reactor Figure 8.2 SEM images of Al2O3-YSZ membrane support ... conditions of electroless plating bath of Pd x List of Figures LIST OF FIGURES CHAPTER LITERATURE REVIEW Figure 2.1 The equilibrium thermodynamic of high temperature WGS reaction of various steam ... Overview of catalytic membrane reactor (CMR) for pure hydrogen production …………………………………… 37 2.8.1 Studies of dense metal membrane ……………… 38 2.8.1.1 H2 transport mechanism ……………… 38 2.8.1.2 Pd membrane...

Ngày tải lên: 09/09/2015, 11:22