modeling of sorption and diffusion in microporous membranes

... concerning of CFD simulation of IDI engines have been discussed earlier by Pinchon [30] Three dimensional modeling of combustion process and soot formation in an indirect injection diesel engine using ... work includes study of three operating conditions of engine: base line, adiabatic and also adding EGR to the initial charge of adiabatic case at two load operating conditions: a full load and ... duration and in-cylinder pressure In order to study the part load condition, only the fuel injection timing and the amount of injected mass were changed than those of full load and the rest of the...

Ngày tải lên: 05/09/2013, 16:11

... Carlo and molecular dynamics have been used to elucidate the adsorption and diffusion phenomena of fluids in a wide variety of MOFs (1) The adsorption and diffusion of CO2 and CH4 were examined in ... 4.6 Adsorption isotherms of CH4 and CO2 in MFI, C168, and IRMOF-1 as a function of bulk pressure 67 Figure 4.7 Isosteric heats of adsorption of pure CH4 and CO2 in MFI, C168, and IRMOF-1 Legends ... or scissoring In MOFs, two processes may occur during adsorption of gas, namely gating and kinetic trapping Gating occurs when the porous structure changes during adsorption process, going from...

Ngày tải lên: 14/09/2015, 08:49

... experiments (generating sorption isotherms) and kinetics sorption studies were performed using single and binary metal solutions in surface samples of four soils from central Spain For comparisons ... isotherms of the metals from their single and binary solutions were constructed using the data obtained from the kinetic experiments and the resulting sorption data obtained from two additional initial ... concentration was sorbed in S1, S2 and S4, and 96% in S3 In contrast, under similar conditions, Cd sorption reached the 77% of the initial concentration in S1, S2 and S3, and 91% in S4 While these percentages...

Ngày tải lên: 15/03/2014, 23:22

... dependence of kinetic nanofriction We use the Einstein’s theory of Brownian motion to analyze the surface diffusion of the C60 admolecule on graphene, and show that the decrease of kinetic nanofriction ... barriers into account, to predict the diffusion coefficient as a function of temperature and hydrogen coverage Our findings provide insights into the understanding of the diffusive and frictional ... regimes of surface diffusion in C60/graphene system according to the effect of temperature and rotational degrees of freedom (DOFs) of the admolecule In the case of rotational C60 (the set of arrows...

Ngày tải lên: 08/09/2015, 17:49

... understanding biological processes in living animal models Combining FCS with confocal imaging technique enables investigation of biomolecular behavior and interactions in well-defined locations in ... The in vivo role of Wnt3 in neural development in proliferation and differentiation still needs to be assessed In summary, Wnt proteins are lipid modified signaling proteins and are crucial in ... monitor its behavior in living system To understand its function and signaling in details, it is of great practical meaning to investigate the system in the prospective of molecular dynamics...

Ngày tải lên: 09/09/2015, 08:12

... fluorine-containing PIs Hofman et al examined the sorption and diffusion of H2, O2 and N2 in PIs and poly(amide imide)s using Widom insertion and MD method, respectively [99] H2 exhibited predominantly ... reported in PIs Smit et al examined CO2 diffusion in 6FDA-4PDA and 6FDA-44ODA membranes and identified three types of motions (jumping, continuous, and trapped) in these PIs [92] The diffusion ... studied CO2 sorption and desorption in fluorinated PIs [101,102] Good agreement between simulation and experiment was obtained such as CO2 sorption and desorption and volume expansion of plasticized...

Ngày tải lên: 09/09/2015, 10:09

... Application of RCGA-ANN approach for modeling kerf width and surface roughness in CO2 laser cutting of mild steel Journal of the Brazilian Society of Mechanical Sciences and Engineering, 35(2), ... process, and some of the findings and possibilities of this cutting technology are summarized in a comprehensive review paper (Dubey & Yadava, 2008) Trang 2Of particular interest to companies using ... level, focusing the laser beam deep into the bulk of material is beneficial for obtaining small kerf taper angle However, when using laser power of 2 kW, cutting speed of 3 m/min and assist gas...

Ngày tải lên: 14/05/2020, 22:08

... 1Original Research Article https://doi.org/10.20546/ijcmas.2018.710.363 Nonlinear Modeling of Area and Production of Sugarcane in Tamil Nadu, India P Dinesh Kumar * , Bishvajit Bakshi and ... role in agricultural and industrial economy of the country It is cultivated in most of the states and though it covers an insignificant share in gross cropped area of the country, its share in ... area in India Currently in Tamil Nadu, 0.263 million hectares are under cane cultivation and this is increasing annually due to the increased consumption of sugar and also the growing demand from...

Ngày tải lên: 09/07/2020, 01:04

... is mainly divided in six parts: overviews of SOFC and conventional modeling approaches for DIR-SOFCs are summarized in General Introduction Investigation on electrochemical behavior of DIR-SOFC ... min–1 (fuel is the CH4-CO2-H2O-N2 mixture) (a): The profile of as a function of obtained in Step-I (b–g): Profiles of as a function of or obtained in Step-II ■ and ▲ are measured and ... flow rate of 100 mL min–1 (fuel is the CH4-CO2-H2O-N2 mixture) (a): The profile of as a function of obtained in Step-I (b–g): Profiles of as a function of or obtained in Step-II ■ and ▲...

Ngày tải lên: 28/01/2021, 19:04

... requirements engineering, implementation and fabrication, integration, testing, and manufacturing, the development of system architectures is an engineering subdiscipline of system engineering and should ... architecture and software engineering being increasingly critical to systems engineering, software architecture engineering by itself does not adequately cover system architecture engineering In addition ... rapidly incorporating increasing amounts of software, and this software incorporates increasingly sophisticated software technologies As illustrated in Figure 2.5, software is also being used...

Ngày tải lên: 28/06/2014, 22:20

... Engineering, University of Auckland, 1993 Michalewicz and Janikow, 1991 Zbigniew Michalewicz and Cezary Z Janikow Handling constraints in genetic algorithms In Proceedings of the Fourth International ... subjective considerations 6.3 Data Mining Large organisations routinely gather vast and ever-increasing amounts of data in the ordinary course of their business While the information is typically collected ... EPCC-TR94-05, Edinburgh Parallel Computing Centre, 1994 Goldberg and Lingle Jr, 1985 David E Goldberg and Robert Lingle Jr Alleles, loci and the traveling salesman problem In Proceedings of an International...

Ngày tải lên: 13/02/2014, 10:20

... visual information; thus, they can be more confident in interpreting, describing, and analyzing graphs and charts in the IELTS writing task Implications of the study Based on the findings of the ... (for linguistically demanding academic courses) or General Training (for less linguistically demanding academic courses) These two models have four parts: Listening, Speaking, Reading, and Writing ... necessary information of the learning and teaching during the course; hence, the suitable point of time to conduct the surveys is when the learners have finished training in IELTS writing task...

Ngày tải lên: 03/03/2015, 08:59

... combination of mechanisms for financing the grant allocations - replacing foregone credit reflows through additional donor financing, reducing the concessionality of IDA credits, and levying ... Additional financing by donors could be made up of upfront payments of the foregone service and commitment charges that reflect the cost of doing business to IDA and donors undertaking to finance ... DSAs and consequently of government revenue in determining debt indicators and their threshold values Similarly, studies should also be conducted on determining indicators and threshold values...

Ngày tải lên: 28/10/2013, 08:15

... Senegal, Swaziland, and Zimbabwe In the case of Burkina Faso and Swaziland a one per cent increase in the real interest rate would bring about large reductions in investment amounting to and 1.5 percentage ... working capital, and thus of net output An increase in deposit interest rates, is thus expected to increase holdings of financial assets (broad money) and hence working capital and output This increase ... real interest rate, saving and investment: that saving is positively related to the real rate of interest; that investment is determined by prior saving; and that the effect of the real rate of interest...

Ngày tải lên: 17/12/2013, 05:15

... Creating mental linkages B Applying images and sounds C Reviewing well D Employing action II Cognitive A Practising B Receiving and sending messages strategies C Analysing and reasoning D Creating ... Distributing and collecting questionnaires • Analyzing data from questionnaires • Indentifying emerging themes in the questionnaires • Formulating and revising the interview questions • Interviewing ... contribute indirectly to learning since they not lead directly to the obtaining, storing, retrieving, and using of language.” (Rubin & Wenden, 1987:23-27) 15 O’Malley and Chamot’s (1990) taxonomy Basing...

Ngày tải lên: 29/01/2014, 00:23

... observations, modeling, and communication of results; and the degree of success in linking and integrating research activities across the themes SUMMARY 13 Stewardship of Our Natural and Cultural ... suggestions included improving connectivity and linkages between themes and disciplines, expanding the context to include international efforts, emphasizing the impacts of climate change and the role of ... concept of cross-cutting themes used in the planning document should be reintroduced and moved toward the beginning of the plan as a way to reinforce the importance of these elements in creating...

Ngày tải lên: 17/02/2014, 06:20

... in writing from the publisher Engineering Mechanics - Statics Chapter Problem 2-27 The beam is to be hoisted using two chains Determine the magnitudes of forces FA and FB acting on each chain ... permission in writing from the publisher Engineering Mechanics - Statics Chapter Problem 2-15 Resolve the force F into components acting along the u and v axes and determine the magnitudes of the ... the magnitude of force F in this chain is a minimum All forces lie in the x-y plane.What is the magnitude of F ? Hint: First find the resultant of the two known forces Force F acts in this direction...

Ngày tải lên: 17/02/2014, 14:20

... several inches at the point where corpulency was the most prominent; and I am still losing weight and decreasing in size "3 I find that my skin is improving in texture, becoming softer, finer, and ... profession is wrong in their dosings and feedings?" I conclude these cases with an illustration Think of all this enforced feeding, of the doses to relieve, of the wasting of brain power, and ... the lines of science I now unfold a theory of my own of the origin and development of disease, and the development of cure, in which the physical changes involved in some of the processes are in...

Ngày tải lên: 17/02/2014, 22:20

... (for instance swabs, transport media and candle jars) • training laboratory technicians and building capacity for performing culture and AMR testing • increasing the availability of routine laboratory ... producing and disseminating standards for performing N. gonorrhoeae culture and AMR testing • working with WHO collaborating centres and other international and national reference centres to maintain ... outlines the policies and principles for the prevention and care of STIs, to offer guidance to ministry of health officials who have the responsibility of developing and implementing interventions for...

Ngày tải lên: 18/02/2014, 15:20

... matrix/adhesion protein, possibly necessary for development of a normal fetus and in regulating immune responses within the intestine Induction of fgl2 in macrophages in response to viruses results in the ... inspection of the region spanning )120 nucleotide to )40 nucleotide indicated many potential cis-acting elements, including Sp1, Ets, Stat3, Octamer [35] binding sites and AP1 sites (Fig 3) and ... transcription in diverse cells through interaction with a variety of partner DNA binding proteins, including Sp1 family members and Ets family members, as observed in the current studies [35,39] In the...

Ngày tải lên: 20/02/2014, 11:20