نتایج جستجو برای: adsorption and self
تعداد نتایج: 16921435 فیلتر نتایج به سال:
the importance of writing as a complex skill in applied linguistics has drawn the attention of many researchers to evaluate textbooks in order to help learners gain self-sufficiency and autonomy in the field of language use and communication. investigations have shown that developments in textbooks evaluation can promote the quality of pedagogies and consequently the learning. this study attemp...
phatic communion is a cultural concept which differs across cultures. according to hofstede (2001), the u.s. tends to have individualistic culture; however, asian countries tend to have collectivistic cultures. these cultures view phatic communion differently. in individualistic cultures like u.s., phatic communion reflects speakers’ socio-cultural relationships in conversations. to see whether...
We present a study using several techniques of the growth of decanethiol monolayers deposited on singlecrystal gold surfaces. Through independent measurements of coverage, energetics, and structure as a function of the growth rate and temperature, we provide a quantitative, in-depth description of the molecular processes by which these aliphatic molecules ‘‘self-assemble’’ into highly ordered s...
this study investigated how group formation method, namely student-selected vs. teacher-assigned, influences the results of the community model of teaching creative writing; i.e., group dynamics and group outcome (the quality of performance). the study adopted an experimental comparison group and microgenetic research design to observe the change process over a relatively short period of time. ...
abstract herbicides are the main sources of soil and water pollution in paddy fields. herbicides mobility to the surface and ground water is a major concern for human health and the environment. it is, therefore, necessary to investigate their fate and their interactions in natural ecosystems. to meet this purpose, field experiments were conducted to measure kinetic of thiobencarb dissipation i...
we have studied the adsorption processes of h2 on the v (100) surface of vanadium using self consistent field theory.dissociative adsorptions of h2 are significantly favored compared to molecular adsorptions. there is a significant charge transfer from the first layer of the vanadium surface to the hydrogen atoms. three possible adsorption sites, top, bridge and center site, were considered in ...
چکیده هدف اصلی این پژوهش بررسی رابطه بین شایسته سالاری و عدالت سازمانی مدیران دانشگاه اصفهان و علوم پزشکی اصفهان بود که در قالب 5 فرضیه با در نظر گرفتن ابعاد شایسته سالاری و عدالت سازمانی مدیران دانشگاه اصفهان و علوم پزشکی انجام شد. روش پژوهش توصیفی از نوع همبستگی می باشد. جامعه آماری کلیه اعضای هیأت علمی و مدیران گروه در دانشگاه اصفهان و علوم پزشکی اصفهان به ترتیب 104- 645 – 33- 468 نفر در س...
This study aimed to investigate the adsorption of CH4, CO2, H2S at a temperature of 298.15 K and pressurerange of 0.1 to 30 atm, and compare the results with experimental data for MIL-47 using GCMC. Themaximum CH4, CO2 and H2S adsorptions were 3.6, 10.45, and 12.57 mol.kg-1, respectively. In addition, theselectivity for binary mixtures of CH4/CO2 and CH4/H2S was calculated. Th...
The formation of ordered arrays of molecules via self-assembly is a rapid, scalable route towards the realization of nanoscale architectures with tailored properties. In recent years, graphene has emerged as an appealing substrate for molecular self-assembly in two dimensions. Here, the first five years of progress in supramolecular organization on graphene are reviewed. The self-assembly proce...
Introduction And Relation To Previous Work This paper presents the development and application of an innovative research method that was designed to measure the adsorption free energy of individual mid-chain peptide residues on functionalized self-assembled monolayer surfaces. As part of this research, an extensive literature review was conducted in the area of protein and peptide adsorption to...
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