نتایج جستجو برای: double diffusion

تعداد نتایج: 401018  

Journal: :Micromachines 2015
Deyong Zhu Xiaohu Zhou Bo Zheng

This paper reports the design and construction of a plastic-glass hybrid microfluidic platform for performing protein crystallization trials in nanoliter double emulsions. The double emulsion-based protein crystallization trials were implemented with both the vapor-diffusion method and microbatch method by controlling the diffusion of water between the inner and outer phases and by eliminating ...

Entropy generation of double diffusive natural convection in a three dimensional differentially heated enclosure has been performed numerically. Vertical walls of enclosure are heated differentially and remaining walls are adiabatic. The obtained results were presented via iso-concentration, iso-temperatures, velocity vector projection, particle trajectories, velocity profiles, iso-entropy, loc...

2014
Maged F. Serag Maram Abadi Satoshi Habuchi

Single-molecule localization and tracking has been used to translate spatiotemporal information of individual molecules to map their diffusion behaviours. However, accurate analysis of diffusion behaviours and including other parameters, such as the conformation and size of molecules, remain as limitations to the method. Here, we report a method that addresses the limitations of existing single...

2015
Peng Han Wang Lu

Purpose: discuss actual application value of the diffusion theory in massive electric vehicle charging load; Method: introduce single vehicle charging process, extend it to charging process of two and multiple electric vehicles, abstract physical process of parallel charging of electric vehicles, introduce energy block concept and diffusion theory, and establish diffusion charging model of elec...

Journal: :The Journal of chemical physics 2008
T Luan E Curotto Massimo Mella

Several importance sampling strategies are developed and tested for stereographic projection diffusion Monte Carlo in manifolds. We test a family of one parameter trial wavefunctions for variational Monte Carlo in stereographically projected manifolds which can be used to produce importance sampling. We use the double well potential in one dimensional Euclidean space to study systematically sam...

2015
Han Peng Jinmei Wu Lu Wang

Purpose: discuss actual application value of the diffusion theory in massive electric vehicle charging load. Method: introduce single vehicle charging process, extend it to charging process of two and multiple electric vehicles, abstract physical process of parallel charging of electric vehicles, introduce energy block concept and diffusion theory, and establish diffusion charging model of elec...

Journal: :The Analyst 2013
Bertram L Koelsch Kayvan R Keshari Tom H Peeters Peder E Z Larson David M Wilson John Kurhanewicz

We combined the high MR signal enhancement achieved using dissolution dynamic nuclear polarization (DNP) with a pulsed gradient double spin echo diffusion MR sequence to rapidly and accurately measure the diffusion coefficients of various hyperpolarized (13)C molecules in solution. Furthermore, with a diffusion-weighted imaging sequence we generate diffusion coefficient maps of multiple hyperpo...

Journal: :Physical review letters 2006
E P Petrov T Ohrt R G Winkler P Schwille

Diffusion and segmental dynamics of the double-stranded lambda-phage DNA polymer are quantitatively studied over the transition range from stiff to semiflexible chains. Spectroscopy of fluorescence fluctuations of single-end fluorescently labeled monodisperse DNA fragments unambiguously shows that double-stranded DNA in the length range of 10(2) - 2 x 10(4) base pairs behaves as a semiflexible ...

ژورنال: :مجله دانشگاه علوم پزشکی زنجان 0
زهرا توجهی z tavajjohi رضوان منیری r moniri احمد خورشیدی a khorshidi مهدی روحانی m rohani

چکیده زمینه و هدف: پسودوموناس ائروژینوزا یکی از مهم ترین باکتری های بیماری زای ایجاد کننده ی عفونت های بیمارستانی است. در این مطالعه الگوی حساسیت آنتی بیوتیکی و فراوانی بتالاکتامازهای وسیع الطیف در پسودوموناس ائروژینوزای جدا شده از نمونه های بالینی و محیطی به روش فنوتیپی و ژنوتیپی مورد بررسی قرار گرفت. روش بررسی: این مطالعه ی توصیفی بر روی 100 سویه پسودوموناس ائروژینوزا جدا شده از نمونه های مخت...

A. Fattahi M. Alizadeh

Double-diffusive mixed convection in a lid-driven square enclosure filled with Al2O3-water is numerically investigated. Two-dimensional nonlinear governing equations are discretized using the control volume method and hybrid scheme. The equations are solved using SIMPLER algorithm. The results are displayed in the form of streamlines, isotherms, and iso-concentrations when the Richardson number...

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