نتایج جستجو برای: access and permeability

تعداد نتایج: 16861970  

Journal: :iranian journal of oil & gas science and technology 2013
sadegh mahmoudi abdonabi hashemi shahin kord

this work is a primary achievement in studying the co2 and n2–oil systems. to predict gas-liquid relative permeability curves, a shan-chen type multicomponent multiphase lattice boltzmann model for two-phase flow through 2d porous media is developed. periodic and bounce back boundary conditions are applied to the model with the guo scheme for the external body force (i.e., the pressure gradient...

Journal: :international journal of health policy and management 2013
cheri wilson

this paper aims to provide a description of the need for culturally and linguistically appropriate services (clas) for limited english proficient (lep) patients, an identification of how the lack of clas for lep patients can compromise patient safety and healthcare quality, and discuss barriers to the provision of clas.

Journal: :Chemical communications 2013
Michał Malicki Kathryn E Knowles Emily A Weiss

Photoinduced hole transfer from PbS quantum dots (QDs) to aminoferrocene only occurs if the ligand shell of the QD allows aminoferrocene to gain direct access to the inorganic core of the QD; the permeability of the ligand shell is therefore more important than its conductivity in determining the probability of interfacial charge transfer.

Journal: :علوم و فنون بسته بندی 0
نیره کریمی یحیی مقصودلو

for button mushrooms packaging, the packaging films with high permeability to oxygen and carbon dioxide are required. permeability of plastic films such as pvc lead to loss of weight (and thus economic value) and textural changes are undesirable for button mushroom. so packaging film of polyolefins (pd 941 and pd 961) can be used. also the new film, hydrophilic materials such as films made from...

Journal: :American journal of physiology. Renal physiology 2011
Josefin Axelsson Anna Rippe Bengt Rippe

The present study was performed to investigate the effects of systemic atrial natriuretic peptide (ANP) infusion on the glomerular permeability to macromolecules in rats. In anesthetized Wistar rats (250-280 g), the left urether was cannulated for urine collection while simultaneously blood access was achieved. Rats were continuously infused intravenously with ANP [30 ng·kg(-1)·min(-1) (Lo-ANP;...

Journal: :research in pharmaceutical sciences 0
so mashayekhi mr sattari pa routledge

several transporters appear to be important in transporting various drugs. many patients, who receive morphine as analgesic medication, also receive other medications with potency of changing morphine transport by affecting p-glycoprotein (p-gp) and oatp2 transport system. this could influence morphine pharmacokinetics and pharmacodynamics. the aim of present study was to elucidate the transpor...

This work is a primary achievement in studying the CO2 and N2–oil systems. To predict gas-liquid relative permeability curves, a Shan-Chen type multicomponent multiphase lattice Boltzmann model for two-phase flow through 2D porous media is developed. Periodic and bounce back boundary conditions are applied to the model with the Guo scheme for the external body force (i.e.,...

Journal: :journal of heat and mass transfer research(jhmtr) 2015
alireza azhdari heravi farhad talebi mohmmad sadegh valipour

the permeability and tortuosity of pore-scale two and three-dimensional random porous media were calculated using the lattice boltzmann method (lbm). effects of geometrical parameters of medium on permeability and tortuosity were investigated as well. two major models of random porous media were reconstructed by computerized tomography method: randomly distributed rectangular obstacles in a uni...

Journal: :Energies 2023

With a large amount of distributed power and energy storage access, the traditional three-phase unbalanced treatment distribution system is mainly aimed at unbalance load, which cannot effectively address problem network after number single-phase photovoltaic access. Therefore, this paper proposes strategy for network, considers joint regulation ability reactive compensation device. Firstly, un...

Journal: :international journal of nano dimension 0
a. mahmoudi separation processes research group (sprg), department of engineering, university of kashan, kashan, iran. m. namdari separation processes research group (sprg), department of engineering, university of kashan, kashan, iran. v. zargar separation processes research group (sprg), department of engineering, university of kashan, kashan, iran. g. khanbabaei polymer science & technology division, research institute of petroleum industry, tehran, iran. m. asghari energy research institute, university of kashan, ghotb-e-ravandi ave., kashan, iran.

a pebax-nano zeolite x mixed matrix membrane was fabricated and operationally characterized using single gas (co2) permeation. x-ray diffraction (xrd) analysis was used to study the arrangement of polymer chains of mixed matrix membrane. the membranes were characterized by scanning electron microscopy (sem) to study cross-sectional morphology. the single gas permeability were carried out for ne...

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