نتایج جستجو برای: high water flux

تعداد نتایج: 2563361  

2009
J. A. Formaggio

The Sudbury Neutrino Observatory consists of a 1 kiloton heavy water Cherenkov detector able to detect and reconstruct high-energy muons created from cosmic ray showers and atmospheric neutrino interactions. By measuring the flux of through-going muons as a function of zenith angle, the SNO experiment can distinguish between the oscillated and un-oscillated portion of the neutrino flux. This re...

ژورنال: :افق دانش 0
علیرضا مسلم ar. moslem محسن نقوی m. naghavi مهدی بصیری مقدم m. basiri moghadam معصومه قرچه basiri moghadam gonabad university of medical sciences, gonabad, iran. کوکب بصیری مقدم k.

زمینه و هدف: دیالیز ناکافی یکی از عوامل اصلی مرگ و میر بیماران دیالیزی است و در پیش آگهی این بیماران کاملاً مؤثر است. پژوهش حاضر با هدف تعیین کفایت دیالیز و ارتباط آن با نوع صافی در بیماران مراجعه کننده به بیمارستان 22 بهمن گناباد انجام شد. روش تحقیق: این مطالعه مقطعی، بر روی کلیه بیماران تحت درمان با همودیالیز بیمارستان 22 بهمن گناباد که مایل به شرکت در این مطالعه بودند، انجام شد. کلیه بیماران ...

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه تبریز - دانشکده کشاورزی 1389

abstract: since sugar consumption is directly related to diabetes and other illnesses such as obesity, the issue that will most heavily dominate the health food market is blood sugar management and low glycemic foods. using calcium chloride and gums such as sodium alginate and low ester pectin as thikener and a high-potency sweetener aspartame we were able to reduce sugar content of sour cherry...

Journal: :geopersia 2012
shemshad ghoorchaei mohammad vahidinia alireza ashoori

benthic foraminiferal assemblages from maastrichtian strata, gansserina gansseri-abathamphalus mayaroensis planktonic foraminiferal zone, of the abtalkh formation at aitamir section (west of the kopeh-dagh basin) were investigated in order to evaluate the palaeoenvironmental changes (organic matter flux and bottom-water oxygenation). maastrichtian faunal assemblages are well preserved and diver...

Journal: :The Journal of General Physiology 2000
Erik Hviid Larsen Jakob Balslev Sørensen Jens Nørkær Sørensen

A mathematical model of an absorbing leaky epithelium is developed for analysis of solute coupled water transport. The non-charged driving solute diffuses into cells and is pumped from cells into the lateral intercellular space (lis). All membranes contain water channels with the solute passing those of tight junction and interspace basement membrane by convection-diffusion. With solute permeab...

In this study, heat transfer coefficients are measured for diesel-water two-phase flow in a horizontal pipe for dual continuous, dispersion of oil in water and dispersion of water in oil flow patterns. Flow patterns are observed using high speed photography for diesel-water mixture and two phase heat transfer data are obtained under a uniform heat flux boundary condition. The test section is a ...

Journal: :international journal of geo science and environmental planning 0
seyed amirodin sadrnejhad prof, civil engineering dept., k.n.toosi university of technology, teheran, iran mir sina mousavi aghdam msc,khak energy pars., geotechnical consultant co, teheran, iran mahsa memarianfard phd civil engineering dept., k.n.toosi university of technology, teheran, iran zahra sharif tehrani msc student.faculty of art and architecture. kashan university, kashan, iran

an investigation on the thermal performance of the soil as geothermal heat energy storage medium has been conducted. the thermal characteristics of the soil storage and the heat transfer from a heat exchanger in the soil, surrounding and bottom surface will be discussed. this investigation forms a contribution to a project to realize such storage to be charged from a solar heating system. this ...

Journal: :iranian journal of chemistry and chemical engineering (ijcce) 2004
koroush khosravi darani hassan sabzyan asghar zeini-isfahani gholamabbas parsafar

in this work, a more accurate prediction of liquid evaporation flux has been achieved. the statistical rate theory approach, which is recently introduced by ward and fang and exact estimation of vapor pressure in the layer adjacent to the liquid–vapor interface have  been used for prediction of this flux. firstly, the existence of an equilibrium layer adjacent to the liquid-vapor interface is c...

Journal: :علوم و تکنولوژی پلیمر 0
علی اکبری تبریز، دانشگاه صنعتی سهند، دانشکده مهندسی شیمی، صندوق پستی 1996-51335 رضا یگانی تبریز، دانشگاه صنعتی سهند، دانشکده مهندسی شیمی، صندوق پستی 1996-51335 بهزاد پورعباس تبریز، دانشگاه صنعتی سهند، دانشکده مهندسی پلیمر، صندوق پستی 1996-51335 حسن حامدی سنگری تهران، شرکت ملی پالایش و پخش فرآورده های نفتی ایران، صندوق پستی 3499-15815

because most contaminants in water create strong interactions with hydrophobic surfaces, there are usually problems such as flux decline and pore blocking in polyethylene (pe) membranes due to irreversible adsorption of foulants on their intrinsic hydrophobic surface. therefore, in this work, attempts were made to improve the properties of pe membranes in terms of water flux and membrane foulin...

Journal: :journal of membrane science and research 0
h.y. wong school of chemical engineering, engineering campus, universiti sains malaysia, seri ampangan, 14300 seberang prai selatan, pulau pinang, malaysia k.k. lau department of chemical engineering, faculty of engineering, universiti teknologi petronas, bandar seri iskandar, 31750, tronoh, perak darul ridzuan, malayisa enrico drioli national research council, institute on membrane technology (itm-cnr) c/o university of calabria - cubo 17c, 87036 rende cs, italy o.b. seng school of chemical engineering, engineering campus, universiti sains malaysia, seri ampangan, 14300 seberang prai selatan, pulau pinang, malaysia

direct contact membrane distillation (dcmd) which emerges as an alternative separation technology can effectively perform a colloidal separation process under thermal driven force. dcmd is capable of extracting pure water from aqueous solutions containing non-volatile nanoparticles through the hydrophobic microporous membrane when a vapour pressure difference was established across the membrane...

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