نتایج جستجو برای: filteration
تعداد نتایج: 49 فیلتر نتایج به سال:
geotextiles are one of the most widely used synthetic materials in filtration and drainage applications. since in real applications, geotextiles are subjected to various hydraulic gradients and confining stresses, hydraulic behavior of geotextiles under different circumstances is of great practical importance. in this study filtration and drainage properties of several nonwoven needle-punched g...
Background & Aim: Infections caused by genital mycoplasmas may have harmful effects on the fertility of men and may lead to male infertility. This study was performed to detect the prevalence of these bacteria in infertile men referred to Royan Institute.Patients and Method: Semen samples were collected from 220 infertile men and were inoculated into PPLO broth transport media and sent to t...
slow sand filters are as a proper technology for pre-treatment of raw water, with a fine and medium trubidity in small communities in developing countries. thus, with a minimum operation cost and minimum need for expest bodies have the maximum efficiency. the purpose of this research is carried out to evaluate the efficiency of two processes of horizontal flow roughing filter and vertical flow ...
Today, the multi purpose use of the potential of water resources is considered with the construction of Rainbow trout farms upstream of permanent rivers in order to make optimal use of these resources and increase employment. The direct entry of the effeluent of theses pools into the water of these rivers can affect their water quality. The aim of this study was to determine the effect of rainb...
BACKGROUND Cystatin C is a low molecular weight protein produced by all nucleated human cells, with a stable production rate. Its levels are not influenced by inflammation, infections, hepatic or renal diseases, or by dietary or constitutional factors. We compared serum cystatin C and serum creatinine based predicting equations to estimate glomerular filteration rate (GFR) in type 2 diabetes me...
Background: Acute Renal Failure (ARF) is a common complication in Pediatric Intensive Care Units (PICUs) and its quick diagnosis at the bedside is of utmost importance. Various systems have been introduced for the rapid diagnosis of the condition. One of these systems is RIFLE, which based on Glomerular filteration rate (GFR) and urinary output, ARF patients are divided into 5 categories na...
Buthotus schach is one of the dangers scorpion in Iran that belong to the Buthidae family. Toxins are existing in venom scorpion, modulate the ion channels by blocking or opening the pore of the channel or by altering the voltage gating and useful as pharmacological tools. In the present study, we investigated the effect of venom and its obtained fractions by gel filtrations on electrophysiolog...
Three cases of nephrotic syndrome treated by indomethacin, either oral capsules or rectal suppositories, are presented. Results showed that indomethacin caused marked reduction in proteinuria and frequency of micturition, loss of oedema fluid and elevation of serum albumin and total protein. These effects were continued after withdrawal of indomethacin in two patients. It could be concluded tha...
The protective activity of Cassia alata against carbon tetrachloride (CCl4) – induced hepatotoxicity in rats was assessed. Crude extracts of petals of the plant in 0.5% ethanol were administered by intubation for 14 days prior to injection of 0.5ml Kg CCl4 into the rats. Serum aspartate aminotransferase and alanine aminotransferase levels, 18 hours after CCl4 administration, decreased significa...
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