نتایج جستجو برای: ultrafi ltration
تعداد نتایج: 295 فیلتر نتایج به سال:
solar cells, [ 4 ] and photonic crystals, [ 5 ] 2D hexagonal structures and 3D inverted opal (IO) structures have recently been intensively studied. In order to fabricate uniform IO structures consisting of regular arrangements of spherical void spaces surrounded by solid walls, 2D and 3D colloidal crystals consisting of a regular arrangement of uniform spherical particles are required. To date...
1 of 2 DESCRIPTION A 20-year-old girl with acute lymphoblastic leukaemia in second remission for 4 years, presented with blurring of vision and binocular diplopia for 2 months duration. Examination revealed isolated left 6th cranial nerve palsy. Fundus showed swollen both optic disc and fan-shaped macular star suggestive of papilloedema. CT scan and MRI of brain revealed no space occupying lesi...
A vibrating membrane module currently marketed for ®ltration applications was evaluated for the separation of volatile organic compounds (VOCs) from aqueous solutions by pervaporation. Preliminary screening experiments with three VOCs, three silicone membranes, and in the presence and absence of a surfactant were performed to determine if further consideration of the vibrating module for a ®eld...
The present paper studies the in ltration of an incompressible liquid in an initially dry (or partially dry), deformable spongeous material made of an incompressible constituent in the slugow approximation having in mind the application to some industrial processes involving ow through spongeous materials and, in particular, some composite materials manufacturing processes. The resulting initia...
In this study silicon-multi walled carbon nanotube (Si-MWCNT) lithium ion battery anodes were produced and their electrochemical galvanostatic charge/discharge tests were conducted at various (25 ◦C, 35 ◦C, 50 ◦C) temperatures to determine the cyclic behaviors of anode at di erent temperatures. Anodes were produced via vacuum ltration and DC magnetron sputtering technique. Silicon was sputtered...
Fungemia is associated with high morbidity and mortality rates. Various techniques have been introduced to diagnose fungemia such as conventional broth culture medium, by blind or macroscopic subculture, vented and aerated biphasic culture medium, lysis Þ ltration agitated culture medium, radiometric and nonradiometric methods, lysis centrifugation method, etc..[1] Of these, lysis-centrifugatio...
The present work was designed to test the toxic impacts exerted by the colour additives erythrosine on the histology, ultrastructure and some serum liver function parameters in male albino rats. Erythrosine in a dose level equals 136 mg/kg bw was given orally to male albino rats for 4, 6 and 8 weeks. This caused time-dependent histological alterations in liver such as cytoplasmic vacuolization ...
INTRODUCTION Patients with acute chest pain remain a great diagnostic challenge to emergency physicians. It is estimated that 30% of patients presenting with chest pain will be diagnosed with an acute coronary syndrome. [1] However, none of the traditional clinical data, 12-lead ECG, biochemical markers of necrosis, or imaging techniques can be considered a true gold standard for the diagnosis ...
Before You Start: Facts You Need to Know • A focused history and physical examination is essential in the assessment of patients with chronic kidney disease (CKD). • A CKD patient’s history should differentiate CKD from acute kidney disease, defi ne duration and chronicity, fi nd a causative or contributory disease, and assess complications and comorbidities. • Physical examination should cover...
User feedback is vital to the quality of the collaborative spam fi lters frequently used in open membership email systems such as Yahoo Mail or Gmail. Users occasionally designate emails as spam or non-spam (often termed as ham), and these labels are subsequently used to train the spam fi lter. Although the majority of users provide very little data, as a collective the amount of training data ...
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