نتایج جستجو برای: mf or ultrafiltration
تعداد نتایج: 3552972 فیلتر نتایج به سال:
Membrane filtration in various forms has become an increasingly used treatment method worldwide for the supply of safe drinking water. The fouling membranes is commonly considered to be major operational limitation its wider application since it leads frequent backwashing and a shortening membrane life, increased production costs. components natural organic matter (NOM) surface waters have been...
The organic solvent extraction of Armillaria mellea showed different highly intrinsic fluorescent compounds either in rhizomorph or in hyphae (F , F , F , MF , MF and MF ). The characterization of ultraviolet and fluoro-spectrophotometry of these compounds has been exhibited. Thin layer chromatography and fluorescent spectrum of hyphae and rhizomorph indicated an additional compound (FH) ...
Cellulose acetate (CA) is a semisynthetic, biodegradable polymer. Due to its characteristics, CA has several applications, including water membranes, filament-forming matrices, biomedical nanocomposites, household tools, and photographic films. This review deals with topics related the which are prepared using different techniques, such as phase inversion technique. membranes considered very im...
Background: The relative contribution of transcapillary water movement and lymphatic reabsorption in peritoneal dialysis (PD) is a critical issue, particularly in patients with ultrafiltration failure (UFF). Based on routine results obtained from the PD Adequest 2.0 software, the present study aimed to re-evaluate the separate effects of transcapillary water movement and lymphatic reabsorption ...
conclusion there was no association between hhv-8 and mf or lpp in iranian population. this is in accordance with most of the reports from different countries. results the investigated samples consisted of 13 patient with mf, 10 patients with lpp, and 23 patients with chronic dermatitis; the diagnosis of these skin conditions were confirmed histopathologically. the rt-pcr could not detect hhv-8...
Membrane technology has a significant role in textile wastewater treatment considering the modular design of membrane processes that enables to conceive complete scheme. The study presents comparative microfiltration (MF) (0.2 µm and 0.05 µm), ultrafiltration (UF), ozonation (0.1, 0.2 g/L ozone), ultraviolet (UV) irradiation titanium dioxide (TiO2) (0.05, 0.15, 0.3, 0.5 TiO2) zeolite adsorption...
To study intermittence of duration of exposure to magnetic field or MF (0.9 mT) on direct organogenesis of African violet explant in medium with and without PGRs these experiments performed. First experiment performed as completely randomized design (CRD) with three level of MF exposure (control, 5 day continuous and 5 day discontinuous) in PGR- free medium included via 6 repeat. The second exp...
Whey is the major by-product of cheese industry which contains valuable organic materials. Further processes are needed before these materials can be used in food industry. Membrane filtration a convenient alternative to traditional processes. Low energy consumption, reduced processing costs and enhanced quality products main benefits membrane filtration. Due advantages techniques have affected...
Mycosis fungicides (MF), on extremely rare occasions, can be associated with vesiculobullous eruptions. We describe a 74-year-old man with previous documented histopathologic diagnosis of poikilodermic type of MF who recently developed some flaccid acral bullae on erythemoatous MF plaque and normal skin. Histopathology and direct immunoflourscence studies revealed extensive lichenoid chan...
original article mental fatigue (mf) is considered as a contributor factor in incident, even catastrophic one. electroencephalography measurement has been the most acceptable method to assess mf by neurologists. however, this method could be hardly feasible in real work setting. flicker fusion device, by contrast, is more usable at work setting. the purpose of this study was to compare the cr...
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