نتایج جستجو برای: filtration

تعداد نتایج: 38072  

پایان نامه :وزارت بهداشت، درمان و آموزش پزشکی - دانشگاه علوم پزشکی و خدمات بهداشتی درمانی مشهد - دانشکده دندانپزشکی 1391

دست یابی به سیل ایده آل در ترمیم های کامپوزیتی یکی از مهمترین اهداف دندانپزشکی ترمیمی در سالهای اخیر بوده است. بررسی نفوذ رنگ رایج ترین شیوه مطالعه ریز نشت است. این روش از ارزیابی سه بعدی حساسیت کمتری دارد. به دلیل فقدان مطالعات ارزیابی ریزنشت کامپوزیت ها به روشfluid filtration در دندان های شیری، در این تحقیق بر آن شدیم تا میزان ریزنشت باندینگهایself etch و total etchرا در دندان های شیری به روش...

2008

This concern also applies to filter components and housings. Pall recognizes the importance of proper material selection, cleanliness standards, housing surface preparation, and specialized manufacturing processes with regard to product quality. Our knowledge allowed us to introduce practices that have become industry standards. All Pall Gaskleen filter assemblies are packaged in special double...

2008

This concern also applies to filter components and housings. Pall recognizes the importance of proper material selection, cleanliness standards, housing surface preparation, and specialized manufacturing processes with regard to product quality. Our knowledge allowed us to introduce practices that have become industry standards. All Pall Gaskleen filter assemblies are packaged in special double...

Journal: :nephro-urology monthly 0
rizna abdul cader nephrology unit, department of internal medicine, universiti kebangsaan malaysia medical centre, kuala lumpur, malaysia; nephrology unit, department of internal medicine, universiti kebangsaan malaysia medical centre, jalan yaacob latif, 56000, kuala lumpur, malaysia. tel: +603-91456097, fax: +603-91735316 halim abdul gafor nephrology unit, department of internal medicine, universiti kebangsaan malaysia medical centre, kuala lumpur, malaysia rozita mohd nephrology unit, department of internal medicine, universiti kebangsaan malaysia medical centre, kuala lumpur, malaysia wei yen kong nephrology unit, department of internal medicine, universiti kebangsaan malaysia medical centre, kuala lumpur, malaysia norazimah arshad nephrology unit, department of internal medicine, universiti kebangsaan malaysia medical centre, kuala lumpur, malaysia norella kong nephrology unit, department of internal medicine, universiti kebangsaan malaysia medical centre, kuala lumpur, malaysia

conclusions the high prevalence of fungaemia and mortality could be attributed to many patients on chronic immunosuppressive therapy. nonetheless, cpfa albeit expensive, does add to our armamentarium of extracorporeal treatment for severe sepsis. regional citrate anticoagulation with cpfa may overcome problems with filter clotting. objectives the main objective was to review our centers' e...

Journal: :international journal of occupational hygiene 0
somayeh farhang dehghan department of occupational health engineering, school of public health, tehran university of medical sciences, tehran, iran farideh golbaaei department of occupational health engineering, school of public health, tehran university of medical sciences, tehran, iran bozorgmehr maddah department of chemistry, imam hossein university, tehran, iran rasoul yarahmadi department of occupational health, school of public health, iran university of medical sciences, tehran, iran asghar sedigh zadeh nuclear fusion research center, atomic energy organization, tehran, iran

original article   electrospun nanofibrous filter media have attracted considerable attention in the last decade. the present study aimed to develop the electrospun pan (polyacrylonitrile) filter media through experimental investigations for application in high-performance air filters. for this purpose, an experimental design was proposed to assess the effect of electrospinning process conditio...

Journal: :iranian journal of public health 0
f vaezi ah mahvi g safari

conventional sand filtration which has become a common wastewater treatment technology to satisfy regulations appointed for effluent reuse, suffers from the disadvantage of high energy for backwashing. the subject of this study is application of downflow floating media prior to coarse sand filtration, which requires less water for backwash. two pilots have been employed in two stages. for the f...

E. Leusheva V. Morenov,

Filtration of the drilling mud is one of it's most important parameters, especially when drilling-in producing formation. Decrease of filtration characteristics allows reducing both solid and liquid phases's penetration zone into the formation. The study of the effect of the weighting-bridging agent's fractional composition on the filtration rate allows selecting of optimal composition of the s...

Journal: :Journal of the Institute of Brewing 1930

Journal: Polyolefins Journal 2017

A polypropylene microporous membrane (PPMM) was fabricated by thermally induced phase separation (TIPS) method. The effects of protein size and structure as well as filtration pressure on the membrane performance and fouling mechanisms were investigated using two different proteins, bovine serum albumin (BSA) and collagen, in dead-end filtration setup. Obtained results showed that, for each pro...

Journal: :iranian red crescent medical journal 0
mohammad reza tamadon department of internal medicine, faculty of medicine, semnan university of medical sciences, semnan, ir iran; department of internal medicine, faculty of medicine, semnan university of medical sciences, semnan, ir iran. tel: +98-9121315058, fax: +98-2333437838 seyed seifollah beladi mousavi chronic renal failure research center, jundishapur university of medical sciences, ahvaz, ir iran

conclusions although our patient had ckd stage 4, but his condition has not deteriorated and remained constant and stable for several years only by control of blood pressure and usual treatment which prescribed for patients at this stage case presentation a 78-year-old man presented with stage 4 ckd for 7 years; the glomerular filtration rate (gfr) and creatinine levels remained constant despit...

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