نتایج جستجو برای: ultrafi ltration uf

تعداد نتایج: 2562  

2017
Jacques Rottembourg

Encapsulating peritoneal sclerosis (EPS), is a rare but devastating complication of long-term peritoneal dialysis (PD) with a high mortality rate. The incidence is between 0.5 and 3.3%, decreasing with time. EPS is defi ned as a clinical syndrome with major signs of gastrointestinal obstruction, infl ammatory parameters, radiological and macroscopic changes. Duration of treatment and cessation ...

Journal: :BMJ case reports 2012
Mohamed Saleem Noormohamed Najib Kadi

1 of 2 DESCRIPTION Sclerosing peritonitis (SP, encapsulating peritoneal sclerosis or abdominal cocooning) is an infl ammatory process affecting the peritoneum diffusely and constitutes a rare but life-threatening (fi gure 1), serious complication in patients on long-term continuous ambulatory peritoneal dialysis (CAPD). 1 2 An overall prevalence of 0.7% 2 has been described in literature. The p...

2006
Jan Busch Wolfgang Marquardt

Membrane ltration processes are often operated cyclically, where one cycle comprises a ltration and a backwashing phase. Due to the complex mechanisms involved, these ltration processes are mostly operated with xed values of the manipulated variables. In this paper, a model-based process control approach is introduced, which is based upon run-to-run control theory. To evaluate the controller, a...

1997
Mark E. Walker

We establish the existence of Adams operations on the members of a ltration of K-theory which is deened using products of projective lines. We also show that this ltration induces the gamma ltration on the rational K-groups of a smooth variety over a eld of characteristic zero.

2013
P. CHABERA A. J. DOLATA M. DYZIA

A. Boczkowska, P. Chabera, Warsaw University of Technology, Faculty of Materials Science and Engineering, Warsaw, Poland A. J. Dolata, M. Dyzia, Silesian University of Technology, Faculty of Materials Science and Metallurgy, Katowice, Poland A. Oziębło, Institute of Ceramics and Construction Materials, Katowice, Poland A pressure-vacuum infi ltration (T = 720 oC, p = 15 MPa, t = 15 min) and gas...

Zirconia ultrafiltration membranes are widely developed and used for past several years. But the conventional sol-gel methods of zirconia membrane preparation involve many steps. In the present study an attempt was made to develop defect free zirconia ultrafiltration (UF) membrane in single step coating of zirconia nanopowder suspension by slip casting method over multichannel ceramic support. ...

1999
Rajiv R. Chaturvedi Darryl F. Shore Paul A. White Michael H. Scallan Andrew N. Redington Christopher Lincoln

Objectives: Modi®ed ultra®ltration increases blood pressure and cardiac index following open-heart surgery in children, but it is unclear if this is secondary to an improvement in global left ventricular function. A previous report has suggested that left ventricular systolic function as assessed in a single chord is improved by ultra®ltration (Davies MJ, Nguyen K, Gaynor JW, Elliott MJ. Modi®e...

Journal: :Journal of the American Society of Nephrology : JASN 2000
F M van der Sande U Gladziwa J P Kooman G Böcker K M Leunissen

Differences in vascular reactivity between isolated ultrafiltration (i-UF) and hemodialysis (UF + HD) have been attributed to various factors, including differences in core temperature (CT) and energy transfer (ET). However, the relative importance of these thermal factors is not known. The aim of this study was to elucidate to what extent differences in ET are responsible for the divergent vas...

Journal: :veterinary research forum 2014
sayed mortaza alavi-shoushtari roya abedizadeh amir khaki aram mokarizadeh kamran dorostkar

to investigate the igg content and its variations in uterine fluid (uf) during the estrous cycle of the cow and to compare them with those of the blood serum (s), six pairs of serum and uf samples for each phase of the cycle selected out of 240 bovine genital tracts and blood samples were collected from urmia abattoir. the uf samples were collected by gentle scraping of the endometrium using a ...

Journal: :dental research journal 0
saeed moradi mahdi lomee maryam gharechahi

background: apical leakage assessment is a way to compare the effi ciency of a fi lling material to seal the apical region of the tooth. many microleakage testing techniques have been introduced through the years, but there has been no agreement as to which technique gives the most accurate results. the aim of this study was to compare the accuracy of fl uid fi ltration and bacterial leakage te...

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