نتایج جستجو برای: control volume

تعداد نتایج: 1604703  

2002
J. L. Clausen

Lung volume equipment and infection control. J.L. Clausen. ©ERS Journals Ltd 1997. ABSTRACT: As part of the consensus workshop regarding lung volume measurements for the American Thoracic Society and European Respiratory Society, this background paper reviews mechanisms and risks of cross-infection resultant from performing measurements of absolute lung volumes either by body plethysmography, g...

Journal: :Hemodialysis international. International Symposium on Home Hemodialysis 2000
František Lopot Bohdan Nejedlý Sylvie Sulková

Continuous blood volume monitoring (CBVM) is believed to be a promising method for making the determination of patients' "dry weight" more objective, and ultrafiltration (UF) control more appropriate. Although blood volume response to UF and the interrelation between blood volume changes and changes in hemodynamic parameters are highly individual, certain principles of this response and interre...

2001
Xinyue Li Han-Wei Shen

This paper presents an automatic error tolerance specification system to control the performance of hierarchical volume rendering. Rather than requiring the user to provide an explicit error tolerance numerically, we let the user to specify only the target rendering speed. Our system can then calculate an appropriate error tolerance adaptively to satisfy the user’s performance goal. The system ...

Journal: :The Japanese journal of physiology 1981
Y Tanaka T Morimoto K Miki H Nose M Miyazaki

We developed an experimental method which enabled continuous determination of the circulatory blood volume, when the blood volume was subjected to alterations. The blood volume was modified by a servo system to control transfer of the blood between an external reservoir and the cardiovascular system. Possible application of our method to the analysis of circulatory responses to blood volume cha...

2013
Túlio Ligneul Santos Paulo Roma Cavalcanti P. R. Cavalcanti

Abstract. In this work, it is employed the regional level set as a solution to the problem of tracking interfaces in multiphase fluid simulations, with special attention to the treatment of the thin film between distinct phases. In this context, properties of each phase are tracked as they are merged or split, and a new algorithm to apply these operations is proposed. Furthermore, it is brought...

بهرام زاده, سمیه, خرسندی, لعیا, هاشمی تبار, محمود, کلانتر مهدوی, سید رشیدالدین,

Background and Objective: Metformin is a widely used medicine for treatment of type 2 diabetes. In this study, the effect of various doses of metformin on the mouse islets of langerhans volume was investigated. Materials and methods: Twenty four C57BL/6 adult male mice weighting 30±5 gr were randomly divided into 4 groups. Normal saline was given to the control group (group 4) and the experimen...

حمیدرضا محمودزاده ثاقب, , زهرا حیدری, , سیدمحمد حسین نوری, , عبدالرحمن دزفولیان, , پادماکارچیت نیس, ,

Background: Stereologic methods are used to obtain quantitative information about three dimensional structures from histologic sections. The aim of present study was using new and unbiased stereological techniques to investigated changes in volume and number of glomeruli after chronic lead acetate intoxication. Lead is one of the heavy metals that have adverse effects on renal function. Its eff...

Journal: :international journal of reproductive biomedicine 0
ali cyrus hassan solhi mahdi azizabadi farahani hamid reza khoddami vishteh davoud goudarzi ghasem mosayebi

background: given the paucity of data on possible testis changes in opioid dependents, we sought to compare the testis volumes between a group of opium dependents and a group of healthy controls. objective: comparison of testis volume between opium dependents and healthy controls. materials and methods: this case-control study recruited 100 men with opium dependency (cases) and 100 healthy men ...

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه تبریز 1381

‏‎this study investigated the effect of prior knowledge on the listening comprehension performance of fl learners. twenty students, male and female, drawn from the two intact groups of the senior and junior english language and literature majors were chosen as the participants of this study . the two groups were then randomly assigned into the experimental and control group. the experimental gr...

پایان نامه :وزارت علوم، تحقیقات و فناوری - پژوهشگاه دانشهای بنیادی (مرکز تحقیقات فیزیک نظری و - پژوهشکده فیزیک 1387

چکیده این پایان نامه به بررسی اثر سیم پیچ مغناطیسی و کاوه یِ خوشه گر با بسامد رادیویی بر هاله و بیرونگراییِ باریکه هایِ پیوسته و خوشه ایِ ذرات باردار در شتابدهنده های خطیِ یونی، پروتونی با جریان بالا می پردازد و راه حل هایی برای بهینه نگهداشتن این کمیتها ارایه می دهد. بیرونگرایی یکی از کمیتهای اساسی باریکه هایِ ذرات باردار در شتابدهنده ها است که تاثیر قابل توجهی بر قیمت، هزینه و کاراییِ هر شتابدهند...

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