نتایج جستجو برای: bipolar plates
تعداد نتایج: 73813 فیلتر نتایج به سال:
ôbjectives: non-adherence limits the effectiveness of medications among patients with bipolar disorder. many studies have investigated the predicting factors of non-adherence. this paper aims to present the pattern of adherence in patients with bipolar ï disorder (bïd). methods: seventy six patients with bïd enrolled in a prospective study. the medication possession ratio (mpr) was used to eval...
This study presents an experimental stack-level thermal and hydrodynamic assessment of a model air-cooled PEM fuel cell. To mimic the heat generation inside the MEA, rubber heater films are used. Pressure drop along the stack channels and temperature distribution on the bipolar plate surface are measured for the channel Reynolds number range of 200-500 and the stack input power range of 100-250...
A pulsing circuit is designed and constructed capable of raising up to +6.7kV between plates of a small (~50cm side length) spark chamber. The device is triggered by the ~2V output of a cosmic ray detection device, and its overall gain of ~1:3000 is achieved by a sequence of amplifiers and fast switching devices – namely a Bipolar Junction Transistor (BJT), Insulated Gate Bipolar Transistor (IG...
The flow field of a bipolar plate distributes hydrogen and oxygen for polymer electrolyte membrane (PEM) fuel cells and removes the produced water from the fuel cells. It greatly influences the performance of fuel cells, especially regarding reduction of mass transport loss. Flow fields with good reactant distribution capability reduce the mass transport loss, thus allowing higher power density...
Objective: Bipolar disorder is a severe mental disorder, and its prevalence is around 1% to 2%. Despite a vast literature around bipolar disorder, the reasons of its nonadherence and rehospitalization is still obscure. Several symptoms of bipolar disorder include changes in activity level, cognitive abilities, speech, and vegetative functions, such as sleep, sexual activity, as well as aggressi...
Objectives: Bipolar and unipolar depressions are different in terms of both biological or clinical sign and symptoms, so the available scales are not suitable for measuring the depression in bipolar disorder. The aim of the present study was to determine the psychometric features of the Persian Version of Bipolar Depression Rating Scale (BDRS). Method: A total of 368 participants, including 120...
Background and purpose: The boundary between bipolar disorder and borderline personality disorder has always been a matter of debate. Despite the importance of this issue, only a few studies have directly compared these two groups. The main purpose of this study was to compare the cognitive profile of patients with bipolar disorder and borderline personality disorder in terms of attentional bia...
background lithium is a drug for treatment of bipolar disorder by correcting mania and reducing depressive mood swings. objectives in this study, effects of lithium on volumetric parameters of cerebellum were investigated using stereological methods. materials and methods in this experimental study, 20 sexually mature wistar male rats were selected and divided in two groups randomly (n = 10). a...
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