نتایج جستجو برای: pmax
تعداد نتایج: 439 فیلتر نتایج به سال:
In this work, four different supercapacitive microbial fuel cells (SC-MFCs) with carbon brush as the anode and an air-breathing cathode with Fe-Aminoantipyrine (Fe-AAPyr) as the catalyst have been investigated using galvanostatic discharges. The maximum power (Pmax) obtained was in the range from 1.7 mW to 1.9 mW for each SC-MFC. This in-series connection of four SC-MFCs almost quadrupled Pmax ...
BACKGROUND The majority of critically ill patients do not suffer from acute respiratory distress syndrome (ARDS). To improve the treatment of these patients, we aimed to identify potentially modifiable factors associated with outcome of these patients. METHODS The PRoVENT was an international, multicenter, prospective cohort study of consecutive patients under invasive mechanical ventilatory ...
OBJECTIVES To compare muscle power between youth who acquired HIV perinatally and HIV unexposed uninfected (HUU) youth. METHODS We assessed muscle power (relative to body mass, Pmax/mass), muscle force normalized to body weight (Fmax/BW), force efficiency, jump height (Hmax) and velocity (Vmax) during a single two-legged jump with hands on waist on a force platform (Leonardo) in HIV+ youth (n...
Previous studies have suggested that anodal pacing enhances electrical conduction in the heart near the pacing site. It was hypothesized that enhanced conduction by anodal pacing would also enhance ventricular pressure in the heart. Left ventricular pressure measurements were made in isolated, Langendorff-perfused rabbit hearts by means of a Millar pressure transducer with the use of a balloon ...
In this paper, a finite time thermodynamic model of high temperature proton exchange membrane fuel cell (HT-PEMFC) is established, in which the irreversible losses polarization and leakage current during operation are considered. The influences operating temperature, thickness, phosphoric acid doping level, hydrogen oxygen intake pressure on maximum output power density Pmax efficiency ?max stu...
We present and discuss a new axiom, Martin’s Maximum∗,++, cf. Definition 2.10, which amalgamates Woodin’s Pmax axiom (∗) and Martin’s Maximum++. If a mathematical object can be imagined in a reasonable way, then it exists!
The use of Pt-based cathode catalyst materials hinders the widespread application anion exchange membrane fuel cells (AEMFCs). Herein, we present a non-precious metal (NPMC) material based on pyrolysed Fe and Co co-doped electrospun carbon nanofibres (CNFs). prepared are studied as oxygen reduction reaction (ORR) evolution (OER) catalysts in alkaline acidic environments. High activity towards O...
هدف از انجام مطالعه حاضر تعیین تاثیر تخلیه گلیکوژنی و اثر احتمالی لاکتات بر آزاد سازی cgrp در حین تمرین استقامتی حاد بود. 10 نفر دانشجوی مرد فعال تربیت بدنی بودند با میانگین سنی 67/1±4/22، وزن 17/4 ± 95/77 و شاخص توده بدنی 69/1 ± 65/21 به صورت هدفمند انتخاب و در تحقیق حاضر شرکت کردند. هر آزمودنی در 4 وهله مجزا با حداقل فاصله زمانی یک هفته جهت سنجش pmax، انجام تخلیه گلیکوژنی، انجام فعالیت استقام...
We present general algorithms for minimizing sequential nite-state transducers that output strings or numbers. The algorithms are shown to be e cient since in the case of acyclic transducers and for output strings they operate in O(S + |E|+ |V |+ (|E| − |V |+ |F |) · (|Pmax|+ 1)) steps, where S is the sum of the lengths of all output labels of the resulting transducer, E the set of transitions ...
Cocaine-experienced Wistar and Wistar Kyoto (WKY) rats received four daily repeated forced swim stress sessions (R-FSS), each of which preceded 4-hour cocaine self-administration sessions. Twenty-four hours after the last swim stress, cocaine valuation was assessed during a single-session threshold procedure. Prior exposure to R-FSS significantly altered cocaine responding in Wistar, but not WK...
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