نتایج جستجو برای: and power cchp

تعداد نتایج: 16901960  

Journal: :Europace : European pacing, arrhythmias, and cardiac electrophysiology : journal of the working groups on cardiac pacing, arrhythmias, and cardiac cellular electrophysiology of the European Society of Cardiology 2008
Emiliano Horacio Medei José H M Nascimento Roberto C Pedrosa Luciane Barcellos Masako O Masuda Serge Sicouri Marcelo V Elizari Antonio C Campos de Carvalho

AIMS The aim of this study was to investigate whether the sera from chronic chagasic patients (CChPs) with beta-1 adrenergic activity (Ab-beta) can modulate ventricular repolarization. Beta-adrenergic activity has been described in CChP. It increases the L-type calcium current and heart rate in isolated hearts, but its effects on ventricular repolarization has not been described. METHODS AND ...

Journal: :Energy 2021

Abstract Waste energy recovery is crucial for reducing greenhouse gas emissions and alleviating the increasing demand central power grids. In paper, theoretical analyses have been carried out on a novel thermoacoustic combined cooling, heating, system simultaneously recovering waste heat liquefied natural cold energy. The designed based acoustic impedance matching between alternator units maxim...

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه شیراز - دانشکده علوم انسانی 1391

from 1950s onward, new theories and critical approaches burgeoned across humanities. these theories were context-oriented; as a result, the analysis of discursive practices gained significance. thus, social, political, historical and cultural discourses that have been hitherto marginalized and considered inferior to literary texts, were introduced as important texts to be analyzed by critics. o...

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Recently Debates about Energy and the issue of global warming have led to the use of new energy. One of the best options for this purpose is the use of a new hybrid system of power, heating and refrigeration, with its thermal source of solar and geothermal energy. In the present study, used a combined cooling, heating and power system based on the organic Rankine cycle and the Ejector Refrigera...

Journal: :E3S web of conferences 2021

With the deepening of China’s energy market reform and promotion integrated services, regional system becomes an important development direction supply system. In order to maximize economic efficiency reduce air pollutant emission system, distributed power generation module cooling-heat-power (CCHP) triple-supply are formed into a model, balance, equipment capacity environmental factors constra...

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه شیخ بهایی - دانشکده زبانهای خارجی 1392

abstract although music possesses some kind of power and using it has been welcome by many students in language classrooms, it seems that they take a non-serious image of the lesson while listening to songs and they may think that it is a matter of fun. the main objective of the present study was to investigate whether learning a foreign language through musical texts (songs) can have an impac...

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه شیراز - دانشکده ادبیات و علوم انسانی 1392

the purpose of this study is to investigate and explore the causes of identity crisis as one of the debilitating consequences of colonial project after the withdrawal of colonial power. in order to do justice to the full-length severity of displacement that was the fruit of indentureship, v. s. naipauls west indian epic, a house for mr biswas, has been scrutinized with the main focus being the ...

Journal: :Frontiers in Environmental Science 2023

Reclaimed water from wastewater has become a prominent source option to manage scarcity. This study explores the potential of coconut husk biomass, common waste material in Ghana, as valuable low-cost resource for greywater treatment. Engineered column treatment was applied investigate influence pyrolysis and biochar properties biomass on Coconut pyrolyzed at 600°C characterized using SEM, FTIR...

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه صنعتی خواجه نصیرالدین طوسی - دانشکده مکانیک 1392

هدف این رساله، بهینه سازی سیستم cchp با منبع انرژی هیبریدی جهت استفاده در یک ساختمان مسکونی اقلیمهای آب و هوایی ایران می باشد. پس از محاسبه بارهای ساختمان در 5 اقلیم، موتور احتراق داخلی بعنوان محرک اصلی با استفاده از دو روش تصمیم گیری چند معیاره فازی و gia انتخاب شد. روش تعیین ظرفیت چندمعیاره در این رساله معرفی شده است و نتایج آن با روشهای مرسوم دیگر مقایسه و تحلیل شده است. اگر قیمت سوخت و برق ...

2014
Li Zhao Jacob Brouwer Jie Liu

To improve the reliability and the energy efficiency of datacenters, as well as to reduce infrastructure costs and environmental impacts, we demonstrated and evaluated the use of a 10 kW Proton Exchange Membrane Fuel Cell (PEMFC) stack and system for powering the servers in a data center. In this study, we designed, tested and demonstrated a PEMFC system as a Distributed Generation (DG) prime m...

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