نتایج جستجو برای: westinghouse cycle

تعداد نتایج: 273773  

2003
Károly Fazekas

Post-transitional labour markets of the Central and East European countries have been characterised by marked regional differences. This paper will concentrate on the spatial pattern of job creation, determined by the allocation decisions of foreign and domestic investors. Regions with the highest employment rates may boast high doses of FDI inflows, while low employment regions have been suffe...

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه تبریز 1390

در این پایان نامه ابتدا دستگاه تست خزش موجود در آزمایشگاه مقاومت مصالح دانشکده فنی و مهندسی مکانیک دانشگاه تبریز با طراحی سیستم جدید، تکمیل شده و امکان بررسی رفتار توام خزش و خستگی فراهم خواهد شد. سپس نمونه هایی از فولاد ضد زنگ304 تهیه و رفتار خزشی – خستگی آنها در رنج low cycle و تنش بالای تنش تسلیم و در درجه حرارت بالای نصف درجه حرارت ذوب بررسی شده و نتایج با ادبیات فنی و نیز داده های تجربی بر...

2005
Fredrik Tell

This paper discusses a particular type of knowledge, subjective knowledge, and its implication for inventive and entrepreneurial activity. The justification processes of subjective knowledge primarily involve internal coherence and procedural reasoning. These characteristics make subjective knowledge an interesting candidate for the analysis of concept formation in contexts where fundamental un...

2004
Axel Heitmueller Kirsty Inglis IZA Bonn

Carefree? Participation and Pay Differentials for Informal Carers in Britain A substantial proportion of working age individuals in Britain are looking after sick, disabled, and elderly people and combine work and caring responsibilities. Using the British Household Panel Study (BHPS) for the years 1991 to 2002 this paper studies the determinants of labour market participation as well as earnin...

2006
Helen L. Gensler

The present study was designed to determine the systemic influence of ultraviolet (UVB) irradiation upon subsequent carcinogenesis induced by benzo(a)pyrene. The source of UV irradiation consisted of six Westinghouse FS-40 fluorescent sunlamps. Female BALB/c mice received five 30-min dorsal UVB radiation treatments per week for 13 wk. At the end of 13 wk, irradiated and unirradiated mice receiv...

Journal: :the modares journal of electrical engineering 2008
m. tarafdarhagh a atashi

this paper presents a new arc starter circuit that is usable in manual metal arc welding (mma) power supplies. the proposed circuit uses an auxiliary circuit and a series coupling transformer for adding high frequency spikes to output dc voltage during arc striking. the proposed circuit is usable in inverter based arc welding supplies and it could result in a decrease of weigh, volume and expen...

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