نتایج جستجو برای: frequency factor

تعداد نتایج: 1295355  

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه صنعتی خواجه نصیرالدین طوسی - دانشکده مهندسی برق و کامپیوتر 1391

power transformers are important equipments in power systems. thus there is a large number of researches devoted of power transformers. however, there is still a demand for future investigations, especially in the field of diagnosis of transformer failures. in order to fulfill the demand, the first part reports a study case in which four main types of failures on the active part are investigate...

Fallah , MS, Farzaneh, F, Foroutan , H, Mansour-Ghanaei , F, Pourshams, A, Ramezani, N, Shafaghi , A, yousefi, M,

Abstract There are some reports about hepatitis B and C Virus infection in hemophiliacs in different part of our country. We studied Guilan Province hemophiliacs to determine the frequency of hepatitis B surface antigen (HbsAg), anti hepatitis C antibody and liver function test impairments. This study was done from Feb to Apr 1999 among hemophiliacs registered in Guilan Hemophilia Society. Pat...

Journal: :International Journal of Power Electronics and Drive Systems (IJPEDS) 2019

2008
George R. S. Weir Nikolaos K. Anagnostou

A readability measure that can reliably estimate the difficulty level of sample texts has great potential in ESL teaching. We argue for the inclusion of collocation frequency as a generic factor in estimates of ESL text readability, since the readability of any text will be affected adversely by the presence of collocations. Collocational word combinations are seldom amenable to comprehension s...

2014
Mike Just

With an ever-increasing number of briefer interactions with a larger number of different “things”, innovative perspectives on authentication could be helpful. Ideally, authentication solutions are designed to balance requirements of security with those of usability, with the latter including cognitive ability for choosing credentials such as passwords, and memorability of those credentials. Som...

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