نتایج جستجو برای: quality and quantity

تعداد نتایج: 16922884  

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه بیرجند 1388

a significant problem in multicarrier communication systems is the necessity to reduce the value of papr (peak-to-average power ratio) of transmitting signal. in this thesis we study the effect of the system parameters such as coding and modulation types on papr and ultimate ber in a mc-cdma system. in this study we consider fading channel as well as the nonlinearity of transmitter’s amplifier ...

Journal: :Quality and Safety in Health Care 1997

Journal: :The EMBO journal 2010
Eric S Underbakke Laura L Kiessling

Eric S Underbakke and Laura L Kiessling The EMBO Journal (2010) 29, 4237. doi:10.1038/emboj.2010.303 Correction to: The EMBO Journal (2010) 29, 3435–3436. doi:10.1038/emboj.2010.246 Since the publication of this paper, the authors have noticed errors in reference citations. On page 3436, left column, rows 24 and 32, the reference citations for ‘Sourjik and Berg, 2004’ should instead refer to ‘N...

2015
Delong Liu Weijing Sun Jingzhou Hou Ruirong Yuan Zihai Li

Journal of Hematology & Oncology is pleased to see the exponential growth in the number of publications from China, especially in hematology and oncology. This editorial calls for putting more weight on the quality of the future scientific output and invites rigorous dialogs among policy makers, granting agencies, academic leaders, physicians, and scientists, followed by concrete actions, to ac...

Journal: :desert 2006
n. baghestani maybodi m. a. baghestani maybodi s. soufizadeh

the high quality and quantity seed production in old saxual shrubs are essential for regeneration and sustainable development of saxual forests in desert areas. the objective of this study was to determine the effects of different pruning height on saxual seed production. the study was carried out in an obviously wilted saxual forest located in ashkezar desert in yazd in 1994. the experiment wa...

نمودار تعداد نتایج جستجو در هر سال

با کلیک روی نمودار نتایج را به سال انتشار فیلتر کنید