نتایج جستجو برای: 27 and 14

تعداد نتایج: 16893312  

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه رازی - دانشکده کشاورزی 1390

سن aelia furcula یکی از آفات مزارع گندم و جو محسوب می شود. استفاده از زنبورهای پارازیتویید جهت کنترل جمعیت آفت می تواند از روش های مناسب جایگزین سم پاشی باشد. زنبور trissolcus grandis به عنوان مهم ترین پارازیتویید این آفت در شرایط طبیعی معرفی شده است. در این تحقیق آماره های زیستی آفت و پارازیتویید آن در شرایط آزمایشگاهی بررسی گردید. نمونه برداری آفت، در بهار 1390 از مزارع گندم و جو استان کرمانش...

2003
Ü. Ertan M. A. Alpar

We show that the giant flares of soft gamma-ray repeaters ( ergs) can push the inner regions of a fall44 E ∼ 10 back disk out to larger radii by radiation pressure, while matter remains bound to the system for plausible parameters. The subsequent relaxation of this pushed-back matter can account for the observed enhanced X-ray emission after the August 27 giant flare of SGR 1900 14. Based on th...

2006
Yasuyuki T. Tanaka Toshio Terasawa Nobuyuki Kawai Ichiro Yoshikawa

The soft gamma repeater (SGR) 1900+14 emitted the giant flare on 27 August 1998. Most gammaray detectors saturated during the initial spike of the giant flare because of the intense flux. However the plasma particle detector onboard GEOTAIL observed the first 300 ms time profile with a time resolution of 5.577 ms and the initial spike of the giant flare was first resolved. The time profile show...

Journal: :Memorias do Instituto Oswaldo Cruz 2010
André Ricardo Ribas Freitas Augusto César Penalva Oliveira Luiz Jacintho Silva

Schistosomal myeloradiculopathy (SMR) is a form of schistosomiasis that is not linked with a high worm burden but rather is found in patients who have been sporadically exposed to Schistosoma mansoni. This paper aims to determine the occurrence of SMR in a low-endemic area with urban transmission in Campinas, São Paulo, Brazil. A retrospective study was performed, identifying confirmed cases in...

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه شیخ بهایی - دانشکده زبانهای خارجی 1391

phatic communion is a cultural concept which differs across cultures. according to hofstede (2001), the u.s. tends to have individualistic culture; however, asian countries tend to have collectivistic cultures. these cultures view phatic communion differently. in individualistic cultures like u.s., phatic communion reflects speakers’ socio-cultural relationships in conversations. to see whether...

Journal: :مجله علوم اعصاب شفای خاتم 0
samira zabihyan department of neurosurgery, mashhad university of medical sciences, mashhad, iran

traumatic brain injury (tbi) is a significant public health concern in our country, because of placing in top three most common causes of death and substantial direct and indirect costs to society. the incidence of tbi in our country is 1.7 times of international incidence. traumatic brain injury induced by primary and secondary mechanisms that give rise to death and neurologic morbidity in pat...

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