نتایج جستجو برای: سن مدل hf
تعداد نتایج: 174803 فیلتر نتایج به سال:
A cross-sectional comparative study was carried out to investigate the productive and reproductive performances of different genetic groups of crossbred cows at three different farming conditions in Bangladesh. Crossbred cows (n=90) those already completed third lactations, were selected randomly from three different dairy farms (e.g. Jarip, Mullah and Nahar) located in Chittagong, Bangladesh. ...
2014 As a sequel to a previous theoretical study of pressure induced lineshifts in the spectra of diatomic molecules pressurized by polar gases, some new experimental results became recently available and are reported in this paper. They concern the shifts in the HF(0-2) band due to HCl, and the HCl(0-1) and HCl(0-2) bands due to HF, for which predictions have been previously published. In the ...
تأثیر پرتوگیری مزمن بر ساکنین مناطق با پرتوزایی طبیعی بالا در شهر رامسر، استفاده از روش سیتوژنتیک سنجش هستکهای متوقف شده مرحله سیتوکینز و مقایسهی نتایج میان دو گروه مورد مطالعه کنترل، بررسی قرار گرفت. نشان داد اختلاف معنیداری (001/0< P) میانگین فرکانس شمارش لنفوسیتهای خون محیطی (ساکن منطقهی بالای رامسر) کنترل تنکابن) وجود دارد. همچنین، بعد پرتودهی نمونهها، افزایش بیشتری را هستکها نسبت ...
Hydraulic fracturing (HF), as a stimulation technique in petroleum engineering, has made possible the oil production from reservoirs with very low permeability. The combination of horizontal drilling and multiple HF with various perforation angles has been widely used to stimulate oil reservoirs for economical productions. Despite the wide use of HF, there are still ambiguous aspects that requi...
Background: Heart failure (HF) has become one of the most prevalent cardiovascular problems worldwide. Considering the beneficial effects of probiotics on human health, we aimed to investigate the anti-inflammatory effect of oral administration of Lactobacillus paracasei in HF induced by isoproterenol. Methods: Forty Wistar male rats weighing 80g on average were randomly assigned to five grou...
porous silicon (ps) samples have been prepared by electrochemical anodization of p-type silicon wafer by varying hf concentrations in the electrolytic solution. the structural, surface morphological, optical and surface composition analysis of the prepared samples were done by x-ray diffraction (xrd), scanning electron microscopy (sem), photoluminescence (pl) and fourier transform infrared (fti...
Sympathetic nerve discharge (SND) responses to hyperthermia are attenuated in aged rats without heart failure (HF) and in young HF (Y(HF)) rats, demonstrating that individually aging and HF alter SND regulation. However, the combined effects of aging and HF on SND regulation to heat stress are unknown, despite the high prevalence of HF in aged individuals. We hypothesized that SND responses to ...
در این پژوهش از یک مدل روزآزمون با تابعیت تصادفی برای برآورد پارامترهای ژنتیکی، پیشبینی ارزش اصلاحی حیوانات و برآورد روند ژنتیکی تولید شیر 305 روز استفاده شد. دادهها شامل 171360 رکورد روزآزمون ماهانة شیر دورة اول شیردهی در 96 گله، متعلق به 34257 گاو هلشتاین و سهبار دوشش بود که در سالهای 1999 تا 2008 زایش داشتند. در مدل استفاده شده، اثر ثابت گروه همزمان استان- گله- سال رکوردگیری- ماه زایش (P...
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