نتایج جستجو برای: 131 cs source
تعداد نتایج: 464425 فیلتر نتایج به سال:
A fully integrated CMOS wideband Low Noise Amplifier (LNA) operating over 2.3–7 GHz is designed and fabricated using a 0.18 μm CMOS process. The proposed structure is a common sourcecommon source (CS-CS) cascode amplifier with a coupling capacitor. It realizes both low voltage drop at load resistor (Rload) and high gain over 2.3–7 GHz with simultaneous noise and input matching and low power con...
In a drinking water distribution system, biofilm-producing bacteria are considered an alarm bell for increased emergence of waterborne pathogens. This study aims to monitor the prevalence biofilm-forming Aeromonas species in systems different broiler chicken farms. The antimicrobial activity thyme essential oil (TEO), nano-emulsion (TEO-N), chitosan (CS), nanoparticles (CS-NPs), and both CS CS-...
برای زیرمدول nاز m،زیرمدول kازm را مکمل n گوییم، اگر k بااین خاصیت که با n اشتراک صفر دارد ماکسیمال باشد. زیرمدول kازm را مکمل گوییم،اگر مکمل یک زیرمدول از m باشد. مدول را cs-مدول گوییم، اگر هر زیرمدول مکمل آن جمع وند مستقیمش باشد. مدول را c??-مدول ضعیف گوییم، اگر هر زیرمدول نیم ساده از آن دارای مکملی باشد که جمع وند مستقیمش باشد. در این پایان نامه نشان داده شده که اگر مدول m یک c??-مدول ضعیف ب...
Eastern equine encephalitis (EEE) virus perpetuates in an enzootic cycle involving ornithophilic mosquito vectors, principally Culiseta melanura (Coquillett) and avian amplification hosts. To better understand the role of Cs. melanura and Culiseta morsitans (Theobald) in the epizootiology of EEE virus, we collected blood-fed mosquitoes between 31 May and 15 October 2004 at two sites associated ...
This paper is based on analysis of a common source - common gate low noise transconductance amplifier (CS-CG LNTA). Conventional noise analyses equations are modified by considering to the low output impedance of the sub-micron transistors and also, parasitic gate-source capacitance. The calculated equations are more accurate than calculated equations in other works. Also, analyses show that th...
هدف اصلی پژوهش حاضر، ارائه ی راهکاری برای طراحی فضای باز در محیط های آموزشی کودکان با تأکید بر ارتقای یادگیری بوده است. راهکاری که برخلاف سایر تحقیقات تنها به یک عامل نپرداخته و متشکل از مجموعه ای از مهم ترین عوامل کاربردی برای طراحان در این زمینه میباشد. ابتدا با شناخت مؤلفه های مؤثر بر فضای باز مختص کودکان و ارتباط آن با یادگیری بستری برای مطالعه فراهم شد. بر همین اساس با معرفی نظریه (seve...
The aim of study was to evaluate efficacy of extracted Chondroitin Sulfate (CS) from chicken keel cartilages, its comparison with standard CS from shark origin alone and in combination with Glucosamine Sulfate (GS) in developed and standardized papain induced Osteoarthritis (OA) rat model. Control group (normal) received sterile normal saline solution while experimental group’s papain intra-art...
This study investigated saccharification and protein-level responses to the candidate biofuel feedstocks corn stover (CS) and soybean residue (SR) by the gut of a lower termite. The focus termite was Reticulitermes flavipes, which is a highly efficient digester of wood lignocellulose that houses a mixture of prokaryotic and eukaryotic microbes in its gut. Our specific objectives were to (i) mea...
Chronic obstructive pulmonary disease (COPD) is related to an abnormal chronic inflammatory response of the lung to mainly cigarette smoke (CS) and the disease risk is increased in aged individuals. The source of this chronic inflammation is due to the repeated and progressive activation of immune cells. We hypothesize that in a chronic CS-induced mouse model, the predisposition to COPD pathoge...
Despite many recent advances in genotype characterization of Enterocytozoon bieneusi worldwide and the exploration of the extent of cross-species transmission of microsporidiosis between humans and animals, the epidemiology of this neglected disease in China is poorly understood. In this study, a very high prevalence (60.3%; 94/156) of E. bieneusi infections in farmed pigs in Jilin province was...
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