نتایج جستجو برای: trace envelope

تعداد نتایج: 105719  

Journal: :modares journal of medical sciences: pathobiology 2010
lida moghadam banaem elahe seddighi looye anoushirvan kazemnejad azam afshar

objective: considering the various evidences due to effects of trace elements on the outcome of pregnancy, we decided to assess the effect of these elements levels in maternal and cord serum on low birth weight. materials and methods: an analytical cross-sectional study was performed on 344 pregnant women in labour and their neonates in maryam, akbarabadi and vali-e-asr hospitals in tehran, ir...

Journal: :medical journal of islamic republic of iran 0
z ghoreshi sk ahaley i rasooli from the department of biochemistry, government medical college, miraj, india, and the dept. of biology, shahed university, tehran, i.r. iran.

hemodialysis is being implicated in the development of metabolic disturbances, as complications have been observed and the role of trace metals in their development has been questioned. in 78 renal failure patients who underwent hemodialysis, serum levels of zinc and copper were determined before and after first hemodialysis. acute and chronic renal failure patients were found to have lower ser...

Journal: :wavelets and linear algebra 0
hossein momenaee kermani department of pure mathematics, faculty of mathematics and computer, shahid bahonar university of kerman

in this paper we study triangularization of collections of matrices whose entries come from a finite-dimensional division ring. first, we give a generalization of guralnick's theorem to the case of finite-dimensional division rings and then we show that in this case the reduced trace function is a suitable alternative for trace function by presenting two triangularization results. the firs...

پایان نامه :وزارت علوم، تحقیقات و فناوری - پژوهشگاه ملی مهندسی ژنتیک وزیست فناوری 1389

کیتین n(c8h13o5n ) دومین پلیمر مهم از نظر فراوانی درجهان است. کیتین از پیش ساز فعالudp-n- acetylglucoseamine به وسیله آنزیم کیتین سینتاز، سنتز می شود. مقدار کیتین از سخت پوستان در کل محیط های دریایی 1560 میلیون تن تخمین زده شده است. اسکلت خارج سلولی سخت پوستان (پوسته خرچنگ، لابستر ومیگو) به طور متداول از اصلی ترین منابع زیستی کیتین می باشد. میکروارگانیسم ها اولین تجزیه کننده های کیتین در طبیعت ...

Journal: :the modares journal of electrical engineering 2009
g.r. sowlat

in scpc-dama satellite networks, the baseband rrc pulse shaping is utilized to reduce the bandwidth and inter symbol interference (isi). but the variation in carrier's envelope, which expands the spectrum and ultimately increases the bandwidth, causes isi and quadrature channel crosstalk (qcc). the goal of this paper is to introduce a method to shape baseband rrc pulses, in order to make a near...

Journal: :The Astrophysical journal 1999
M R Hogerheijde E F van Dishoeck J M Salverda G A Blake

Aperture-synthesis and single-dish (sub-) millimeter molecular-line and continuum observations reveal in great detail the envelope structure of deeply embedded young stellar objects (SMM 1 = FIRS 1, SMM 2, SMM 3, SMM 4) in the densely star-forming Serpens Molecular Cloud. SMM 1, 3, and 4 show partially resolved (>2" = 800 AU) continuum emission in the beam of the Owens Valley Millimeter Array a...

Journal: :Current Biology 2007

Journal: :Revista de Patologia Tropical 2012

Journal: :International journal of advanced geosciences 2022

An integrated approach of reservoir characterization a field was performed using seismic attributes and petrophysical parameters for the evaluation subsurface geological features hydrocarbon potential an onshore in Niger Delta Basin. Four intervals were identified within wells based on their position stratigraphic column, correlation, which aided principle uniform horizontality, simple rule tha...

Journal: :Astronomy and Astrophysics 2021

Context. Physical processes that govern the star and planet formation sequence influence chemical composition evolution of protoplanetary disks. Recent studies allude to an early start already during a disk. To understand protoplanets, we need constrain structure disks from whence they are formed. Aims. We aim determine molecular abundance young disk around TMC1A protostar on au scales in order...

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