نتایج جستجو برای: قاعده همدمای خطی lir
تعداد نتایج: 38846 فیلتر نتایج به سال:
We present Herschel observations of six fine-structure lines in 25 Ultraluminous Infrared Galaxies at z < 0.27. The lines, [O III]52μm, [N III]57μm, [O I]63μm, [N II]122μm, [O I]145μm, and [C II]158μm, are mostly single gaussians with widths <600 km s and luminosities of 10 − 10L⊙. There are deficits in the [O I]63/LIR, [N II]/LIR, [O I]145/LIR, and [C II]/LIR ratios compared to lower luminosit...
آترازین در زمره پرمصرف ترین علف کش هاست و مقدار مصرف آن در دنیا بین 70000 تا 90000 تن در سال تخمین زده شده است. این علف کش در بسیاری از کشورها جزو علف کش های رایج آلوده کننده آب های زیرزمینی محسوب می شود. سرنوشت آترازین در خاک به بر هم کنش های آن با اجزای خاک بستگی دارد. مدل های انتقال این علف کش در خاک مستلزم آگاهی از ضرایب توزیع معادلات همدمای جذب و واجذب است که عمدتاَ از مطالعات پیمانه ای به ...
Antigen-specific cytolytic CD4+ T lymphocytes control Mycobacterium tuberculosis infection by secreting cytokines and by killing macrophages that have phagocytosed the pathogen. However, lysis of the latter cells promotes microbial dissemination, and other macrophages engulf the released bacteria. Subsequently, CD4+ T-cell-mediated killing of macrophages goes on, and this persistent process may...
A locally irregular multigraph is a whose adjacent vertices have distinct degrees. The edge coloring an of G such that every color induces submultigraph G. We say colorable if it admits and we denote by lir(G) the chromatic index G, which smallest number colors required in conjecture for connected graph not isomorphic to K2, 2G obtained from doubling each lir(2G)≤2. This concept closely related...
BACKGROUND Bronchoscopic thermal vapor ablation (BTVA) reduces lung volumes in emphysema patients by inducing a localized inflammatory response (LIR) leading to a healing process of fibrosis, but may also increase symptoms. OBJECTIVES We sought to evaluate whether the clinical manifestation of LIR correlated with patient outcome. METHODS Respiratory adverse events and inflammatory markers w...
Rafael Capurro has defined Angeletics (or messaging theory—John Holgate’s preferred term) as the study of messages and messaging and proposed its paradigmatic role in 21st century science and society. As stated in Messages and Messengers. Angeletics as an Approach to the Phenomenology of Communication, edited by Capurro and Holgate, the objective of Angeletics is to further both a philosophical...
The role of star formation in luminous and ultraluminous infrared galaxies (LIRGs, LIR 10 L ; ULIRGs, LIR 10 L ) is a hotly debated issue: while it is clear that starbursts play a large role in powering the IR luminosity in these galaxies, the relative importance of possible enshrouded AGNs is unknown. It is therefore important to better understand the role of star-forming gas in contributing t...
We examine what types of galaxies the conversion formula from dust infrared (IR) luminosity into the star formation rate (SFR) derived by Kennicutt (1998) is applicable to. The ratio of the observed IR luminosity, LIR, to the intrinsic bolometric luminosity of the newly (. 10 Myr) formed stars, LSF, of a galaxy can be determined by a mean dust opacity in the interstellar medium and the activity...
ما در این پایان نامه، با محاسبه ی فاکتور ساختار،سیالات تک اتمی با استفاده از مدلی برای تابع همبستگی مستقیم،ساختار سیالات چگال را مورد بررسی قرار داده ایم. در این مدل، تابع همبستگی مستقیم بر اساس نظریه ی اختلال مرتبه اول به دو سهم مغزی و دنباله تقسیم شده است. برای توصیف سهم مغزی تابع از معادله ی py استفاده نمودیم که واجد ضرایبی است که وابستگی چگالی دارند. سهم دنباله ی تابع نیز به پتانسیل جفت یوک...
The mitochondrial genome of the peronosporomycete water mold Saprolegnia ferax has been characterized as a 46 930 bp circle containing an 8618 bp large inverted repeat (LIR). Eighteen reading frames encode identified subunits of respiratory complexes I, III, IV and V; 16 encode polypeptides of small and large mitoribosome subunits; and one encodes a subunit of the sec-independent protein transl...
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