نتایج جستجو برای: 12 finding shows c

تعداد نتایج: 2059834  

Journal: :Applied and environmental microbiology 2011
Hiroyuki Iguchi Hiroya Yurimoto Yasuyoshi Sakai

Methanotrophs play a key role in the global carbon cycle, in which they affect methane emissions and help to sustain diverse microbial communities through the conversion of methane to organic compounds. To investigate the microbial interactions that cause positive effects on methanotrophs, cocultures were constructed using Methylovulum miyakonense HT12 and each of nine nonmethanotrophic bacteri...

A. R. Mehdizadeh G. Namdari M. Motamedifar, M. Taheri S. M. J. Mortazavi

Background: Pre-exposure to radiofrequency radiations of mobile phones would significantly increase the survival rate of exposed animals compared to those exposed to a lethal dose of gamma radiation alone. Stimulation of the immune system is believed to be a key mechanism for the induction of this phenomenon, the so-called “adaptive response.” The immune system protects organisms against in...

پایان نامه :0 1391

employees always concern about losing their job , or in other word , losing their income resources. for this purpose, every government requires strong system for covering these concerns. the unemployment insurance (ui) program’s can be used for achieving this goal. in this thesis, we price ui based on the insurance history of employee and the duration of being unemployed. we use the weibull dis...

2013
Alison Philbrook Belinda Barbagallo Michael M Francis

Nicotinic or ionotropic acetylcholine receptors (iAChRs) mediate excitatory signaling throughout the nervous system, and the heterogeneity of these receptors contributes to their multifaceted roles. Our recent work has characterized a single iAChR subunit, ACR-12, which contributes to two distinct iAChR subtypes within the C. elegans motor circuit. These two receptor subtypes regulate the coord...

2012
Inge Sänger Hans-Wolfram Lerner Tanja Sinke Michael Bolte

The Au(I) atom of the title compound, [AuI(C(12)H(27)P)], shows an almost linear coordination, with a P-Au-I angle of 178.52 (3)° [Au-P = 2.2723 (14) Å and Au-I = 2.5626 (6) Å].

2003
K. Michimoto T. Shimura T. Suzuki T. Hanada

For about a century, studies concerning summer thunderstorms in the middle latitude zone have elucidated data on both their meteorological and electrical features. By contrast, winter thunderstorms have been studied only for the last few decades. For both reasons of scientific interest and the practical purpose of preventing serious damage by winter thunderbolts to aircrafts and electric power ...

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