نتایج جستجو برای: warm and hot forming processes
تعداد نتایج: 16896304 فیلتر نتایج به سال:
X-ray spectroscopy of Seyfert 1 galaxies often reveal absorption edges resulting from photoionized gas along the line-of-sight to the central engine, the so-called warm absorber. I discuss how recent ASCA observations of warm absorber variability in MCG−6-30-15 can lead us to reject a one-zone model and, instead, have suggested a multi-zone warm absorber. The evidence for dust within the warm a...
Introduction: Traditional Iranian medicine (TIM) is accompanied by little side effects in experience. The mechanisms involved in TIM are not much clear. The purpose of this study is assessment of differences of warm and cold nature persons in neuroendocrine system and cytokine pattern (Th1/Th2) of immune responses. Methods: Thirty seven 20 to 40 years old male volunteers were divided into 2 ...
rivers and runoff have always been of interest to human beings. in order to make use of the proper water resources, human societies, industrial and agricultural centers, etc. have usually been established near rivers. as the time goes on, these societies developed, and therefore water resources were extracted more and more. consequently, conditions of water quality of the rivers experienced rap...
Analytical investigations of the test tools reveal in the most heavily stressed parts of the bolt signifi cantly different wear patterns for the tested variants also in microsections (Fig. 2). Data for a wear analysis evaluation regarding adhesion (positive values) and abrasion (negative values) have been obtained by using a 3-D coordinate measuring machine to compare the contour after stress t...
X-ray spectroscopy of Seyfert 1 galaxies often reveal absorption edges resulting from photoionized gas along the line-of-sight to the central engine, the so-called warm absorber. I discuss how recent ASCA observations of warm absorber variability in MCG?6-30-15 can lead us to reject a one-zone model and, instead, have suggested a multi-zone warm absorber. The evidence for dust within the warm a...
Global warming and the meaningful relationship between temperature and precipitation changes over different areas of the earth with temperature increment of the earth, are considered as the most important patterns of this century’s climate changes. Today, there is debate over climate change and global temperatures increasing. Damaging effects of this phenomenon on the planet is one of the most ...
Stars and gas in galaxies, hot intracluster medium, and intergalactic photo-ionized gas make up at most half of the baryons that are expected to be present in the universe. The majority of baryons are still missing and are expected to be hidden in a web of warm-hot intergalactic medium. This matter was shock-heated during the collapse of density perturbations that led to the formation of the re...
(Dated: January 30, 2001) We calculate the incoherent resonant and non-resonant scattering production of sterile neutrinos in the early universe. We find ranges of sterile neutrino masses, vacuum mixing angles, and initial lepton numbers which allow these species to constitute viable Hot, Warm, and Cold Dark Matter (HDM, WDM, CDM) candidates which meet observational constraints. The constraints...
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