نتایج جستجو برای: environmental units
تعداد نتایج: 535971 فیلتر نتایج به سال:
We have studied superionization and X-ray line formation in the spectra of z Pup using our new stellar atmosphere code (XCMFGEN) that can be used to simultaneously analyze optical, UV, and X-ray observations. Here, we present results on the formation of the O vi ll1032, 1038 doublet. Our simulations, supported by simple theoretical calculations, show that clumped wind models that assume void in...
We have studied superionization and X-ray line formation in the spectra of z Pup using our new stellar atmosphere code (XCMFGEN) that can be used to simultaneously analyze optical, UV, and X-ray observations. Here, we present results on the formation of the O vi ll1032, 1038 doublet. Our simulations, supported by simple theoretical calculations, show that clumped wind models that assume void in...
Discrete Absorption Components (DACs) seen in ultraviolet lines are one of the clearest indicators of large-scale structure in the winds of hot stars. Cranmer & Owocki (1996) attributed these DACs to Corotating Interaction Regions (CIRs) which are formed when slow and fast streams collide in the wind. In their model, CIRs are produced by introducing a spot on the stellar surface. The spot can l...
the main purpose of this research was to determinate the factors effective on environmental attitude of owners and managers of small and medium-sized enterprises (smes) by using structural equation modeling. according to the data from agriculture department of two counties, small and medium-sized enterprises were estimated at 540 units. using cochran’s formula determined the sample & 202 owners...
It has recently been suggested that the winds from classical T Tauri stars in general, and the wind from TWHya in particular, reaches temperatures of 300,000 Kwhile maintaining a mass-loss rate of 10 M yr 1 or larger. If confirmed, this would place strong new requirements on wind launching and heating models. We therefore reexamine spectra from the Space Telescope Imaging Spectrograph aboard th...
comparison of efficiency of ep i max s and epimax sc disinfectants on bacteria causing infections in intensive care units valizade ma [1] , khorsandi h [2] , amini tapok f [3] , hosseini jazani n [4] , rahimi rad mh [5] , aqdashi mm [6] , sardari s [7] received: 23 aug, 2012 accepted: 20 nov, 2012 abstract background & aims : nosocomial infections cause death, increase costs and the...
Spectrophotometric measures were used to determine the redness:browness (R630/R580) of 4238 lamb longissimus muscle after 3 days under simulated display. The results were analysed using linear mixed effects models. Environmental factors represented by effects such as kill group and site of production produced the greatest variation of up to 2.76 units in R630/R580. Isocitrate dehydrogenase acti...
Multilevel societies (MLS), in which polygynous reproductive units are nested in a larger social matrix, represent a highly complex social system documented only in a small number of mammalian species. Using long-term behavioural data, satellite telemetry and social network analysis, we present a new framework for understanding the function and social dynamics of the golden snub-nosed monkey ML...
A total of 1,023 environmental surfaces were sampled from 45 rooms with patients infected or colonized with methicillin-resistant Staphylococcus aureus (MRSA) or vancomycin-resistant enterococci (VRE) before terminal room cleaning. Colonized patients had higher median total target colony-forming units (CFU) of MRSA or VRE than did infected patients (median, 25 CFU [interquartile range, 0-106 CF...
We report the detection with FUSE of strong, highly blue-shifted absorption features appearing in the absorption troughs of practically all major P Cygni profiles in the presumably single Wolf-Rayet star WR135. These features also appear in the shock-sensitive OVI 1032/38Å doublet, coincident both in time and velocity space with the rest of the lower-ionization species. Choosing between two alt...
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