نتایج جستجو برای: lined
تعداد نتایج: 4816 فیلتر نتایج به سال:
Long duration γ-ray bursts are thought to be a rare subclass of stripped-envelope core-collapse supernovae that launch collimated relativistic outflows (jets). All γ-ray-burst-associated supernovae are spectroscopically of Type Ic with broad lines, but the fraction of broad-lined Type Ic supernovae harboring low-luminosity γ-ray-bursts remains largely unconstrained. Some supernovae should be ac...
We present methodology to derive high-precision estimates of the fundamental parameters of double-lined spectroscopic binaries. We apply the methods to the case study of the doublelined β Cephei star β Centauri. We also present a detailed analysis of β Centauri’s line-profile variations caused by its oscillations. High-resolution spectral time series and visual or interferometric data with a go...
A plague (Yersinia pestis) epizootic spread through Gunnison's prairie dogs (Cynomys gunnisoni), and possibly other rodent species, in the Moreno Valley in north-central New Mexico between winter 1984-1985 and autumn 1987. We observed the progress of the epizootic and subsequent population recovery at four prairie dog towns within the valley during this period. At two towns (Midlake and Val Ver...
Malformations of the spine and spinal cord are common in domestic mammals. Among these, syringomyelia is defined as a cystic, fluid filled tubular cavity (syrinx) within the spinal cord extending over several segments. Syringomyelia occurs as a primary congenital malformation and is most commonly combined with neural tube defects. However, it can also be acquired after alterations in cerebrospi...
Background The lined seahorse, Hippocampus erectus , is an Atlantic species and mainly inhabits shallow sea beds or coral reefs. It has become very popular in China for its wide use in traditional Chinese medicine. In order to improve the aquaculture yield of this valuable fish species, we are trying to develop genomic resources for assistant selection in genetic breeding. Here, we provide whol...
High rainfall with a very high intensity can cause inundation. The purpose of this study was to determine the magnitude designed flood discharge that occurred, and number infiltration wells needed reduce rainwater runoff. This research uses data maximum 10 years daily for observation. results showed 5 return period 47.24 mm/hr resulting in design 2.27 m3/second. average well water level is 5.08...
Using measured radial velocity data of five double-lined spectroscopic binary systems EQ Tau, V376 And, V776 Cas, V2377 Oph and V380 Cygni, we find corresponding orbital and spectroscopic elements via the method introduced by Karami & Teimoorinia and Karami & Mohebi. Our numerical results are in good agreement with those obtained by others using more traditional methods.
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