نتایج جستجو برای: 1243

تعداد نتایج: 489  

Journal: :Science 2010
Kevin France Richard McCray Kevin Heng Robert P Kirshner Peter Challis Patrice Bouchet Arlin Crotts Eli Dwek Claes Fransson Peter M Garnavich Josefin Larsson Stephen S Lawrence Peter Lundqvist Nino Panagia Chun S J Pun Nathan Smith Jesper Sollerman George Sonneborn John T Stocke Lifan Wang J Craig Wheeler

Observations with the Hubble Space Telescope (HST), conducted since 1990, now offer an unprecedented glimpse into fast astrophysical shocks in the young remnant of supernova 1987A. Comparing observations taken in 2010 with the use of the refurbished instruments on HST with data taken in 2004, just before the Space Telescope Imaging Spectrograph failed, we find that the Lyα and Hα lines from sho...

2010
Chin-Cheng Wu Ching-Hsiewn Ou Wen-Pei Tsai Kwang-Ming Liu

The sergestid shrimp, Sergia lucens is one of the major marine resources in the waters off southwestern Taiwan. The maximum sustainable yield (MSY), total allowable catch (TAC) and fishing effort at MSY (EMSY) of the sergestid shrimp in this area were estimated to be 1008 tons, 907 tons and 11292 vessel-day, respectively by using the surplus production model with deterministic observation-error...

Journal: :Proceedings of the National Academy of Sciences of the United States of America 1988
P Gaspard X J Wang

We define the class of sporadic dynamical systems as the systems where the algorithmic complexity of Kolmogorov [Kolmogorov, A. N. (1983) Russ. Math. Surv. 38, 29-40] and Chaitin [Chaitin, G. J. (1987) Algorithmic Information Theory (Cambridge Univ. Press, Cambridge, U.K.)] as well as the logarithm of separation of initially nearby trajectories grow as n(v(0) )(log n)(v(1) ) with 0 < v(0) < 1 o...

Journal: :Journal of bacteriology 1964
T SUZUKI E A GORZYNSKI E NETER

Suzuki, T. (Children's Hospital, Buffalo, N.Y.), E. A. Gorzynski, and E. Neter. Separation by ethanol of common and somatic antigens of Enterobacteriaceae. J. Bacteriol. 88:1240-1243. 1964.-Ethanol in a concentration of 85% permits separation from crude culture supernatant fluids of the common enterobacterial antigen and the O antigen, the former being ethanol-soluble, the latter being ethanol-...

2005
A. R. Raffray L. El-Guebaly S. Malang X. Wang

This paper summarizes the results from the engineering effort during Phase I of the ARIES-CS study, covering the different blanket configurations and maintenance schemes that were considered and assessed. The main design parameters are summarized and key issues are discussed including the impact of different physics configurations on the engineering choices. These results will be used as the ba...

Journal: :Vision Research 1995
P. A. Ferreira

a Tdenzification of a 32 kDaiton protein in the bovine retinal pigment epithelium. Hethods A bovine retinal pigment epithelium cDNA library wa* constructed and immunologically screened with monoclonai antibody 21-C3/AV. A positive full-length clone, 21-C3RDH/CD, wan sequenced. Northern blot analysis were performed to analyze the tissue expression pattern. In order 'co analyze the function of th...

2017
Deborah L McBride Sandra A LeVasseur

BACKGROUND Coincident with the proliferation of employer-provided mobile communication devices, personal communication devices, including basic and enhanced mobile phones (smartphones) and tablet computers that are owned by the user, have become ubiquitous among registered nurses working in hospitals. While there are numerous benefits of personal communication device use by nurses at work, litt...

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