نتایج جستجو برای: black widow spiders
تعداد نتایج: 148330 فیلتر نتایج به سال:
We report on a discovery of promising candidate as black widow millisecond pulsar binary, 4FGL J0336.0+7502, which shows many pulsar-like properties in the 4FGL-DR2 catalog. Within 95% error region LAT source, we identified an optical counterpart with clear periodicity at P(orb) = 3.718178(9) hours using Bohyunsan 1.8-m Telescope, Lulin One-meter Canada-France-Hawaii and Gemini-North. At positi...
Latrodectism or envenomation by widow-spiders is common and clinically significant worldwide. Alpha-latrotoxin is the mammalian-specific toxin in the venom that results in toxic effects observed in humans. Symptoms may be incapacitating and include severe pain that can persist for days. The management of mild to moderate latrodectism is primarily supportive while severe cases have variously bee...
The progress of technology involves the continuous improvement current machines to attain higher levels energy efficiency, operational dependability, and effectiveness. Induction heating is a thermal process that materials possess electrical conductivity, such as metals. This technique finds diverse applications, including induction welding cooking pots. optimization operating point inverter di...
Coronavirus (COVID-19) outbreak was first identified in Wuhan, China December 2019. It tagged as a pandemic soon by the WHO being serious public medical condition worldwide. In spite of fact that virus can be diagnosed qRT-PCR, COVID-19 patients who are affected with pneumonia and other severe complications only help Chest X-Ray (CXR) Computed Tomography (CT) images. this paper, researchers pro...
We report the optical identification of the companion to the Fermi black widow millisecond pulsar PSR J1544+4937. We find a highly variable source on Keck LRIS images at the nominal pulsar position, with 2 magnitude variations over orbital period in the B, g, R, and I bands. The nearly achromatic light curves are difficult to explain with a simply irradiated hemisphere model, and suggest that t...
Visualization technology can be used to present the analysis results in a more intuitive and easy-to-understand way, which help educators better understand moral education needs of college students, adjust their teaching strategies accordingly. The combination big data visualization also improve efficiency effectiveness colleges universities. research on path selection students based has great ...
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