نتایج جستجو برای: ar 40
تعداد نتایج: 391211 فیلتر نتایج به سال:
Cathode strip chambers (CSCs) are multiwire proportional counters that will be used as muon detectors in the Compact Muon Solenoid (CMS) experiment at the European Center for Nuclear Research (CERN). The composition of the gas inside the chamber influences important chamber parameters, such as gas gain and operational voltage range. Differences in these parameters were examined under variations...
OBJECTIVES The interaction between aortic valve (AV) and aortic wall pathology is currently unclear. No intraoperative examination or investigation is able to predict postoperative dissection or aneurysm formation in patients operated on for primary AV pathology. The aim of the present study was therefore to evaluate the mechanical and histological properties of the aortic wall in patients oper...
Knowledge of the outgassing history of radiogenic (40)Ar, derived over geologic time from the radioactive decay of (40)K, contributes to our understanding of the geodynamic history of the planet and the origin of volatiles on Earth's surface. The (40)Ar inventory of the atmosphere equals total (40)Ar outgassing during Earth history. Here, we report the current rate of (40)Ar outgassing, accesse...
The thermodynamical conditions and the neutron density produced in a laser-induced implosion of deuterium-tritium (DT) filled capsule at National Ignition Facility (NIF) are closest laboratory analog stellar conditions. We plan to investigate neutron-induced reactions on 40 Ar, namely Ar( n , 2 ) 39 t 1/2 =268 y), γ) 41 Ar(110 min) potential rapid two-neutron capture reaction Ar(2 42 Ar(33 y) a...
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