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排序方式: 共有162条查询结果,搜索用时 15 毫秒
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Glebov VY Sangster TC Stoeckl C Knauer JP Theobald W Marshall KL Shoup MJ Buczek T Cruz M Duffy T Romanofsky M Fox M Pruyne A Moran MJ Lerche RA McNaney J Kilkenny JD Eckart MJ Schneider D Munro D Stoeffl W Zacharias R Haslam JJ Clancy T Yeoman M Warwas D Horsfield CJ Bourgade JL Landoas O Disdier L Chandler GA Leeper RJ 《The Review of scientific instruments》2010,81(10):10D325
The National Ignition Facility (NIF) successfully completed its first inertial confinement fusion (ICF) campaign in 2009. A neutron time-of-flight (nTOF) system was part of the nuclear diagnostics used in this campaign. The nTOF technique has been used for decades on ICF facilities to infer the ion temperature of hot deuterium (D(2)) and deuterium-tritium (DT) plasmas based on the temporal Doppler broadening of the primary neutron peak. Once calibrated for absolute neutron sensitivity, the nTOF detectors can be used to measure the yield with high accuracy. The NIF nTOF system is designed to measure neutron yield and ion temperature over 11 orders of magnitude (from 10(8) to 10(19)), neutron bang time in DT implosions between 10(12) and 10(16), and to infer areal density for DT yields above 10(12). During the 2009 campaign, the three most sensitive neutron time-of-flight detectors were installed and used to measure the primary neutron yield and ion temperature from 25 high-convergence implosions using D(2) fuel. The OMEGA yield calibration of these detectors was successfully transferred to the NIF. 相似文献
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Stoeckl C Cruz M Glebov VY Knauer JP Lauck R Marshall K Mileham C Sangster TC Theobald W 《The Review of scientific instruments》2010,81(10):10D302
The detection of neutrons in fast-ignitor experiments or down-scattered neutrons in inertial fusion experiments is very challenging since it requires the neutron detection system to recover within 10-100 ns from a high background orders of magnitude stronger than the signal of interest. The background is either the hard x-ray emission from short-pulse laser target interactions for the fast-ignitor experiments or the primary neutron signal for the down-scattered neutrons. A liquid-scintillator detector has been developed using a gated photomultiplier that suppresses the background signal and eliminates the afterglow present in conventional plastic scintillators. 相似文献
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Karpyuk L. A. Novikov V. V. Kulakov G. V. Konovalov Yu. V. Leont’eva-Smirnova M. V. Golubnichii A. A. Ivanov S. I. Makarov F. V. Glebov A. V. 《Atomic Energy》2021,130(4):224-228
Atomic Energy - The results of R&D work on alternative materials for accident-tolerant fuel-rod cladding are reported. The chromium-nickel alloy 42KhNM and multilayer composite material... 相似文献
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V. A. Naletov L. S. Gordeev M. B. Glebov A. Yu. Naletov 《Theoretical Foundations of Chemical Engineering》2011,45(5):631-639
The information entropy-based quantitative interpretation of Roullier’s evolutionary law of the system organization of organisms
is given as applied to chemical engineering systems. The relationships characterizing the optimal distribution of expenses
on the organization of objects were derived for multipurpose processes and multiroute systems from the viewpoint of creating
a highly organized chemical engineering system. 相似文献
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