1)Gamma ray burstγ暴
1.Very high energy gamma rays from gamma ray bursts are explained by the expanding fireball model.以膨胀火球模型解释来自γ暴的甚高能γ射线,其中考虑了高能γ射线产生效率,相对论效应以及宇宙背景辐射等因素,计算表明,大于10Gev的γ射线的喷射可能在火球膨胀开始后约10~(-5)_s发生,其到达地面时的通量可达10~(-4)—10~(-6)cm~(-2)。
英文短句/例句
1.Relation between tested angular distribution and angular radius in search for GRBγ暴搜寻中实测角分布与角半径的关系
2.Statistical Distinctions of the Spectrum and Light Curves between Two Classes of Gamma-Ray Bursts;两类γ暴的谱形和光变曲线的统计差异
3.Search for VHE Grbs Using Yangbajing Cosmic-Ray Experiment;用羊八井宇宙线观测实验寻找甚高能γ暴
4.Analysis on Meso-γ Scale and Meso-β Scale Downpour in Coastal Zone of Hebei 11 Aug. 2008“08.8.11”河北海岸带中γ、β尺度大暴雨分析
5.Effect of Acute Lead Exposure on PKC-γ, NOS, NO of Rat Hippocampus;急性铅暴露对幼年大鼠脑海马中PKC-γ,NOS,NO的影响
6.Search for TeV GRBs using Tibet ASγ data用羊八井ASγ实验数据寻找TeV能区的γ射线暴
7.Study of Surface State and Mechanical Properties of Cast γ-TiAl Alloy by Machining and Exposure at High Temperature;铸造γ-TiAl合金机加工与热暴露表面状态及力学性能研究
8.Gamma Ray Bursts: Phase Transition from Neutron Matter to Quark-Gluon Plasma;γ射线暴:从中子物质到夸克胶子等离子体的相变
9.Dark field image of γ′, γ″ phases can be obseved in the same time by using superposed superlattice spot of (110) reciprocal plane of γ′_a, γ″ phases.利用γ′、γ″在(110)倒易面上超结构斑点重合来同时显现γ′、γ″相。
10.a raging tempest [sea]狂暴的暴风雨[海]
11.gamma motor neuronγ运动神经元 γ运动神经原
12.You have pressure! I have pressure! Why do you provoke me?⒛阌醒沽Γ∥矣醒沽Γ∧阕鲞闾粜莆野。
13.Study on Separation and Purification of Poly-γ-glutamtic Acid from Broth;γ-多聚谷氨酸(γ-PGA)的分离纯化研究
14.The geometric relations of crystal constants α,β,γ and α~*,β~*,γ~*;晶体常数α、β、γ与α~*、β~*、γ~*的几何关系
15.Procrustean treatment粗暴对待(the)
16.Effect of (Ti+Al)/Nb Value in γ′,γ″ and γ Phase Mixture on Volume Fraction of Phases in IN718 AlloyIN718合金γ′、γ″、γ中(Ti+Al)/Nb比值的变化对其相含量的影响
17.neutron-capture gamma-ray spectroscopy中子俘获γ射线光谱学
18.ray pasteurizationγ射线巴氏灭菌消毒法
相关短句/例句
gamma-ray burstγ射线暴
3)γ-ray burstγ射线暴
1.The fireball model is universally accepted as the standard model in explaining γ-ray bursts.火球模型被认为是γ射线暴的标准模型,而火球产生的机制是多方面的,其中之一就是奇异星相变,它既解释了γ射线暴的短时标、高能量特征,又避免了火球的重子污染这一最大难题。
4)gamma-ray burstsγ射线暴
1.Grand unified theory,lepton stars andgamma-ray bursts,quasars;大统一理论,轻子星和γ射线暴,类星体(英文)
2.The gamma-ray bursts (GRB) are the sudden flashes of the hard X/γ-rays in the sky with very complicated light curves.γ射线暴是天空中突然的硬X射线/γ射线爆发现象,有着非常复杂的光变曲线。
3.Major advances have been made in the field of gamma-ray bursts (GRBs) in recent years.γ射线暴 (称简γ暴 )的研究在最近几年里有了巨大的突破。
5)GRBγ射线暴
1.Magnetic converse-Compton scattering spectra and the radiation mechanism of GRB;磁逆Compton散射谱与γ射线暴辐射机制
2.Adopting electron cyclotron resonance absorption coefficient in semi classic quantum theory,using radiation transfer equation,we calculated the radiation spectra across the plasma near magnetic neutron star,and found it accords well with the observation spectra of GRB.运用半经典量子理论的电子回旋共振吸收系数 ,由辐射转移方程计算了通过磁中子星表面附近等离子体后的辐射谱 ,与 γ射线暴的观测谱符合得很好 。
6)Gamma-rayburst (GRB)γ暴(GRB)
延伸阅读
γ射线暴
[英文]:γ-ray burst[解释]: 天体 γ射线在短时间内突然大大增强的天文现象。是 γ射线 天文学研究的主要内容之一。它一般发生在能量为0.1~1.2兆电子伏的范围内,持续的时间为0.1~100秒。一次爆发释放的总能量约高达10 33 焦耳 。虽然1967年已有过记录,但被确证则是在1973年6月美国公布了维拉军事卫星的资料之后。平均每年可检测到6~10次,出现的方向随机分布。由于大多得不到光学证认,无法测定其准确的位置和距离,人们还无法确定它们是较近的银河系天体还是河外星系中的未知天体,因此仍是不解之谜。
