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hellmann中文是什么意思

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用"hellmann"造句"hellmann"怎么读"hellmann" in a sentence

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  • 黑尔曼

例句与用法

  • The generalization and application of teyman hellmann theorem
    海尔曼定理的推广及应用
  • Hellmann , murdock , stiglitz ( 2000 ) . liberalization , moral hazard in banking , and prudential regulation : are capital requirements enough [ j ] . the american economic review , vol . 90
    张春.经济发展不同阶段对金融体系的信息要求和政府对银行的干预:来自韩国的经验教训.经济学(季刊) [ j ] .第1卷第1期
  • Long - term changes in rain patterns linked to global warming and the paving over of habitat could be playing a role , said jessica hellmann , an entomologist with the university of notre dame who has examined shapiro ' s data
    因此,最近的数周内,夏皮洛和他的学生在戴维斯地区只观测到了一只苎胥。而通常情况下,现在应该有很多苎胥出现才对。
  • There has been many papers to discuss the in - medium quark and gluon condensates in nuclear matter which use the models with su ( 2 ) l su ( 2 ) r sym - metry . now , we make use of the chiral model su ( 3 ) l su ( 3 ) n including the baryon octet to discuss the quark condensate < qq > in strange matter , where q is an up or down quark field . on the one hand , from the experimetal data , it is found that < qq > vac = - ( 225 25mev ) 3 , on the other hand , with the hellmann - feynman theorem , quark condensate can be evaluated on the hadronic level . in this paper , we will investigate the quark condensate in strange matter with the chiral symmetry su ( 3 ) l x su ( 3 ) rspontaneous breaking lagrangian to obtain the variation of the quark condensate in the strange matter when the baryon number change . it can be applied to understand the neutron stars when the neutron star are considered to be constructed by the strange matter . because nertron stars are homogeneous and at very low temperature , we will use the mean - field approximation and zero temperature throughout this paper
    鉴于已有大量文献讨论了核物质中的夸克凝聚,本文将讨论在奇异物质中的夸克凝聚。而在介质中的夸克凝聚的基本公式可由hellmann - feynman理论导出,所以运用手征对称自发破缺拉氏量以及平均场近似,我们就可以讨论在奇异物质中的夸克凝聚,由所计算的结果表明: ( 1 )奇异物质中的夸克凝聚随奇异物质密度的增大而单调减小。 ( 2 ) -凝聚的出现对衰减率有影响。
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