在飞行时间方法测量 2 0 0keV— 1 2MeV能区内2 48Cm和2 5 2 Cf自发裂变瞬发中子谱 ,以国际原子能机构推荐的2 5 2 Cf自发裂变瞬发中子谱为标准 ,可以免去探测器效率刻度的问
Silicone coatings have been used in this study. The method adopted was the liquid drop analysis on the coated fabrics. The contact angle between a liquid drop a
给出了γγ→γZ过程,质心系总能量在91.2—2000GeV的总截面. 结果表明在总能量大于140GeV时,W玻色子图的贡献比起费米子图的贡献要大,当总能量在750GeV左右,截面达到极大值220fb
本文从国内外的研究现状出发,阐述了近年来直肠癌检测的技术发展过程,介绍了蛋白组学检测的可行性,进而综述了早期检测直肠癌的新技术方向.
通过车辙试验、马歇尔冻融劈裂试验、约束试件温度应力试验和小梁弯曲疲劳试验等一系列沥青混合料室内性能试验,评价具有不同旧料掺配率的热再生沥青混合料的高温稳定性能、
通过分析现浇箱梁支架施工技术,论述其施工过程中具体的质量控制方法.
根据长脉冲多束团直线加速器对输入微波波形的要求,系统研究了带有SLED的微波系统,由SLED基本理论推导了输出RAMP波形和平顶波形脉冲时SLED所需的输入波形,给出SLED的参数优化方
Jinsha River Bridge is located along the Lijiang-Xamgyi'nyilha railway on the southeastern Tibet plateau; it is an area with a high prevalence of earthquakes.Th
A numerical method of integration of Green’s functi ons of strip element method (SEM) is proposed. The response of ultrasonic sourc e generated by a transducer
To understand the origin of the ultrafine pedogenic components responsible for the magnetic susceptibility (MS) enhancement remains a major challenging problem