1) cross section ratio
截面比
1.
The cross section ratios of 90Zr (n,2n)89m+gZr to 93Nb (n,2n)92mZr reactions have been measured on several neutron energies by using silicon detectors and the plot of cross section retio of Zr to Nb against the neutron energy has been obtained.
叙述了用90Zr(n,2n)89m+gZr和93Nb(n,2n)92mNb反应截面比测定D-T中子平均能量的方法。
2.
The x-ray production cross section ratios L β/L α of elements Hf and W were measured as functions of electron energies(from threshold up to 32 keV).
本工作测量了元素Hf和W的L -X射线产生截面比Lβ/Lα 在从阈能到 3 2keV能区内同能量的函数关系 。
3) ratio of total cross section
总截面比
4) height-to-breadth ratio
截面长宽比
1.
Influence of height-to-breadth ratio on the behaviors of high strength concrete-filled RHS tubes;
截面长宽比对矩形钢管高强混凝土力学性能的影响
5) the ratio of cross-sectional area to lateral area
截侧面积比
1.
The approximate error thus obtained can be expressed as a function of the ratio of cross-sectional area to lateral area f/(Uh) and also as a function of Biot number Bi.
采用理论分析方法 ,将这样近似的误差表示为截 (面积与 )侧面积比f/(Uh)和毕渥数Bi的函数 ,并通过可能取值范围的计算 ,表明当等截面直肋的截侧面积比f/(Uh) <0 。
补充资料:比昂斯滕·比昂松
比昂斯滕·比昂松(1832~1910)挪威戏剧家、诗人、小说家。主要作品有剧作《皇帝》、《挑战的手套》,诗集《诗与歌》等。1903年作品《挑战的手套》获诺贝尔文学奖 。获奖理由: “他以诗人鲜活的灵感和难得的赤子之心,把作品写得雍容、华丽而又缤纷”。
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