1、

Based on the relation between cracking moment and yield moment of beam end section, the functions of minimum ratios of reinforcement for tension reinforcement of the beam end in positive and negative moment areas in ensuring seismic behavior of the structure are studied in this paper.

本文以梁端截面的开裂弯矩与屈服弯矩的关系为基础,分析了梁端正、负弯矩受拉钢筋最小配筋率在保证框架抗震性能中的作用。

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2、

Analytical modeling of positive ion beam generation through transmission surface ionization

透射表面电离生成正离子的解析模拟

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3、

The gas phase reaction of the singly positive charged aluminum ion with ethanethiol molecule clusters was investigated by the laser ablation molecular beam method. The cluster ions composed of Al+ and 1~ 6 ethanethiol molecules are produced.

利用激光溅射-分子束的方法研究了Al+和乙硫醇的气相化学反应,结果观察到了Al+与1~6个乙硫醇分子形成的团簇离子。

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4、
5、

the existence and uniqueness of positive solutions are established for the elastic beam equation where the nonlinear term is mixed monotone.

该文在非线性项是混合单调的条件下,得到了该方程正解的存在唯一性。

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6、

Oxidezed aluminum reflector in positive pole , which is designed for narrow & medium light beam .

进口阳极氧化铝 反光 器, 眩光更小.

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7、

One bare steel joint and two cruciform composite joint specimens were tested under low cyclic loading at the top of columns so that one side of the beam-to-column connections was under negative moment and the other side under positive moment.

进行了一个纯钢节点、两个组合节点的低周反复荷载试验。采用柱顶水平加载模式,连接的一侧承受负弯矩,而另一侧承受正弯矩。

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