通过对系杆拱桥作用在拱肋上的荷载性质进行了分析，采用能量法推导出无横撑下承式系杆拱桥侧倾稳定临界荷载的一般公式。
Using energy method, the general formula for calculation of lateral stability of through bowstring tied arch bridge without transverse beams given.
本文报导了聚苯撑醚砜碱法缩聚动力学的研究。
The present paper reports the studies of the alkaline polycondensation kinetics of poly (phenylene ether sulfone).
本文针对设置有对称斜腹杆的钢筋混凝土框架-桁架结构，运用非线性规划方法拟牛顿乘子法，对框架-桁架结构体系中斜撑的刚度进行优化。优化结果可供工程设计参考使用。
In this paper, a nonlinear planning method, quasi Newton multiplier method, is introduced for the optimization of the bracing stiffness in braced frame structures with symmetric bracings.
通过对系杆拱桥作用在拱肋上的荷载性质进行了分析，采用能量法推导出无横撑下承式系杆拱桥侧倾稳定临界荷载的一般公式。
With the background of lateral stability of non-range-spacer through bowstring arch, analytical approximations are derived in this paper using energy variational approach.
本文采用循环伏安法和恒电流法在惰性电极与304不锈钢低频载波氧化膜上合成了聚对苯撑与聚噻吩膜。
In this article, polythiophene and polyparaphenylene films were prepared both on inert electrodes and 304 stainless steel by electrochemical methods.
本文采用循环伏安法和恒电流法在惰性电极与304不锈钢低频载波氧化膜上合成了聚对苯撑与聚噻吩膜。
In this article, polythiophene and polyparaphenylene films were prepared both on inert electrodes and 304 stainless steel by electrochemical methods.
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