weight--to-power ratio

Results showed that the complexation of ultra high molecular weight nylon-6-nitromethane-gallium chloride could be realized by the above methods and the hydrogen bonds could be disrupted so the tensile ratio of the complexed polymer's film could attain to 20 times.

结果表明：采用上述方法可以制得无定型三氯化镓-硝基甲烷-超高分子质量尼龙6络合物，超高分子质量尼龙6分子间的氢键被屏蔽，络合物薄膜能拉伸到近20倍；

The optimum value of ball-to-powder weight ratio has been deduced from theoretical relationship between frequency, speed of collision and ball-milling conditions.

由碰撞频率、速率与球磨工艺条件的理论关系推导出了球料比的最佳值。

This paper describes the approach to prepare the thermosetting acrylic resins for plastic aluminium compounding plate, especially discusses the selection of monomer, the relative molecular weight, reaction ratio of feedstock and the loading determination of butyl alcohol.

本文阐述了铝塑复合板用热固性羟基丙烯酸树脂的制备过程，着重讨论了单体的选择，环氧树脂相对分子质量和接入比例的确定及丁醇量的确定。

Materials with high strength to weight ratio, low coefficient of thermal expansion and high wear and corrosion resistance.

它具有高的比强度，低的热膨胀系数和高的表面强度。

Rocket based combined cycle is a combination of the advantages of the rocket engine and intake engine, which features high thrust to weight ratio and high specific impulse and realizes the optimality of performances in the whole ballistic trajectory.

火箭基组合循环综合了火箭发动机和吸气式发动机的优点，具有高推重比、高比冲的特点，实现了整个弹道上性能的最优化。