1) multi-pivots
多支点
1.
Support problems in deep excavations in the designing of multi-pivots piles are studied and applied on the basis of board and pile theory, and don t consider the process of excavation.
深基坑工程中的支护问题,在采用多支点排桩支护的设计中,目前的研究和应用以一般的板桩理论为基础,大多也是没有考虑开挖过程,支撑似乎在开挖前就存在,即不考虑支撑反力和结构的变形随开挖过程的变化。
2) multi-point supporting
多点支撑
1.
According to the principles of multi-point supporting strengthening flat arch bridge,based on the fabrication of two model arches and test of the model arches before and after strengthening,strain,deflection,crack control,failure mode,maximum bearing capacity and stress of supporting longitudinal bar before and after flat arch multi-point supporting strengthening were compared and analysed.
以多点支撑加固坦拱桥技术原理为依据,在完成2片模型试验拱的制作、加固前后测试的基础上,对比分析了圬工坦拱多点支撑加固增强处治前后主拱的应变、挠度、裂缝控制、破坏形态、极限承载力及支撑纵向钢筋应力指标。
3) rigid multi-supports
刚性多支点
1.
Analysis of longitudinal vibration of a drive shaft with rigid multi-supports;
刚性多支点传动轴的纵向振动分析
2.
Analysis of main resonance of drive shaft with rigid multi-supports;
刚性多支点传动轴主共振分析
3.
A bending motion equation of a tilting drive shaft with rigid multi-supports are derived using theorem of mass center motion,method of Galerkin and Heaviside function.
根据质心定理、Galerk in法和Heaviside函数,求得倾斜刚性多支点传动轴的弯曲运动方程。
4) rotating axis with much supporting
多支点转子
1.
The article narrates the superiority of the magnetic suspended bearing and the rotating axis with much supporting adopting the magnetic suspended bearing.
本文作者叙述了磁浮轴承及多支点转子采用磁浮轴承的优越性 ,提出了利用三弯矩方程先求得多支点静不定转子多余支点反力再求出其第一临界转速的普遍计算方法 ,解决了多支点转子第一临界转速计算的难题 ,具有一定实用价值。
5) multi-level diplomacy
"多支点"外交
6) multi-support balance beam
多支点平衡梁
补充资料：多苯基多亚甲基多异氰酸酯
多苯基多亚甲基多异氰酸酯，简称PAPI，或称粗MDI，浅黄色至褐色粘稠液体．有刺激性气味。相对密度(20℃／20 ℃)1．2，燃点218℃。PAPI实际上是由50％MDI与50％官能度大于2以上的多异氰酸酯组成的混合物。升温时能发生自聚作用。溶于氯苯、邻二氯苯、甲苯等。PAPI的活性低，蒸气压低，只是TDI的百分之一，故毒性很低。
用于制造聚氨脂胶粘剂。也可直接加入橡胶胶粘剂中，改善橡胶与尼龙或聚酯线的粘接性能。贮存于阴凉、通风、干燥的库房内，远离火种、热源。严格防水、防潮，避免光照。
用于制造聚氨脂胶粘剂。也可直接加入橡胶胶粘剂中，改善橡胶与尼龙或聚酯线的粘接性能。贮存于阴凉、通风、干燥的库房内，远离火种、热源。严格防水、防潮，避免光照。
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条