Effect of load on the dynamic characteristic of drill derrick;
载荷对石油钻机井架动力特性的影响分析
Wave load calculation for semi-submersible platform;
半潜式平台的波浪载荷计算
Effects of Load on the Abrasion Property of Particulates Reinforced Metal Matrix Composites;
载荷对颗粒增强铁基复合材料摩擦性能的影响
Study on Vibration Response of Floodgate to Loading Produced by Underwater Blasting;
水下爆破载荷引起坞门振动响应试验研究
Excavator loading simulation for hard-rock cutting;
掘进机截割硬岩的载荷模拟研究
Effect of different loads on the formation of self-repairing film on the surface of 45~# steel;
不同载荷对45~#钢表面自修复膜成膜影响
It may solve the problems of maximum stress and maximum deformation of cantilever beams with variable cross section under arbitrary loads.
本文提供了一种求解变截面悬臂梁在任意载荷作用下最大正应力及最大变形的方法。
A new analytical model is developed to analyze rotor dynamic loads.
建立了计入动力入流的旋翼动载荷分析模型,在旋翼模型试验台上进行了悬停状态总距激振的铰接式旋翼动态升力实验研究,理论计算与试验吻合很好。
Introduction of payload for electro-magnetic emissions on seismic satellite;
地震电磁卫星载荷及现状
In this paper from analysis for the expressions of characteristic velocity for multi-stage rocket,it point out the consistency for the question for payload s lightened and the question for the fewest fewest propellant plan.
通过对串联型多级火箭的特征速度表达式的仔细分析,指出当多级火箭的载荷减小时,如何重新最佳地分配各级推进剂的量以达到原来的速度要求。
Meanwhile,making use of observation data of scene in working face of close distance coal seams,the characteristic of support load during fi.
并利用工作面的现场观测数据,进行数据拟合,对初次来压和周期来压期间支架载荷特征、工作面顺槽超前支承压力分布规律等进行了较为系统的分析,为后期开采上部8#煤层积累了经验。
Meanwhile,the characteristic of support load during first and periodic weight of the main roof was studied.
以谢桥煤矿1242(1)首采工作面为例,分析了综采工作面矿山压力显现特征、顶板活动规律、液压支架的性能和对该煤层顶底板的适应性及控制效果、工作面顺槽超前支承压力分布,对初次来压期间和周期来压期间支架载荷特征进行了较为系统的分析,为后期开采11-2煤层积累了经验。
CopyRight © 2020-2024 优校网[www.youxiaow.com]版权所有 All Rights Reserved. ICP备案号:浙ICP备2024058711号