When vertically parting pressurized gating system is adopted in a casting proess, it is usually required to calculate the actual pressure heads of ingates at different heights.
采用垂直分型等压等流量浇注系统铸造时，经常要确定各层内浇口实际压头的值。
The reasons of hydraulic stepout in the boiler system were analyzed,two resolving methods were proposed,that was additional resistance balance and additional pressure head balance.
分析了供热系统水力失调的原因,提出了解决水力失调的两种途径,即"附加阻力平衡"和"附加压头平衡",并探讨了"附加压头平衡"技术的特点和应用的条件,论证了综合治理的优点以及进一步研究的问题。
The article relates waterpower out of tune of heat supply system and the reason of it,raises two ways to solve it,that is to say,appendant resistance balance and appendant pressure head balance ,analyzes the features of appendant pressure head balance technology and the condition to use,demonstrates the advantage of comprehensive harness and the problem to use.
本文叙述了供热系统水力失调及其水力失调原因;提出了解决水力失调的两种途径,即“附加阻力平衡”和“附加压头平衡”;分析了“附加压头平衡”技术的特点和应用的条件;论证了综合治理的优点以及应用的问题。
The Computing Method of I-Mode Stress-Intensity Factor of Rigid Square-Ended Punch Using J-Integral;
用J积分计算平端刚性压头Ⅰ型触压应力强度因子
The applied load, shape of the indenter and properties of substrate that have influences on microhardness test result have been studied.
研究了施加载荷、压头形状、基板性质等因素对涂层显微硬度测试结果的影响,得出了为准确确定涂层硬度指标所适合的试验条件。
This paper employs a numerical method in solving the stress field of elastic-plastic half-space under normal concentrated load of rigid indenter, and has obtained the stress-displacement curve when the indenter is Vickers or cone indenter.
本文根据半空间体在边界上受法向分布力的解答,用数值方法对刚性压头受竖向集中静载荷作用于弹性半空间时压头下的应力分布情况进行了求解和分析,得出了维氏压头和圆锥形压头下的应力—位移曲线;并对D。
hydraulicefficiency ram
液力压头液压缸柱塞
resistance head
阻力压头(用压头表示的阻力损失)
mine static head
矿井通风系统静压头
pump suction head
泵吸收压头, 泵吸收高度
near balanced hydrostatic head
接近平衡的静水压头
loss of head due to entrance
管进口段的压头损失
loss of head due to pipe fitting
管道配件的压头损失
head of fluid frictinal loss
流体摩擦阻力损失压头
off-set die head
直角机头(压出机)
pressed-steel hook chain
模压钢钩头链, 冲压钩头链
external pressure single type axial expansion joint
外压单式轴向伸缩接头
contactor electric for a voltage exceeding 1000v
电路接头超过1000v电压用
tension-control cylinder
控制钻头给进的液压缸
hydraulic travelling head cutting machine
液压移动头式裁切机
Professional Modular Crimps, Strips & Cuts Tools
专业水晶头压剥剪工具
easing the bit in
钻头轻压慢转钻进地层
manometer-thermometer sonde
压力计-温度计探头
curve tube pressure balance expansion joint
曲管压力平衡伸缩接头