1) still
[英][stɪl] [美][stɪl]
动
1.
Understand characteristics and virtue of chinese traditional Physical Education from juxtaposing still and vigourous;
从动静相间全面锻炼中谈中国传统体育的特点和优势
2) Power braking
动力制动
1.
Application of 6RA70 digital DC speed regulating device in the power braking of asynchronous motor;
6RA70直流传动装置在异步电动机动力制动中的应用
2.
The power braking for mine hoist;
浅谈矿井提升机动力制动问题
3.
Based on the technological alteration of TKD-A AC hoisting control system in He Xi mine and Liang DU mine belong to Fenxi mining industry group company, this paper introduces the application of 6RA70 digital DC speed regulating device and S7-300 PLC in the power braking of asynchronous motor, the setting of important parameter of 6RA70 and software design included.
以山西汾西矿业集团公司贺西矿、两渡矿交流提升机TKD-A电控系统改造为背景,介绍SIEMENS6RA70直流传动装置结合S7-300PLC实现异步电动机动力制动的控制原理之关键参数的设置和软件流程。
3) torsional fretting
扭动微动
1.
With configuration of ball-on-flat contact,torsional fretting mode was realized successfully on a newly developed fretting test rig which collocated a low-speed reciprocating motor with a high-precision on CETR UMT-2 mutifunctional friction and wear tester.
在CETR UMT-2型多功能摩擦磨损试验机上配置高精度低速往复转动台,构成新型试验装置并成功实现了球/平面接触条件下的扭动微动;在低速往复转动台上进行了GCr15钢球(直径10 mm)与LZ50钢在扭动角位移幅值为3°~20°和法向载荷10 N时的扭动微动试验,并在分析其摩擦动力学行为的基础上对LZ50钢的扭动微动损伤特征进行探讨。
2.
On an atmosphere-controlled torsional fretting tester,torsional fretting running behaviors of LZ50 steel is investigated in three atmospheres(ambient air,oxygen and nitrogen).
在空气、氧气和氮气气氛中,研究了LZ50车轴钢在法向载荷为50 N和不同角位移幅值下的扭动微动运行行为,并重点分析了其摩擦磨损特性和氧化作用机理。
3.
On a new torsional fretting tester,the torsional fretting tests of polymethylmethacrylate(PMMA)flat against GCr15 steel ball(with diameter of 40 mm) were carried out with various angular displacement amplitudes ranged from 0.
在新型扭动微动试验机上,进行聚甲基丙烯酸甲酯(PMMA)与Ф40 mm GCr15钢球在扭动角位移幅值为0。
4) dynamic disturbance
动力扰动
1.
Mechanism analysis on failure of deep rock laneway under dynamic disturbance;
深部岩巷在动力扰动下的破坏机理分析
2.
The dynamic disturbance may trigger the instable failure of rock mass when the high elastic strain energy is accumulated in the deep underground rock mass;and in turn it leads to occurrence of rockbursts.
处于深部的岩体内部积累了大量的弹性应变能,在外部动力扰动下这些能量以非常猛烈的方式释放,从而导致岩爆的发生。
3.
By using an explicit finite difference program FLAC3D,a model of numerical calculation is established for a deep mining pillar with dynamic disturbance under high stress.
对深部矿柱在承受高静载应力时的动力扰动力学模型进行应力波传播力学响应分析,采用FLAC3D有限差分程序对深部开采圆形矿柱进行高应力下动力扰动数值计算。
5) dynamic braking
动力制动
1.
A kind of digital control method of power supply which is controlled by whole bridge(ZVZCS)DC/DC shifting phase transition for dynamic braking based on DSP is introduced.
论述了基于DSP的全桥零电压零电流开关(ZVZCS)DC/DC移相变换的动力制动电源的数字控制实现方法,通过对转速反馈信号的测量,经过PID运算作为移相角度的控制信号,实现对动力制动电源的控制,实践表明前桥臂实现零电压(ZVS),后桥臂实现零电流(ZCS),全桥零电压零电流开关(ZVZCS)DC/DC移相变换的动力制动电源开关范围大,满载效率达到93。
2.
In view of the conversion braking conditions of cable car during transferring heavy to a lower level, the article analyzes two kinds of braking manner and chooses dynamic braking for the design.
针对缆车下放重物的变频制动情况,分析了两种制动方式,选择了动力制动进行了设计,并在试验室试验获得可靠的数据。
3.
Check-calculation and evaluation method and emergency measures of dynamic braking fault for safe running are proposed.
对长大下坡道区段开行重载列车如何保证周期制动时列车制动机充风时间及低速慢行等安全问题作了论述,提出了相应的验算评价方法和机车动力制动故障时安全运行的应急措施。
6) power brake
动力制动
1.
Transform of power brake system of wire rope traction belt-conveyor;
钢丝绳牵引胶带输送机动力制动系统改造
2.
Research about power brake based on automatic train operation;
基于自动驾驶的动力制动使用研究
3.
Mainly discusses the features of the mechanical braking of rubber fining mixer, and analyzes how to transform mechanical braking to power brake, which can improve the reliability of rubber fining mixer arming in service.
介绍炼胶机机械制动的特点,如何将炼胶机的机械制动改为动力制动,提高其使用的安全可靠性。
补充资料：动
【动】
（术语）风大之自性也，令四大所造之物质，相续而自此至彼也。俱舍论一曰：“风界动性，由此能引大种造色令其相续生至余方，如吹灯光，故名为动。”
（术语）风大之自性也，令四大所造之物质，相续而自此至彼也。俱舍论一曰：“风界动性，由此能引大种造色令其相续生至余方，如吹灯光，故名为动。”
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