A new method for preventing failure of regenerative braking through regulating power factor of train PWM rectifier is proposed.
本文提出了一种通过调节PWM整流器功率因数,来抑制交流传动的列车处于再生制动时因受电弓处电压过高而导致再生失效的方法。
Based on our detailed field survey,a new approach to assess the ecological loss of a degenerated river to the local social-economic-natural complex ecosystem was established and applied to the case of Chaobai river.
在实地调研的基础上,建立了一套河道断流对区域社会-经济-自然复合生态系统发展造成的综合损失的定量评估方法体系,从社会-经济系统的年度产值损失、用于治理断流河道的年度恢复费用、断流河道非使用价值的年度损失三个方面,评价潮白河顺义段断流对研究区域造成的生态损失。
According to their features, land resources can be classified as environmental loss, available ecological loss and land restoration costs.
根据土地资源生态损失的特点,可将其分为有效生态损失、环境损失和恢复费用3部分,并分别研究了这3部分损失的评估原则和技术,提出了土地资源生态破坏经济损失定量化的模式。
It results in ecological loss of land when the land was invested as the fixed capital in construction projects.
本文认为城镇化进程中占用土地其实是土地生态系统作为投资过程中的一项投入，当土地作为固定资本投入城镇建设项目中，土地的利用方式改变了，这必然会导致土地生态系统的生态损失。
Estimation of loss of life due to dam breach for Hangzhou Qingshan reservoir;
杭州青山水库溃坝生命损失初步估算
Evaluation model of loss of life due to dam breach in China;
我国溃坝生命损失评价模型初步研究
Investigation for breached dams and its preliminary exploration to the characteristics of loss of life in China;
我国已溃决大坝调查及其生命损失规律初探
Research on Power Factor Regulation of Train's PWM Rectifier for Preventing Regenerative Braking Failure
抑制再生失效的列车PWM整流器功率因数调节的研究
Failue Analysis and Maintenance for N-methyl Diethanolamine Regeneration Column
MDEA再生塔腐蚀失效分析及维修
Analysis on the Welding Crack of the Second Fccu Regenerator in the Refinery Plant;
FCC装置再生系统焊接失效分析与故障机理研究
The Malfunction of Aqueous Metal-Cutting Fluid and the Designing of Its Regeneration Equipment
水基金属切削液的失效及其再生设备设计
Lobsters can reproduce claws when lost.
龙虾失去钳后仍能再生。
Reinforcing the Effectiveness of Re-employment Training for Land-lost Farmers in a Down-to-earth Way;
切实增强失地农民再就业培训的实效
The order was no longer effective.
这项命令已不再生效。
my sorrows disappear, my courage is reborn.
我的忧愁消失了，我的勇气再生了。
Some animals can reproduce lost parts of their bodies.
有些动物能再生身体上失去的部分。
He felt that his life at school had been a failure. He wanted to start afresh
他觉得学校生活很失意，想从头再来。
Protocol for the further extension of the period of validity of the Convention on the Declaration of Death of Missing Persons
再度展延失踪人死亡宣告公约有效期间之议定
Vanish: Cancelling your Stealth aura while Vanish is running will now cause Vanish to be canceled as well.
消失：当消失生效时取消潜行状态，也将去除消失效果。
Regeneration and effect analysis of semi-regeneration catalytic reforming catalyst
半再生催化重整催化剂器外再生与效果分析
The law of renewable energy was put into operation from this year.
可再生能源法规已于今年起生效。
Your unemployment insurance will inure from the third week of your being out of work.
从你失业的第三周起，你的失业保险就开始生效。
Thomas Edison, who had failed again and again in his experiment, did not lose heart.
尽管实验一再失败，托马斯·爱迪生并没有失去信心。
From Life s Adversity: Human Capital Failure ” in Re-employing Laid-off Workers in North China;
走出生活逆境的阴影——失业下岗职工再就业中的“人力资本失灵”研究
Reprocessing or Trashing Audit Log containers with a log no longer fails silently.
回收带有纪录的再生安全审计货柜将不再一声不啃地失败。
