Starting performance of U-type single-phase permanent magnet synchronous motor Core Loss Research and Design of Super-Premium Efficiency PMSM U型铁芯单相永磁同步电动机起动特性超超高效永磁同步电动机铁耗研究与设计
The traditional ballast starting, added high-pressure filament material suddenly without preheating, will take serious sputter and loss, and make the light turn black and scrap ahead of time. 传统的镇流器启动,未经预热突加高压灯丝材料会发生严重溅射损耗,导致灯管提前发黑报废。
Starting the day with a hearty breakfast has often been linked with weight loss. 健康而丰盛的早餐总是和减重联系在一起。
Aimed at the starting impulse loss of digital excitation regulator, according to the idea of redundancy control, puts forward the method to improve starting impulse reliability of synchronons motor digital excitation regulator. 针对数字式励磁调节器触发脉冲丢失问题,采用了冗余控制的思想,提出了一种提高同步电机数字式励磁调节器触发脉冲可靠性的方法。
Through careful monitoring, he devised a regimen that called for starting patients on all three drugs and then stopping streptomycin, which can cause hearing loss, after several months. 在仔细的监测下,他设计了一种新方法:要求病人一开始使用所有3种药物,然后在几个月后停用可以导致听力损伤的链霉素。
Starting from pole position, the German led for34 of the race's49 laps before suddenly suffering a loss of power. 从杆位起步,德国人领先了全部赛程49圈中的34圈,但是突然遭遇动力丢失。
Starting with the definition, the insertion loss of grids with different specification is measured by hydrophone method. 在理论上给出插入损失的定义,实验上用水听器法测量了不同规格网格的插入损失。
Starting from the confusion in the legal environment as a result of legislation loss of lawyer agency, this paper centers on establishing compulsory lawyer agency system in civil lawsuits. 本文从律师代理制度立法缺失导致的法治环境混乱出发,引入对在我国建立民事强制律师代理制度的思考。
So unless you're starting to notice visible thinning of your hair or bald spots on your scalp, chances are the loss is nothing more than natural, everyday shedding. 所以,除非你的头发开始明显地变少或开始出现秃点,那就可能是头发出了状况,不再如自然般健康了。
It is shown that the relationship exists among the location of the flaring gate piers, the Froude number at the section of starting flare, the weir head, the head loss and the gate width. 研究了宽尾墩位置、始扩点水流佛汝德数与堰上水头之间的关系,导出了与水头损失、闸门宽度有关的计算公式。
Morning sickness is now starting to reduce the next few days you have nausea, vomiting, loss of appetite phenomenon coming to an end. 现在早孕反应开始减轻,再过几天你恶心呕吐、食欲不振的现象就要结束。
Effect of Instant Strong Sound Made by Starting Gun on Starter's Hearing Loss 发令枪瞬时强声对田径裁判员(发令员)听力损失的影响
The paper described practice of FCC plant starting and shutdown without flare, to decrease loss of light hydrocarbon and environment pollution. 叙述了催化裂化装置在开停工过程中不放火炬的做法,降低了轻烃放火炬造成的损耗,减少了对环境的污染。
The thesis clarifies some basic conceptions in theories of cooperative game and non-cooperative game. It takes the ends and effect of cooperative game as the starting point, and makes an analysis of benefit loss caused by non-cooperation. 梳理了博弈论合作博弈以及非合作博弈的一些基本概念,从合作博弈的目的和作用出发,分析因非合作带来的利益损失。
The Y-series three-phase asynchronous motor is generally equipped with surface driven screw pump, and the motor's power is higher than normal with the consideration of starting torque, which increases the reactive loss and makes the load factor lower. 地面驱动螺杆泵井多配置Y系列三相异步电机,考虑到启动扭矩的影响,现场电机配置功率明显偏高,使电机负载率低,增加了无功损耗。
Starting from analyzing the loss of personality in the world of education, the thesis puts forward the point that one of the maladies affecting practical education is the instrumentalization of education. 本文从分析教育世界中人的失落入手,认为现实教育的弊端是其工具化。
Casting starting and before stopping, the drawing speed should be reduced below 2. 0 m/ min, otherwise, the initial pressure can not be great enough to compensate the loss of the path pressure of the horizontal shrinkage compensation. 启铸和停铸前阶段,需把拉坯速度下降到2.0m/min以下,否则钢液的初始压力不足以补偿水平补缩沿程压力损失。
Starting from the concept of risk, the concept of credit risk is also introduced, as well as the analysis of the difference of credit risk from other risks and the categorization of credit risk according to difference matters that cause the loss of credit assets. 从风险的概念谈起,接着介绍信贷风险的概念,分析信贷风险不同于其他风险的特点,然后根据导致信贷资产损失的风险事件的不同对信贷风险分类。
The starting point for topology control and routing protocol design is to obtain the link characteristics such as dynamics and loss behavior in sensor networks. 在传感器网络中获得动态和丢包等链路特性是进行拓扑控制和路由协议设计的基础。
Starting from the benefit of petroleum enterprise, the economic loss component from accident is analyzed. In the article, safety investment and decision are analyzed economically. It is essential that safety management system is established and run to solve safety management subject of petroleum enterprise. 本文从石油企业安全效益出发,分析事故的经济损失要素,对安全投资和决策进行技术经济分析,提出建立和运行安全管理体系才是解决石油企业的安全管理问题的根本。
In this paper, starting from the ray equation, by means of numerial compu-tation, we have get ray trajectories in GRIN rod lens with arbitrary index profile and then obtained the optimun structure parameters of the wavelength multiplexer when its insertion loss is minimum. 本文直接从光射线轨迹方程出发,数值求解任意折射率GRIN棒中射线轨迹,从而得到最低插入损耗下的最佳结构参量。
AS to compensate power factor, paper shows how to connect capacitors for shunt starting in dealing with heavy load motor in difficult starting condition to make full utilization of the equipment and cut down line loss. 结合功率因数补偿问题,提出了并接起动用电容器的联结方法,使在起动条件较困难的情况下,能起动负荷较大的电机,尽量利用设备,减少线路损耗。
Patient operative time as a starting point, to patient death, loss of follow-up visit or last time for end. 以患者手术时间为起点,至患者死亡、失访或最近一次随访时间为终点。
Recently, as the development of the nonlinear optical material, people are gradually starting to concern the propagation of optical pulse in the fiber with distributed nonlinearity, dispersion and gain ( loss). 近年来,随着非线性材料科学的发展,人们逐渐开始关注非线性、色散和增益等系数可变的光纤中的自相似光波的传输特性。