Development of a high open curcuit voltage AC arc welder with double protection system against electric strike 高空载电压双路防电击交流焊机的研制
The automatic control method of open arc surfacing welding system was studied for the milling roller. 为实现磨煤机磨辊明弧堆焊设备的自动化,研究了堆焊机主要运动部分的控制方法。
His black open palm swept upward in a swift narrow arc and smacked solidly against her face. 他张开着的黑色手掌向上飞起,迅速地绕了个小弯,啪的一声扎扎实实地打在她的脸上。
Fabrication of carbon nanofibres and bamboo-shaped carbon nanotubes with open ends from anthracite coal by arc discharge 电弧放电法制备煤基炭纳米纤维及开口竹节状碳纳米管
New type of hardfacing flux cored Wire for open arc welding 新型明弧硬面药芯焊丝研制
Firstly, the solution of a kind of Riemann boundary value problem with square roots on an open smoothly arc is considered. 首先,考虑了带平方根的Riemann边值问题在一条开口光滑弧段上的解法。
In this paper, current research of open cluster is reviewed, and membership determination, basic parameters determination, evolution of cluster and cluster members, structure and dynamics of open cluster arc also described in detail. 综述了疏散星团的研究现状,对成员判别、基本参数确定、团与恒星的演化、团的结构和动力学进行了详细评述。
Energy Saving and Open Circuit Current in Arc Welding Machine 谈弧焊机的空载电流与节能&兼讨论我国弧焊机标准中空载电流的规定
This system is developed by C++ Language using ODE ( Open Development Environment) on the GIS platform ARC/ INFO of ESRI. 这套系统基于美国ESRI公司的ARC/INFO平台,采用ODE(OpenDevelopmentEnvironment)方式使用C++语言开发而成。
Solution of One Kind of Riemann Boundary Value Problem with Square Roots on an Open Arc 一种带平方根的Riemann边值问题在开口弧段上的解法
The N-N+-P structure is used to imitate TTL integrated circuits. The expressions of distribution of minority curriers, photocurrent densities and open circuit voltage arc derived. 本文模拟TTL集成电路的N-N~+-P结构,推导了光生少子分布,光电流和开路电压的表达式。
Open circuit, short circuit, spark discharge, arc discharge, frequency ratio and specific material removal can be measured, displayed and printed out during machining by the given microcomputer-based system for monitoring EDM. 给出电火花加工微机监测系统能在线测量开路、短路、火花放电、电弧放电,放电率和加工效率六种数据,并可显示、打印。
Boundary Integral Method for Helmholtz Equation with a Smooth Open Arc Boundary 边界是光滑开弧Helmholtz方程的边界积分法
The arc is obtained by applying a magneticfield coaxial with the electrode to constrict an open arc in medium vacuum. 真空磁压缩等离子弧是将低真空中的自由电弧用与电极同轴向的磁场压缩后获得的。
And Arc, an OAI Service Provider for Digital Library Federation, provided an open source realization of OAI services provider. Based on the research of OAI and Arc, The research established Retrieval System of Agricultural Scientific and Technical Literature. 通过研究OAI协议和Arc项目,在Arc项目源代码的基础上构建一个农业文献信息的OAI服务提供者,提供农业科技文献资源的检索服务。
General ( closed or open arc curve) containing Hilbert kernel singular integral equation: Solving the problem, mainly through into Riemann value problem to study. 一般情况的(封闭或开口弧段曲线)含Hilbert核的奇异积分方程:的求解问题,主要通过转化为黎曼边值问题来研究。