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- RCAE1047 will be stable in arc discharge at higher vacuum condition and lower arc current, especially for pure Zr target. 1047可以在高真空和低电流条件下稳定弧光放电工作,特别是采用纯锆靶材时。
- For an inductive intrinsically safe circuit, minimum arcing voltage shows the arcing characteristics and current reducing rate shows the inductive characteristics. 对本质安全电感电路,最小建电弧电压能反映电路的建弧特性,电流变化率能反映电路的电感特性。
- Based on analysis and measurement,th e arc voltage coefficient and arc current coefficient of MgO electric smelting furnace are given. 在实际测试的基础上,给出了电熔镁炉的弧压系数和弧流系数,为进一步研究电熔镁炉提供依据。
- Multiple functions available : start/crater arc current, increase/decrease time,base/crest value current,pulse frequency,pulse rate,post flow time, HF welding. 功能丰富:起始/收弧电流、上升/下降时间、基值电流、峰直电流、脉冲频率、占空比、滞后关气时间分别可调,高频引弧。
- The inner overvoltage,such as power transient overvoltage,secondary arc current and switching overvoltage,are analyzed and countermeasures to limit the inner voltage are given. 针对内部过电压,分析了工频电压升高、潜供电流以及操作过电压所引起的问题,同时列出了各自可以采用的限制措施;
- It also draws conclusions that arc power will decrease all the time if the source voltage is less than minimum arcing voltage, the ratio of inductance stored energy to source ... 如果电源电压小于最小建弧电压,电弧功率将随时间而减小;
- Replacement of solid block iron core by stromatolithic iron core reduces the eddy current and the lag time of the axial magnetic field behind the arc current. 整块铁芯变成叠片式,降低了涡流,缩短了纵向磁场滞后于电流的时间。
- With the increase in the arc current, the adhesive strength, microardness and abrasive wear resistance are increased, but erosion wear resistance is decreased. 提高喷涂功率,涂层结合强度、硬度、磨粒磨损性能提高耐冲蚀性能变差。
- Multiple funcyions available:start/crater arc current,increase/decrease time,base,crest value current,pulse frequency,pulse rate,post flow time,HF/friction welding,water/gas cooling. 功能丰富:起始/收弧电流、上升/下降时间、基值电流、峰值电流、脉冲频率、占空比、滞后关气时间分别可调,高频/接触引弧、水冷/气冷可供选用。
- This paper analyses the results of testing, and on the basis of current oscillogram after arc current zero, devides a. c. arc current-zero period phenomena into four different types. 本文分析了电弧电流零点后电流波形的试验结果;把电弧电流零区现象分为四种不同的类型;提出了交流电弧两种电流过零现象及电弧重燃与熄灭过程的一些新看法.
- The Cerium-Tungsten electrode is nonradioactive and multifunctional.It possesses an excellent arcing feature and the arc current is low. 钨铈电极是一种非放射性、多用途的新型电极,它具有优良的电弧特性,维弧电流较小。
- Three sets of arcing tests were carried out by way of regulating three influencing parameters on the arc current of ion source for DNB(diagnostic neutral beam)system,ie. 通过调节影响诊断中性束离子源弧流的进气量、灯丝电流和弧压三个参量,进行了三组离子源起弧实验。
- We have pared down our expenses to a bare minimum. 我们已最大限度地削减了开支。
- The class needs a minimum of 6 pupils to continue. 这个班最低限度要六个学生才可以继续办下去。
- Joan of Arc was one of France's greatest daughters. 圣女贞德是法国最伟大的女性之一。
- A withdrawal limit of $200; no minimum age limit. 提款数量最多不超过200美元; 没有最低年龄限制。
- This game requires a minimum of three players. 这个游戏至少需要三个人才可以玩。
- The minimum wage is 4.25 dollars an hour. 最低工价为每小时四点二五美元。
- Joan of Arc was burnt (alive) at the stake. 圣女贞德在火刑柱上被(活活)烧死。
- Joan of Arc was made a saint in 1920. 1920年,贞德被追封为圣女。