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为了更好的帮助您理解掌握查询词或其译词在地道英语中的实际用法，我们为您准备了出自英文原文的大量英语例句，供您参考。   crowbar The reaction of molten Al-2.5 pct Li alloy or pure aluminum with water was studied by the exploding wire technique incorporating a crowbar switch current interruptor and an inductive energy store. 例句来源       During this process, the stiff hamulus (the pollinia stalk protruding prominently towards the lip) acted as a crowbar when it was brushed downwards by the toppled fly and lifted the pollinia out of the anther. 例句来源       Expansion of spark channels in air and possibilities of plasma crowbar in high pulsed current and magnetic field technique 例句来源       The second version employs the crowbar regime and makes it possible to form unipolar current pulses with a 190-kA amplitude and a 500-μs duration in the load circuit. 例句来源       Without the crowbar, an external overvoltage fault could act through parasitic diodes in Q1 and the interface IC to lift the main supply voltage. 例句来源       更多

Recent experimental results of reversed field pinch (RFP) and ultra low safety factor q (ULQ) configurations have been achieved by means of pre ionization, air core transformer power crowbar, vacuum chamber discharge cleaning, carbonization and titanium gettering. The plasma property was so improved as to make the appearance of the plasma current flat top with increased value while impurities were controlled effectively and plasma temperature increased by carefully controlling wall condition. A ...             本文针对ＥＡＣＶＤ过程中经常出现的放电振荡和不稳定现象，比较系统地研究了ＥＡＣＶＤ中热阴极直流放电特性及其与工艺参数之间的关系，分析和讨论了放电振荡和不稳定现象发生的原因，并给出了避免和控制的途径和措施。 文摘来源          おwo　1.4MW　high　voltage　power　supply　(HVPS)　modules　with　3—5 s　pulse　duration　have　been　developed　for　LHCD　experiment in the　HT7　tokamak.　The　power　source　consists　of　a　pulsed　generator　and　the　electric circuit.　Duration　of　the　ultralongpulse　is　controlled　by　switchingon　dc relay　immediately　and　switchingoff　ac　contactor　after　a　given　time,　and　the　fast　protection　is　executed　by　a　crowbar.　Due　to　the　soft　starting　of　the　power　source,　the　problem　of　overvoltage　induced　by　dc　relay　switchingon　ha...             脉宽３—５ｓ的ＨＴ－７低杂波负高压电源已经建成。针对电源设计的难点，交流侧采用脉冲发电机组－电网联合供电，超长脉冲的脉宽控制采用“直流侧瞬时合闸－交流侧延时分闸”，快速保护依靠撬棒完成。进一步设计了交流供电的软起动，解决了直流合闸时的过电压问题。两套电源均已在假负载上调到－３５ｋＶ、４０Ａ的额定指标，接上速调管负载后，成功地进行了ＨＴ－７装置首轮低杂波电流驱动实验。 文摘来源          A high voltage regulator used for long pulse and high power microwave source of LHCD and ECRH on the HL 1M tokamak is introduced. The output parameters of the regulator, which utilized a domestic tetrode TM703F as modulator, are -70kV/35kA. With the regulator, long pulse LHCD up to 1s and LHCD with double klystrons have been carried out successfully on the HL 1M tokamak respectively. Even without a crowbar protection system, the regulator is stable and reliable for long period of operation by a...             为ＨＬ－１Ｍ装置上的ＬＨＣＤ和ＥＣＲＨ长脉冲大功率微波系统研制的高压调制电源，已达到了－７０ｋＶ、３５Ａ的输出指标。应用该电源首次实现了ＴＭ－７０３Ｆ型大功率调整管在１ｓ长脉冲下的运行和双大功率高压调制器的并联运行，在没有ＣＲＯＷＢＡＲ保护系统的情况下采用有效的快速保护措施实现了长期的稳定可靠运行。 文摘来源

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