Methods By using the negative high voltage exhaled thoron progeny measurement system.
方法采用负高压呼出气中子体测定装置。
The plasma source ion implantation device consists of pulsed negative high voltage power, hot cathode arc discharge system, vacuum chamber and target stage, vacuum system and monitor system.
等离子体源离子注入装置由脉冲负高压源系统、热阴极弧放电系统、真空室及样品台、真空系统和监测系统等五部分组成。
Method By using high sensitive negative voltage exhaled thoron progeny collection and measurement system, the thorium lung burdens of each dust exposed miner was obtained.
方法用高灵敏度负高压人呼出气中钍射气子体收集测量系统对每名被检矿工测定其肺内钍的沉积量。
In this paper, a novel high precision CMOS bandgap voltage reference which USES a negative back circuit and a rc filter to enhance the PSRR is proposed.
提出了一种新颖的利用负反馈环路以及RC滤波器提高电源抑制比的高精密CMOS带隙基准电压源。
The newly CUK controller realizes a kind of high efficiency, low cost and very low output voltage ripple negative bias voltage design.
介绍的新型CUK型变换器，旨在实现一种高效、低成本、输出电压纹波极低的负偏压设计方案。
These converters perform from positive to positive and negative DC DC voltage increasing conversion with high power density, high efficiency and cheap topology in simple structure.
该变换器完成从正电压至正和负电压的DC- DC升压变换，功率密度和效率高，拓扑结构简单价廉。
Influence of discharge parameters such as RF power and working pressure on the negative self-bias voltage of substrate was investigated by an oscilloscope with a high voltage probe.
采用高压探头示波器系统研究了射频辉光放电参数对自偏压的影响规律。
In the melting process, the shape of the unmelted ice showed obvious difference, the top of the ice in the high voltage electric field was concave and this ice was electricized with negative charges.
在融化过程中，冰的形状出现明显的差异：施加电场后冰块的上表面出现下凹，并且冰块贮存了负电荷。
The method employed high-frequency voltage-signal injection to make motor form a high-frequency current-vector, of which the negative component current contained rotor space-position information.
该方法采用高频电压载波注入方式形成高频电流矢量，其负序分量包含了转子空间位置信息。
Depending on the polarity of an ESD event you apply to the circuit's input connector, its high-voltage spike discharges through diode D1A or D1B into the positive or the negative power-supply rail.
依靠ESD适用电路输入连接器的极性，其高电压放电通过二极管d 1a或d1b进入供电正向或负向电源。
The utility model relates to a non-contact on-line monitor for air leakage and negative pressure fault in a high-voltage vacuum switch.
本实用新型是一种非接触式的在线监测高压真空开关的漏气及负压故障的装置。
The utility model relates to a non-contact on-line monitor for air leakage and negative pressure fault in a high-voltage vacuum switch.
本实用新型是一种非接触式的在线监测高压真空开关的漏气及负压故障的装置。
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