Results 111 to 120 of about 400,167 (152)

用于防护陡波头过电压的阀片

open access: yesDianci bileiqi, 1991
为了保护电器和电机的线圈免受陡波过电压的危害,采用由多个氧化锌阀片组装成的阀体。但是由于众所周知的原因(寄生电容的存在、表面污秽),沿阀片电压分布是很不均匀的,使阀片慢慢地转入导电状态和降低其可靠性。提出了在由n个阀片组成的阀体上从高压端起n—1个阀片用电容器并接 ...
doaj  

[Petroleum ether fraction of <i>Myrica nana</i> roots relieves spasmodic abdominal pain in mice by inhibiting intestinal smooth muscle spasm]. [PDF]

open access: yesNan Fang Yi Ke Da Xue Xue Bao
Yang S   +8 more
europepmc   +1 more source

[Two cases of congenital myotonic dystrophy type 1 caused by <i>DMPK</i> gene variants]. [PDF]

open access: yesZhongguo Dang Dai Er Ke Za Zhi
Wang XH   +6 more
europepmc   +1 more source

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