Results 61 to 70 of about 3,406 (109)

[Advances in surgical management of severe hallux valgus]. [PDF]

open access: yesZhongguo Xiu Fu Chong Jian Wai Ke Za Zhi
Yang F, Shi Z.
europepmc   +1 more source

["Chongqing experiences" in treatment of bone infections]. [PDF]

open access: yesZhongguo Xiu Fu Chong Jian Wai Ke Za Zhi
Xie Z.
europepmc   +1 more source

[Effectiveness of orthopedic surgery for 247 patients with moderate and severe hallux valgus]. [PDF]

open access: yesZhongguo Xiu Fu Chong Jian Wai Ke Za Zhi
Zhang G   +7 more
europepmc   +1 more source

基于MOPSO算法的超导限流器结构参数优化

open access: yesGaoya dianqi
电阻型超导限流器能够快速限制短路电流,因此常与直流断路器结合使用开断直流故障。超导限流器的性能与直流断路器元件参数之间存在复杂耦合关系,在一定直流断路器元件参数下的超导限流器的选型亟需研究。文中首先分析了现有超导限流器电阻的模型,然后仿真了超导限流器与直流断路器结合使用时的短路故障,分析了超导限流器电阻和回路电流的变化规律。仿真结果表明:超导限流器可成功限制故障电流的上升,帮助直流断路器开断故障电流;超导限流器的电阻、温度和电流波形之间存在复杂耦合关系。最后,固定超导带材的截面 ...
丁璨, 李江, 袁召, 余超捷
doaj  

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