Results 51 to 60 of about 2,249 (103)

河南平高直流隔离开关研制取得新进展

Gaoya dianqi, 2013
2013年1月8日,河南平高集团自主研发的ZGW6-1120/J6300-25型高压直流隔离开关及ZJW1-1120/J25型高压直流接地开关通过动热稳定试验。1 120 kV直流隔离/接地开关是根据我国首条"准东-成都"±1 100 kV特高压直流输电工程建设需求而研发的新产品,是平高集团2012年重点科技项目之一。
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[Simulation analysis of adaptability of large airborne negative pressure isolation cabin to aviation conditions]. [PDF]

Sheng Wu Yi Xue Gong Cheng Xue Za Zhi
Guo L, Li F, Jiang L, Du H, Xue B, Yong W, Jiang Y, Zhang M.   +7 more
europepmc   +1 more source

[Research progress on flexible wearable sensors for health monitoring]. [PDF]

Sheng Wu Yi Xue Gong Cheng Xue Za Zhi
Chen X, Xu G.
europepmc   +1 more source

[Interpretation of the "Expert consensus on the management of neonatal parenteral nutrition (2025)"]. [PDF]

Zhongguo Dang Dai Er Ke Za Zhi
Lin XZ, Zhang R, Chang YM, Li ZH, Liu XH, Bei F, Shen W, Tong XM, Chen C.   +8 more
europepmc   +1 more source

[Valve-in-valve transcatheter mitral valve replacement with SAPIEN 3 valve for bioprosthetic mitral valve failure: one-year outcomes in 26 patients]. [PDF]

Zhejiang Da Xue Xue Bao Yi Xue Ban
Ran Z, Liu L, Shi J, Wang Y, Cao T, He S, Li X, Guo Y.   +7 more
europepmc   +1 more source

[Progress in microsurgical repair and reconstruction techniques and development of microsurgery in China]. [PDF]

Zhongguo Xiu Fu Chong Jian Wai Ke Za Zhi
Gu L.
europepmc   +1 more source

[Clinical efficacy of multidisciplinary team collaboration in the treatment of deep sternal wound infection]. [PDF]

Zhonghua Shao Shang Yu Chuang Mian Xiu Fu Za Zhi
Tong L, Lei CJ, Zhang WF, Han F, Chen Y, Zhang H, Guan H.   +6 more
europepmc   +1 more source

基于电机输出功率的隔离开关机械故障检测技术研究

Gaoya dianqi
高压隔离开关在变电站中用量较多，其运行状态对电网安全稳定运行影响较大，但由于高压隔离开关长期暴露于户外环境，容易出现各种机械缺陷。文中提出一种基于电机输出功率的隔离开关机械故障检测技术，通过检测隔离开关动作过程中电机的电压与电流，获得电机输入功率，进一步减去在电机内部传递过程中的功率损耗，得到电机输出功率，可以有效避免电机功率损耗对测试结果的影响。针对电力系统中常用4种110 kV及以上电压等级的隔离开关典型波形进行分析，明确各段波形波峰波谷的位置及对应机械状态，为后续机械故障诊断提供指导 ...
马宏明, 钱国超, 赵现平, 阮江军, 刘宇飞   +4 more
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[Clinical efficacy of two-stage ear reconstruction using autologous rib cartilage in the correction of congenital microtia]. [PDF]

Zhonghua Shao Shang Yu Chuang Mian Xiu Fu Za Zhi
Xu ZC, Zhang Q, Xu F, Li DT, Li YY, Chen X, Zhang RH.   +6 more
europepmc   +1 more source

[Expert consensus on the diagnosis and treatment of common neonatal diseases in primary healthcare institutions: congenital heart disease (2025)]. [PDF]

Zhongguo Dang Dai Er Ke Za Zhi
Subspecialty Group of Neonatology, Society of Pediatrics, Chinese Medical Association; Editorial Board of Chinese Journal of Contemporary Pediatrics.   +2 more
europepmc   +1 more source