Results 81 to 90 of about 12,320 (118)

用于中压系统过电压防护用金属氧化物避雷器

Dianci bileiqi, 1990
最近20年磁吹间隙的阀式避雷器取代了简单火花间隙的阀式避雷器。现在各种电压等级则较普遍采用金属氧化物避雷器（MOA）。所有电压≥50kV的新建工程都用MOA来防护过电压。电压≤36kV的配电系统用MOA替代简单间隙阀式避雷器的速度进行得较慢,其原因有三:MOA价格高;避雷器的保护水平距设备绝缘耐受电压太大 ...
doaj  

[Robotic gastrectomy: Research progress and practical challenges]. [PDF]

Beijing Da Xue Xue Bao Yi Xue Ban
Li B, Liang H.
europepmc   +1 more source

[The Clinical Application and Development of Tumor Biomarkers in China]. [PDF]

Sichuan Da Xue Xue Bao Yi Xue Ban
Wang C.
europepmc   +1 more source

[Geriatric hip fracture and enhanced recovery after surgery: current status and future perspectives]. [PDF]

Zhongguo Xiu Fu Chong Jian Wai Ke Za Zhi
Xie T, Tian C, Rui Y.
europepmc   +1 more source

[Teaching practice of undergraduate graduation projects in clinical laboratory science integrating liquid chromatography-tandem mass spectrometry and external quality assessment]. [PDF]

Se Pu
Shi J, Wang M, Xue QZ, Zhang SL, Hu YW.
europepmc   +1 more source

[Establishment of an gastric dysfunction and depression comorbidity model simulating clinical etiology in mice using a combined stress protocol]. [PDF]

Nan Fang Yi Ke Da Xue Xue Bao
Huang Q, Shen W, Hu J, Ma H, Hu Y, Zhang C, Shen G, Wang H.   +7 more
europepmc   +1 more source

[Deep eutectic solvent and improved needle filter-based liquid-membrane microextraction combined with high performance liquid chromatography for the determination of sulfonamide and fluoroquinolone residues in milk]. [PDF]

Se Pu
Xu RM, Wu YY, Gu ZH, Wei W, Lu XY, Xia ZH.   +5 more
europepmc   +1 more source

[Evaluating the performance of generative AI in assisting the differential diagnosis of weight loss]. [PDF]

Zhejiang Da Xue Xue Bao Yi Xue Ban
Liu Y, Zhang Y, Cai D, Ren J.
europepmc   +1 more source

[Exploration and clinical application of the "digital and intelligent surgery" diagnosis and treatment workflow for oral and maxillofacial tumors]. [PDF]

Beijing Da Xue Xue Bao Yi Xue Ban
DU W, Zhang W, Yu Y, Liu S, Su H, Hu L, Tang Z, Wu B, Chen Z, Li J, Wang H, Peng X.   +11 more
europepmc   +1 more source

[Exploration and Practice of Constructing a New Ecology of Experimental Stomatology Practice Teaching Driven by Digital Intelligence]. [PDF]

Sichuan Da Xue Xue Bao Yi Xue Ban
Zhang Y, Zheng Q, Wang Y, Zhang M, Shen J, Hao A, Han X, Ye L.   +7 more
europepmc   +1 more source