Results 111 to 120 of about 56,894 (149)

对“交流高压电器在长期工作时的发热”标准(草案初稿)的一些意见

Gaoya dianqi, 1959
3月22日,中国电机工程学会沈阳分会对沈阳高压开关厂提出的“交流高压电器在长期工作时的发热”标准(草案初稿)组织了一次讨论。参加讨论会的有沈阳变压器广、沈阳高压开关厂、沈阳低压开关厂、沈阳供电局、辽吉电管局、沈阳中心试验所、沈阳电缆厂、沈阳市变压器厂及沈阳市电力建设局等单位的有关同志共37人 ...
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[Research advances in clear aligner]. [PDF]

Hua Xi Kou Qiang Yi Xue Za Zhi
Chen S.
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[Solid-phase extraction coupled with high performance liquid chromatography-triple quadrupole mass spectrometry for simultaneous determination of seven coumarins in water samples from drinking water treatment plants]. [PDF]

Se Pu
Jiao WM, Yang JM, Xu C, Gao FK, Shen LY, Yuan YB, Guo ZF, Huang G.   +7 more
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[Petroleum ether fraction of <i>Myrica nana</i> roots relieves spasmodic abdominal pain in mice by inhibiting intestinal smooth muscle spasm]. [PDF]

Nan Fang Yi Ke Da Xue Xue Bao
Yang S, Chen W, Chen X, Tian K, Xiong Y, Sun J, Huang L, Huang X, Wang Z.   +8 more
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[Progress and future prospects of robot-assisted total hip arthroplasty]. [PDF]

Zhongguo Xiu Fu Chong Jian Wai Ke Za Zhi
Cai L, Gui Y, Kong X, Chai W.
europepmc   +1 more source

[Safety study of resin-based dental materials using gas chromatography-mass spectrometry techniques]. [PDF]

Hua Xi Kou Qiang Yi Xue Za Zhi
Li Y, Zeng Y, Du Z, Ren G.
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[Preparation of mesoporous covalent organic framework core-shell stationary phase and its application in the analysis of astragaloside Ⅳ content in <i>Astragalus</i>]. [PDF]

Se Pu
Zhao XY, Jin JY, Liu XJ, Yan LJ, Yang SY, Zhang ZW, Zhang LY, Wu RF.   +7 more
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[Application of ion chromatographic fingerprint analysis for quality evaluation of tobacco flavors]. [PDF]

Se Pu
Xu GY, He XY, Zhang LN, Liu CS, Gao Y, Huang ZP, Liu HJ, Wu ZM, Zhang RC, Shi H.   +9 more
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[Determination of eight per- and polyfluoroalkyl substances in seawater using dispersive membrane extraction-ultra-high performance liquid chromatography-tandem mass spectrometry]. [PDF]

Se Pu
Ren Z, Ma JP, Liu YJ, Zhang L, Wu GG, Li S.   +5 more
europepmc   +1 more source

[Adhesive property and flexural strength of patterned microstructured zirconia posts fabricated by 3D printing]. [PDF]

Hua Xi Kou Qiang Yi Xue Za Zhi
Jiang Q, Yin L.
europepmc   +1 more source