Results 101 to 110 of about 14,282 (217)

原地宇宙成因核素暴露测年方法中石英的提取 [PDF]

open access: yes, 2012
宋少华   +4 more
core  

[Exosomes from folic acid-treated subpatellar fat pad-derived mesenchymal stem cells promote M2 polarization of macrophages <i>in vitro</i>]. [PDF]

open access: yesNan Fang Yi Ke Da Xue Xue Bao
Wang Z   +9 more
europepmc   +1 more source

碳纤维复合材料飞机蒙皮表面漆层激光清洗工艺研究

open access: yesChinese Journal of Lasers
顾军义 Gu Junyi   +4 more
semanticscholar   +1 more source

输电线自行式绝缘子清洗机的开发

open access: yesDianci bileiqi, 1990
绝缘子污秽会导致温度上升及绝缘降低,而长达6~9m的500kV线路绝缘子串采用擦洗方法是很困难的。日本碍子公司开发了便于淋雨清洗、又能尽量控制飞溅水的影响、作业效率高的机械手装置,报导了其实用性能。详细地叙述了喷咀的形状和个数、移动速度 ...
doaj  

激光清洗技术研究进展及挑战

open access: yesChinese Journal of Lasers
朱国栋 Zhu Guodong   +7 more
semanticscholar   +1 more source

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