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复合绝缘子端部场强控制方法及复合绝缘子

open access: yesDianci bileiqi, 2009
专利申请号:CN200610064502.6申请日:2006.12.27申请人:清华大学深圳研究生院一种复合绝缘子端部场强控制方法,所述复合绝缘子包括芯棒、芯棒两端的金具及芯棒外覆盖的伞裙和护套,该方法的特征是:采用高介电常数硅橡胶材料注射成型不少于5%串长的伞裙和护套,其余伞裙和护套部分采用普通硅橡胶注射成型,其中高介电常数硅橡胶材料的相对介电常数为6~40。
doaj  

[A novel tray for recording maxillomandibular relationship of edentulous patients based on dimensional surveying of complete dentures]. [PDF]

open access: yesBeijing Da Xue Xue Bao Yi Xue Ban, 2020
Liu Y   +6 more
europepmc   +1 more source

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