Results 71 to 80 of about 1,392,105 (112)

一种用于薄壁平面工件固定的真空吸附装置

open access: yes, 2011
本实用新型公开了一种用于薄壁平面工件固定的真空吸附装置,包括真空吸附板和密封盖板。真空吸附板的上表面设有贯穿真空吸附板的n个吸气孔,下表面开设有m条互不连通的真空凹槽,每条真空凹槽既与若干吸气孔相连通,也与抽真空系统的吸气管相连通。每条真空凹槽周边均开设有互不连通的环绕真空凹槽的环形密封槽,内置密封材料,与密封盖板一起,将真空吸附板的上表面形成了m个互不连通的真空吸附区域。结合吸气孔孔塞的使用,可以解决真空吸附装置工作过程中个别吸气孔出现突发密封问题所导致工件吸附失效问题 ...
刘波, 马海鹏, 张华民
core  

[Research progress on medial support augmentation techniques for proximal humeral fractures]. [PDF]

open access: yesZhongguo Xiu Fu Chong Jian Wai Ke Za Zhi
He P, Zheng Y, Kong L, Liu H, Chen H.
europepmc   +1 more source

[A real-world study of clinical cure in children with HBeAg-positive chronic hepatitis B from the Guangxi region]. [PDF]

open access: yesZhonghua Gan Zang Bing Za Zhi
Lyu RY   +7 more
europepmc   +1 more source

[A Transformer-based model using laboratory indicators efficiently differentiates ovarian cancer]. [PDF]

open access: yesNan Fang Yi Ke Da Xue Xue Bao
Tan S   +6 more
europepmc   +1 more source

[Research progress of electroactivity graphene-based materials in bone repair]. [PDF]

open access: yesZhongguo Xiu Fu Chong Jian Wai Ke Za Zhi
Kang R, Yuan W, Zhu Y.
europepmc   +1 more source

Home - About - Disclaimer - Privacy