Results 111 to 120 of about 4,137,519 (152)

一种化学气相淀积外延设备用的进气装置

open access: yes
本实用新型公开了一种化学气相淀积外延设备用的进气装置,该装置包含:一进气法兰盘,该法兰盘与筛板法兰通过密封胶圈密封连接;一匀气筛板,该匀气筛板嵌装入该进气法兰盘底面中央的圆形沉槽中;一中层筛板,该中层筛板与筛板法兰通过密封胶圈密封连接,中层筛板上的管与筛板法兰所对应的管对接在一起;一筛板法兰,该筛板法兰与反应腔密封连接。该装置将各种不同种类的原料气通过多个喷气筛孔喷射进入反应室内,并且不同的原料气相互交错,空间上分布均匀。该装置加工工艺简单,成本低,成品率高,应用在半导体外延材料制备过程中 ...
史永生, 王海, 朱建军
core  

[Expert consensus on the clinical diagnosis and treatment of coagulation disorders related to liver disease]. [PDF]

open access: yesZhonghua Gan Zang Bing Za Zhi
National Clinical Research Center for Infectious Diseases   +4 more
europepmc   +1 more source

[Spatial accessibility and optimization of pediatric healthcare resources in Beijing]. [PDF]

open access: yesBeijing Da Xue Xue Bao Yi Xue Ban
Zhang J, Zhu Z, Gong C, Han R, Yang L.
europepmc   +1 more source

[A new method for extracting adult mouse cardiac fibroblasts more efficiently and stably]. [PDF]

open access: yesBeijing Da Xue Xue Bao Yi Xue Ban
Ma X   +10 more
europepmc   +1 more source

[LC3-mediated autophagy promotes the occurrence of diabetic gastroparesis by targeting SIRT1]. [PDF]

open access: yesZhong Nan Da Xue Xue Bao Yi Xue Ban
Li P, Zhang T, Hu J, Wang Y.
europepmc   +1 more source

Home - About - Disclaimer - Privacy