Results 171 to 180 of about 1,262,045 (226)

推力器射流动压分布检测与分析

, 2011
采用自行设计的动压探针,测量了大气压和真空环境下冷态氮气自由/冲击射流动压分布，以及 真空环境下氮/氢混合气电弧加热推力器羽流的动压分布。将动压径向分布积分所得结果与冲击平板 法间接测得的推力值做了比较。结果表明：大气压环境下测得的冷态氮气自由/冲击射流动压分布呈 现明显的亚声速流动的特点，真空环境下测得的冷态射流动压显示有波系存在的超声速流动状态；而 氮/氢混合气电弧加热推力器羽流的动压分布中看不出羽流中明显的激波存在。在一定条件下，即在 较高马赫数的超声速射流中，探针不影响气流在喷管内的膨胀过程 ...
潘文霞, 孟显, 吴承康
core  

[Effect of High-Altitude Hypoxia on the Pharmacokinetics and Brain Distribution of Phenytoin Sodium in Epileptic Rats]. [PDF]

Sichuan Da Xue Xue Bao Yi Xue Ban
Zhang X, Zhong Y, Mu H, Li W, Yang X, Wang R.   +5 more
europepmc   +1 more source

(Ti;Al)N涂层应力沿层深分布的调整及大厚度涂层的制备

, 2012
Sheng-Sheng Zhao, Yu Cheng, Zheng-Kai Chang, Tie-Gang Wang, Chao Sun   +4 more
semanticscholar   +1 more source

[Distribution of respiratory pathogens in patients with pneumonia in Yinzhou, Ningbo, 2015-2024]. [PDF]

Beijing Da Xue Xue Bao Yi Xue Ban
Yang Z, Li S, Li X, Shen P, Sun Y, Lin H, Jiang Z, Zhan S, Liu Z.   +8 more
europepmc   +1 more source

植物群落における葉量, 光分布, 全光合成の相互関係

, 1960
T. Saeki
semanticscholar   +1 more source

[Dynamic distribution and clearance of ^99mTc-DTPA in brain extracellular space]. [PDF]

Beijing Da Xue Xue Bao Yi Xue Ban
Zou J, Gao T, Wang Y, Ren M, Liu D, Long R, Cheng Y, Liu M, Xu Z, Xie Z, Lv P, Yuan L, Han H.   +12 more
europepmc   +1 more source

[Analysis of HCV genotype distribution characteristics in the Hotan region]. [PDF]

Zhonghua Gan Zang Bing Za Zhi
Wubuliaishan M, Lyu HL, Aibi A, Bai JZ, Zhang DY, Maitikuwan N, Chen L, Zhang WY, Lu JF.   +8 more
europepmc   +1 more source

Pathogen distribution and risk factors of bacterial and fungal infections after liver transplantation. [PDF]

Zhong Nan Da Xue Xue Bao Yi Xue Ban, 2022
Wu X, Wu L, Wan Q.
europepmc   +1 more source

[Clinical features and virulence gene distribution of <i>Klebsiella pneumoniae</i> multi-site infection in patients with hospital-acquired pneumonia]. [PDF]

Beijing Da Xue Xue Bao Yi Xue Ban
Geng Y, Liu C, Yang P, Zheng J, Shen N, DU Y.   +5 more
europepmc   +1 more source

紫茎泽兰9-羰基-10,11-去氢泽兰酮分布积累动态

, 2011
Jie Bai, Ao-Cheng Cao, Mei-Xia Guo, Xiao-Y. Liu, Xiao-Wen Liu, Hai Liang, Bo-Yang Zhou   +6 more
semanticscholar   +1 more source