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检索条件""
18804 条 记 录,以下是121-130 订阅
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Microstructure and mechanical properties of c/Sic-niobium alloy (c103) joint brazed with TicuAg alloy for aerospace applications
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cERAMIcS INTERNATIONAL 2023年 第17期49卷 29265-29273页
作者: Kamal, Anurag Shukla, Anoop Kumar Shinde, Vijay M. Rajasekhar, Buragadda, V Indian Inst Technol BHU Dept Chem Engn Varanasi 221005 India Indian Space Res Org ISRO Ceram Matrix Prod Div ASCG PCM Vikram Sarabhai Space Ctr Thiruvananthapuram 695022 India ISRO Vikram Sarabhai Space Ctr Special Met Facil MMG MME Thiruvananthapuram 695022 India
In this study, niobium-based alloy c103 is joined to carbon fibre-reinforced Sic (c/Sic) composite utilising commercially available Ticusil & REG;and cusil & REG;alloy braze filler material. Various characteri... 详细信息
来源: 评论
A mechanism underlying stimulation and inhibition of protein kinase c by lyso-Pc: A role of membrane physical state
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Science china(Life Sciences) 1998年 第6期41卷 584-591页
作者: 潘最 陈建文 1. State Key Laboratory of Biomacromolecules Institute of Biophysics Chinese Academy of Sciences 100101 Beijing China
Lysophosphatidylcholine (lyso Pc) biphasically regulates the diacylglycerol induced activation of protein kinase c (PKc). In common parlance, lyso Pc stimulates PKc at low concentrations, but, conversely, inhibits it ... 详细信息
来源: 评论
Tribological behavior and wear mechanism of c/c-Sic brake discs based on third-body layer
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INTERNATIONAL JOURNAL OF APPLIED cERAMIc TEcHNOLOGY 2023年 第2期20卷 1310-1326页
作者: Hui, Yang Liu, Guimin Shi, Ruidong Zhang, Yong Yan, Tao Acad Army Armored Forces Dept Equipment Maintenance & Remfg Engn Beijing 100072 Peoples R China
c/c-Sic composites are promising candidates for heavy-duty tracked vehicle brake discs. A third-body layer (TBL) can be formed on the surface of c/c-Sic self-mated brake discs, which has an important impact on tribolo... 详细信息
来源: 评论
comprehensive determination of seven polyphenols in Eucommia ulmoides and its anti-oxidative stress activity in c. elegans
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JOURNAL OF FOOD MEASUREMENT AND cHARAcTERIZATION 2019年 第4期13卷 2903-2909页
作者: Hou, Peilin Wang, Qing Qi, Wuqin Zhang, Yanqing Xie, Junbo Tianjin Univ Commerce Coll Biotechnol & Food Sci Tianjin 300134 Peoples R China Tianjin Univ Tradit Chinese Med Sch Chinese Mat Med Tianjin 301617 Peoples R China
In this study, an efficient HPLc method was developed and validated to determine seven polyphenols, i.e. chlorogenic acid, caffeic acid, protocatechuic acid, geniposide, rutin, quercetin and isorhamnetin, in different... 详细信息
来源: 评论
Effect of a Ti plus c Granule Size on combustion in a Nitrogen Flow
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cOMBUSTION EXPLOSION AND SHOcK WAVES 2021年 第1期57卷 60-66页
作者: Seplyarskii, B. S. Kochetkov, R. A. Lisina, T. G. Abzalov, N. I. Russian Acad Sci Merzhanov Inst Struct Macrokinet & Mat Sci Chernogolovka 142432 Russia
Dependence of the combustion of a Ti + c granular charge on a granule size is experimentally studied. It is revealed that the burning rate of a granular mixture of all fractions used in the work is higher than the bur... 详细信息
来源: 评论
Laser flash photolysis of fullerols of c_(60) and of c_(70) in aqueous solutions
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Science china chemistry 1998年 第3期41卷 259-265页
作者: 陆长元 姚思德 王文锋 童永彭 林维真 荣廷文 林念芸 1. Laboratory of Radiation Chemistry Shanghai Institute of Nuclear Research Chinese Academy of Sciences 201800 Shanghai China 2. Nuclear Analysis Center Shanghai Institute of Nuclear Research Chinese Academy of Sciences 201800 Shanghai China
Fullerols of c 60 and of c 70 \ [c 60 (OH)\-\%n\%, c 70 (OH)\-\%m\%], water\|soluble fullerene derivatives, unlike some other fullerene derivatives (such as c 60 (c\-4H\-6O), c 60 (c\-3H\-7N) and c 60 [c(cOOEt)\-2]\-\... 详细信息
来源: 评论
combustion synthesis of c/MgAl2O4 composite powders using magnesium oxalate as carbon source
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INTERNATIONAL JOURNAL OF APPLIED cERAMIc TEcHNOLOGY 2019年 第3期16卷 1253-1263页
作者: Lv, Lihua Xiao, Guoqing Ding, Donghai Ren, Yun Yang, Shoulei Yang, Pan Hou, Xing Xian Univ Architecture & Technol Coll Mat & Mineral Resources Xian Shaanxi Peoples R China
In order to solve the bottleneck problems including uniform distribution, and oxidation resistance of nano carbons in oxide ceramics, c/MgAl2O4 composite powders were prepared with Mgc2O4 center dot 2H(2)O, MgO2, Al2O... 详细信息
来源: 评论
Simultaneous enhancement of mechanical and ablation properties of c/c composites modified by (Hf-Ta-Zr)c solid solution ceramics
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JOURNAL OF THE EUROPEAN cERAMIc SOcIETY 2023年 第8期43卷 3182-3190页
作者: Miao, Qing Fu, Yanqin chen, Hui Zhang, Jianhua Zhao, Junhao Zhang, Yulei Northwestern Polytech Univ Carbon Carbon Composites Res Ctr State Key Lab Solidificat Proc Xian 710072 Peoples R China Henan Acad Sci Carbon Matrix Composites Res Inst Henan Key Lab High Performance Carbon Fiber Reinfo Zhengzhou 450046 Peoples R China
In order to improve the mechanical and ablative resistance of c/c composites, (Hf-Ta-Zr)c single-phase solid solution ceramics were introduced into c/c composites by polymer infiltration and pyrolysis (PIP) to fabrica... 详细信息
来源: 评论
Expression of structural proteins of hepatitis c virus (HcV) in mammalian cells
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Science china(Life Sciences) 1998年 第1期41卷 47-55页
作者: 李迎春 李光地 孔玉英 汪垣 王宇 闻玉梅 1. Shanghai Institute of Biochemistry Chinese Academy of Sciences 200031 Shanghai China 2. Institute of Liver Disease Beijing Medical University 100044 Beijing China 3. Laboratory of Medical Molecular Virology Ministry of Public Health Shanghai Medical University 200031 Shanghai China
The vaccinia viral vector containing T7 promoter was used to construct the expression plasmids carrying HcV structural genes of c, E1 and E2/NS1. These genes were transiently expressed in mammalian cells in the presen... 详细信息
来源: 评论
Effect of h-BN addition on thermo-physical properties and phonon mechanisms of c/c-BN composites
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cARBON 2023年 204卷 346-356页
作者: Niu, Zi-bo Xiao, Peng Zhang, Bengu Li, Zhuan chen, Fu chen, Pengju Li, Yang Cent South Univ Natl Key Lab Sci & Technol High Strength Struct Ma Changsha 410083 Peoples R China Cent South Univ Powder Met Res Inst Changsha 410083 Peoples R China
c/c-BN composites containing different contents of h-BN particles were prepared by chemical vapor infiltration (cVI), presenting different microstructures and pyrolytic carbon (Pyc) textures. The effects of different ... 详细信息
来源: 评论