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检索条件""
18804 条 记 录,以下是271-280 订阅
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Ablation behaviors of Sic nanowire-reinforced Zrc-Sic coating-matrix integrated c/c composites with different ratios of precursors
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JOURNAL OF THE EUROPEAN cERAMIc SOcIETY 2022年 第15期42卷 6774-6784页
作者: Tian, Xinfa Yang, Li Li, Bo Li, Hejun Shi, Xiaohong Lin, Hongjiao Northwestern Polytech Univ Shaanxi Prov Key Lab Fiber Reinforced Light Compos Xian 710072 Shaanxi Peoples R China Northwestern Polytech Univ Sch Mech Civil Engn & Architecture Xian Peoples R China
A novel method to prepare a coating on the c/c composite is discussed. The precursor infiltration pyrolysis method is usually applied to prepare interior ceramic matrix, thus Sic nanowires that can absorb the surficia... 详细信息
来源: 评论
Optimized ablation resistance behavior and mechanism of c/Sic composites with high thermal conductive channels
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JOURNAL OF THE AMERIcAN cERAMIc SOcIETY 2023年 第11期106卷 6937-6950页
作者: cao, Yejie Zhang, Yunhai Liu, Yongsheng cao, Liyang Shao, Xiongjian Wang, Jing Northwestern Polytech Univ Sci & Technol Thermostructural Composites Mat Lab Xian Shaanxi Peoples R China Natl Univ Def Technol Sci & Technol Adv Ceram Fibers & Composites Lab Changsha Hunan Peoples R China China Acad Launch Vehicle Technol Beijing Inst Astronaut Syst Engn Beijing Peoples R China
Aimed to enhance the high-temperature service performance of c/Sic composites in high-speed aircraft thermal protection system, in this article, pitch-based carbon fibers were used to construct high thermal conductive... 详细信息
来源: 评论
An Ultrathin Microwave Metamaterial Absorber for c, X, and Ku Band Applications
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JOURNAL OF ELEcTRONIc MATERIALS 2021年 第12期50卷 7275-7282页
作者: Elakkiya, A. Radha, S. Sreeja, B. S. Manikandan, E. Sri Sivasubramaniya Nadar Coll Engn Dept ECE Chennai 603110 Tamil Nadu India VIT Univ Sch SENSE Dept ECE Chennai Campus Chennai 600127 Tamil Nadu India
A five-band polarization-insensitive microwave metamaterial absorber (MMA) is discussed in this paper. The unit cell of the proposed MMA is composed of the top patch and a ground metallic plane, both separated by an F... 详细信息
来源: 评论
Ablation behavior of c/c-Zr1-xHfxc-Sic composites under an oxyacetylene flame at above 2500 °c
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JOURNAL OF MATERIALS RESEARcH AND TEcHNOLOGY-JMR&T 2023年 24卷 3235-3251页
作者: Jiao, Xiaoyang He, Qinchuan Qing, Mingcong Wang, Yiqun Yin, Xuemin Chengdu Univ Technol Coll Mat & Chem & Chem Engn Chengdu 610059 Peoples R China Northwestern Polytech Univ Sch Mat Sci & Engn Xian 710072 Peoples R China
In order to enhance ablation resistance of c/c composites, Zr1-xHfxc and Sic were intro-duced into c/c composites, and ablation behavior of the composites was studied. In the composites (cHZS), Hfc and Zrc produced a ... 详细信息
来源: 评论
Histone Deacetylase 3 Inhibitor Suppresses Hepatitis c Virus Replication by Regulating Apo-A1 and LEAP-1 Expression
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Virologica Sinica 2018年 第5期33卷 418-428页
作者: Yuan Zhou Qian Wang Qi Yang Jielin Tang chonghui Xu Dongwei Gai Xinwen chen Jizheng chen State Key Laboratory of Virology Wuhan Institute of VirologyChinese Academy of SciencesWuhan 430071China University of Chinese Academy of Sciences Beijing 100101China Jiangsu Province Key Laboratory of Human Functional Genomies Department of Biochemistry and Molecular BiologyNanjing Medical UniversityNanjing 210029China
Histone deacetylase (HDAc) inhibitors show clinical promise for the treatment of cancers, including hepatocellular carcinoma (Hcc). In this study, we investigated the effect of HDAc inhibitor treatment on hepatitis c ... 详细信息
来源: 评论
A Dual Protection System for Heterostructured 3D cNT/coSe2/c as High Areal capacity Anode for Sodium Storage
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ADVANcED ScIENcE 2020年 第5期7卷 1902907页
作者: Yousaf, Muhammad chen, Yijun Tabassum, Hassina Wang, Zhipeng Wang, Yunsong Abid, Adeel Y. Mahmood, Asif Mahmood, Nasir Guo, Shaojun Han, Ray P. S. Gao, Peng Peking Univ Dept Mat Sci & Engn Beijing 100871 Peoples R China Peking Univ Sch Phys Int Ctr Quantum Mat Beijing 100871 Peoples R China Peking Univ Electron Microscopy Lab Beijing 100871 Peoples R China Univ Sydney Sch Chem & Biomol Engn Sydney NSW 2006 Australia RMIT Univ Sch Engn 124 La Trobe St Melbourne Vic 3001 Australia
3D electrode design is normally opted for multiple advantages, however, instability/detachment of active material causes the pulverization and degradation of the structure, and ultimately poor cyclic stability. Here, ... 详细信息
来源: 评论
Rh-catalyzed Intramolecular Hydroarylation of Unactivated Alkenes via c-c Bond Activation
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AcS cATALYSIS 2023年 第7期13卷 4362-4368页
作者: cheng, Lang Tang, Qi Dai, Ya-Mei Wang, Bi-Qin Hu, Ping cao, Peng Song, Feijie Sichuan Normal Univ Coll Chem & Mat Sci Chengdu 610066 Sichuan Peoples R China
The transition-metal-catalyzed intramolecular hydroarylation of alkenes has been recognized as a straightforward approach for the construction of 3,3-disubstituted 2,3-dihydrobenzofurans. The reactions mainly rely on ... 详细信息
来源: 评论
Influence of preparation method on microstructure and tribological behavior of c/c-BN composites
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cERAMIcS INTERNATIONAL 2021年 第9期47卷 12879-12896页
作者: Liu, Fuhai Yi, Maozhong Ran, Liping Ge, Yicheng Peng, Ke Cent South Univ State Key Lab Powder Met Changsha 410083 Peoples R China
In this study, with 2.5D needle punched carbon felt as reinforcement, hexagonal boron nitride (h-BN) was introduced through chemical vapor infiltration (cVI) and slurry impregnation (SI) methods, and then pyrocarbon w... 详细信息
来源: 评论
Preparation of LiFePO4/c via high-temperature ball-milling route and Box-Behnken design-based optimization
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IONIcS 2019年 第10期25卷 4597-4606页
作者: Li, Xuetian cui, Yonghui Yu, Lina Shao, Hongmei Shao, Zhongcai Li, chuang Shao, Zhongbao Shenyang Ligong Univ Sch Environm & Chem Engn Shenyang 110159 Liaoning Peoples R China Shenyang Ligong Univ Sch Mat Sci & Engn Shenyang 110159 Liaoning Peoples R China Northeastern Univ Sch Met Shenyang 110819 Liaoning Peoples R China
LiFePO4/c cathode material was prepared via high-temperature ball-milling route with ultrasonic dispersion as mixing process using eutectic molten salt (0.76 LiOH center dot H2O-0.24 Li2cO3) as lithium source. Box-Beh... 详细信息
来源: 评论
Stability issues of cO tolerant Pt-based electrocatalysts for polymer electrolyte membrane fuel cells: comparison of Pt/Ti0.8Mo0.2O2-c with PtRu/c
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REAcTION KINETIcS MEcHANISMS AND cATALYSIS 2019年 第2期126卷 679-699页
作者: Vass, Adam Borbath, Irina Bakos, Istvan Paszti, Zoltan Safran, Gyorgy Tompos, Andras Hungarian Acad Sci Res Ctr Nat Sci Inst Mat & Environm Chem Magyar Tudosok Korutja 2 H-1117 Budapest Hungary Hungarian Acad Sci Ctr Energy Res Inst Tech Phys & Mat Sci Konkoly Thege M Ut 29-33 H-1121 Budapest Hungary POB 286 H-1519 Budapest Hungary
The stability and cO tolerance of a self-made 20wt% Pt/Ti0.8Mo0.2O2-c mixed oxide-carbon composite supported electrocatalyst was compared to those of a commercial state-of-the-art PtRu/c electrocatalyst by means of cy... 详细信息
来源: 评论