MGB

作品数:175被引量:486H指数:10
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多芯MgB2/NbZr/Cu线材的制备及性能研究被引量:1
《中国材料进展》2009年第4期23-27,共5页闫果 王庆阳 刘国庆 熊晓梅 冯勇 A.Sulpice E.Mossang 
国家973计划项目(2006CB601004);国家自然科学基金(50752055)资助
采用NbZr/Cu复合管作为外包套材料,用粉末装管工艺(PIT)制备出千米级TiC掺杂的多芯MgB2/NbZr/Cu线材。在流动高纯氩气保护下、650~800℃温度区间内烧结2h。微观结构分析显示,该工艺制备的MgB2/NbZr/Cu线材具有良好的晶粒连结性和较高...
关键词:多芯MgB线材 元素掺杂 粉末装管法 临界电流密度 
猪繁殖与呼吸综合征病毒Taq Man-MGB荧光定量RT-PCR方法的建立和应用被引量:29
《中国预防兽医学报》2008年第12期944-948,991,共6页韦天超 田志军 安同庆 周艳君 肖燕 姜一峰 郝晓芳 张善瑞 彭金美 仇华吉 童光志 
国家“973”计划(2005CBZ523200);十一五国家科技支撑计划项目(2006BAD06A03/01/04,2007BAD86B03)资助;国家自然科学基金(30470072)
本研究设计针对猪繁殖与呼吸综合征病毒(PRRSV)ORF7基因的特异性引物和Taq Man荧光探针,建立了一种检测PRRSV的快速、敏感、特异和重复性好的Taq Man荧光定量RT-PCR方法。该方法在检测101拷贝/μL~107拷贝/μL模板范围内具有良好的线...
关键词:猪繁殖与呼吸综合征病毒 荧光定量RT-PCR 病毒含量 
Strong Quantum Fluctuation of Vortices in Bulk Samples of the New Superconductor MgB_(2)被引量:1
《Chinese Physics Letters》2001年第6期816-819,共4页WEN Hai-Hu LI Shi-Liang ZHAO Zhi-Wen NI Yong-Ming REN Zhi-An CHE Guang-Can YANG Hai-Peng LIU Zhi-Yong ZHAO Zhong-Xian 
Supported by the National Natural Science Foundation of China under Grant No.19825111;the Ministry of Science and Technology of China(NKBRSF-G1999064602).
By using transport and magnetic measurement,the upper critical field H_(c2)(T)and the irreversibility line Hirr(T)has been determined.A big separation between H_(c2)(0)and Hirr(0)has been found showing the existence o...
关键词:temperature. QUANTUM RELAXATION 
Upper Critical Field and Irreversibility Line Determined by Transport Measurement of the New Superconductor MgB_(2)
《Chinese Physics Letters》2001年第6期823-825,共3页JIN Hao WEN Hai-Hu LI Shi-Liang ZHAO Zhi-Wen NI Yong-Ming REN Zhi-An CHE Guang-Can YANG Hai-Peng LIU Zhi-Yong ZHENG Dong-Ning ZHAO Zhong-Xian 
Supported by the Ministry of Science and Technology of China(NKBRSF-G19990646);the National Natural Science Foundation of China under Grant No.19825111.
Resistive transitions of the new superconductor MgB_(2) are carried out under magnetic fields from 0 to 8 T.It is found that the irreversibility field Hirr(T)and the upper critical field Hc2(T)obtained are very close ...
关键词:ACTIVATION UPPER THERMAL 
Preparation and Characterization of the New Superconductor MgB_(2)
《Chinese Physics Letters》2001年第4期587-588,共2页SUN Yu-Ping SONG Wen-Hai DAI Jian-Ming WU Xing-Cai WANG Kai-You ZHAO Bing XIAO Hong DU Jia-Ju WEN Hai-Hu ZHAO Zhong-Xian 
Supported by the Ministry of Science and Technology of China(NKBRSF-G1999064602);the National Natural Science Foundation of China under Grant No.59872043;the Fundamental Research Bureau,Chinese Academy of Sciences.
Polycrystalline samples of the new superconductor MgB_(2) are prepared by solid state reaction using Mg and B powders.The resistance measurement shows that the onset transition temperature and zero resistance transiti...
关键词:RESISTANCE TRANSITION SUPERCONDUCTOR 
Superconducting Properties of MgB_(2) Prepared by High Pressure and Ambient Pressure
《Chinese Physics Letters》2001年第4期589-591,共3页REN Zhi-An CHE Guang-Can ZHAO Zhong-Xian CHEN Hong DONG Cheng NI Yong-Ming JIA Shun-Lian WEN Hai-Hu 
Supported by the Ministry of Science and Technology of China(NKBRSF-G19990646);the National Natural Science Foundation of China under Grant No.19825111。
The new superconductor MgB_(2) has been prepared by two ways: high pressure and ambient pressure synthesis. Their superconducting properties were measured and compared. It is found that the sample prepared by high pre...
关键词:synthesis. AMBIENT SUPERCONDUCTOR 
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