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检索条件"作者=2 institute of Low energy nuclear physics,and Department of Material Science and Engineering,beijing {13. university,beijing 100875,china"
92 条 记 录,以下是71-80 订阅
排序:
The Radiation Damage Mechanism of Rare Earth Doped BaF_2 Crystals
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Chinese journal of nuclear physics 1994年 第4期 359-363页
作者: Du Jie Chen Ling-yan (department of physics,Tongji university,Shanghai 200092)Chen Gang Ren Shao-xia (beijing Glass Research institute,beijing 100062)
The Discrete variation Xα(DV-Xα)method was used to calculate the energylevel of some rare earth doped BaF2 *** results indicated that elements Eu,Dyand Yb will change their valence from +3 to +2 under irradiation ... 详细信息
来源: 维普期刊数据库 维普期刊数据库 同方期刊数据库 同方期刊数据库 评论
自由电子激光对GaAs/AlGaAs异质结构材料电学性质的影响
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中国激光 2003年 第7期30卷 593-596页
作者: 张猛 林理彬 邹睿 张国庆 李永贵 四川大学物理系辐射物理及技术教育部重点实验室 四川成都610064 中国科学院高能物理所自由电子激光研究室 北京100080
自由电子激光(FEL)辐照样品前和辐照样品时,使用变温霍尔测量系统测试了这种n型调制掺杂GaAs/AlGaAs异质结构材料中准二维电子气(2DEG)的迁移率、电子浓度和电阻率。对比这两种情况下的结果可以发现:1)迁移率随温度升高而降低,光照使迁... 详细信息
来源: 维普期刊数据库 维普期刊数据库 同方期刊数据库 同方期刊数据库 评论
Enhancement of magnetoresistance ratio in MgO/NiFe/MgO heterostructure by rapid thermal annealing
Enhancement of magnetoresistance ratio in MgO/NiFe/MgO heter...
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2012中国功能新材料学术论坛暨第三届全国电磁材料及器件学术会议
作者: Chong-jun Zhao,~1 Yang Liu,~1 Jing-yan Zhang,~1 Li Sun,~2 Lei Ding,~3 Peng zhang,~4 Bao-yi Wang,~4 and Xing-zhong Cao~4,Guang-hua Yu,~(1,a)) 1 department of materials physics and Chemistry,university of science and Technology beijing, beijing 100083,People’s Republic of china 2 department of Mechanical engineering and Texas Center for Superconductivity(TcSUH) university of Houston,Houston,Texas 77204,USA 3 School of materials and Chemical engineering,Hainan university,Haikou 570228,People’s Republic of china 4 Key Laboratory of nuclear Analysis Techniques,institute of High energy physics,Chinese Academy of sciences,beijing 100049,People’s Republic of china
To reveal thermal effects on the film quality/microstructure evolution and the resulted magnetoresistance(MR) ratio in MgO/NiFe/MgO heterostructures,positron annihilation spectroscopy(PAS) studies have been *** is fou... 详细信息
来源: cnki会议 评论
Abnormal signature inversion and gigantic alignments in doubly-odd 126Ⅰ
Abnormal signature inversion and gigantic alignments in doub...
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第十四届全国核结构大会暨第十次全国核结构专题讨论会
作者: Y.Zheng,~1 L.H.Zhu,~(2,3,(?)) X.G.Wu,~(1,+) Z.C.Gao,~1 C.Y.He,~1 G.S.Li,~1 L.L.Wang,~1, 4 Y.S.Chen,~1 Y.Sun,~(5,6) X.Hao,~1 Y.Liu,~1 X.Q.Li,~1 B.Pan,~1 Y.J.Ma,~4 Z.Y.Li,~7 and H.B.Ding~8 1 china institute of Atomic energy,beijing 102413.china 2 School of physics and nuclear energy engineering,Beihang university,beijing 100191,china 3 Faculty of science,ShenZhen university,Shenzhen 518060,china 4 department of physics,Jilin university,Changchun 13.023,china 5 department of physics,Shanghai Jiao Tong university,Shanghai 200240,china 6 Joint institute for nuclear Astrophysics,university of Notre Dame,Notre Dame, Indiana 46556,USA 7 School of physics,Peking university,beijing 100871,china 8 department of physics,Tsinghua university,beijing 100084,china
The previously reported level scheme of I has been extended and modified considerably by the reaction of Sn(Li,5n)I at the beam energy of 48 *** first band crossing in the yrast band is found due to alignments of a pa...
来源: cnki会议 评论
Ageing behaviour of Pd40Cu30Ni10P20 bulk metallic glass during long-time isothermal annealing
Ageing behaviour of Pd40Cu30Ni10P20 bulk metallic glass duri...
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第九届全国正电子谱学会议
作者: J F Wang, L Liu, B Y Wang, C L Zhou, W Long department of materials science and engineering, Chongqing university, 400044 Chongqing, People’s Republic of china The State Key Lab of Plastic Forming Stimulation and Die & Mould Technology, Huazhong university of science & Technology, 430074 Wuhan, People’s Republic of china Lab of nuclear Analysis and Technology, institute of High energy physics, Chinese Academy of sciences, 100039 beijing, People’s Republic of china
In this paper, positron annihilation spectroscopy and differential scanning calorimetry wereapplied to study the structural relaxation of Pd40Cu30Ni10P20 bulk metallic glass during long-timeannealing at 523 K. It was ...
来源: cnki会议 评论
MSSBAUER STUDY OF Fe_(79)B_(15.5)Si_(3.5)C_2 AMORPHOUS ALLOY BEFORE AND AFTER ION IMPLANTATION
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Chinese science Bulletin 1989年 第9期34卷 722-726页
作者: 李士 李国栋 李德新 徐培光 熊兆奎 institute of High energy physics Academia Sinica Beijing institute of physics Academia Sinica Beijing institute of nuclear science and Technology Sichuan University Chengdu
I. INTRODUCTIONIon-implantation technique is a new technique developed in recent years. It was first applied to semiconductor devices in the 1960s, and then widespread into many fields such as solid state physics and ... 详细信息
来源: 维普期刊数据库 维普期刊数据库 同方期刊数据库 同方期刊数据库 评论
Nicotine attenuates β-amyloid-induced neurotoxicity in APPV7171 transgenic mice,APPsw overexpressed cell and Aβ transgenic ***
Nicotine attenuates β-amyloid-induced neurotoxicity in APPV...
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第十次中国生物物理学术大会
作者: Jie Zhang Qiang Liu Qi Chen Yuan Luo Nian-Qing Liu Chuan Qin Bao-Lu Zhao State key Laboratory of Brain and Cognitive sciences institute of Biophysics Academia Sinica beijing 100101 P. R. china The Salk institute for Biological Studies 10010 N. Torrey Pines Road La Jolla CA 92037 USA. department of Pharmaceutical science School of Pharmacy university of Maryland Laboratory of nuclear Analytical Techniques institute of High energy physics Academia Sinica beijing 100039 P. R. china institute of Laboratory Animal science Chinese Academy of Medical science beijing 100021 P. R. china
<正>Nicotine reduces β-amyloidosis and has a beneficial effect against Alzheimer’s disease (AD), but the underlying mechanism is not clear. The abnormal interactions of β-amyloid (Aβ) with metal ions such as...
来源: cnki会议 评论
Giant Neutron Halo in Exotic Calcium Nuclei
Giant Neutron Halo in Exotic Calcium Nuclei
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CCAST“放射性束物理”研讨会
作者: ZHANG Shuang-Quan, MENG Jie, ZHOU Shan-Gui,ZENG Jin-Yan department of Technical physics, Peking university, beijing 100871 institute of Theoretical physics, Chinese Academy of sciences, beijing 100080 Center of Theoretical nuclear physics, National Laboratory ofHeavy Ion Accelerator, Lanzhou 730000 department of physics, Peking university, beijing 100871(November 21, 2001)Supported partly by the Major State Basic Research Developmeat Program under Contract Number G2000077407 and theNational Natural science Foundation of china under Grant Nos. 19847002 and 19935030. e-mail: mengj@***
The properties of even-even Ca isotopes are studied using the relativistic continuum Hartree-Bogoliubov *** calculations reproduce the experimental binding energies E and two neutronseparation energies S very *** pred...
来源: cnki会议 评论
A STUDY OF THE SYSTEMATICS FOR(N,T)AND(N,3-He)REACTION CROSS SECTIONS AT 14 MeV
A STUDY OF THE SYSTEMATICS FOR(N,T)AND(N,3-He)REACTION CROSS...
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第八届全国核物理会议
作者: Yao Lishan Jin Yuling department of physics,Shaanxi Normal university Xi’an 710062,The P,R.china Cai Dunjiu institute of Atomic energy,P.O.Box 275-41 beijing 102413.The P.R.china
The systematic characters of(n,t)and(n,3-He)reaction cross sections have been studied in incident neutron energy En=14 MeV,*** systematic trends in the cross section data have been *** analysis of the gross trend and ...
来源: cnki会议 评论
含铌钕铁硼永磁体的纳米晶粒微观结构与矫顽力机制模型
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中国稀土学报 2003年 第Z1期21卷 125-129页
作者: 潘树明 平爵云 刘金芳 马如璋 北京有色金属研究总院 北京科技大学材料物理系 北京100080
运用1000kV超高压电子量微镜和Mossbauer谱仪结合磁测量,研究了含Nb钕铁硼永磁体的纳米微观结构与矫顽力机制模型。加入Nb,Ga等元素的NdFeB合金(3种化学元素以上组成Nd Fe B合金)的矫顽力变化机制用现有的成核硬化模型、界面局域钉扎、... 详细信息
来源: 维普期刊数据库 维普期刊数据库 同方期刊数据库 同方期刊数据库 评论