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Sub-bandgap photocurrent response and carrier transport properties of undoped semi-insulating LEC Ga
[期刊论文] 作者:Yang Ruixia,Zhao Zhengping,Lou Jianzhong,LV Miao,Yang Yongjun,LIU Lihao,
来源:稀有金属(英文版) 年份:2003
Undoped (ND) semi-insulating (SI) liquid encapsulated Czochralski (LEC) GaAs crystals were investigated by photocurrent and temperature-dependent Hall measureme...
[期刊论文] 作者:Yong-Bin Ding,Guo-Yu Chen,Jian-Guo Xia,Xi-Wei Zang,Hong-Yu Yang,Li Yang,
来源:城市道桥与防洪 年份:2003
该文从挂篮荷载计算、施工流程、支座及临时固结施工、挂篮安装及试验、合拢段施工、模板制作安装、钢筋安装、混凝土的浇筑及养生、测量监控等方面人手,介绍了S226海滨大桥...
[期刊论文] 作者:Li-Qun Yang,Wei-Feng Yu,Yun-Fei Cao,Bin Gong,Qing Chang,Guang-Shun Yang,
来源:城市道桥与防洪 年份:2003
该文从挂篮荷载计算、施工流程、支座及临时固结施工、挂篮安装及试验、合拢段施工、模板制作安装、钢筋安装、混凝土的浇筑及养生、测量监控等方面人手,介绍了S226海滨大桥...
[期刊论文] 作者:Chuan-Yuan Hsu,Cheng-Hsin Chu,Shee-Chan Lin,Fee-Shih Yang,Tsen-Long Yang,Kuo-Ming Chang,,
来源:World Journal of Gastroenterology 年份:2003
AIM Hepatocelluar adenoma(HCA)and adenomatoushyperplasia(AH)are rare benign tumors of the liver.HCA isusually found in women who use oral contraceptives.AHusual...
,Excitonic level structures of LH1 and LH2 of purple photosynthetic bacteria using an analytical app
[期刊论文] 作者:Yang Guang-Can(杨光参),Wang Li(汪力),Yang Guo-Zhen(杨国桢),
来源:中国物理(英文版) 年份:2003
The excitonic level structure of a ring-like chain of dimers is discussed analytically in order to aid the understanding of the possible spectral properties of...
[期刊论文] 作者:DU Chang-long(杜长龙),YANG Shan-guo(杨善国),YANG Xiu(杨秀),
来源:煤炭学报(英文版) 年份:2003
On the basis of analysis of the present roofbolter\'s structures, the pneumatic vane motor roofbolter was proposed and researched. Structure principle of MFT-80Y type pneumatic vane motor roofbolter was expounded, a new project of the rotar......
Partial Melting and Its Implications for Understanding the Seismic Velocity Structure within the Sou
[期刊论文] 作者:YANG Xiaosong MA Jin JIN Zhenm,
来源:地质学报:英文版 年份:2003
In order to constrain the crustal wave velocity structure in the southern Tibetan crust and provide insight into the contribution of crustal composition, geothe...
[期刊论文] 作者:YANG Yixin SUN Chao MA Yuanlia,
来源:声学技术 年份:2003
In modern active and passive sonar systems, broadband beamforming for acoustic arrays is widely used to suppress unwanted interference and to detect target sign...
[期刊论文] 作者:Yang M. Mahfouf D.A.Link,
来源:材料科学技术:英文版 年份:2003
The accuracy of numerical simulations and many other material design calculations, such as the rolling force, rollingtorque, etc., depends on the description of...
A Method of Obtaining Deformation Information by Tracing Deformation from Sections for 3D FE Simulat
[期刊论文] 作者:Mei ZHAN He YANG Yuli LIU,
来源:材料科学技术:英文版 年份:2003
With the development of computer technology and finite element method, the priority research area of plasticforming has focused on 3D FE simulation of forming p...
[期刊论文] 作者:Yang,朱新民,魏宏阳,
来源:中国畜牧兽医 年份:2003
关于日粮添加VE对谷物饲养牛的肉脂氧化和肉色影响的研究很多,而对放牧牛的关注很少,放牧牛肉中可能含有大量的天然α-生育酚和胡萝卜素。本研究评价了仅仅采食牧草与补饲VE对......
[期刊论文] 作者:YANG Jun-he,FENG An-zu,DU He-gui,,
来源:Journal of Iron and Steel Research(International) 年份:2003
The catalytic effects of minerals (oxides) on solution loss reaction of coke were investigated in detail by adding oxides to coal which produces coke or absorbi...
[期刊论文] 作者:Rui Yang Biqian Liu Qijun Luo,
来源:海洋学报:英文版 年份:2003
Genetic variation of 11 lines of Porphyra yezoensis from the coastline of Kagoshima ofJapan, Qingdao, Nantong, Putuo and Nanji Islands of China were studied by...
[期刊论文] 作者:ZHANG Tao YANG Li-Ting LIU Hua,
来源:有机化学 年份:2003
Andirolactone 1 as the dextro enantiomer is a sesquiterpenoid with structure of spirocyclic butenolide, isolated from the wood of cedar ( Cedrus libanotica ), w...
[期刊论文] 作者:ZHOU Ling YANG Yong-Gang CAO X,
来源:有机化学 年份:2003
Gibbilimbols (1) were isolated from the leaves of Piper gibbilimbum in Papua New Guinea, which showed cyto toxicity toward KB nasopharyngal cancer cells (EDs0 2...
[期刊论文] 作者:LIN He-Chun YANG Li LI Chao-Zh,
来源:有机化学 年份:2003
We report here the first alkyl radical additions of (η6-arene)tricarbonylmanganese complexes in the presence of alkylmercury chloride and NaI (Eq. 1). The mech...
[期刊论文] 作者:YANG Xue-Mei LIU Ling-Yan LI B,
来源:有机化学 年份:2003
Recently, much concentration has been focused on chiral macrocyclic amides that bear the dual features of macrocyclic polyamines and oligopeptides, which can ac...
[期刊论文] 作者:YANG Bing-Qin ZHU Ai-Lin SUN J,
来源:有机化学 年份:2003
There exists a close relationship between the field of synthetic host-guest chemistry and molecular recognition in biological systems. Artificial host-guest sys...
[期刊论文] 作者:WANG Min YANG Liang-Ru ZHANG J,
来源:有机化学 年份:2003
Transition-metal catalyzed reaction represents an extremely versatile method in organic synthesis. [1] Searching for highly efficient catalysts has been the aim...
[期刊论文] 作者:YANG Zhen-Jun Chung K. Chu ZHA,
来源:有机化学 年份:2003
We have described a novel use of the D4G prodrug (Cyclo-D4G) approach to stabilize the nucleoside and maintain the anti-HIV activity. β-D-Dioxolanyl-2-amino-6-...
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