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Effects of litter removal on plant species diversity: a case study in tropical Eucalyptus forest eco
[期刊论文] 作者：PENG Shao-Lin,REN Hai,WU Jian-Guo,LU Hong-fang,
来源：环境科学学报(英文版) 年份：2003
The removal of litterfall in the Eucalyptus plantations in south China affected the plant biodiversity in these ecosystems was found based on the field observat...
Analysis and Design of Soils and Terrain Digital Database (SOTER) Management System Based on Object-
[期刊论文] 作者：ZHANG HAITAO,ZHOU YONG,R.V.BIRNIE,A.SIBBALD,REN YI,
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：Jun Shi,Jing-Hua Hao,Wan-Hua Ren,Ju-Ren Zhu,
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：REN Yanxia(任艳霞) WANG Yongjin(王,
来源：中国科学：数学英文版 年份：2003
In this paper we consider a super-Brownian motion X with branching mechanism k(x)za, where k(x) ＞ 0 is a bounded Holder continuous function on Rd and infx∈Rd k(...
[期刊论文] 作者：LIU Jie(刘杰) ZHANG Ken-neng(张可能,
来源：中南工业大学学报：英文版 年份：2003
A set of analytical equations for the variation of the axial force along depth and the pile-top load-settle-ment curve were established, using tri-linear soften...
[期刊论文] 作者：LI Li 1 , ZHAO Jie 1, GU Hanq-,
来源：中国生物医学工程学报：英文版 年份：2003
...
[期刊论文] 作者：FENG Jie,ZHANG Jia-Bao,ZHU An-Ning,BI Jing-Wei,
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：Jie CHEN,Feng PAN,TAO CAI,Xuyan Tu,
来源：控制理论与应用(英文版) 年份：2003
There are some adjustable parameters which direcdy influence the performance and stability of Particle Swarm Op-ttimization algorithm. In this paper, stabilitie...
[期刊论文] 作者：GUAN Hui-ling,ZHANG You-yun,HAN Jie,DOGN Xin-min,
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 De-xin,ZHAO Hua-qun,JIA Jie,LU Yan-jun,
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...
The research on algorithm of criterion limit of monitoring point under the effect of multi-electroma
[期刊论文] 作者：Liu Bo,Wang Huimin,Yuan Haixia,Zhou Jie,
来源：微计算机信息(测控仪表自动化) 年份：2003
In terms of algorithmic problem of criterion limit of monitoring point under the effect of multi-electromagnetic radiation pollution sources in the spatial fiel...
Construction of hpaA gene from a clinical isolate of Helicobacter pyloriand identification of fusion
[期刊论文] 作者：Ya-Fei Mao,Jie YAN,Li-Wei Li,Shu-Ping Li,
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...
Ohmefentanyl stereoisomers induce changes of CREB phosphorylation in hippocampus of mice in conditio
[期刊论文] 作者：Can GAO,LI WEI CHEN,Jie CHEN,X,
来源：黑龙江科技学院学报 年份：2003
为探究吕家坨井田地质构造格局,根据钻孔勘探资料,采用分形理论和趋势面分析方法,研究了井田7...
[期刊论文] 作者：DONG Quanli(董全力) ZHANG Jie(张杰),
来源：中国科学：物理学、力学、天文学英文版 年份：2003
The interaction of femtosecond laser pulses with solid targets was studied through experiments and particle-in-cell (PIC) simulations. It is proved that the vac...
In vitro study of the influence of GST-π gene transfer on drug-resistance of human cord blood CD34 +
[期刊论文] 作者：Yu Chenghao,Yang Xingsheng,Cui Baoxia,Jiang Jie,
来源：现代妇产科进展 年份：2003
Objective: To investigate the influence of GST-π gene transfer on drug-resis-tance of human cord blood CD34+ cells. Methods:CD34+ cells were purified from cord...
Interface and Surface Properties of Nano—hydroxyapatite／Poly（1,4—Phenylene—Sulfide）—Poly（2,4—Phenyle
[期刊论文] 作者：严永刚, LI Yubao, Wei Jie, Zuo Yi,
来源：高技术通讯：英文版 年份：2003
The interface and surface properties of nano-hydroxyapatite(n-HA) and poly(1,4-phenylene sulfide)-poly (2,4-phenylene sulfide acid)(PPS-PPSA) copolymer composit...
[期刊论文] 作者：HAN Zhujun (韩竹军) XU Jie (徐 杰),
来源：中国科学：地球科学英文版 年份：2003
The active North China block consists of three second-order blocks: Ordos, North China Plain, and East Shandong-Huanghai Sea blocks. Two active tectonic zones,...
,Tuning Effect on the Electron Energy Distribution Function of an Inert Gas Mixture in nitrogen Indu
[期刊论文] 作者：MA Jie(马杰),PU Yi-Kang(蒲以康),
来源：中国物理快报（英文版） 年份：2003
By using a Langmuir probe, the electron energy distribution function (EEDF) is measured in inductively coupled plasma discharges in N2/Ar mixtures at 200 W rf p...
[期刊论文] 作者：YANG Li,Xue Chengshan,WANG Cuimei,Li Huaixiang,REN Yuwen,
来源：稀有金属(英文版) 年份：2003
Hexagonal gallium nitride films were successfully fabricated through ammoniating Ga2O3 films deposited on silicon (111 ) substrates by electrophoresis. The stru...
[期刊论文] 作者：Yi Shuping,Liu Fei,Zhang Jin,Ha Jin,Ren Guangsheng,
来源：机械工程学报(英文版) 年份：2003
In order to solve some key problems associated with the rapid manufacturing of metallic functional part, a new technique using vacuum solid-state pressure diffu...
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