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[期刊论文] 作者:WANG Daode,LIN Yangting LIU Ji, 来源:科学通报 年份:2004
Isotopic compositions of noble gases from the Guangmingshan chondrite were analyzed. Based on the analyses of cosmogenic nuclei, cosmic-ray exposure age of the...
[期刊论文] 作者:HOU Linke,ZHANG Yanjie,ZHAN Ji, 来源:地理学报(英文版) 年份:2004
This paper attempts to explore the temporal and spatial nature of the marginal revenue of land,total factor productivity (TFP) change and its three components:t...
[期刊论文] 作者:CHEN Haoming,YUAN Weihua,LI Ji, 来源:大气科学进展(英文版) 年份:2004
In this study,records from a 3-yr intensified observational experiment at eight stations along the hillside of Seqilashan over the southeastern Tibetan Plateau...
[期刊论文] 作者:DUAN Keqin,Wang Ninglian,PU Ji, 来源:科学通报 年份:2004
Three ice cores distributed across Dasuopu glacier in Himalayas were recovered. A 400-year net annual accumulation record reconstructed from one of the cores re...
[期刊论文] 作者:ZHANG Xin,WANG Bin,JI Zhongzhe, 来源:自然科学进展 年份:2004
On July 20~21, 1998, a torrential rain with 24-hour rainfall of 286 mm occurred in Wuhan, Hubei Province of China. In this study, a three-dimensional variational...
[期刊论文] 作者:WANG Jian-qi,SHI Xu-bo,YANG Ji, 来源:中华医学杂志 年份:2004
Background Although low-molecular-weight heparin has replaced unfractionated heparin to become the primary anticoagulation drug for treatment of acute coronary...
[期刊论文] 作者:HUANG Bing,LIU Jian-wen,BAI Ji, 来源:热带气象学报(英文版) 年份:2004
In this study, we derived atmospheric profiles of temperature, moisture, and ozone, along with surface emissivity, skin temperature, and surface pressure, from...
[期刊论文] 作者:XU Jianpeng,ZHANG Quanqi,QI Ji, 来源:中国海洋大学学报(英文版) 年份:2004
Tissue expression and stock variation of isozymes of stone flounder (Kareius bicoloratus) were analyzed with horizontal starch gel electrophoresis. For the four...
[期刊论文] 作者:QI Yanxia,JI Hongwei,XIN Huizh, 来源:中国海洋大学学报(英文版) 年份:2004
A new kinetic-spectrophotometric method is proposed for the determination of copper ( Ⅱ ). The method is based on the catalytic effect of copper ( Ⅱ ) on the...
[期刊论文] 作者:JIN Zhangdong,ZHU Jinchu,JI Ju, 来源:中国科学D辑 年份:2004
Illite, a distinctive kind of clay minerals of potassiumalteration within the hydrothermal alteration zone, frequently occurs at the Tongchang porphyry copper d...
[期刊论文] 作者:DONG Yunwei,JI Tingting,DONG S, 来源:中国海洋大学学报(英文版) 年份:2004
Activities of hexokinase (HK), pyruvate kinase (PK), superoxide dismutase (SOD) and catalase (CAT) and Hsp70 level were measured to evaluate the response of the...
[期刊论文] 作者:SHAO Ji' an,LIU Futian,CHEN H, 来源:自然科学进展 年份:2004
High-resolution tomographic images across Japan Trenh-Changhai Mountains-lDong Ujimqinqi are displayed, showing the morphological feature of the subducted slab...
[期刊论文] 作者:LI Xin,JI Fang,ZHOU Hong-fei, 来源:中国地理科学 年份:2004
Natural environment, inland water distribution and water circulation has been changed greatly affected by human activities in Xinjiang, China. Human activities...
[期刊论文] 作者:LI Hong-jun,ZHAO Zhi-min,JI Le, 来源:中国生物医学工程学报(英文版) 年份:2004
Microcirculation images often have low quality in acquisition process,which affect the following steps of process.This paper introduces enhancement algorithm ba...
[期刊论文] 作者:LIU Yonggang,YUAN Yaochu,SU Ji, 来源:科学通报(英文版) 年份:2004
Based on the CTD and meteorological data obtained by R/V Xiangyanghong No.14 in the South China Sea (SCS) in the summer of 1998, both current velocity and volum...
[期刊论文] 作者:Chang-ming LI,Tao JI,Ying SUN, 来源:测试科学与仪器 年份:2004
In order to resolve the problem of the unbalanced threephase and unstable voltage,intellectual economized technique on electricity based on electromagnetic regu...
[期刊论文] 作者:GU De-jun,Tim LI,JI Zhong-ping, 来源:热带气象学报(英文版) 年份:2004
The relationship between the intensity of the South China Sea summer monsoon (SCSSM) and the Nino3.4 index and anomalous atmospheric circulation patterns associ...
[期刊论文] 作者:Long Ma,TingXi Liu,HongLan Ji,, 来源:寒旱区科学(英文版) 年份:2004
The town of Agura,a typical region in Horqin Sandy Land,was selected as the study area in this paper.Using 12 remote sensing images and climatic data from the p...
[期刊论文] 作者:JI Xin-ming,ZHU Jie-Qing,XU Ho, 来源:核技术 年份:2004
X-ray mass absorption coefficients play an important role in the accu-racy of any XRF intensity calculation. It is necessary to determine the proper schemesfor...
[期刊论文] 作者:GAO Yu-feng,SHEN Yang,ZHANG Ji, 来源:中国海洋工程(英文版) 年份:2004
The dynamic stress introduced in half elastic space by wave loading is characterized by the equation between the magnitude of half cyclic axial stress and cycli...
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