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检索条件"作者=4 Research Center of CNOOC,beijing 100027,{3."
15545 条 记 录,以下是31-40 订阅
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Study on Transformation of CaO-Al_2O_3.SiO_2-MgO System Inclusions in ZG06Cr13.i4Mo Stainless Steel
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Journal of Iron and Steel research International 2011年 第S2期18卷 341-346页
作者: LIU Jian-hui1,3. DONG Han1,3. ZHU Rong2, LI Shi-qi2 (1. Institute for Structural Materials,Central Iron and Steel research Institute, beijing 100081,China 2. School of Metallurgical and Ecological Engineering,University of Science and Technology beijing, beijing 100083.China 3. National Engineering research center of Advanced Steel Technology, beijing 100081,China) Cent Iron & Steel Res Inst Inst Struct Mat Beijing 100081 Peoples R China Univ Sci & Technol beijing Sch Met & Ecol Engn Beijing 100083 Peoples R China Natl Engn Res Ctr Adv Steel Technol Beijing 100081 Peoples R China
This paper aims at generally studying on the inclusions of ZGG06Cr13.i4Mo ultra-low carbon stainless steel used for large scale hydraulic turbine sets. On the basis of analysis the industrial test samples, thermodynam... 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
Integrated precise orbit determination of Shenzhou IV unmanned spacecraft
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Science China(Technological Sciences) 2004年 第5期47卷 518-525页
作者: L Congmin1,2, GU Yidong3. LIN Baojun3.& GUO Jiong3.1. center for Space Science and Applied research, Chinese Academy of Sciences, beijing 100080, China 2. Graduate School of the Chinese Academy of Sciences, beijing 10003., China 3. General Establishment of Space Science and Application, Chinese Academy of Sciences, beijing 100080, China Correspondence should be addressed to L Congmin 1. center for Space Science and Applied research Chinese Academy of Sciences 100080 Beijing China 2. Graduate School of the Chinese Academy of Sciences 100039 Beijing China 3. General Establishment of Space Science and Application Chinese Academy of Sciences 100080 Beijing China
Considering the characteristic orbit of Shenzhou IV spacecraft and the advantages and disadvantages of several types of domestic orbit measurements, a scheme of IPOD is determined, which uses GPS, SLR and USB observat... 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
2.5-dimensional angle potential field algorithm for the real-time autonomous navigation of outdoor mobile robots
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Science China(Information Sciences) 2011年 第10期54卷 2100-2112页
作者: QIU Quan 1,3.& HAN JianDa 2 1 beijing research center of Intelligent Equipment for Agriculture,beijing 100097,China 2 State Key Laboratory of Robotics,Shenyang Institute of Automation,Chinese Academy of Sciences,Shenyang 110016,China 3.National research center for Intelligent Agricultural Equipment,beijing 100097,China 1. beijing research center of Intelligent Equipment for Agriculture Beijing 100097 China3. National Research Center for Intelligent Agricultural Equipment Beijing 100097 China2. State Key Laboratory of Robotics Shenyang Institute of Automation Chinese Academy of Sciences Shenyang 110016 China
A new real-time algorithm for the autonomous navigation of mobile robots equipped with laser scanners is proposed in this *** from the existing algorithms designed for 2-dimensional navigation problems,the new algorit... 详细信息
来源: 同方期刊数据库 同方期刊数据库 评论
Sorption behavior of U(VI), ^(23.)U(VI) and ^(23.)U(VI) onto fracture-filling clays in Beishan granite, Gansu: Application to selecting the site of high-level radwaste repository in China
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Science China Earth Sciences 2005年 第10期48卷 1649-1655页
作者: MIN Maozhong1,2, LUO Xingzhang3. WANG Ju4, JIN Yuanxin4 & WANG Rucheng1 1. Department of Earth Sciences, State Key Laboratory of Mineral Deposit research, Nanjing University, Nanjing 210093. China 2. center of Materials Analysis, Nanjing University, Nanjing 210093. China 3. Department of Environmental Science and Engineering, Nanjing University, Nanjing 210093. China 4. beijing Geology Institute, Nuclear Industry, beijing 100029, China Department of Earth Sciences State Key Laboratory of Mineral Deposit Research Nanjing University Nanjing China center of Materials Analysis Nanjing University Nanjing China Department of Environmental Science and Engineering Nanjing University Nanjing China beijing Geology Institute Nuclear Industry beijing China
The first results of sorption experiments of U(VI), 23.U(VI) and 23.U(VI) onto original (unpurified) fracture-filling clays from No.1 monzonitic granite intrusion, Beishan area, Gansu Province, China are reported. The... 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
Reconstruction of precipitation variation from tree rings in recent 1000 years in Delingha, Qinghai
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Science China Earth Sciences 2005年 第7期48卷 939-949页
作者: SHAO Xuemei1, HUANG Lei1, LIU Hongbin2, LIANG Eryuan1, FANG Xiuqi3.& WANG Lili1 1. Institute of Geographic Sciences and Natural Resources research, Chinese Academy of Sciences, beijing 100101, China 2. National Climate center, beijing 100081, China 3. beijing Normal University, beijing 100875, China Institute of Geographic Sciences Natural Resources Research Chinese Academy of Sciences Beijing 100101 China National Climate center Beijing 100081 China beijing Normal University Beijing 100875 China
Using seven well-replicated Qilian juniper (Sabina przewalskii Kom.) ring-width chronologies developed at Zongwulong and Shalike Mts. in the northeastern part of the Qaidam Basin annual precipitation from previous Jul... 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
Interannual variability of Antarctic Oscillation and its influence on East Asian climate during boreal winter and spring
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Science China Earth Sciences 2006年 第5期49卷 554-560页
作者: FAN Ke1,2,3.& WANG Huijun2 1. Nansen-Zhu International research center, Institute of Atmospheric Physics, Chinese Academy of Sciences, beijing 100029, China 2. Department of Atmospheric Science, Yunnan University, Kunming 650091, China 3. Graduate University of the Chinese Academy of Sciences, beijing 100049, China 1. Nansen-Zhu International research center Institute of Atmospheric Physics Chinese Academy of Sciences Beijing 100029 China 2. Department of Atmospheric Science Yunnan University Kunming 650091 China 3. Graduate University of the Chinese Academy of Sciences Beijing 100049 China
The interannual variability of Antarctic Oscillation (AAO) and its influence on East Asian climate during both boreal winter and spring are addressed. The results show that the positive AAO anomaly decreases the cold ... 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
Modified vegetation-erosion dynamics model and its application in typical watersheds in the Loess Plateau
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International Journal of Sediment research 2011年 第01期26卷 78-86页
作者: CHEN Yuehong~1,WANG Feixin~2,LIU Guangquan~3.YU Xinxiao~4, JIA Guodong~5,and GAN Ping~6 China Institute of Water Resources and Hydropower research,beijing 100048 International research and Training {3. on Erosion and Sediment research,beijing 100048,China beijing Forestry University,beijing 100083.China. Key Lab of Dredging Technology of CCGRP,Shanghai Waterway Engineering Design and Consulting Co., Ltd,Shanghai 200120,China. International research and Training {3. on Erosion and Sedimentation China Institute of Water Resources and Hydropower research,beijing 100048 Northwest A&F University,Yangling 712100,China, beijing Forestry University,beijing 100083.China, beijing Forestry University,beijing 100083.China. China Institute of Water Resources and Hydropower research,beijing 100048,and International research and Training {3. on Erosion and Sediment research,beijing 100048,China [a] Assoc. Prof. Dr. China Institute of Water Resources and Hydropower research beijing 100048 International research and Training center on Erosion and Sediment research beijing 100048 China beijing Forestry University beijing 100083 China [b] Dr. Key Lab of Dredging Technology of CCGRP Shanghai Waterway Engineering Design and Consulting Co. Ltd Shanghai 200120 China [c] Prof. Dr. International research and Training center on Erosion and Sedimentation China Institute of Water Resources and Hydropower research beijing 100048 Northwest A&F University Yangling 712100 China [d] Prof. Dr. beijing Forestry University beijing 100083 China [e] Dr. beijing Forestry University beijing 100083 China [f] Engineer China Institute of Water Resources and Hydropower research beijing 100048 and International research and Training center on Erosion and Sediment research beijing 100048 China
The vegetation-erosion model was applied in three typical watersheds of hilly and gully area in the Loess Plateau in northwestern China to study the dynamic relations between vegetation coverage and soil erosion rate ... 详细信息
来源: 同方期刊数据库 同方期刊数据库 评论
Dam risk assistant analysis system design
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Science China(Technological Sciences) 2008年 第S2期51卷 101-109页
作者: HE XianFeng1,2,3.GU ChongShi3.4,WU ZhongRu3.4 & SU HuaiZhi3.4 1 Yellow River Institute of Hydraulic research,Zhengzhou 450003.China 2 Embankment Security Defect Prevention and Control Engineering research center of MWR,Zhengzhou 45000,China 3.College of Water Resources and Hydropower Engineering,Hohai University,Nanjing 210098,China 4 National Engineering research center of Water Resources Efficient Utilization and Engineering Safety,Hohai University,Nanjing 210098,China Yellow River Institute of Hydraulic research Zhengzhou 450003 China Embankment Security Defect Prevention and Control Engineering research center of MWR Zhengzhou 45000 China College of Water Resources and Hydropower Engineering Hohai University Nanjing 210098 China National Engineering research center of Water Resources Efficient Utilization and Engineering Safety Hohai University Nanjing 210098 China
In order to reduce the labor intensity and task difficulty of dam risk analysis and to meet the actual requirement of dam risk analysis,it is necessary to establish a dam risk assistant analysis *** program structure ... 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
Decoding algorithms for shortened-extended turbo product codes in WiMAX systems
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Science in China(Series F) 2009年 第12期52卷 2415-2423页
作者: XU ChangLong1,3.4, YANG Wei1,2 & YE WeiChen4 1 State Key Laboratory of Networking and Switching Technology, beijing University of Posts and Telecommunications, beijing 100044, China 2 State Key Laboratory of Rail Traffic Control and Safety, beijing Jiaotong University, beijing 100044, China 3.National Mobile Communications research Laboratory, Southeast University, Nanjing 210096, China 4 Intel Corporation, beijing Kerry center, Guanghua Road 1, beijing 100020, China State Key Laboratory of Networking and Switching Technology Beijing University of Posts and Telecommunications Beijing 100044 China State Key Laboratory of Rail Traffic Control and Safety Beijing Jiaotong University Beijing 100044 China National Mobile Communications research Laboratory Southeast University Nanjing 210096 China Intel Corporation Beijing Kerry Center Guanghua Road 1 Beijing 100020 China
The component codes of turbo product codes in WiMAX systems are extended Hamming codes and single parity check codes as well as their shortened forms, In this paper, three novel iterative decoding algorithms based on ... 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
Natural convection gas pendulum and its application in accelerometer and tilt sensor
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Progress in Natural Science:Materials International 2005年 第9期15卷 857-860页
作者: ZHANG Fuxue(research center of Sensor Technology, beijing Information Technology Institute, beijing 100101, China) research center of Sensor Technology Beijing Information Technology Institute Beijing 100101 China
It is discovered that the natural convection gas has the pendulum characteristic, which leads to the introduction of the new concept of gas pendulum. In this paper, the buoyancy lift of natural convection gas is analy... 详细信息
来源: 同方期刊数据库 同方期刊数据库 评论