TRACING

作品数:417被引量:698H指数:12
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An interactive viral genome evolution network analysis system enabling rapid large-scale molecular tracing of SARS-CoV-2
《Science Bulletin》2022年第7期665-669,共5页Yunchao Ling Ruifang Cao Jiaqiang Qian Jiefu Li Haokui Zhou Liyun Yuan Zhen Wang Liangxiao Ma Guangyong Zheng Guoping Zhao Zefeng Wang Guoqing Zhang Yixue Li 
supported by the National Key Research and Development Program of China (2021YFC0863300, 2021YFF0703703, and 2020YFC0845900);CAS Strategic Priority Research Program (XDB38060100, XDB38030100, XDB38050000, XDB38040100, and XDC01040100);Science and Technology Service Network Initiative of Chinese Academy of Sciences (KFJSTS-QYZD-126)
The comprehensive analyses of the SARS-CoV-2 genomes could provide a global picture of how the virus was transmitted among different populations,which may help predict the oncoming trends of the pandemic.The main appr...
关键词:快速分析方法 thoroughly among 
Comprehensive study on genetic pathways and parent materials of secondary biogenic gas in coalbeds被引量:2
《Chinese Science Bulletin》2014年第10期992-1001,共10页Mingxin Tao Wanchun Wang Zhongping Li Yuzhen Ma Jing Li Xiaobin Li 
supported by the National Natural Science Foundation of China(41172107);the National Basic Research Program of China(2002CB211701);the Program of State Key Laboratory of Earth Surface Processes and Resource Ecology(2011-zy-04)
The types of substances in coal rock used by microbes,the specific ways in which microbes produce secondary biogenic gas(SBG)and whether substances exist in the coal seam for the formation of a large amount of SBG are...
关键词:SECONDARY BIOGENIC GAS Geneticpathway PARENT materials ISOTOPIC TRACING Coalbed GAS 
Tracing the life history of a marginal sea——On “The South China Sea Deep” Research Program被引量:21
《Chinese Science Bulletin》2012年第24期3093-3114,共22页WANG PinXian 
supported by the National Natural Science Foundation of China (91128000);the National Basic Research Program of China (2007CB815902)
The Major Research Program "Deep Sea Processes and Evolution of the South China Sea", or "The South China Sea Deep", launched in January 2011 by the National Natural Science Foundation of China, is the first large-sca...
关键词:中国南海 边缘海 生命 海深 国家自然科学基金 深海沉积物 生物地球化学过程 跟踪 
Research on the technology of femtosecond laser micromachining based on image edge tracing被引量:1
《Chinese Science Bulletin》2010年第9期879-883,共5页Zhang DongShi Chen Feng Liu HeWei Wang XianHua Du Kai Si JinHai Hou Xun 
supported by the National Natural Science Foundation of China (Grant Nos. 60678011 and 10674107)
Aiming at fabrication of complex microstructures and micro-patterns, a kind of femtosecond laser micromachining technology based on the BMP image edge tracing was proposed. We introduced the general principle of this ...
关键词:FEMTOSECOND laser IMAGE EDGE detection MICROMACHINING micro-pattern 
Tracing the major source area of the mountainous runoff generation of the Heihe River in northwest China using stable isotope technique被引量:17
《Chinese Science Bulletin》2009年第16期2751-2757,共7页WANG NingLian ZHANG ShiBiao HE JianQiao PU JianChen WU XiaoBo JIANG Xi 
Supported by the International Partnership Project of Chinese Academy of Sciences (Grant No. CXTD-Z2005-2);National Natural Science Foundation of China (Grant No.4052501);National Basic Research Program of China (Grant No. 2005CB42 2003);Innovation Research Project of Chinese Academy of Sciences (Grant No. kzcx2-yw-310)
Based on the data of δ18O in precipitation during the period of April 2006 through May 2007 in the upper catchment of the main stream of the Heihe River in the Qilian Mountains, we found that there existed an evident...
关键词:山区流域 黑河干流 中国西北地区 径流量 同位素技术 源区 发电 稳定 
Tracing the sources of particles in the East Rongbuk ice core from Mt. Qomolangma被引量:4
《Chinese Science Bulletin》2009年第10期1781-1785,共5页XU JianZhong HOU ShuGui CHEN FuKun REN JiaWen QIN DaHe 
Supported jointly by National Basic Research Program of China (Grant No. 2007CB411501);National Natural Science Foundation of China (Grant No. 90411003);Hundred Talents Project of the Chinese Academy of Sciences (Grant No. KZCX3-SW-344)
Sr-Nd-Pb isotopic tracer was applied, for the first time, to identifying the sources of the particles in the East Rongbuk ice core from Mt. Qomalangma (Everest). The results show that the particles in the dirty layers...
关键词:东绒布冰芯 珠穆朗玛峰 粒子 西北干旱地区 同位素示踪 西北部 印度 钻探 
Tracing neuronal tracts in theolfactory pathway of rat anddetecting ischemic core in arat model of focal ischemiausing manganese enhancedmagnetic resonance imaging
《Chinese Science Bulletin》2004年第17期1834-1840,共7页FANGKe LIYingxia LIUHua LIAOWeijing LEIHao 
Manganese enhanced magnetic resonance im- aging (MRI) is a novel neuroimaging technique that can be used in vivo to trace neuronal tract and to study brain func- tions dynamically. In this study, manganese enhanced MR...
关键词:MRI 神经元 局部缺血 脑缺血 锰离子 钙离子 嗅球 磁响应图像 
^(137)Cs tracing of lacustrine sediments in the Dalian Lake,Qinghai Province,China被引量:3
《Chinese Science Bulletin》2001年第S1期83-87,共5页VAN Ping, DONG Guangrong & DONG ZhibaoChina Certer of Desert Research at Beijing Normal University, Beijing100875, China:Key Laboratory of Environmental Change and Natural Disaster, the Ministry of Education of China, Beijing Normal University, Beijing 100875, China Cold and Arid Regions Environmental and Engineering Research Institute, Chinese Academy of Sciences, Lanzhou 730000, China 
This work was supported by the National Key Basic Research Program of China (Grant No. 0048702) ; the National Natural Science Founda- tion of China (Grant No. 40001001).
Based upon the analysis of Cs and grain-size parameters, the total amounts of 137Cs deposition by wind and water in the Dalian Lake of Gonghe Basin, Qinghai Province are defined. The vertical profile of 137Cs in the l...
关键词:137Cs technique DALIAN LAKE SEDIMENTATION rate. 
^(14)C measurement of forest soils in Dinghushan Biosphere Reserve被引量:7
《Chinese Science Bulletin》1999年第3期251-256,共6页SHEN Chengde , LIU Dongsheng (LIU Tungsheng) , PENG Shaolin, SUN Yanmin , JIANG Mantao , Yl Weixi , XING Changping , GAO Quanzhou , LI Zhi’an and ZHOU Guoyi Guangzhou Institute of Geochemisry, Chinese Academy of Sciences, Guangzhou 510640, China  Institute of Geology, Chinese Academy of Sciences , Beijing 100029, China  South China Institute of Botany, Chinese Academy of Sciences, Guangzhou 510650, China 
Organic carbon in forest soils of Qingyunsi and Wukesong profiles can be divided into fast and slow components. Δ14C values of these profiles decrease with increasing of depth. The Δ14C values ...
关键词:Dinghushan FOREST SOIL 14C TRACING 14C APPARENT age. 
An equivalent condition for Anosov maps with zero entropies
《Chinese Science Bulletin》1996年第11期887-890,共4页代雄平 
Project supported in part by the Foundation of Zhongshan University.
Sakai defined the Anosov maps on compact metric spaces. Sun proved that Anosovmaps have the orbit-topological stability, Markov partitions and ζ-funtions. Aformulation for the topological entropy of an Anosov map wes...
关键词:Anosov MAP topological entropy MARKOV PARTITION pseudo-orbits TRACING property expansive map. 
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