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SAMPLES: 作品数：540被引量：912H指数：14; 导出分析报告; 相关作者：董祥芝袁乐永陈伟刘文恩李军更多>>; 相关机构：中南大学太原市中级人民法院冶金工业信息标准研究院北京化工大学更多>>; 相关期刊：更多>>; 相关基金：国家自然科学基金国家重点基础研究发展计划国家高技术研究发展计划中国博士后科学基金更多>>

In situ observations and quantitative Raman spectroscopic analyses of samples in high-pressure optical cells in hydrothermal experiments被引量：2: 《Science Bulletin》2021年第19期1933-1935,M0003,共4页I-Ming Chou; supported by the National Natural Science Foundation of China(41973055);the Key Frontier Science Program of the Chinese Academy of Sciences(QYZDY-SSW-DQC008)。; In 2011,through in situ Raman spectroscopic analyses of samples in a high-pressure optical cell(HPOC),called"hydrothermal diamond-anvil cell"(HDAC)[1]the■was recognized as a stable trisulfur radical ion in geological...; 关键词：实验样品高压腔 FUSED

A database of global wetland validation samples for wetland mapping被引量：3: 《Science Bulletin》2015年第4期428-434,M0003,共8页郑姚闽牛振国宫鹏王杰; supported by the National Science and Technology Support Program(2012BAJ24B01);the National Natural Science Foundation of China(41201445;41271423);the National High Technology Research and Development Program of China(2009AA122003); A database of global wetland validation samples （GWVS） is the foundation for wetland mapping on a global scale. In this work, a database of GWVS was created based on 25 “wetland-related” keyw ord searches of a tot...; 关键词：GWVS Remote sensing Wetlandmapping Wetland monitoring - Protected area

Closure temperature of(U-Th)/He system in apatite obtained from natural drillhole samples in the Tarim basin and its geological significance被引量：9: 《Chinese Science Bulletin》2012年第26期3482-3490,共9页CHANG Jian QIU NanSheng; supported by the National Natural Science Foundation of China(41125010 and 41072103);the National Basic Research Program of China(2011CB201101); The apatite(U-Th)/He thermochronometry has been used to study the tectono-thermal evolution of mountains and sedimentary basins for over ten years.The closure temperature of helium is important for the apatite(U-Th)/H...; 关键词：塔里木盆地封闭温度磷灰石地质意义钻孔热模拟实验样本自然

Experimental studies on the effects of porosity on acoustic resonance spectroscopy for synthetic porous rock samples in a cylindrical resonant cavity被引量：2: 《Chinese Science Bulletin》2008年第7期978-983,共6页CONG JianSheng WANG XiuMing XU DeLong CHEN DeHua CHE ChengXua; the National Natural Science Foundation of China (Grant Nos. 40774099 and 49974024);the National Science Foundation of Heilongjiang Province, China (Grant No. A2004-3); Based on our previous work on acoustic resonance spectroscopy (ARS) measurement, the ARSs in low frequency modes were measured for 10 synthetic oil-saturated rock samples with the porosities rang-ing from 22% to 30%, ...; 关键词：孔隙度声学谐振合成多渗透性岩石圆柱形空泡

Secondary structural analysis of the mRNA regions encoding the hemagglutinin cleavage site basic amino acids of the avian influenza virus H5N1 subtype samples被引量：2: 《Chinese Science Bulletin》2008年第3期377-383,共7页ZHANG SuXia WANG Xin CHEN XueFeng CAO Huai ZHANG Wen LIU CiQuan; the National Natural Science Foundation of China(Grants No.90208018,39970412and90303018);the CAS Knowledge Innovation Project Cross-Frontier Project(No.KJCX1-08); Here we report the codon bias and the mRNA secondary structural features of the hemagglutinin(HA)cleavage site basic amino acid regions of avian influenza virus H5N1 subtypes.We have developed a dynamic extended foldi...; 关键词：禽流感 H5N1病毒红血球凝聚素分裂位点 RNA 二级结构氨基酸

Detection of genetically modified ingredients in seed samples from Heilongjiang soybean field: 《Chinese Science Bulletin》2005年第10期975-979,共5页JIANGHaiyan WANGJianhua WUPeng LIYongchun WANGGuoying; A total of 210 soybean samples collected from different areas of Heilongjiang Province were analyzed by PCR to detect the presence of RR (Roundup Ready) soybean ingredient. Results showed that CaMV35S promoter was not...; 关键词：黑龙江大豆转基因技术生物技术

Concentrations of “elemental carbon” in samples from the Peking Man Site at Zhoukoudian and the possibility of their application in the development of evidence for the use of fire by humans被引量：2: 《Chinese Science Bulletin》2004年第6期612-616,共5页SHENChengde YIWeixi YANGYing SUNYanmin JINChangzhu LIUTungsheng CAIBingxi; Elemental carbon?EC) is a C-rich, O-H-S-N-depleted substance that is necessarily produced in the process of combustion. Due to the logn-term use of fire by cave-inhabiting ape-men, considerable amounts of 揺lemen-tal ...; 关键词：元素碳北京人火周口店遗址考古

Pretreated methods on loess-palaeosol samples granulometry被引量：22: 《Chinese Science Bulletin》1998年第3期237-240,共4页Huayu Lu Zhisheng An; Twenty representative samples were collected from the Chinese loess plateau and each sample was prepared in 6 different ways respectively in order to test the influences of pretreated methods on grain size measurement...; 关键词：LOESS DEPOSIT GRAIN size pretreated method.

Distribution of persistent organochlorine pesticides in samples from the Canadian Arctic被引量：1: 《Chinese Science Bulletin》1997年第17期1496-1496,共1页An, FC Yang, KW Mo, HH Fang, JY; SOME soil, moss, kelp and reindeer liver were collected at 5 sites in a wide range of the Canadi an Arctic from 58°N to 81°31′N by the First Scientific Expedition of China to Canadian Arctic during April through Ma...; 关键词：Distribution of persistent organochlorine pesticides in samples from the Canadian Arctic

Characteristic modules of quasi-hereditary algebras with three samples被引量：1: 《Chinese Science Bulletin》1997年第6期450-454,共5页ZHANG Pu and LIN Yanan1. Department of Mathematics, University of Science and Technology of China, Hefei 230026, China 2. Department of Mathematics, Xiamen University, Xiamen 361005, China; CLINE et al. have introduced the concept of quasi-hereditary algebra, which provided a; 关键词：TILTING MODULE CHARACTERISTIC MODULE quasi-hereditary algebra.

SAMPLES