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柴达木盆地第四系生物气气源岩中脂肪酮的检出及其成因探讨被引量：4
《天然气地球科学》2005年第6期804-808,共5页康晏 王万春 任军虎 张道伟 
国家重点基础研究发展规划项目(编号:2001CB209102)资助
从柴达木盆地第四系生物气气源岩一个剖面样品中检出了系列的脂肪酮-2、脂肪酮-3和脂肪酮-4,并对其进行了质谱鉴定和计算了不同碳数的脂肪酮-2在质量色谱图中的相对百分含量后发现:同一样品中脂肪酮-2、脂肪酮-3和脂肪酮-4的奇偶优势和...
关键词：柴达木盆地 第四系 生物气气源岩 脂肪酮 成因 
苔藓植物的化学元素含量及其特点被引量：34
《生态学杂志》2005年第1期58-64,共7页吴虹玥 包维楷 王安 
中国科学院知识创新工程项目 (KSCX1 0 7 0 1;KZCX3 SW 3 3 9);"西部之光"资助项目
苔藓植物是化学元素最有效的积累者 ,在指示环境质量变化方面有其独到之处。本文阐述了苔藓植物体内地球化学元素的组成、含量、来源及其特点 ,用以揭示影响苔藓植物地球化学元素的因素 ,从而为苔藓植物作为指示生物提供更可靠的理论依...
关键词：苔藓植物 化学元素含量 元素循环 特点 来源 
OBSERVATION OF SUPERNOVA REMNANT G78.2+2.1 AT 232 MHz
《Chinese Science Bulletin》1989年第12期1020-1022,共3页郑怡嘉 
Ⅰ. INTRODUCTIONThe supernova remnant (SNR) G78.2+2.1 is situated in the complicated Cygnus X region. It is rather difficult to identify this SNR, because while observing this SNR the observer’s sight line passes thr...
关键词：SUPERNOVA REMNANT EXTENDED RADIO source. 
Propagation model of high-energy solar cosmic rays in interplanetary space and Green function被引量：1
《Science China Mathematics》1998年第11期1197-1205,共9页黄永年 王志丹 王永利 
Based on main observational characteristics of solar flare particle transport in the coronal, a mathematical description of coronal transport is proposed. A model is presented for solar cosmic\|ray propagation in sola...
关键词：solar COSMIC RAY Green function CORONAL PARTICLE source. 
AlGaAs high-power short-wavelength superluminescent integrated source
《Progress in Natural Science:Materials International》1998年第5期52-56,共5页赵永生 杜国同 韩伟华 付艳萍 李雪梅 宋俊峰 姜秀英 高鼎三 G.Devane K.A.Stair R.P.H.Chang 
Project supported by the National Natural Science Foundation of China (Grant No. 6957708).
In order to solve the problem in the conventional superluminescent diode (SLD), i. e. its output power is not high enough for some applications, a monolithic superluminescent source by integrating SLD with the tapered...
关键词：superluminescent DIODE optical AMPLIFIER INTEGRATED source. 
Calculation of Ground Rotational Motions Using Seismic Array Data被引量：2
《Journal of Earth Science》2012年第2期173-179,共7页李松林 赖晓玲 孙译 苗琪 
supported by the National Natural Science Foundation of China (Nos. 90814001, 40974053, 41074069)
This article gives a description of our first study on ground rotational motion and its pre-liminary results. The ground rotational motions around vertical axis were obtained using near-field translational records of ...
关键词：ground rotational motion seismic array explosive source. 
A comprehensive review concerning the problem of marine crudes sources in Tarim Basin被引量：11
《Chinese Science Bulletin》2004年第S1期1-9,共9页Zhaoming Wang Zhongyao Xiao 
The issue of source of oil/gas in the platform basin area in Tarim Basin has been debated for a long time, and the debate is focused on whether the marine oil/gas resources that have been discovered in the basin were ...
关键词：TARIM BASIN MARINE crudes biological MARKER oil/gas SOURCE correlation oil source. 
A Study on sediment sources in a small watershed by using REE tracer method被引量：2
《Science China(Technological Sciences)》1997年第1期12-20,共9页石辉 田均良 刘普灵 周佩华 
Project partly supported by the National Natural Science Foundation of China.
In simulation experiments, rare earth element (REE) tracer method was first used to sludy the sources of sediment yield in a small watershed. The experimental results have shown that the chief parts of sediment source...
关键词：SMALL WATERSHED REE TRACING SEDIMENT source. 
Research on the Multimedia Data Mining and Classification Algorithm based on the Database Optimization Techniques
《International Journal of Technology Management》2015年第11期58-60,共3页Hu Xiu 
In this research article, we analyze the multimedia data mining and classification algorithm based on database optimization techniques. Of high performance application requirements of various kinds are springing up co...
关键词：Data Mining Classification Algorithm Database Optimization Multimedia Source. 
Delineation of Potential Seismic Source Regions of Moderately Strong Earthquakes Without Seismogenic Tectonics
《Earthquake Research in China》1998年第2期78-84,共7页Hu Yinlei and Zhang YumingDepartment of Civil and Structural Engineering, The University of Hong Kong, Hong Kong Institute of Geology, State Seismological Bureau, Beijing, 100029, China 
In this paper,approaches are developed to delineate the potential seismic source regions of moderately strong earthquakes that do not have clear seismotectonic settings.Based on comprehensive analysis of regional tect...
关键词：Moderately strong EARTHQUAKES WITHOUT SEISMOGENIC TECTONICS Potential seismic source. 
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