GOL

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Estimation of wind erosion rates by using ^(137)Cs tracing technique:A case study in Tariat-Xilin Gol transect, Mongolian Plateau被引量：16
《Chinese Science Bulletin》2008年第5期751-758,共8页LIU JiYuan SHI HuaDing QI YongQing ZHUANG DaFang HU YunFeng 
Supported by the National Natural Science Foundation of China (Grant No. 40571130);the Key Project of International Cooperation, CAS (Grant No. GJHZ06);the Director Foundation of Institute of Geographic Sciences and Resources Research, CAS (Grant Nos. 06W60000SZ and 06W60001SZ);the Open Foundation of Key Laboratory of Water Cycle & Related Land Surface Processes, CAS (Grant No. WL2005001)
Wind erosion is one of the major environmental problems in semi-arid and arid regions. Here we es- tablished the Tariat-Xilin Gol transect from northwest to southeast across the Mongolian Plateau, and selected seven s...
关键词：蒙古高原 风蚀 铯同位素追踪技术 环境恶化 
Fluid inclusion and isotopic composition features of Erze gold-siderite deposit, Sichuan, China
《Chinese Science Bulletin》1999年第S2期65-67,共3页ZHENG Minghua and YANG Zhengxi Institute of Ore Geology, Chengdu University of Technology, Chengdu 610059, China 
1 Geological features of gold-siderite deposits THE Erze gold-siderite deposit is located on the southeast margin of Songpan-Ganzi fold belt. The strataoutcropped in the region consist of the Hasi group of Presinian, ...
关键词：fluid inclusion isotope Erze gold-siderite DEPOSIT Sichuan. 
THE EXCEPTIONAL SET OF GOLDBACH-NUMBERS (Ⅲ)
《Chinese Science Bulletin》1987年第20期1434-1435,共2页陈景润 刘健民 
In 1742, Goldbach stated, in a letter to Euler, that every even integer exceeding 2 can be written as a sum of two primes. Let us call those even integers which can be represented as a sum of two primes the Goldbach-n...
关键词：INTEGER stated letter arbitrarily EXCEEDING RIEMANN LEMMA Vaughan qualitative proof 
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