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Chinese Science Bulletin(CSB) is a multidisciplinary academic journal supervised by the Chinese Academy of Sciences and co-sponsored by the Chinese Academy of Sciences and National Natural Science Foundation of China.Its mission is to encourage communication of basic and innovative research results of high quality in the fields of natural  相似文献   

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COVER Iron is an important catalyst in synthetic organic chemistry and iron-containing catalysts possess several obvious advantages,in that they are inexpensive,readily available and of low toxicity.Consequently,iron-containing catalysts are often regarded  相似文献   

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COVER The source region of the Yellow River contributes more than one-third of total runoff for the entire basin,and is regarded as the"water tower"of the river.Discharge in  相似文献   

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COVER During the past decade, there has been an increasing demand for the control of quantum phenomena in various scientific disciplines. When physical processes are in microscopic, ultrafast or low-temperature regimes, the system needs to be explained by quantum mechanics. However, the emergence of quantum phenomena provides new opportunities in developing future information, material and nano technologies. Many control problems that have not been previously encountered  相似文献   

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COVER Geochronology is the key to understand the temporal and spacial evolution of geological bodies and their related geodynamics.With the development of the instruments and analytical technique,the single mineral in situ U-Pb dating has been a dominant trend of the U-Pb chronology development.Titanite (CaTiSiO 5) is one of the common accessory minerals in igneous,metamorphic and sedimentary rocks.It commonly has relatively high U contents (10 100 μg/g) that hold in its crystal lattice and relatively high U-Pb closure temperature of 650 700℃,making it an attractive phase as a  相似文献   

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The year 2009 is the 60th anniversary of the founding of the People’s Republic of China, and it is also the 60th founding anniversary of the Chinese Academy of Sciences (CAS). In the magnificent 60 years of development, sci-entists and technicians all over the country have achieved great successes through their hard work.  相似文献   

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Chinese Science Bulletin(CSB)is a multidisciplinary academic journal supervised by the Chinese Academy of Sciences and co-sponsored by the Chinese Academy of Sciences and National Natural Science  相似文献   

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《科学通报(英文版)》2007,52(14):F0003-F0003
Chinese Science Bulletin (CSB) is a semimonthly multidisciplinary academic journal supervised by the Chinese Academy of Sciences  相似文献   

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《科学通报(英文版)》2005,50(23):F0003-F0003
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《科学通报(英文版)》2006,51(5):F0003-F0003
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