国家自然科学基金(10775150)

作品数:9被引量:19H指数:3
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相关作者:赵屹东郑雷崔明启赵佳周克瑾更多>>
相关机构:中国科学院北京工商大学中国农业科学院农业资源与农业区划研究所更多>>
相关期刊:《核技术》《物理学报》《Chinese Physics C》《Journal of Environmental Sciences》更多>>
相关主题:XANESSULFURURNCAMPHORBIOACCUMULATION更多>>
相关领域:理学机械工程环境科学与工程核科学技术更多>>
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Sulfur speciation and bioaccumulation in camphor tree leaves as atmospheric sulfur indicator analyzed by synchrotron radiation XRF and XANES被引量:9
《Journal of Environmental Sciences》2013年第3期605-612,共8页Jianrong Zeng Guilin Zhang Liangman Bao Shilei Long Mingguang Tan Yan Li Chenyan Ma Yidong Zhao 
supported by the National Natural Science Foundation of China(No.11079049,11005141,10775150);the Major Project of Knowledge Innovation Program of Chinese Academy of Sciences(No.KJCX3.SYW.N3)
Analyzing and understanding the effects of ambient pollution on plants is getting more and more attention as a topic of environmental biology.A method based on synchrotron radiation X-ray fluorescence and X-ray absorp...
关键词:synchrotron radiation X-ray fluorescence X-ray absorption near edge structure sulfur speciation sulfur bioaccumulation camphor tree leaves 
Determination of the calcium species in coal chars by Ca K-edge XANES analysis被引量:1
《Chinese Physics C》2013年第2期102-104,共3页刘利娟 刘慧君 崔明启 胡永峰 郑雷 赵屹东 马陈燕 席识博 杨栋亮 郭志英 王杰 
Supported by National Program on Key Basic Research Project (2010CB227005-03);National Natural Science Foundation of China (21076081, 10775150);the University of Saskatchewan for the financial support given to the CLS
Ca-based additives have been widely used as a sulfur adsorbent during coal pyrolysis and gasification. The Ca speciation and evolution during the pyrolysis of coal with Ca additives have attracted great attention. In ...
关键词:CHAR PYROLYSIS CALCIUM K-edge XANES 
KTP(001)晶体分光性能研究被引量:1
《物理学报》2011年第6期488-497,共10页赵佳 崔明启 赵屹东 周克瑾 郑雷 朱杰 孙立娟 陈凯 马陈燕 
国家自然科学基金(批准号:10775150);北京市属高等学校人才强教计划(批准号:PHR201007122);北京市教育委员会科技发展计划(批准号:KM200910011010)资助的课题~~
根据同步辐射光源对软X射线分光晶体的性能要求,分析了软X射线能区常用分光晶体的性能优劣,指出对于晶格常数值大的分光晶体,KTP(KTiOPO4)(011)是该能区比较理想的分光晶体.同时提出了一种利用同步辐射光源测量晶体衍射效率的实验方法,...
关键词:同步辐射 KTP(011)晶体 衍射效率 光源发散度 
Total electron yield mode for XANES measurements in the energy region of 2.1-6.0 keV
《Chinese Physics C》2011年第2期199-202,共4页郑雷 赵屹东 唐坤 马陈燕 韩勇 崔明启 
Supported by National Natural Science Foundation of China (10775150)
The total electron yield (TEY) mode has been developed successfully for XANES measurements at Beamline 4BTA of BSRF (Beijing Synchrotron Radiation Facility). Its performance was studied by measuring sulphur K-edge...
关键词:X-ray absorption near edge structure (XANES) spectroscopy total electron yield (TEY) fluorescence yield (FY) 4BTA 
同步辐射中能X射线近边吸收谱方法研究不同施肥制度对土壤中硫形态的影响被引量:3
《核技术》2010年第1期5-9,共5页刘利娟 崔明启 赵佳 马义兵 马陈燕 郑雷 赵屹东 
国家自然基金(10775150)资助
土壤中硫是继氮、磷、钾之后的第四位重要的营养元素,它的形态转化对农作物生长等有很大的影响。本文利用同步辐射中能X射线近边吸收谱(XANES)方法研究用于长期定位试验的不同施肥制度的潮土,利用实验谱拟合出土壤中硫的不同价态的百分...
关键词:土壤  X射线近边吸收谱 
Investigation of sulfur speciation in particles from small coal-burning boiler by XANES spectroscopy被引量:3
《Chinese Physics C》2009年第11期1001-1005,共5页包良满 林俊 刘卫 陆文忠 张桂林 李燕 马陈燕 赵屹东 何伟 胡天斗 
Supported by Major Project of Knowledge Innovation Program of Chinese Academy of Sciences (KJCX3.SYW.N3);Exploration Project of Knowledge Innovation Program of Chinese Academy of Sciences (90070301);National Natural Science Foundation of China (10775174, 10775150);BEPC National Laboratory (Vr-07113)
Sulfur K-edge X-ray absorption near-edge structure (XANES) spectroscopy was employed to study the speciation of sulfur in raw coal, ash by-product and fine particulate matter from a small coal-burning boiler. By mea...
关键词:XANES SULFUR COAL PM2.5 SPECIATION 
Transfer characterization of sulfur from coal-burning emission to plant leaves by PIXE and XANES被引量:1
《Chinese Physics C》2009年第11期1010-1015,共6页包良满 张桂林 张元勋 李燕 林俊 刘卫 曹清晨 赵屹东 马陈燕 韩勇 
Supported by Major Project of Knowledge Innovation Program of Chinese Academy of Sciences (KJCX3.SYW.N3);Ex-ploration Project of Knowledge Innovation Program of Chinese Academy of Sciences (90070301);National Natural ScienceFoundation of China (10775174, 10775150)
The impact of coal-burning emission on sulfur in camphor leaves was investigated using Proton Induced X-ray Emission (PIXE) and synchrotron radiation technique X-ray Absorption Near-Edge Structure (XANES) spectros...
关键词:SULFUR PIXE XANES atmospheric particulate patter SO2 LEAF 
北京同步辐射装置3B3光束线吸收谱测量及装置设计被引量:2
《核技术》2008年第6期405-409,共5页马陈燕 崔明启 赵屹东 周克瑾 朱杰 郑雷 赵佳 孙立娟 陈凯 
国家自然科学基金(10775150)资助
介绍了在北京同步辐射装置(BSRF)3B3中能光束线(1.2~6.0keV)进行X射线吸收谱(XAS)的简易装置,并利用透射法对低原子序数元素(S、P、Cl、Ca、Al、Mg等)进行X射线吸收谱测量,分析结果表明在3B3中能X射线能区开展吸收谱学研究工作是可行...
关键词:中等能区 光束线 X射线吸收谱(XAS) 实验装置 硫化物 
(Fe1-xNix)2P电子结构与磁学特性的X射线近边吸收谱研究被引量:1
《物理学报》2008年第6期3868-3874,共7页马陈燕 崔明启 张凌云 巫翔 周克瑾 吴自玉 陈兴 赵屹东 郑雷 
国家自然科学基金(批准号:10775150)资助的课题~~
利用X射线近边吸收谱对Fe2P,Ni2P及其掺杂物(Fe1-xNix)2P(x=0·1,0·25,0·5)中Fe,Ni,P的K边进行了研究.结合多重散射理论近边计算,讨论了金属原子不同位置格点3f,3g对近边谱特征的贡献,得出当Ni原子取代Fe原子时将优先占据Fe(3f)格点位...
关键词:X射线近边吸收谱 电子结构 多重散射理论 态密度 
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