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作品数：1877被引量：2864H指数：19
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SEM-backscattered Electron Imaging and Image Processing for Evaluation of Unhydrated Cement Volume Fraction in Slag Blended Portland Cement Pastes被引量：9
《Journal of Wuhan University of Technology(Materials Science)》2013年第5期968-972,共5页丰曙霞 王培铭 LIU Xianping 
Funded by the Major State Basic Research Development Program of China(973 Program)(No.2009CB623104)
Proper parameters for image taking and minimum field number for image processing were investigated to evaluate volume fraction of unhydrated cement（UHC） in both neat cement paste and slag blended cement paste. Our r...
关键词：accelerating voltage MAGNIFICATION grey level histogram statistical analysis total imaging area 
Contribution of Root Respiration to Total Soil Respiration in a Cotton Field of Northwest China被引量：5
《Pedosphere》2013年第2期223-228,共6页ZHAO Zhi-Min ZHAO Cheng-Yi Y.YILIHAMU LI Ju-Yan LI Jun 
Supported by the National Natural Science Foundation of China(Nos.31000208 and 40830640);the National Basic Research Program(973 Program) of China(No.2009CB421302)
To measure the contribution of root respiration (Rr) to total soil respiration (Rt) in arid cotton fields, eighteen plots, nine for girdling and nine control, were built in an arid cotton field in the Aksu National Ex...
关键词：abiotic factor DECOMPOSITION GIRDLING phenological phase temperature response value 
Progress on the total synthesis of natural products in China:From 2006 to 2010被引量：8
《Science China Chemistry》2012年第7期1175-1212,共38页CHEN Jie WANG AiE HUO HaoHua HUANG PeiQiang 
the National Natural Science Foundation of China (20832005,21072160,20902075);the National Basic Research Program (973 Program) of China (2010CB833200);the Natural Science Foundation of Fujian Province of China (2009J05037);the Specialized Research Fund for the Doctoral Program of Higher Education(20090121120007);the Scientific Research Foundation for the Returned Overseas Chinese Scholars,Ministry of Education of China for financial support
This paper summarizes the progress on the total syntheses riod from 2006 to 2010. The overview focuses on the first of natural products accomplished in rnainland China during the petotal synthesis of natural products ...
关键词：natural products total synthesis REVIEW China's Mainland 
Assessment of total suspended sediment concentrations in Poyang Lake using HJ-1A/1B CCD imagery被引量：8
《Chinese Journal of Oceanology and Limnology》2012年第2期295-304,共10页于之锋 陈晓玲 周斌 田礼乔 袁小红 冯炼 
Supported by the National Basic Research Program of China(973Program)(No.2011CB707106);the National Natural Science Foundation of China(Nos.41071261,41023001,41021061,40906092,40971193,41101415);the Opening Foundation of Institute of Remote Sensing and Earth Sciences,Hangzhou Normal University(No.PDKF2010YG06);the Fundamental Research Funds for the Central Universities,the China Postdoctoral Science Foundation(No.20100480861);LIESMARS Special Research Funding,the Natural Science Foundation of Hubei Province,China(No.2009CDB107);the Natural Science Foundation of Zhejiang Province,China(No.Y5090143)
We explored the potential of the environment and disaster monitoring and forecasting small satellite constellations (HJ-1A/1B satellites) charge-coupled device (CCD) imagery (spatial resolution of 30 m, revisit time o...
关键词：total suspended sediment HJ-1A/1B CCD atmospheric correction retrieval algorithm Poyang Lake 
An improved method for evaluating the seasonal variability of total suspended sediment flux field in the Yellow and East China Seas被引量：7
《International Journal of Sediment Research》2011年第1期1-14,共14页PANG Chongguang YU Wei YANG Yang HAN Danxiu 
supported by the Knowledge Innovation Program of Chinese Academy of Sciences(Grant No.KZCX2-YW-JS205);the National Basic Research Program of China(973 Program,Grant No. 2007CB411802);the National Natural Science Foundation of China(Grant No.40406025)
The suspended sediment flux field in the Yellow and East China Seas （YECS） displays its seasonal variability. A new method is introduced in this paper to obtain the flux field via retrieval of ocean color remote sen...
关键词：Suspended sediment flux field Seasonal variability Yellow and East China Seas Regression equation Numerical simulation 
Growth Dynamics and Optimal Harvesting Stage of Two Forage Maize Varieties
《Agricultural Sciences in China》2011年第2期220-227,共8页FU Feng-ling GUO Chang-jun TANG Qi-ling LIU Jian LI Wan-chen 
the National Projects of Development Plan of the State Key Fundamental Research of China (973 Program,2009CB118400)
SAUMZ 1 and SAUMZ 2 are two forage maize varieties reproduced by distant hybridization.In a randomized block experiment,their fresh forage yield and dry matter yield were investigated on the basis of growth period,lea...
关键词：forage maize growth dynamics leaf stage optimal harvest stage total digestible energy 
Root Physiological and Morphological Characteristics of Two Rice Cultivars with Different Nitrogen-Use Efficiency被引量：36
《Pedosphere》2010年第4期446-455,共10页FAN Jian-Bo ZHANG Ya-Li D. TURNER DUAN Yin-Hua WANG Dong-Sheng SHEN Qi-Rong 
Supported by the National Key Basic Research Program (973 Program) of China (No.2007CB109304);the NationalNatural Science Foundation of China (Nos.30771290 and 30671234)
The variation in nitrogen （N） uptake by rice has been widely studied but differences in rice root morphology that may contribute to this variation are not completely understood. Field and greenhouse experiments were...
关键词：N accumulation root bleeding rate root dry weight root surface area total root length 
A Model for Estimating Total Forest Coverage with Ground-Based Digital Photography被引量：5
《Pedosphere》2010年第3期318-325,共8页GU Zhu-Jun ZENG Zhi-Yuan SHI Xue-Zheng LI Lin D. C. WEINDORF ZHA Yong YU Dong-Sheng LIU YongoMei 
Supported by the National Basic Research Program (973 Program) of China (No.2007CB407206);the National Natural Science Foundation of China (No.40371053)
Vegetation fractional coverage (VFC) is one of the key indicators of vegetation distribution. In the work a measurement-based model was developed to derive total forest VFC (TG) as well as the VFC of trees (T) and shr...
关键词：digital camera 2-layer photography shrub-grasses trees 
First Total Synthesis of Hyacinthacine A_6 from the Protected Derivative of Polyhydroxylated Pyrrolidine
《Chemical Research in Chinese Universities》2008年第4期469-472,共4页ZHANG Tao-xiang ZHOU Ling CAO Xiao-ping 
the National Basic Research Program(973 Program)of China(No.2007CB108903);the National Natural Science Foundation of China(No.20621091)
（1S、2R、3R、5R、7aR）-1,2-Dihydroxy-3-hydroxy methyl-5-methylpyrrolizidine（hyacinthacine A6, I） was synthesized by Wittig＇s methodology via the reaction of aldehyde 6, prepared from the partially protected deriva...
关键词：Hyacinthacine A6 PYRROLIDINES Wittig reaction CYCLIZATION 
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