CROSS-SECTION

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Dynamic caustics test of blast load impact on neighboring different cross-section roadways被引量：6
《International Journal of Mining Science and Technology》2016年第5期803-808,共6页Guo Dongming Zhou Baowei Liu Kang Yang Renshu Yan Pengyang 
provided by the National Natural Science Foundation of China (Nos. 51274204 and 51134025);National Key Basic Research Program (No. 2010CB732002);The Ministry of Education Program for New Century Excellent Talents to Support Project of China (No. NCET-12-0965)
Using digital laser dynamic caustics experimental system and conducting simulation experiment researched the influence rule of blasting excavation of a new roadway on neighboring existed different cross-section roadwa...
关键词：Dynamic caustics Blast load Different cross-section roadways Precrack Dynamic stress intensity factor 
The adaptive significance of differences of root morphology, anatomy and physiology from three ecotypes of reed(Phragmites communis Trin.)
《Research in Cold and Arid Regions》2016年第3期196-204,共9页YuBing Liu XinRong Li ZhiShan Zhang XiaoJun Li Jin Wang 
financially supported by the State Key Development Program for Basic Research of China(973 Program,Grant No.2013CB429904);the National Natural Science Foundation of China(Grant No.91125029)
Reeds are widely distributed in drought and high salt conditions of northwestern China. Leaf epidermal micromorphology, anatomy, chloroplast ultrastructure and physio-chemical characteristics due to long-term adaptati...
关键词：Phragmites communis ECOTYPE root morphology cross-section anatomy physio-chemical parameters 
Comparison of channel geometry changes in Inner Mongolian reach of the Yellow River before and after joint operation of large upstream reservoirs被引量：5
《Journal of Geographical Sciences》2015年第8期930-942,共13页SU Teng WANG Suiji MEI Yanguo SHAO Wenwei 
National Natural Science Foundation of China, Grant No.41271027; National Basic Research Program of China （973 Program）, No.2011CB403305; fund from the Ministry of Science and Technology of China, No.2013DFA91700
The impact of reservoirs on downstream river channel change has been a scientific issue in fluvial geomorphology during the last few decades. However, it is still a difficult issue as to how to express quantitatively ...
关键词：channel cross-section shape parameters change rate RESERVOIR joint operation Yellow River 
Structural investigations of a boron carbide nanorod with pseudo-fivefold twinned cross-section
《Science China(Technological Sciences)》2011年第8期2119-2122,共4页YU ZhiYang FU Xin ZHU Jing 
supported by the National Basic Research Program of China ("973" Project) (Grant No. 2009CB623701);the National Nature Science Foundation of China (Grant No. 50831160521)
In this article, a detailed investigation of the cross-section structure of a fivefold twinned boron carbide nanorod is presented. TEM observations reveal that the nanorod possesses a remarkable pseudo-fivefold twinne...
关键词：boron carbide fivefold twinned angular misfit CHARACTERIZATION 
Balanced Cross-Section and Crustal Shortening Analysis in the Tanggula-Tuotuohe Area,Northern Tibet被引量：1
《Journal of Earth Science》2011年第1期1-10,共10页李亚林 王成善 马超 Ganqing Xu Xixi Zhao 
supported by the National Natural Science Foundation of China (No. 40672086);the Ministry of Science and Technology of China (No. 2006CB701400)
The Tanggula （唐古拉） thrust system and the Tuotuohe （沱沱河） foreland basin, which represent major Cenozoic tectonic units of the central Tibetan plateau, have been recently studied. Field investigation, analyse...
关键词：Tibetan plateau Tanggula Mountains balanced cross-section crustal shortening uplift. 
The Optimal Cross-section Design of the “Trapezoid-V” Shaped Drainage Canal of Viscous Debris Flow被引量：9
《Journal of Mountain Science》2011年第1期103-107,共5页YOU Yong 
supported by the National Science and Technology Supporting Plan (Grant No. 2009BAK56B05);Key Project of Chinese National Programs for Fundamental Research and Development (973 Program) (Grant No. 2008CB425803)
Debris flow drainage canal is one of the most widely used engineering measures to prevent and manage debris flow hazards.The shape and the sizes of the cross-section are important parameters when design debris flow dr...
关键词：Optimal cross-section design Trapezoid- V shaped Drainage canal Viscous debris flow 
Feasibility study on cross-section measurement ofΥ(1S)→μ^+μ^- by using early CMS data
《Chinese Physics C》2010年第8期1037-1044,共8页郭爽 胡震 钱思进 杨宗长 刘烈 
Supported by National Natural Science Foundation of China (10099630);Ministry of Science and Technology of China(2007CB816101)
One of the first physics results that CMS will hopefully obtain will be the analysis of heavy quarkonium productions, including the Υ cross-section measurement. Since the Υ production cross-section from p-p collisio...
关键词：LHC CMS upsilon mesons CROSS-SECTION 
Sound scattering at fluid-fluid rough surface
《Science China(Physics,Mechanics & Astronomy)》2008年第1期72-81,共10页YU GaoKun PENG LinHui 
Supported by the National Basic Research Program of China(Grant No.2005CB422307)
Extinction theorem was used to deduce the first order scattering cross-section including the double scattering effects for the fluid-fluid rough surface.If the dou- ble scattering effects are neglected in the present ...
关键词：ROUGH surface SCATTERING CROSS-SECTION EXTINCTION THEOREM double SCATTERING 
Experimental study on two-phase gas-liquid flow patterns at normal and reduced gravity conditions被引量：5
《Science China(Technological Sciences)》2001年第5期553-560,共8页赵建福 解京昌 林海 胡文瑞 
This work was supported by the National Natural Science Foundation of China (Grant No. 19789201) ;the Ministry of Science and Technology of China (Grant No. 95-Yu-34) . The authors wish to gratefully acknowledge the invaluable assistance of Profs. Y.
Experimental studies have been performed for horizontal two-phase air-water flows at nor-mal and reduced gravity conditions in a square cross-section channel. The experiments at reducedgravity are conducted on board t...
关键词：microgravity  TWO-PHASE GAS-LIQUID flow  FLOW pattern  NON-CIRCULAR cross-section. 
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