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期刊Analysis of Spatial Data structures for Proximity Detection
《清华大学学报:自然科学版(英文版)》2008年第S1期102-107,共6页Anupreet Walia Jochen Teizer 
the USA National Science Foundation (NSF)
Construction is a dangerous business. According to statistics, in every of the past thirteen years more than 1000 workers died in the USA construction industry. In order to minimize the overall number of these inciden...显示全部
关键词:PROXIMITY DETECTION real-time RESOURCE TRACKING safety SPATIAL data structures work ZONES 
期刊掺硅粉水泥与硅质集料界面结构的初步探讨
《东北林业大学学报》1993年第2期89-93,共5页韦文 宋金恒 
通过一系列实验数据和曲线说明,掺硅粉水泥与集料的界面结构有所变化,并闸述了变化的原因。实验结果表明:掺硅粉水泥与集料胶结的粘结强度高于硅酸盐水泥与集料胶结的粘结强度;界面区的最薄弱层并不在界面表层,而是在距界面十几微米处。
关键词:水泥 界面结构 硬度 
期刊A preliminary exploration of the mechanism for the occurrence of two types of various magnetic structures in the magnetotail被引量:1
《科学通报:英文版》2001年第12期981-986,共6页JIN Shuping HU Xianpeng GUI Hailong LIU Zhenxing PU Zuyin B.Wilken 
This work was supported by the National Natural Science Foundation of China (Grant Nos. 49874035 and 49834040); and the Space Physics Fund of the First-rate University Program.
As well known, the magnetic cross-tail component By in the magnetotail is in direct proportion to the in-terplanetary magnetic field (IMF) By component. And the polarity of IMF and plasmoid / flux rope By components d...显示全部
关键词:magnetospheric SUBSTORM MAGNETIC cross-tail component By plasmoid-like structures nonsteady MAGNETIC reconnection. 
期刊植物源杀虫成分研究新进展被引量:58
《西北植物学报》2002年第3期703-713,共11页刘国强 高锦明 吴文君 
本研究评述了近年来源于植物中的具有昆虫拒食和杀虫作用的化学成分。其结构类型主要涉及及萜类、生物碱类、黄酮类。
关键词:结构类型 昆虫拒食 评述 研究进展 植物源杀虫成分 
期刊Effects of coarse riblets on air flow structures over a slender delta wing using particle image velocimetry
《中国航空学报:英文版》2019年第6期1367-1379,共13页Mahdi NILI-AHMADABADI Omid NEMATOLLAHI Kyung Chun KIM 
supported by the Brain Pool Program through the Korean Federation of Science and Technology Societies (KOFST), which is funded by the Ministry of Science, ICT and Future Planning;provided by the National Research Foundation of Korea (NRF) grant, which is funded by the Korean government (MSIT) (Nos. 2011-0030013, 2018R1A2B2007117 and NRF-2017K1A3A1A30084513)
This research investigates the aerodynamic performance and flow characteristics of a delta wing with 65° sweep angle and with coarse axial riblets,and then compares with that of a smooth-surface delta wing.Partic...显示全部
关键词:Aerodynamic performance Coarse riblet DELTA WING Flow structures Particle image VELOCIMETRY VORTEX 
期刊Crystallization evolution and relaxation behavior of high entropy bulk metallic glasses using microalloying process
《中国物理B:英文版》2021年第6期436-441,共6页李丹虹 江昌勇 栗慧 Mahander Pandey 
The role of the microalloying process in relaxation behavior and crystallization evolution of Zr_(20) Cu_(20) Ni_(20) Ti_(20) Hf_(20) high entropy bulk metallic glass(HEBMG) was investigated. We selected Al and Nb ele...显示全部
关键词:metallic glasses disordered structures amorphous materials RELAXATION 
期刊Hierarchically electrospun nanofibers and their applications:A review
《纳米材料科学:英文版》2021年第3期213-232,共20页Muhammad Badmus Jing Liu NüWang Norbert Radacsi Yong Zhao 
Electrospinning is a popular method for generating long and continuous nanofibers due to its simplicity and versatility.However,conventional electrospun products have weak strength and low availability,which restrict ...显示全部
关键词:Hierarchical structures Electrospun nanofibers Hollow fibers Core-shell fibers 
期刊Pressure induced stability: from pneumatic structures to Tensairity被引量:3
《仿生工程学报:英文版》2004年第3期141-148,共5页Rolf H. Luchsinger Mauro Pedretti Andreas Reinhard 
Structural stabilization by a pressurized fluid is very common in nature, however hardly found in technology. Car tires, hot air balloons, airships and airhouses are among the few technical exceptions, which are stabi...显示全部
关键词:PNEUMATIC structures tensairity web technology AVIATION SELF-REPAIRING MEMBRANE 
期刊Preparation and Characterization of Hg_(0.8)Cd_(0.2)Te Epilayers Grown by Hot Wall MOCVD
《稀有金属:英文版》1993年第3期175-180,共6页丁永庆 彭瑞伍 韦光宇 陈纪安 李贤春 张玉平 刘克岳 赵振香 
Hg<sub>1-x</sub>Cd<sub>x</sub>Te(CMT)epilayers with corresponding wavelength of 10.6μm(x=0.2)were reproduciblygrown on GaAs substrates in a movable hot wall MOCVD reactor.Rather high unifo...显示全部
关键词:Hot wall MOCVD HgCdTe/CdTe/GaAs structures CdTe/GaAs BUFFER layers OPTOELECTRONIC properties CMT 
期刊Decoding the plant genome: From epigenome to 3D organization
《遗传学报:英文版》2020年第8期425-434,共10页Weizhi Ouyang Zhilin Cao Dan Xiong Guoliang Li Xingwang Li 
supported by the National Natural Science Foundation of China(31771422);the National Key Research and Development Program of China(2016YFD0100904);the open funds of the National Key Laboratory of Crop Genetic Improvement(ZK201906)
The linear genome of eukaryotes is partitioned into diverse chromatin states and packaged into a threedimensional(3D)structure,which has functional implications in DNA replication,DNA repair,and transcriptional regula...显示全部
关键词:Plant genomics Epigenetic modification Chromatin three-dimensional structures Genomic methods 
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