云南高校图书馆联盟文献共享服务平台- TWO-STAGE

TWO-STAGE: 作品数：579被引量：1341H指数：14; 导出分析报告; 相关领域：电子电信更多>>; 相关作者：王晶徐宾铎薛莹任一平张崇良更多>>; 相关机构：东南大学中国医学科学院浙江海洋大学中国科学院大学更多>>; 相关期刊：更多>>; 相关基金：国家自然科学基金国家重点基础研究发展计划中国博士后科学基金国家高技术研究发展计划更多>>

Predicting the onset temperature（Tg） of GexSe1-x glass transition: a feature selection based two-stage support vector regression method被引量：13: 《Science Bulletin》2019年第16期1195-1203,共9页Yue Liu Junming Wu Guang Yang Tianlu Zhao Siqi Shi; supported by the National Key R&D Program of China (2017YFB0701500 and 2017YFB0701600);the National Natural Science Foundation of China (51602187, U1630134, 11874254 and 51622207);the Shanghai Municipal Education Commission (14ZZ099 and QD2015028); Despite the usage of both experimental and topological methods, realizing a rapid and accurate measurement of the onset temperature(Tg ) of GexSe1-xglass transition remains an open challenge. In this paper, a predicti...; 关键词：ONSET temperature of glass transition MACHINE learning Support vector MACHINE

Two-beam based two-stage EEHG-FEL for coherent hard X-ray generation被引量：3: 《Science Bulletin》2016年第9期720-727,共8页赵振堂冯超陈建辉王震; supported by the National Development and Reform Commission([2013]2347);National Natural Science Foundation of China(11475250);the Shanghai Natural Science Foundation(13ZR1464700); The ability to generate stable and coherent short wavelength radiation is a great promise of the externally seeded free-electron laser. However, the fre- quency up-conversion efficiency is limited to a small number in...; 关键词：Seeded FEL EEHG Fresh beam Coherent hard X-ray

Two-stage sequential sampling for two rare species in western Inner Mongolia of China被引量：1: 《Chinese Science Bulletin》2013年第4期507-516,共10页SHI JingJing ZHAO TianZhong LEI YuanCai; supported by State Forestry Administration (201204510 and200904003);National Natural Science Foundation of China (31170588);Social commonweal Research Progvams of Ministry of Science and Technology (2005DIB5J142); To evaluate the efficiencies of different sampling methods for a rare and clustered population, we investigated the sampling effects for the two species Tamarix chinensis (Salt cedar) and Elaeagnus angustifolia (Russi...; 关键词：顺序采样内蒙古西部物种简单随机抽样中国采样方法采样设计密度估计

13 K thermally coupled two-stage Stirling-type pulse tube refrigerator被引量：7: 《Chinese Science Bulletin》2005年第16期1814-1816,共3页TANG Ke CHEN Guobang THUMMES Gunter; This work was supported by the National Natural Science Foundation of China(Grant No.50376055);DAAD of Germany.; Stirling-type pulse tube refrigerators have at-tracted academic and commercial interest in recent years due to their more compact configuration and higher effi-ciency than those of G-M type pulse tube refrigerators. I...; 关键词：电冰箱交流换热器脉冲管制冷设备

A separate two-stage pulse tube cooler working at liquid helium temperature被引量：10: 《Chinese Science Bulletin》2005年第10期1030-1033,共4页QIULimin HEYonglin GANZhihua WANLaihong CHENGuobang; This work was supported by the Foundation for the Authors of National Excellent Doctoral Dissertation of P.R.China under contract No.200033;Fok Ying Tong Education Foundation under contract No.94013.; A novel 4 K separate two-stage pulse tube cooler (PTC) was designed and tested. The cooler consists of two separate pulse tube coolers, in which the cold end of the first stage regenerator is thermally connected with ...; 关键词：脉冲电子管冷却器液态氦温度控制

Relative efficiency of marker assisted selection when marker and QTL are incom-pletely linked被引量：11: 《Chinese Science Bulletin》2001年第24期2058-2063,共6页Liu Huiying Zhang Qin Zhang Yuan; This work was supported by the National Key Basic Research Program (Grant No. G2000016103) ; the National Natural Science Foundation of China (Grant No. 39870587).; The relative superiority in selection response of two basic marker-assisted selection strategies, marker-assisted BLUP (MBLUP) and two-stage selection, in comparison to standard BLUP was investigated using stochastic ...; 关键词：marker-assisted BLUP TWO-STAGE selection simulation.

Two-stage correlation between pH and REE concentration and pattern in rivers被引量：7: 《Chinese Science Bulletin》1999年第S2期106-107,共2页WANG Zhongliang and LIU Congqiang State Key Laboratory of Environmental Geochemistry, Institute of Geochemistry, Chinese Academy of Sciences, Guiyang 550002, China; DUE to the unique chemical coherence and slight systematic difference properties, the REEs are extensively used as tracers for origin and evolution of the earth and its geology compositions （involved naturalwaters）....; 关键词：RIVERS REE PATTERN PH TWO-STAGE correlation.

STUDY ON THE TWO-STAGE AMPLITUDE AMPLIFICATION OF ULTRASONIC VIBRATION TURNING SYSTEM WITH SYMMETRY STRUCTURE: 《Chinese Science Bulletin》1992年第5期428-431,共4页王立江赵继孟继安; Project supported by the National Natural Science Foundation of China; The main purpose of the design of ultrasonic vibration turning system is to increase the vibration amplitudc of cutting tip. The increase of cutter nose amplitude is due to the horn of the vibration system. It has bee...; 关键词：ULTRASONIC vibration TWO-STAGE AMPLITUDE AMPLIFICATION SYMMETRY STRUCTURE

PRODUCTION OF HIGHLY CONCENTRATED ^(13)C BY TWO-STAGE SELECTIVE IRMPD: 《Chinese Science Bulletin》1990年第16期1337-1341,共5页马培华荒井重义; ¹³C-labeled compounds have been widely applied in contemporary sciences, especially in life sciences as a tracer. The current method of ¹³C separation by low temperature distillation is not easy ...; 关键词：infrared MULTIPHOTON DISSOCIATION ¹³C separation selectivity.

TWO-STAGE MAGNETIZATION BEHAVIOUR IN THE HIGH T_c SUPERCONDUCTOR Y_1Ba_2Cu_3O_(7-x): 《Chinese Science Bulletin》1988年第7期560-564,共5页陈笃行 J.NOGUES N.KARPE K.V.RAO; It has been recently discovered that the sintered Y1Ba2Cu3O7-x, compound is an architypical high critical temperature （Tc） superconductor with a perovskite structure. We have measured its complex AC susceptibility a...; 关键词：SUPERCONDUCTOR perovskite susceptibility sintered BEHAVIOUR MAGNETIZATION amplifier HYSTERESIS SATURATION easing

TWO-STAGE