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[期刊论文] 作者:Jun-Feng Li,
来源:黑龙江科技学院学报 年份:2018
为探究吕家坨井田地质构造格局,根据钻孔勘探资料,采用分形理论和趋势面分析方法,研究了井田7...
[期刊论文] 作者:He-Xi Baoyin,Jun-Feng Li,
来源:力学学报:英文版 年份:2014
Asteroid exploration is currently one of the most concerned topics among international space agencies.Orbital dynamics and navigation are obviously crucial for...
[期刊论文] 作者:Zheng-Xue Li Jun-Feng Li He-Xi,
来源:力学学报:英文版 年份:2012
敏感的二种类型为静态地稳定的 sailcrafts 被建议。一种类型是关于质量的中心的位置的 solar-radiation-pressure 力量的敏感,并且另外的类型是关于态度的 solar-radiation-p...
[期刊论文] 作者:Xiu-Hong Wang,Jun-Feng Li,Xin-,
来源:天文和天体物理学研究:英文版 年份:2016
Orbital correlation of space objects is one of the most important elements in space object identification. Using the orbital elements, we provide correlation cr...
[期刊论文] 作者:Sheng-Ping Gong Jun-Feng Li Xi,
来源:天文和天体物理学研究:英文版 年份:2011
Near Earth Asteroids have a possibility of impacting the Earth and always represent a threat. This paper proposes a way of changing the orbit of the asteroid to...
[期刊论文] 作者:GUO Jun-feng,LI Yan-jun,ZHANG,
来源:兵工学报(英文版) 年份:2004
Adaptive signal decomposition is an important signal processing method. The chirp-based signal representation, for example, the Gaussian chirplet decomposition,...
[期刊论文] 作者:Sheng-Ping Gong,Jun-Feng Li,Xi,
来源:天文和天体物理学研究 年份:2004
Near Earth Asteroids have a possibility of impacting the Earth and always represent a threat.This paper proposes a way of changing the orbit of the asteroid to...
[期刊论文] 作者:Sheng-ping GONG,Jun-feng LI,He,
来源:应用数学和力学(英文版) 年份:2004
Solar radiation pressure is used to control the formation flying around the L2 libration point in the Sun-Earth system. Formation flying control around a halo o...
[期刊论文] 作者:GAO Jun-Feng,LI Chang-feng,ZHA,
来源:中国地理科学 年份:2004
This paper discusses the methods and process of Geographic Information System (GIS) applied in soil spatial analysis, involving the collection of soil spatial d...
Syntheses, Crystal Structures and Antibacterial Activities of Cobalt(Ⅱ) and Manganese(Ⅱ) Complexes w
[期刊论文] 作者:LIU Chao,NIU Jun-Feng,LI Yang,,
来源:结构化学 年份:2016
Two new mononuclear complexes, namely [Co(L)_2](1) and [Mn(L)_2](2)(HL = N-(3-methylsalicylidene)tryptamine), have been synthesized by the reactions of the liga...
[期刊论文] 作者:GUO Jun-feng LI Yan-jun YU Rui,
来源:光电子快报:英文版 年份:2008
在这份报纸,一个新最佳的时间频率原子搜索方法基于一个修改蚂蚁殖民地算法被建议改进传统的方法的精确。首先,有限长度时间频率原子的 discretization 公式最后被推断。第二;在......
[期刊论文] 作者:JIANG Min ZHANG Jun-feng LI Ho,
来源:材料与冶金学报 年份:2010
...
Experimental and clinical research of HIV-1 resistance in three AIDS patients who had experienced mu
[期刊论文] 作者:LU Jun-feng,LI Jue,LI Han-ping,
来源:中华医学杂志(英文版) 年份:2004
Highly active antiretroviral therapy (HAART) for HIV/AIDS has efficiently controlled the progression of the disease, extended life expectancy and decreased HIV/...
Experimental and clinical research of HIV-1 resistance in three AIDS patients who had experienced mu
[期刊论文] 作者:LU Jun-feng,LI Jue,LI Han-ping,
来源:中华医学杂志(英文版) 年份:2009
Highly active antiretroviral therapy (HAART) for HIV/AIDS has efficiently controlled the progression of the disease, extended life expectancy and decreased HIV...
[期刊论文] 作者:Chao Liu,Sheng-Ping Gong,Jun-Feng Li,
来源:天文和天体物理学研究 年份:2020
We consider the coplanar planetary four-body problem,where three planets orbit a large star without the cross of their orbits.The system is stable if there is n...
[期刊论文] 作者:Xing-Shan Cai,Yang Chen,Jun-Feng Li,,
来源:Acta Mechanica Sinica 年份:2014
The low-thrust trajectory optimization with complicated constraints must be considered in practical engineering. In most literature, this problem is simplified...
,Inositol and Phosphatidylinositol Mediated Glucose Derepression, Gene Expression and Invertase Secr
[期刊论文] 作者:Zhen-Ming CHI,Jun-Feng LI,Xiang-Hong WANG,Shu-Min YAO,
来源:生物化学与生物物理学报(英文版) 年份:2004
Glucose repression occurs in many yeast species and some filamentous fungi, and it represses the expression and secretion of many intracellular and extracellula...
[期刊论文] 作者:GUO Jun-feng,LI Yan-jun,YU Rui-xing,ZHANG Ke,
来源:城市道桥与防洪 年份:2008
该文从挂篮荷载计算、施工流程、支座及临时固结施工、挂篮安装及试验、合拢段施工、模板制作安装、钢筋安装、混凝土的浇筑及养生、测量监控等方面人手,介绍了S226海滨大桥...
[期刊论文] 作者:Jing He,Sheng-Ping Gong,Fang-Hua Jiang,Jun-Feng Li,,
来源:Acta Mechanica Sinica 年份:2014
The advantage of solar sails in deep space exploration is that no fuel consumption is required. The heliocentric distance is one factor influencing the solar ra...
Syntheses, Crystal Structures and Antibacterial Activities of Cobalt(Ⅱ) and Manganese(Ⅱ) Complexes w
[期刊论文] 作者:LIU Chao,NIU Jun-Feng,LI Yang,XU Ji-Gui,LIU Xin-Hua,
来源:黑龙江科技信息 年份:2016
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