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[期刊论文] 作者:Ola A. Jarab’ah, 来源:现代物理(英文) 年份:2018
In this paper the fractional Euler Lagrange equations for irregular Lagrangian with holonomic constraints have been presented. The equations of motion are obtai...
[期刊论文] 作者:A. Lapin,E. Laitinen, 来源:应用数学与应用物理(英文) 年份:2018
We consider a linear-quadratical optimal control problem of a system governed by parabolic equation with distributed in right-hand side control and control and...
[期刊论文] 作者:Ali,A. Nadjai, 来源:土木工程期刊(英文) 年份:2018
This paper presents the findings of an experimental research to investigate the performance of axially restrained elliptical hollow (EHS) steel columns subjecte...
[期刊论文] 作者:Ali Hassan A. Ali, 来源:法医学与解剖学研究(英文) 年份:2018
Background: Green tea intake is accompanied with a lower incidence of cardiovascular disease, cancer and neurodegenerative disorders;hence green tea extract has...
[期刊论文] 作者:Ernest A. Korankye,Rajasekaran, 来源:美国植物学期刊(英文) 年份:2018
This study investigated the influence of both shaking duration and number of trees per bale on postharvest needle characteristics such as percentage needle loss...
[期刊论文] 作者:Jose A. Gutierrez Bravo, 来源:电力能源(英文) 年份:2018
CO2 concentration to the atmosphere has risen faster than ever in the last century. This is highly due to fossil fuel combustion which is the major anthropogeni...
[期刊论文] 作者:S.MahmoudZadeh,D.M.W Powers,A., 来源:船舶与海洋工程学报:英文版 年份:2018
Robust and efficient AUV path planning is a key element for persistence AUV maneuvering in variable underwater environments.To develop such a path planning syst...
[期刊论文] 作者:A. BANAFSHI,F. FERESHTEH-SANIE, 来源:中国有色金属学报:英文版 年份:2018
剪切冲孔试验(SPT)适用于表征各种材料的剪切性能,尤其是受到体积限制的材料。本文研究AZ80镁合金的屈服和极限剪切强度与各种参数(间隙、模具直径和样品厚度)之间的关系。此...
[期刊论文] 作者:Yekaterina A. Koshkareva,Willi, 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:S.MahmoudZadeh,D.M.W Powers,A., 来源:城市道桥与防洪 年份:2018
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...
[学位论文] 作者:Naif A. N. Alsharabi, 来源:湖南大学 年份:2018
[期刊论文] 作者:BrantJason A.,LeahyKevin,MirzaNatasha, 来源:世界耳鼻咽喉头颈外科杂志英文版 年份:2018
[期刊论文] 作者:TylerMatthew A.,LuongAmber U., 来源:世界耳鼻咽喉头颈外科杂志英文版 年份:2018
[期刊论文] 作者:A. Razak,S. R. Azzuhri,A. A. Jasim,K. Thambiratnam,M. F. Ismail,and M. A. Ismail, 来源:Chinese Optics Letters 年份:2018
An elliptical initial polarization state is essential for generating mode-locked pulses using the nonlinear polarization rotation technique. In this work, the relationship between the ellipticity ranges capable of maintaining mode-locked op......
[期刊论文] 作者:A. Shelkovenko,S. A. Pikuz,I. N. Tilikin,M. D. Mitchell,S. N. Bland,D. A. Hammer, 来源:Matter and Radiation at Extremes 年份:2018
A review of X-pinches of various configurations and of different materials as an X-ray source for various applications is presented. The advantages and disadvantages of different designs of X-pinches as a load for generators with a wide ran......
[期刊论文] 作者:Mason,Benjamin A., Hajovsky,Da, 来源:基础教育参考 年份:2018
在从小学到大学十几年的学习生涯中,我们多多少少会发出过以下感叹:教师们怎么都喜欢学习好的学生?学习好的学生好像都和教师关系挺好的?究竟师生关系影响学生学业表现,...
[期刊论文] 作者:A.冯肯斯坦, 毛竹,, 来源:世界哲学 年份:2018
笛卡尔宣称上帝创造了永恒真理,并因此可以使诸如"2+1=3"这样的永恒真理失效。本文认为,笛卡尔的永恒真理学说是一种"直观知识",这种"直观知识"从"存在判断"中悬隔了出来。但...
[期刊论文] 作者:Nagarathnamma,A. Pavithra,C, 来源:电磁分析与应用期刊(英文) 年份:2018
Penetrative Bénard-Maranagoni convection in micropolar ferromagnetic fluid layer in the presence of a uniform vertical magnetic field has been investigated...
[期刊论文] 作者:Fernando Santiago,Miguel A. Ba, 来源:应用科学(英文) 年份:2018
Two design factors and one operation parameter of a methane fired crucible furnace are numerically explored in this work. These are the number of burners, the l...
[期刊论文] 作者:Dorozinska,Tatyana A., 来源:现代仪器(英文) 年份:2018
The main reasons for the occurrence of temperature error and perspective directions of decreasing of its value are presented by improving the device design base...
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