搜索筛选:
搜索耗时1.4774秒,为你在为你在102,285,761篇论文里面共找到 638 篇相符的论文内容
发布年度:
[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...
Iterative Solution of Mesh Constrained Optimal Control Problems with Two-Level Mesh Approximations o
[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...
Hepatoprotective Effect of Green Tea Extract against Cyclophosphamide Induced Liver Injury in Albino
[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...
Mechanical Shaking and Baling of Balsam Fir Trees Influence Postharvest Needle Senescence and Abscis
[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...
Efficient AUV Path Planning in Time-Variant Underwater Environment Using Differential Evolution Algo
[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
...
Diagnostic utility of flexible fiberoptic nasopharyngolaryngoscopy recorded onto a smartphone: A pil
[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
...
Investigation of ellipticity and pump power in a passively mode-locked fiber laser using the nonline
[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...
Influence of Temperature on the Measuring Accuracy of Devices Based on Surface Plasmon Resonance Phe
[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...
相关搜索: