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Search Results: 1 - 10 of 96258 matches for " 朱宏洲 "
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山区高填方回填地基处理效果的现场试验评价
何兆益,
重庆交通大学学报(自然科学版) , 2002,
Abstract: :?依托重庆万州机场高填方回填地基处理工程实践,针对西南山区高填方填料特性及处理要求,对不同试验方法在山区高填方加固效果评价中的应用进行了分析,并对不同试验指标之间的相关规律进行了探讨,为选择经济、便捷的工程检测手段提供了依据
双重互易杂交边界点方法在势问题中的应用
司马玉,,苗雨
力学与实践 , 2007, DOI: 10.6052/1000-0992-2007-062
Abstract: 提出了将杂交边界点法和双重互易法结合求解势问题的一种新的算法.将势问题的解分为通解和特解两部分,通解使用杂交边界点方法求解,特解则利用局部径向基函数近似.该方法输入数据只是求解域上离散的点,不需要额外的方程来计算域内物理量,后处理十分简便.数值算例表明了该方法的稳定性和有效性.
APPLICATION OF DUAL RECIPROCITY HYBRID BOUNDARY NODE METHOD IN POTENTIAL PROBLEMS$
双重互易杂交边界点方法在势问题中的应用

SIMA Yuzhou,ZHU Hongping,MIAO Yu,
司马玉
,,苗雨

力学与实践 , 2007,
Abstract: The hybrid boundary node method (HBNM) and the dual reciprocity method (DRM) are combined for solving potential problems in this paper.As a boundary-type meshless method,the HBNM is based on a modified variational principle and moving least squares (MLS) approximation,with the advantages of both BEM and meshless methods.The solution of potential problems is expressed as the sum of a particular solution and a homogeneous solution.The homogeneous solution is solved by means of HBNM,and the particular solution is approximated by using radial base functions.Only for discretely distributed nodal points on the boundary surface of the domain input data are required and without other extra equations to compute internal parameters in the domain.The postprocessing is very simple.Numerical examples show high accuracy and high convergence rates of the presented scheme.
压裂凝析气井产能影响因素模拟分析
炬辉,胡永全,赵金,
天然气工业 , 2005,
Abstract: ?凝析油气藏与常规油气藏的重要区别在于其生产过程的相态变化特性,富含凝析油的重组分的凝析量远远大于轻组分,压裂后在裂缝周围地带也会产生凝析油的析出现象。文章应用油气相的渗流模型,结合相平衡、初始条件和定压边界条件,以简化的组分模型为基础,使用impes数值计算得到了预测凝析油气藏压裂前后生产动态的数值计算方法,并以东濮凹陷qk气田某生产井为例给出了压裂后凝析液、天然气产能变化规律。最后,结合组分、裂缝长度变化,综合分析了引起产能变化的原因。
二氧化硅纳米粒子薄膜的制备及光学性能
余海湖,,李小甫,,姜德生
物理化学学报 , 2001,
Abstract:
磁控溅射方法制备直径120mm高均匀性mo/si多层膜
潘磊,王晓强,张众,京涛,王占山,李乙,,王道荣,赵巨岩,陆伟
强激光与粒子束 , 2010,
Abstract: ?为满足极紫外、软x射线和x射线大口径多层膜反射镜的需求,采用基板扫掠过矩形靶材表面的镀膜方法,在直径120mm的平面基板上镀制了mo/si周期多层膜。通过调整基板扫掠过矩形靶材表面的速率修正了薄膜的沉积速率,极大地提高了薄膜厚度的均匀性。采用x射线衍射仪对反射镜不同位置多层膜周期厚度进行了测量,结果表明,在直径120mm范围内,mo/si多层膜周期厚度的均匀性达到了0.26%。同步辐射测量多层膜样品不同位置处的反射率,结果表明,在直径120mm范围内,多层膜的膜层厚度均匀,在入射角10°时13.75nm波长处平均反射率为66.82%。
沥青混合料高温稳定性影响因素分析
,黄晓明
公路交通科技 , 2004,
Abstract: 沥青路面车辙是多因素综合作用的结果。本文从混合料角度分析了影响沥青混合料高温抗车辙性能的因素,并通过不同因素条件下沥青混合料高温车辙试验,分别以动稳定度和总变形量作为参考序列,对影响因素进行灰关联分析。研究认为,沥青混合料空隙率和矿料475mm筛孔通过率对于混合料高温稳定性有重要影响。
一种新的沥青混合料疲劳性能评价方法
,黄晓明
公路交通科技 , 2005,
Abstract: 根据Lemaitre应变等效假设,定义沥青混合料疲劳损伤参量,并在分析沥青混合料疲劳损伤过程的基础上,定义新的疲劳破坏标准。然后通过三分点小梁弯曲疲劳试验建立基于损伤理论的沥青混合料疲劳性能评价方法。重合性检验表明,该损伤疲劳模型与荷载控制模式无关,从而可以更合理的评价混合料疲劳性能。
农业区划工作如何为商品生产服务

中国农业资源与区划 , 1984, DOI: 10.7621/cjarrp.1005-9121.19840602
Abstract: 我旗位于大兴安岭东南麓。总面积为12,063平方公里,其中耕地面积233.9万亩(其中含两个国营农场46.3万亩),占总面积的13%;有林地面积775.87万亩,占总面积的42.9%,有草地面积768.53万亩,占总面积的42.5%。地形结构大体是“四山四丘二分川。”我旗是1933年建旗,大规模开发建设在建国以后。全旗共有19个乡(镇),158个村,29万人口(含两个国营农场)。人口密度为每平方公里24人。
从南洋公学到西安交通大学 ――纪念交通大学建校120周年暨迁校60周年
From Nanyang Public School to Xi′an Jiaotong University ―To Commemorate the 120th Anniversary of Jiaotong University and the 60th anniversary of Moving to the west


- , 2016, DOI: 10.15896/j.xjtuskxb.201602001
Abstract: 1896年,南洋公学在上海创建,是中国近代高等教育的发轫,1921年,定名为交通大学;至1949年,经历清朝、北洋、国民政府三个时期,交通大学一直是“工业救国”的旗帜、革命的先锋、战斗的堡垒;中华人民共和国成立后,交通大学历经思想改造、院系调整、全面学习苏联,为建立社会主义高等教育体系作贡献;1955年,国务院决定交通大学内迁西安,交大师生在迁校问题上经受了一次重大考验,又历经“文化大革命”、改革开放等历史时期;西迁师生员工不辱使命、备尝艰辛,艰苦创业、奋力前行,扎根黄土高原一甲子,传承和创新了交通大学文化,筑成西迁精神丰碑,实现了周总理寄语交大人以“支援西北建设”的殷切期望。
Nanyang Public School was founded in Shanghai in 1896, which is the beginning of China′s modern higher education, in 1921, it was renamed Jiaotong University. It had been 53 years old since the People′s Republic of China was founded in 1949, and it has been regarded as the banner of "industrial salvation", the pioneer of revolution, and the fighting fort through the three periods of the Qing Dynasty, Reign of the Northern Warlords and the Kuomintang Government . After the founding of new China, Jiaotong University has made contributions to build socialism higher education system by, departments adjustment and comprehensive study from the Soviet Union. In 1955 the State Council, in light of the strategy of the economic development of the country, decided to move Jiaotong University to Xi′an. When reviewing the 120 years history of Jiaotong University and the 60 years history of it′s moving to the west, teachers and students of Jiaotong University have not only survived a major test on moving issue, but also gone through different historical periods such as the Cultural Revolution and the period of reform and opening.The staff and students of Xi′an Jiaotong University have been struggling to move on by hard working in spite of suffering a lot. The old generation of Jiaotong University have taken root in the loess plateau by inheritaging Jiaotong University culture and innovating it. They have built a westward monument, showing their patriotic love, their selfless dedication and their diligent work.They have implemented what premier Zhou Enlai expected them to do- to "support the construction of the northwest
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