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Bill Gates doesn’t pretend he lives in an egalitarian household. When it comes to parenting his three children, the bil......
A new model is proposed for determining the band gaps of flexural wave propagation in periodic fluid-filled micropipes w......
A new model for producing band gaps for flexural elastic wave propagation in a periodic microbeam structure is developed......
Exchange Sex, the Perfect Job, Understanding the Exchange of Sex for Money: The Concept of Partial H
<span style=\"font-family:Verdana;\">According to Freud</span><span style=\"font-family:Verdana;\">,</span><span......
通过分析目前挡土结构常用计算计算存在的不足,以墙体两侧的静止土压力为初始条件,考虑土压力与墙体变形完全耦合和应力历史对被动区......
我们学习与联合效果的隧道在夸克模型在 charmomium 光谱切开的罚款,包括 DD, DD * , D D 和 DsDs, DsDs * , D D 隧道。为隧道联合的相......
不少人看完老外的改装案例,不管是性能也好,音响也罢,都会忍不住感叹老外对改装的热忱。前段时间,德国零点推出的全新宝马专用套餐......
A narrow linewidth continuous wave Ho:YAP laser with two Fabry–Perot etalons pumped by a Tm:YLF laser is reported. The ......
Simultaneous evaluation of two branches of a multifunctional integrated optic chip with an ultra-sim
We propose an ultra-simple dual-channel configuration for simultaneously evaluating two branches of a multifunctional in......
目的 探讨夫妻心理健康与婚姻质量的关系.方法 采用婚姻主观感受量表(MPS)和症状自评量表(SCL-90)对来自全国28个省、自治区和直辖......
In order to enhance the beam transmission efficiency, intensity and stability of SFC (Sector Focusing Cyclotron), the po......
为了更好地对核电厂安全壳与主系统进行整体安全分析,选用一体化严重事故程序与系统程序RELAP5进行直接耦合.并采用了主系统压力边......
The requirement of the fast three-dimensional radiation field calculation is raised during the decommissioning of large-......
Microwave photonic phase shifter with spectral separation processing using a linear chirped fiber Br
A stable and broadband microwave photonic phase shifter based on the combined use of a linear chirped fiber Bragg gratin......
Refrigeration Performance Analysis and Its Applicability of a New Metal Hydride Couple in Auto Air-c
With COP and dynamic characteristics in refrigeration cycle as criteria,a new metal hydride couple--LaNi4.61Mn0. 26Al0. ......
Hydraulic fracturing technologies of horizontal well are important ways to develop oil-gas field with low permeability. ......
高拱坝在建设过程中,大体积混凝土经过初期冷却通水后,混凝土温度会发生不同程度的回升,区别于后期通水结束后的混凝土温度回升,早......
单一仿真分析方法不能完整反映风力机各部分的耦合关系,影响结果准确性。针对这一问题,采用联合仿真技术,利用空气动力学理论计算......
Investigation of the Hydrodynamic Performance of a Novel Semi-Submersible Platform with Multiple Sma
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......
An analysis on the evolvement processes of lake eutrophication and their characteristics of the typi
根据在长江的中间、更低的活动范围的典型的湖的水的环境上的学习,湖超营养作用是湖生态系统在堕落的一个过程,导致由于营养素的丰富......
The existence of coupling makes the parallel mechanism possess some special advantages over the serial mechanism, while ......
An analysis on the evolvement processes of lake eutrophication and their characteristics of the typi
According to the study on the aquatic environment of the typical lakes in the middle and lower reaches of Yangtze River,......
The aim of this investigation is to research the initial ignition of the underwater-launching solid rocket motor. The MI......
以耦合致裂效果定量化评估为目标,采用数值模拟的方法构建等效于煤体耦合致裂后强度的离散元模型。提出以模型整体强度为指标实现......
According to the basic idea of classical yin-yang complementarity and modem dual-com plementarity, in a simple and unifi......
Refrigeration Performance Analysis and Its Applicability of a New Metal Hydride Couple in Auto Air-c
With COP and dynamic characteristics in refrigeration cycle as criteria,a new metal hydride couple--LaNi4.61Mn0. 26Al0. ......
On the basis of the one-dimension infinite element theory, the coordinate translation and shape function of 3D point-rad......
采用有限元分析软件 ANSYS 结合疲劳与磨耗耦合模型,分析钢轨裂纹疲劳与磨损的竞争机制。10 t 轴重车轮以纯滚动方式滚过初始长度为......
选取原儿茶酸和胡椒酸两种羧酸化合物,通过酰胺键与L-酪氨酸甲酯、D-酪氨酸甲酯、章胺、多巴胺4种具有生物活性的胺类的化合物偶联......
桥面系采用梁单元模拟时,横梁的模拟正确与否对计算结果影响很大。在对横梁的力学特性分析基础上,总结了刚性材料法的不足;提出的......
力偶分为静力偶和动力偶。本文将静力偶以等值、反向、平行且相距很近的两个力等效代替,用加权残值法给出了静力偶作用下薄板弯曲的......
将力偶分解为等值、平行、反向的两个横向力,采用ESPI技术对力偶作用时薄板的挠度进行全场测量,提供一种面向力偶作用时的测试手段。......
利用KOH溶液腐蚀在(110)硅片上制作2×2 MEMS光开关,微反射镜表面光滑且垂直度较好,其质量高于用同样方法在(100)硅片上制作的......
文章介绍了某厂2号机组振动故障发生经过,分析了振动试验数据,诊断出引起汽轮发电机组振动的原因是联轴器螺栓松动。探讨了联轴器螺......
作者将Corra针对耦合的Darcy—Stokes方程而建立的一致协调的混合有限元格式推广运用到非协调CR有限元逼近,从而建立了一种稳定化非......
简述了新型的智能网络 Micro LAN的基本工作原理 ,结合应用实例介绍了 Micro LAN网络的关键器件耦合器 ,最后讨论了 Micro LAN的一......
输电塔结构的安全直接关系到国家电网的运行可靠性,而风荷栽则是威胁其安全的主要外因之一。基于此,首先以华东某500kV输电线路的典......
泵输出的周期性脉动流体的压力脉动,是引起流体谐振、激励管路振动和噪声的主要原因.为了减少振动造成的故障,人们从两方面进行研究:一......
主要分析了兰新铁路冻害机理,阐述了铁路冻害主要影响因素是土质、水分和温度.考虑温度变化对水分迁移机理的作用,通过Geostudio软件......
在文[1]的基础上,得到了耦合非线性波方程的指数吸引子的存在性....
The requirement of the fast three-dimensional radiation field calculation is raised during the decommissioning of large-......
针对战术弹道导弹的特点,提出简化反导作战耦合任务冗余耦合变量的策略。分析耦合变量的组成,根据全局灵敏度等式,推导出判断冗余耦合......
本文主要论述了中性红2GL染料的合成工艺路线,并对重氮偶合反应和络合反应条件进行了讨论。......
将力偶分解为等值、反向、平行的两个力,当荷载(集中荷载、分布荷载和力偶)位置已知时,利用影响线计算梁的内力和反力,并与截面法计算结......
基于比奥固结理论有限元分析方法,考虑深基坑土体在降排水过程中渗流场与应力场的耦合效应,提出预测深基坑工程变形的有效方法,并......
研究了硬式空中加油管的控制问题,基于对伸缩管模型的分析,得出伸缩管必须进行解耦才可有效控制的结论;基于模型存在S右半平面零点......
在传统三轴光电平台基础上,改变第三轴的坐标原点位置,消除平台的球顶盲区的同时,有效减小了平台外置部件体积,将模型及其含有非线性项......
目的探讨夫妻共同参与式健康教育对分娩方式选择的影响。方法选择在德州市妇幼保健院分娩的初产妇456例,其中接受夫妻参与式健康教......
运用一维点无限元理论推导了三维四结点点辐射无限元的坐标变换和形函数,并将其与八结点有限元耦合,计算了预应力锚索锚固段的变形.结......
通过对二酮苯装置地下溶剂20#碳钢管线穿孔、泄漏现象进行剖析,结合金相显微分析、腐蚀介质成分分析、现代物理技术分析及其结果,......