半柱

The reference domain is assumed to be a bounded open set of R~N with boundary Γ of class C~2. We investigate in this paper the null controllability for the semilinear parabolic equations in non-cylindrical domains. The fixed point method is used in the proof.

本文讨论了定义在上述非柱形区域中的半线性抛物方程零能控性，我们使用的方法主要是通过同胚映射将非柱形区域中的抛物方程转化为柱形区域中的抛物方程，再利用不动点方法得到半线性抛物方程的有关结果。

In this thesis, firstly, a semi-cylindrical capacitive sensor with interface circuit using for flow rate measurement is newly proposed.

首先，本论文最新地提出一使用在流量量测之半柱状电容感测器与其界面电路。

Measurement results have successfully confirmed the correct functions and performance of the semi-cylindrical capacitive sensor with interface circuit using for flow rate measurement on the LCD panel coating machine.

量测的结果已经成功地验证了半柱状电容感测器与其界面电路的功能与成果於液晶面板的涂胶机器的流量量测上。

Then, for the first time, a finite element model of the cylindrical shell surface was bring forward and set up.

首次提出和建立了柱体坐标系下的曲面柱壳单元有限元模型，以及在柱坐标系下的边界元法基本方程和柱坐标系下无限域与半无限域基本解。

Based on code for design of steel structures GB50017-2003 and using the three column subassemblage model,a governing equation for determining the effective length factor of columns for non-sway semi-rigid composite frames was derived considering the effects of the nonlinear moment rotation characteristics of beam-to-column connections and composite action of slab.

本文基于钢结构设计规范GB50017-2003，利用三柱子框架模型，考虑了连接的非线性弯矩-转角关系和楼板组合效应的影响，推导了无侧移半刚性连接组合框架柱的有效长度系数方程式，同时考虑了梁端和柱远端不同约束情况对有效长度系数的影响。

The results are showed as follow:1 The biological characteristics of the pathogenThe pathogen of Eucalyptus Dieback is Cylindrocladium quinqueseptatum Figueredo.

病原菌的生物学特性桉树焦枯病的病原菌是半知菌亚门丛梗孢目帚梗柱枝孢属的帚梗柱枝菌(Cylindrocladium quinqueseptatum Figueredo)。

This study first analyzes boundary condition of single column member and adopts relative joint bending stiffness ratio of AISC to find the effective length factor. For that a structural joint or connection is neither full rigid nor full hinge in practice, this study uses this concept to establish the semi-rigid joint model. This study then discusses the structural behaviors of tapered members results with those from and compares these previous studies.

本文先对於单一柱构件之边界条件进行分析，采用AISC规范求取有效长度系数之G值控制梁柱相对劲度，同时考虑一般实务上结构接合并非完全刚性或完全铰接，模拟介於两者间之半刚性接合，藉由模拟结果进一步探讨非均匀构架之结构行为，并与前人之研究相关成果比较。

The axially symmetric torsion of rigid circular shaft of varying diameter embedded in an elastic half space is studied by line-loaded integral equation method, where the problem is formulated by distributions of fictitions fundamental loads PRCHS (point ring couple in half space) along the axis of symmetry in interval of the shaft and is reduced to a one-dimensional and non-singular Fredholm integral equation of the first kind and is easily solved numerically.

弹性半空间；本文用线载荷积分方程法研究嵌在弹性半空间的刚性变直径圆轴的轴对称扭转。利用将"半空间的点环力偶"这一虚的基本载荷沿对称轴的圆轴区间中分布就能使本问题归结为一个一维的非奇异的Ferdholm第一种积分方程，且很易用数值求解。文中给出刚性圆锥，圆柱，圆锥柱嵌在弹性半空间的扭转的数值计算的例并和他人的已知结果相比较。

One flush end-plate external joint under monotonical loading and the other four joints under cyclic loading were tested. Failure modes and the effects of reinforcement ratio and concrete in column flange were synthetically considered during cyclic loading. Results of the experiments show that external flush end-plate composite joint also have quite hysteretic behaviors, better strength resistance and stiffness that are worth to promotion in seismic area.Based on experimental results and plastic analysis simplified formulas on moment resistance of semi-rigid composite joints were introduced.

本文对1个半刚性端板连接组合边节点进行了单调静力加载试验并对4个半刚性端板连接组合边节点进行了循环加载试验研究，主要探讨了节点的破坏模式以及混凝土板内纵向钢筋配筋率和柱翼缘内填充混凝土对节点性能的影响，试验结果表明端板连接组合边节点依然具有良好的滞回性能，较好的延性和耗能能力，是一种值得推广的半刚性梁-柱节点形式。

The 2, 4 mg tubes and the control tubes were not precipitated except for the 8 mg tube with 10000 r/min configuration. The 3 transparent tubes were desalted with column of Sephadex G-25 Superfine HiTrap respectively. All of the eluents of the 3 tubes were half-diluted consecutively with phosphate buffer saline respectively to change totally into 36 samples of 2 mg group, 4 mg group and control group, with 12 in each group.

取2、4 mg管及未加DNFB的HBIG水溶液对照管，各取半量对半稀释，以HiTrap分子筛柱脱盐， 3个洗脱液再分别作对半系列稀释11次， 3组共组成36个标本。

The absorption and distribution of chromium were studied in ryeusing nutrient culture technique and pot experiment.

采用不同浓度K2CrO4(0，0.4，0.8和1.2 mmol/L)的Hoagland营养液处理黑麦幼苗，测定铬在黑麦体内的亚细胞分布、铬化学形态及不同部位的积累。

By analyzing theory foundation of mathematical morphology in the digital image processing, researching morphology arithmetic of the binary Image, discussing two basic forms for the least structure element: dilation and erosion.

通过分析数学形态学在图像中的理论基础，研究二值图像的形态分析算法，探讨最小结构元素的两种基本形态：膨胀和腐蚀；分析了数学形态学复杂算法的基本原理，把数学形态学的部分并行处理理念引入到家实际应用中。