Finally , microstructures of su - 8 photoresist with difference thickness are manufactured according to previous experimental results . the sem pictures show that the graphics feature good qualities and vertical sidewalls , the thickness of su - 8 photoresist is up to 250 microns and the aspect ratio can reach 10 最后依据前面得到的实验规律,制作了几种不同厚度的su - 8胶微结构, sem照片显示图形质量较好,侧壁垂直,图形最大高度可达250微米,深宽比可达10 。
Meanwhile , how the soft interlayer of different place or different thickness affects the load transfer laws and the deforming characteristics of composite foundation are studied , to get the academic basis of the opinion that the hard surface layer should be protect to be utilized and the bearing layer should be good soil 同时，分析软弱夹层在不同位置以及不同厚度对复合地基荷载传递规律和变形特性的影响，得出保护硬壳层和桩端选择较好持力层的理论依据。
3 . by using the shack - hartmann wavefront sensor , the thermal distortion of the substrate , the single - layer dielectric thin films with different thickness , and the multilayer dielectric thin films with different multilayer thin films ( ybf3 / znse ) irradiated by co2 laser were studied experimentally . 4 3 .利用夏克一哈特曼波前传感器，对基底样品以及不同厚度的介质单层膜样品和不同膜系的ybf3 / znse介质多层膜样品在c02激光辐照下的热畸变进行了实验研究。
It was discovered through the experiment that , the structure and deposition rate of aln thin films varied with the varieties of substrate temperature , sputtering power , distance between target and substrate . xps spectra of aln thin film showed that al atoms and n atoms in the sample were schomichemetry . it was concluded through the afm spectra of aln thin films that surface morphology and roughness were widely varied with different thickness of the films 通过对aln薄膜的研究发现，衬底温度、溅射功率、靶基距对aln薄膜的择优取向性和沉积速率的影响很大； aln薄膜样品的xps分析表明，薄膜中al和n基本上为理想配比；而且从aln薄膜样品的afm图中可以看出，不同厚度的薄膜的表面形貌和粗糙度有很大不同。
In order to simulate the electro - optical performance of a liquid crystal cell an iterative finite - difference method is proposed in the present thesis to calculate the distribution of lc directors under an applied voltage . this new method is very stable and simple , and can give accurate results quickly as compared with the existing methods . when the parameters of a lc cell are unknown , a new model with three characteristic parameters is introduced to predict the electro - optical performance of the lc cell 本论文在液晶光器件的模拟计算方面，提出了液晶指向矢空间分布求解的新型算法，与已有算法相比较，具有简单稳定、精度高和通用性强的优浙江大学博士学位论文点;对于液晶材料参数未知的情况，提出了用于预测液晶盒电光特性的新型近似模型，分析了己有模型的参数确定问题，新模型提高了在预测不同厚度下液晶盒电光特性的精度;提出了液晶光波传输2x2扩展琼斯矩阵的简便形式。
This paper describes some experimental investigations of propagation properties of sound in various types and thickness of grain samples using the method of standing wave tube for the first time , extends the sound propagation theory in porous media and develops the sound propagation model in grain , analyzes and identifies the cree ping sound signals of five species of pests 为了深入研究和有效监测粮堆内部深层害虫发出声信号的传播特性，本文首次采用驻波管法，对声信号在不同种类、不同厚度粮食中传播特性进行了检测和分析，并且进一步推广、发展了多孔介质中声传播理论，建立了粮食中声波传播模型。
This demonstrates the feasibility of using grazing emission x - ray fluorescence spectroscopy as a method of studying the thin layer ' s characteristics , such as composition and thickiness etc . with the intimately combining of theoretical , set - up and experimental research , the study on the analysis techniques of grazing emission x - ray fluorescence is developed , and the first set of grazing emission x - ray fluorescence setup is established . at the same time , the angular dependence of the fluorescence intensity with different thickness layer is measured . all the work in this thesis provides the basis for the further researches 本论文采用理论、装置和实验研究密切结合的方式，开展了掠射x射线荧光分析技术研究工作，在国内建立了首台掠出射x射线荧光光谱分析装置，并对不同厚度单层和双层薄膜样品在掠出射条件下产生的荧光光强与掠射角的对应博士学位论文:掠射x射线荧光分析技术研究关系进行了实验测定。
It is important to analyze the stresses and reinforcement design of spherical shell with transnormal nozzle because it is widely used in petroleum > chemicak nuclear electric and other industries . first of all , in order to explore and master the characteristic of stress distribution on this structure and to find reinforcement design which can accommodate to different instances , the stresses of a series of models with different t / t and r / r were analyzed by the finite element procedure - ansys 首先，为了更进一步了解和掌握球壳超标开孔平齐接管结构的应力分布特点，并找到适用于不同情况下的补强设计方法，本文利用ansys有限元分析计算程序对不同开孔率和不同厚度比的一系列球壳超标开孔平齐接管结构进行了应力分析，得到了应力分布曲线和应力集中系数曲线。
