In this paper, with the help of three dimension finite element numer ical simulation method, the change of 3-D stress field in the course of current valley with seven terraces is studied by the 3-D numerical model of FEM, which c an provide a basis for the stability research...
采用三维有限元数值模拟的方法对雅砻江七级河谷阶地形成过程中应力场的变化和现今河谷阶段的三维应力场进行研究，为近坝库岸稳定性研究提供依据。
In this paper, with the help of three dimension finite element numer ical simulation method, the change of 3-D stress field in the course of current valley with seven terraces is studied by the 3-D numer ical model of FEM, which c an provide a basis for the stability research of the reservoir bank.
采用三维有限元数值模拟的方法对雅砻江七级河谷阶地形成过程中应力场的变化和现今河谷阶段的三维应力场进行研究，为近坝库岸稳定性研究提供依据。
The calculated results show that such methods as increasing the diameter or decreasing the length of the copper mold, increasing the solidifying coefficient and the longitudinal temperature gradient in mold, decreasing withdrawal rate, decreasing the length of stirring chamber, or modifying the lubricating condition between copper mold and casting are beneficial to decreasing the dimension of the remained shell so as to modifying the stability of the process.
结果表明，在通常范围内增加结晶器直径或减小其长度、提高凝固系数或提高结晶器内的纵向温度梯度、减小拉坯速度、降低制浆室高度、改善结晶器润滑，都可以提高初期裂口的形成位置，减小滞留尺寸，进而有利于提高半固态连铸过程的稳定性。
Use link to look from resource, I save many areas to have rich shaly resource, develop agglomeration product aptly, and can use in great quantities fly ash, gangue, silty wait for litter, reduce natural resource to use up, reduce production specific power consumption, reduce environmental bear; to look from manufacturing link, agglomeration kind wall body material is discharged in litter of the solid in production process and liquid waste very few, from goods of heat preservation agglomeration lower than sincere goods specific power consumption; looks from use link, long, build by laying bricks or stones builds stability of agglomeration goods dimension, service life volume of constitution of convenient, wall assures easily, its are admirable capillary conduct ability to gift the product has very good breath function, its heat up function of inert, sound insulation to more apparent advantage; looks from recycle link, agglomeration goods departs easily after building life is terminative reclaim, reduce pollution 2 times.
从资源利用环节看，我省不少地区具有丰富的页岩资源，适宜发展烧结制品，且可以大量利用粉煤灰、煤矸石、淤泥等废弃物，减少天然资源消耗、降低生产能耗、减轻环境负荷；从生产环节看，烧结类墙体材料在制造过程中固体废弃物和废水排放很少，自保温烧结制品比实心制品能耗低；从使用环节看，烧结制品尺寸稳定、使用寿命长、砌筑方便、墙体质量轻易保证，其优良的毛细管传导能力赋予产品具有很好的呼吸功能，其热惰性、隔声性能更有明显的优势；从再利用环节看，烧结制品在建筑物寿命终结后易于分离回收，减少二次污染。
In this paper, one dimension homogeneous model was used to analyze globally the multiplicity, stability and operable regions of counter current reactor in which an order simple irreversible highly exothermal reaction is conducted.
本文应用一维均相模型对进行一级简单不可逆强放热反应的间壁冷却管式反应器在冷却介质逆流流动时的多态、稳定性和可操作域进行全局分析。
Lasers characteristic as a shock wave drive and the advantages of KrF laser are explained. Finally, the progress at home and abroad is enumerated. In chapter two, the basic principle of the EOS study is introduced. Specially, the impedance mismatch effect of the double-layer flyer is mentioned here. It is the primary theoretical basis of this paper. In chapter three, a one-dimension, three-temperature hydrodynamic code HYADES is introduced briefly. it is used to make a qualitative analysis about how the thickness of ablator affect the flyer velocities and stability. In chapter four, the experimental setup is described.
第一章为绪论部分，简要总结了状态方程研究的历史，激光作为冲击波驱动源的特点和KrF激光的优势，以及国内外的进展情况；第二章是本工作的理论基础，讨论了冲击波物理和雨贡纽曲线测量的基本原理和方法，重点介绍了激光飞片法的特点、关键要素和双层飞片的阻抗失配效应，鉴于KrF激光短波长和长脉宽的特点，我们拟对双层飞片的特性展丌研究工作，为实测状态方程做好准备；第三章简单介绍了一维三温流体力学数值模拟程序Hyades并运用它进行了若干状态方程实验的计算和设计，进行了烧蚀层厚度对飞片速度、稳定性的影响的定性分析；第四章是实验平台描述部分，介绍了光束平滑化技术，靶的制作，条纹相机的原理和使用，系统同步控制以及光学记录速度干涉仪系统的简单原理和构成。
Laser's characteristic as a shock wave drive and the advantages of KrF laser are explained. Finally, the progress at home and abroad is enumerated. In chapter two, the basic principle of the EOS study is introduced. Specially, the impedance mismatch effect of the double-layer flyer is mentioned here. It is the primary theoretical basis of this paper. In chapter three, a one-dimension, three-temperature hydrodynamic code HYADES is introduced briefly. it is used to make a qualitative analysis about how the thickness of ablator affect the flyer velocities and stability. In chapter four, the experimental setup is described.
第一章为绪论部分，简要总结了状态方程研究的历史，激光作为冲击波驱动源的特点和KrF激光的优势，以及国内外的进展情况；第二章是本工作的理论基础，讨论了冲击波物理和雨贡纽曲线测量的基本原理和方法，重点介绍了激光飞片法的特点、关键要素和双层飞片的阻抗失配效应，鉴于KrF激光短波长和长脉宽的特点，我们拟对双层飞片的特性展丌研究工作，为实测状态方程做好准备；第三章简单介绍了一维三温流体力学数值模拟程序Hyades并运用它进行了若干状态方程实验的计算和设计，进行了烧蚀层厚度对飞片速度、稳定性的影响的定性分析；第四章是实验平台描述部分，介绍了光束平滑化技术，靶的制作，条纹相机的原理和使用，系统同步控制以及光学记录速度干涉仪系统的简单原理和构成。
We find some factors, such as conditional stability of a variable, the reconstructed dimension, and the delay time, could effect topologicalproperties of reconstruction.
研究了各种因素，如变量的条件稳定性、重构维数、及延迟时间，对重构拓扑的影响。
Based on this concept, the method of dynamic multi-dimension order control in Taylor series expansion technique for transient stability analysis is presented.
在计算暂态稳定轨迹的过程中，根据各个状态变量的不同动态特性和计算精度约束，对时间常数不同的环节采用不同的阶数。
Based on the calibration mechanism, the stability of the fractal dimension is analyzed.
基于该标定机理，分析了分形维数的稳定性问题。
The dimension of pillar is the important aspect in room and pillar mining. It is very necessary to study on the pillar stability and to ascertain the rational pillar dimension, the coal is not wasted and it can support roof effectively, and it can ensure safety product.
煤柱尺寸大小是房柱式开采中的重要内容，开展煤柱稳定性方面的研究，确定合理的煤柱尺寸，既不浪费煤炭资源，又能有效的支撑顶板，保证安全生产。
The system's damping rates are higher as the disk rotation speed is lower.(2) The resonance coefficient is small in cases of thinner gas film and slower disk rotation speed. The higher damping rate and better stability can be achieved by combining the slider with smaller dimension and bigger damping suspension.
研究表明：(1)耦合系统在厚气膜下固有频率小，衰减率大；固有频率与磁盘转速关系不大；具有低磁盘转速的系统的衰减率比较大；(2)共振系数在小盘速和薄气膜下较小；小尺寸磁头与大阻尼悬臂组合可获得较大的衰减率。
The modeling methods about vestibule diaphragm, coupler and draft gear are introduced, too. Among the six Models, Model A and Model B can be used to study the vehicle stability and curve negotiation under different track situations. Model C and Model D can be used to carry out the stability, dynamic curving behavior and ride comfort of the high-speed passenger car. Model E and Model F are three-dimension train dynamic models which consist of three cars (head car, intermediate car and tail car).
所建立的6种动力学模型中，模型A和模型B可用于研究不同轨道条件下车辆的运动稳定性及动态曲线通过性能；模型C和模型D可以用来研究车辆的运动稳定性、动态曲线通过性能及运行平稳性；模型E和模型F是列车系统动力学分析模型，都是由三节车组成的列车单元，三车列车模型作为一个最小的列车单元，包含了头车、中间车和尾车，已能够反映整个列车的动力学特性。
In ddition, on the basis of the above research, the author has finished the program of two-dimension elastic-plastic nonlinear analyses (equal-parament eight-node element) with intercalation by using Fortran 77. The program with higher precision and strict stability through examinations is suitable to various boundary conditions.
在上述研究基础上，利用FORTRAN 77语言编写了二维带夹层单元弹塑性非线性等参八结点分析程序，考虑了各种任意边界条件情况，能适应各种曲边边界，其具有精度高，稳定性好的特点。
Precise Dimension Measurement Techniques Based on Machine Vision; 2. It improves measurement precision and system stability by applying precise temperature tran.
目前多数水文站用置换法进行泥沙水样处理，为了提高水温的测量精度和泥沙处理的工作效率，必须使用数字式精密电子水温表来淘汰机械式水温表。
First of all, I reference tower crane and base tread framework`s parameter, then make sure model number of fluid cylinder, secondly, I make sure all dimension of tread part and chose parts, lastly, I finish to cheak all dimension and intensity, include stability of fluid cylinder`s rod、axes、shafting bearing、buld、rail、wheel、welded.
我首先参考塔式起重机，根据行走机构的主要参数，确定液压缸的型号，然后确定整个桩机行走部分的所有尺寸并完成部件的选定，最后对尺寸、部件强度进行计算校核，包括液压缸活塞杆的稳定性、轴、轴承、球头、轨道、车轮、螺栓、销轴、焊缝的计算校核。
And the manufacture technology of special shaped stiffened thin wall shell is investigated systemically in practice and theory. According to the special shape and operate requirements of the torpedo, the structure and moulding process of the torpedo shell are established, in which the body and overlay block with grooves are moulded by fiber winding, and close moulding respectively with the adhesive by limited stop compression. In the light of the selection of raw material system, composite system with outstanding performance are defined, based on which the mechanical properties are tested., with the overall consideration of structural characters and design demands, the main factors which may have effects on the strength and stability (including stiffness section dimension, stiffeners space, skin thickness and skin lay angle) is optimized one by one for the structure design parameters on the base of the FEM model of skin, stiffness and layover block by FEM..As a result, the prototype with 1:1 proportion and its structure and lay optimization design are completed. The moulding technology for polyurethane foam moulding the stiffened shell is obtained in terms of the design, manufacture moulding, experimental mould and tooling. Furthermore, the prototype is experimented the hydrostatic test and provides the stress and strain results.
依据在研产品特殊的外型结构和使用要求，确定了该型号水雷复合材料壳体的具体结构形式和复合成型工艺路线，即由纤维缠绕工艺成型主体异形件，闭模成型带通槽外贴块，用限位加压工装实现粘接的工艺路线；通过对原材料体系的筛选，确定了综合性能较好的复合材料体系，以此为基础进行了力学性能测试；运用有限元方法，建立了蒙皮、筋条和外贴块的分析模型，综合考虑结构特点和设计要求，对影响结构强度与稳定性的主要因素(包括筋截面尺寸、筋间距、蒙皮厚度、蒙皮铺层角度)分别进行了结构设计参数的优选，最终完成了复合材料异形耐外压壳体1：1样件和缩比实验件结构及铺层优化设计；完成了聚氨酯泡沫胎成型内置加筋壳体的成型工艺技术研究；对缩比件进行外压性能测试，并给出了应力、应变测试结果。
In the proposed algorithm, the solutions of multi-objective function are mapped as different points in multi-dimension space and by use of Euclidean distances between these points and ideal point it is judged that which one of these solutions are superior as well as which ones are inferior; meanwhile according to the features of optimal reactive power flow, chaos optimization algorithm and immune algorithm, it is put forward that in the remember antibody group in which the IA is used to optimize the reactive power flow, the continuous variables and discrete variables are alternatively optimized and solved by means of COA as well as interlace operation and mutation operation of IA, and applying these solutions to reactive power optimization aim at reducing active power loss, improving voltage stability margin and decreasing voltage deviation.
针对目前评价多目标函数解的不足，提出了将多目标函数各个解映射成多维空间中不同的点，利用这些点与理想点之间的欧氏距离来衡量各个解的优劣；同时针对无功优化、混沌优化算法和免疫算法的特点，提出了在采用免疫算法进行无功优化的记忆抗体群中，运用混沌优化方法和免疫算法的交叉和变异等操作对无功优化的连续变量和离散变量进行交替优化求解，并将它们运用于以降低有功损耗，提高电压稳定裕度及减小电压偏移为目标的无功优化中；通过
EPR studies have been made on complex I in various states (polycrystalline powder or solution) and in various solvents at room temperature and 77K, the spectral parameters, the bonding characterization and stability of the complex I were discussed, the results show that the in-plane σ-bond and in-plane π-bond in the complex play an important role. 2. Ciprofloxacin complexes Crystal structures of { C〓H〓OH (5H〓O }〓、·2H〓O、·6H〓O and ·6H〓O have been determined by X-ray diffraction method. During the synthesis of above four copper complexes, ciprofloxacin, as the first ligand, was changed interesting into another as described in the Chapter Four. The complex Ⅲ is in the two-dimension coordination polymeric form, where two carboxylate groups monodentately bind to copper atoms and the 4-oxo group is linked to copper atom, the copper ion displays a distorted square-pyramidal coordination and its coordination number is five. The complexes, Ⅴ and Ⅵ, are five coordinated dinuclear complexes, the pip anion became the third ligand.
针对以上问题，我们做了以下几方面的工作：第一，以氟哌酸、氧氟沙星和环丙沙星为配体，选择具有重要生物功能的过渡金属离子和具有抗肿瘤活性的稀土离子，合成了45个配合物，通过元素分析、傅立叶红外光谱、电子顺磁共振波谱等方法对配合物的组成和结构性质进行了讨论；解析了离子型化合物〓的晶体结构，对配合物分子间的氢键作用进行了讨论，并讨论了配合物的反应条件；第二，分别以氟哌酸和环丙沙星为第一配体，引入N-N配体，合成了6个Cu配合物，其中：1氟哌酸金属配合物：解析了配合物〓，·2H〓O的晶体结构，对前者的氢键作用（包括C-H。。。。O弱氢键作用）、芳环堆积作用、配合物的红外光谱、配合物在固态和溶液状态下室温和低温冷冻EPR波谱进行了讨论，对后者的结构、堆积作用和谱学性质也作了讨论。
Applying plane strain and three dimension models, considered disadvantaged factors in process of construction, the deformation and stability of the mid-board of double-arch tunnel were analyzed by numerical method.
应用线弹性平面应变和空间模型，考虑了施工中可能出现的各种不利因素，对双连拱隧道三导洞法施工时，中隔墙的变形和稳定性进行了详细的数值模拟分析。