验证理论

The mian works are as follows:(1)By coprecipitation technique and coprecipitation- gel technique the nano zirconia powder was produced, factors affecting the properties of nano zirconia powder such as pH and the content of stabilizator are analyzed;(2)By the new pressless sintering process, the nano zirconia ceramic was produced, factors which can affecting the properties of nano zirconia sinter body such as moulding press and the sinter temperature are analyzed;(3)By the microtherm pressless sintering process, the nano copper added functional zirconia ceramic composite was produced, microscopic dimensionality and electric properties of such sinter body and the factors affecting such sinter body are analyzed;(4)By the self-invented "external albumen coating" technique the zirconia powder was successfully coated by carbon in the corresponding sinter body, which can help solve the traditional aggregation problem to some degree;(5)Based on analyze the characteristics in the nano powder sinter process, the "three-ball sinter model" was proposed, for the relationship between the relative density and porosity of sinter body, by mathematical fitting, such model was successfully verified.

本研究比较系统地研究了纳米氧化锆陶瓷的合成与成型机理，特别是讨论了纳米氧化锆陶瓷的稳定性，为防止纳米颗粒在外场作用下的团聚和长大提供了理论基础和实验数据，具体工作有以下几方面：(1)采用共沉淀法和共沉淀-凝胶法制备了纳米氧化锆粉体，并分析了pH值和稳定剂含量对粉体性能的影响；(2)采用新型无压烧结工艺制备了纳米氧化锆陶瓷，并分析了成型压力和烧结温度对烧结体性能的影响；(3)采用低温无压烧结工艺制备出添加纳米铜的功能性纳米氧化锆复合陶瓷，并分析了烧结体的微观尺度和电学性能的变化以及影响因素；(4)通过自创的&鸡蛋清外敷法&在真空镀膜台上对纳米氧化锆粉体进行包敷碳颗粒的表面处理，并采用真空烧结工艺制得相应烧结体，初步开始解决陶瓷烧结过程中团聚长大这一传统难题；(5)通过分析纳米颗粒在制备烧结体过程中的实际特点，提出了&三球烧结数学模型&，通过引入坯体相对密度和孔隙率的相对关系分析并通过自行编写的数学拟合软件，验证了这一数学模型。

In the paper, based on the analysis of velocity structure of near surface in a desert area, we study the transmittable laws of seismic waves in linear transition layers and compare simulated data with practical seismic records.

本文在沙漠地区低降速带速度结构分析的基础上，研究地震波在线性过渡体地层的传播规律，并同实际观测记录进行对比，从理论和实际上验证上述推论的正确性。

Through kinematics simulation, the rationality of structure design and planned trajectories of the transplanter were proved. The research provides a theoryetical basis for optimal design of the prototype machine.

建立了移栽机的ADAMS简化模型，通过运动学仿真验证了结构设计、轨迹规划的合理性，为物理样机的优化设计提出了理论依据。

Chapter Four answers the third research question by further examining the role of triadic interpreter as communication facilitator.

基于实证调查的结果，第四章通过引入交际学的概念，论证了三方口译的交际本质以及有效交际在三方口译中的体现，从理论上进一步验证了译员作为交际促进者的角色定位，并且阐述了译员作为交际促进者面临的更多挑战，包括要求承担更多的责任，提高处理角色冲突的能力，以及锻炼更为出色的交际能力。

In this method residual stresses were evaluated using a fracture mechanics approach,that is,the crack opening displacements measured by digital speckle correlation method at a point on the edge of a plate as a rack was introduced and extend from the edge were used to deduce the state of stresses that existed in uncracked plate.

提出一种简便的残余应力检测方法，利用数字相关技术检测裂纹扩展过程中试样表面的变形，应用断裂力学理论计算出残余应力分布。通过梁弯曲对试验结果作了验证并与应变测量结果进行了对比，残余应力的检测结果与理论值标准差为1.28MPa。对淬火和焊接残余应力分别作了检测。实际应用表明所提出检测方法具有准确、高效和使用简便的特点

It is found that there is only slight impact on the performance of unslotted FH—CDMA system if the dependence of hit sequence is not taken into account.

模拟结果验证了本文理论分析的正确性，并证实了在非时槽FH—CDMA系统中不考虚碰撞序列的相关性对结果影响不大。

This paper has mainly analysedvertical oblique flow circulating pump operation properties. Through monistic flowdesign theory, carried out preliminarily design for impeller, and completedthree-dimensional model analysis through CAD software. With the aid of CFD-FLUENTsoftware platform, have carried out value for flowing imitation in pump, the SIMPLECmethod on unstructural grid has realized pressure the couple of speed, which verified theresult of preliminary design.

本文主要分析了立式斜流循环水泵运行特性，通过一元流设计理论，对叶轮进行初步设计，并通过 CAD 软件进行立体三维模型分析，借助 CFD-FLUENT 软件平台，对水泵内流场进行了数值模拟，利用非结构网格上的 SIMPLEC 方法实现压力-速度的耦合，对初步设计进行计算结果的验证。

Through surveying on 366 knowledge workers of 30 IT enterprises, the study has proved the structure factors, influence factors, and operation mechanism of the IT industry knowledge workers\'s career management system. The result of this research is instructional and exercisable to the practice of knowledge workers\'s career management of IT enterprises, and make some idea and reference to more research in this field.About the study, the view is new, the research range is material, and the object is representative. Currently, domestic research in the content of this field is unsystematized, and nonstandard.

本研究在回顾国内外关于职业生涯管理理论与实践的基础上，深入分析IT产业特点与知识型员工及其职业生涯特点，提出了IT产业知识型员工职业生涯管理体系，并根据该体系模型设计了IT产业知识型员工职业生涯管理调查问卷，通过对30家IT企业的366名知识型员工实施问卷调查，验证了IT产业知识型员工职业生涯体系的构成因子、影响因素与作用机制，对IT企业实施知识型员工职业生涯管理实践具有一定的指导性与操作性，并为该领域的进一步深入研究提供了思路和借鉴。

The simulation demonstrates the validness of the analysis.

仿真结果验证了理论分析的有效性。

So overlap analysis procedure is accelerated. Analyses and experiments show the validness and advancement of the methods and conceptions proposed in this dissertation.

文中对所有提出算法和概念进行了理论分析和实验验证，均表明了它们的正确性和一定的先进性。

In the United States, chronic alcoholism and hepatitis C are the most common ones.

在美国，慢性酒精中毒，肝炎是最常见的。

If you have any questions, you can contact me anytime.

如果有任何问题，你可以随时联系我。