基本参数

The results indicate that thermal stabilities and decomposition mechanisms of the title compounds derived from the BDE, Ea and static electronic parameters are basically consistent. Homolysis of the N—NO2 bond is the initial step in the thermolysis of the title compounds, the meta-isomers are more stable than the para-isomers, and the ortho-isomers are the most sensitive.

结果表明，由BDE、Ea和静态电子结构参数推断的标题物热稳定性和热解机理的结论基本是一致的，N-NO2键均裂是标题物的热解引发步骤，间位取代异构体较对位取代异构体稳定，而邻位取代的异构体稳定性最差。

The main advantage of the technique over hot-wire anemometers, etc, are its ability to measure the velocity at highly localized points in the flow stream and to do so without disturbing the flow, this Report to review this type of measurement with emphasis on the basic theroy, the optical system and its the...

本文着重评论了这种光学方法的基本原理、光学系统、它的理论模型、和讯号检测系统；分析了系统参数对信号强度、空间分辨率和测量精度的影响；还指出了此光学方法目前的应用和将未的发展方向。

This can enhance efficiency and competition of tube hydroforming.

本论文的研究为内高压成形工艺在管类零件生产中的应用提供了有效参考和坚实的基础，并为工艺参数的优化提供了基本原则和有效的途径，能够明显提高内高压成形的工作效率和产业竞争力。

At last, the experiment of tube hydroforming was carried out in the guidance of the theory analysis. Experimental results of different load path are presented and the rule of the effect of internal pressure and axial force are studied. Based on the experiment, the basic rule of load control method is also discussed.

在分析的基础上，本文还完成了不同的轴向力和内压匹配作用下管坯内高压成形过程的实验工作，得到了不同工艺参数对零件成形的影响规律，还在实践的基础上提出控制加载的基本原则。

In Chapter2 and Chapter 3, the writer introduces the basic principles of the above-mentioned four modules, simulates and demonstrates the four function modules respectively with accordance to certain parameter, and concludes the simulation result. In the fourth chapter we discussed methods of compiling ADSP assembly files and LDF files, described an actual example detailedly. And finally in Chapter 5, the realization of signal processing system is detailed described. The writer also introduces the concerning system frame, program flowchart and the experiment result according to the general indicatrix.

文章首先在第二、三章详细叙述了各模块的基本原理，按一定的参数对各功能模块进行了方案论证及仿真，并给出了仿真结果；在第四章介绍了ADSP 芯片的集成开发环境――VisualDSP++3.0 和软件开发流程，详述了具体的汇编程序实例；最后在第五章叙述了信号处理机的具体实现，按总体指标给出了相应的实现框图、程序流程图以及试验结果。

Firstly, subtractive clustering algorithm is used to confirm the structure of fuzzy neural network. Secondly, combined fuzzy inference systems to process pattern recognition, its principle and studying algorithm are introduced in detail. Finally, the four kinds of fabric wrinkle feature parameters are imported to verify the true fabric.

首先利用减法聚类方法确定模糊神经网络的结构，再结合模糊推理系统进行模式识别，并详细介绍了其基本原理和学习算法，最后引入4种起皱特征参数对真实织物进行验证。

On the basis of establishing planar cutting model and cutting equation, through analyzing the rigidity of technical system infrequency chart, change cutting coefficient and the angle of cutter etc, emphasis measuring and analyzing hard turning 45 hardened steel the damaged layer of finished surface cutting force the roughness on finished surface and researching on the mechanism of wear and damage of cutter.

在分析二元切削模型和切削方程的基础上，进一步研究了切削变形及其影响机理；通过工艺系统刚性的频谱分析，改变切削用量、刀具几何参数等因素，测量并分析研究了精切淬硬钢的切削力、已加工表面粗糙度、加工硬化及表面残余应力及刀具的磨损情况，基本形成了精加工45~#淬硬钢的切削基础理论。

An inhomogeneous Benjamin-Davis-Ono-Burgers equation including topographic forcing and turbulent dissipation is derived in terms of the quasi-geostrophic vorticity equation, an approximate analytic solution of the BDO-Burgers equation with a small dissipation is obtained, the time variations of mass and energy of the algebraic solitary waves are discussed, and finally, the forced BDO-Burgers equation is integrated numerically and the numerical solutions are given for a given basic flow with a weak shear and a localized topographic forcing.

利用包括地形外源和湍流耗散的准地转涡度方程导出了包含强迫项和湍流耗散项的非齐次强迫BDO-Burgers方程，求出了小耗散存在情况下BDO-Burgers方程的近似解析解，讨论了代数孤立波的质量和能量的守恒关系，最后，对给定的弱切变基本气流和局地地形强迫，数值积分强迫BDO-Burgers方程，求得了不同参数下的数值解。

The contents comprise the classification and principle of molecular dynamics, the interatomic potential, the related finite difference technique, the choice of initial and boundary conditions, the realization and control of equilibrium ensembles, the extraction of useful information and some applications in the materials science.

综述了分子动力学模拟技术的发展，介绍了分子动力学的分类、基本原理、原子间势函数的发展及势参数的确定、相关有限差分算法、初始条件和边界条件的选取、平衡系综及其控制、感兴趣量的提取以及分子动力学模拟在材料科学中的一些应用。

Based on parameter free interionic potentials of the Gordon Kim modified electron gas formalism extended to molecular ions, the structure phase transitions in ionic molecular solids of the perovskites ABX 3 are discussed, which take the results of molecular dynamics simulations of KCaF 3 as an example.

基于无调节参数的Gordon－Kim势和一种检测离子运动的新技术，以KCaF3的分子动力学模拟结果为例，对钙钛矿ABX3的离子分子固体的结构相变作了探讨。包括对阱势、折叠结构、能垒、超离子态、稳定性骨架和离子分子集团BX6的"尺寸"和"形状"。以期对离子分子固体的结构相变有一个基本了解

According to the clear water experiment, aeration performance of the new equipment is good with high total oxygen transfer coefficient and oxygen utilization ratio.

曝气设备的动力效率在叶轮转速为120rpm～150rpm时取得最大值，此时氧利用率和充氧能力也具有较高值。

The environmental stability of that world - including its crushing pressures and icy darkness - means that some of its most famous inhabitants have survived for eons as evolutionary throwbacks, their bodies undergoing little change.

稳定的海底环境─包括能把人压扁的压力和冰冷的黑暗─意谓海底某些最知名的栖居生物已以演化返祖的样态活了万世，形体几无变化。