查询词典 analytical

Six experimental apparatus: The main operating on magnetic Hailei apparatus, equipment, etc. Shanghai Heng 1 domestic famous enterprises, such as analytical balance, the Taiwan cherry Electronic Scale, PH acidity, the water box, spectrophotometer, magnetic stirrer, viscometer , Moisture Analyzer, biological microscopes, workstations, Ovens, Incubators, Conductivity Meter, electric kits, heating plate, electric stove and so on.

六、实验仪器：主要经营上海雷磁仪器、上海一恒仪器等国内著名企业的产品，如分析天平、台湾樱花电子秤、PH酸度计、水浴箱、分光光度计、磁力搅拌器、粘度计、水份测定仪、生物显微镜、工作台、干燥箱、培养箱、电导率仪、电热套、加热板、电炉等。

Applying analytical method,the exact transfer matrix of circular arches with constant cross_section is derived.

由于结构本身的复杂性，对于变截面圆拱的自由振动很难获得解析解。

Using the analytical method, this paper presents the formulas for the relation of the inner fleet angle and clearance between wound-on coils of mine hoist in func-tion of drum and rope diameters.

本文用解析法求出了以绞筒直径、钢丝绳直径为函数的矿井提升设备绳弦内偏角和缠绳间隙关系的表达式，并按此绘制了供实际应用的曲线图。

Based on its exact kinematic analysis and by applying the power equation of kinetic energy theorem,its balance analysis is given,and the exact analytical expression for computing crank axle torque is obtained.

在对摆杆型游梁式抽油机进行详细运动分析的基础上，应用动能定理的功率方程对其进行了平衡分析，得到了曲柄输出轴扭矩的解析表达式。

According to this exact analytical expression,the effect of every part of a beam pumping unit on crank axle torque can be quantitatively studied. This method can be used to analyze all types of beam pumping units.

利用该解析式可以定量地分析游梁式抽油机各部件对曲柄输出轴扭矩的影响，准确地进行游梁式抽油机的平衡分析和设计计算。

On the basis of kinematic analysis of beam pumping unit,the general dynamics equation in the form of virtual power was applied to analyze the contribution of every part including balancing weight of a beam pumping unit to crank axle torque in consideration of inertia effects. The exact analytical expression for computing crank axle torque was obtained.

根据抽油机各处在任一瞬时所受的主动力和虚加的惯性力在任一虚速度上所作的元功率之和等于零的原理，考虑惯性的影响，应用虚功率形式的动力学普遍方程，对游梁式抽油机各部件对曲柄输出轴扭矩的贡献进行了分析，得到了曲柄输出轴扭矩的精确解析式。

A novel ultrafast SOA model is presented and the numerical arithmetic is provided.Secondly, an analytical formula for wavelength conversion of transient cross phase modulation is deduced from the viewpoint of impulse response function.

概括全文的研究成果和贡献，有如下几个方面：(1)研究了SOA实现全光信号处理的基本原理，推导了SOA中最基本的光场传输方程和载流子速率方程，分析各种非线性效应的原理及其应用。

The computed results showed that the section shape of rolled piece and the crown of strip calculated using the analytical method and the finite element model are similar to that of the field measurement, which effectively verifies the proposed research methods and the formulated model.

计算结果表明：采用解析法、有限元法计算出的轧件断面形状与现场实测出的轧件断面形状及板带凸度数值相近，这说明研究方法和模型的有效性。

Based on the relations among the stress, final wall-thickness of thin-walled tube and the characteristics of tube material, original size, curling radius along with friction condition in a axially-compressed internal inversion process on right-angled fillet die, some analytical discriminants were established for judging if a double-layered tubular piece of aluminum alloy could be steadily formed from a certain-sized round tube via internal inversion process without interference and plastic instability of tube wall, and a method was put forward for determining the maximum and minimum usable curling radius or die fillet-radius for thin-walled tubes in the process.

基于薄壁管直角圆角模轴压内翻过程中各处应力及最终壁厚与管材特性、管坯尺寸、卷曲半径及摩擦条件之间的关系，推出了判别任一铝合金双层管件可否由特定尺寸圆管稳定内翻成形而不出现管壁干涉与塑性失稳问题的解析判别式，指出了确定薄壁管圆角模内翻卷曲半径或模具圆角半径极限值的方法。

In thermal cycling, electrical resistance of solder joints in daisy chain configured assembly was measured. At the same time, a variety of failure analytical tools were employed to inspect the damages in the assembly including solder joint crack, underfill delamination and crack.

在加速试验过程中，测量电参数的同时，利用多种失效分析方法详细研究了封装中的缺陷和损伤，如焊点和下部填充料中的裂缝、以及下部填充料与芯片之间的分层。

Nowadays, most of research are to build a transmutative Petri Nets through adding controlling place sets, controlling arc sets and controlling policy to the basic Petri Nets, while the Controlled Petri Nets could be used to argue many controlling theory problems conveniently and to induce many logically and physically supervisory and solve the Event Feedback Controlling Problems and State Feedback Controlling Problem in DEDS supervisory theory.

目前大多数的研究表现为在变形后的受控Petri网基础上，利用各种方法求得各种逻辑型、结构型控制器，解决DEDS监控理论中的事件反馈控制问题与状态反馈控制问题。

On one hand, there are discussions with the works council and union about extension of short time working up to the end of September.

一方面，有讨论，工程理事会和联盟关于延长工作时间短至9月底。