查询词典 die-off

Through analysing the structural feature and pressing technical of LJ465Q-1A petrol motor front encloser,these design emphasize introduce the pressing process planning and punch flush trim die , hole flanging moding design of petrol motor front encloser, approach how to avoid flaw , ascertain rational pressing process and dying structure ,finally in terms of pressing process drawing ,achive the punch shaving die ,hole flanging structure design and assembly drawing , major parts drawing of the part .

本设计通过对LJ465Q-1A汽油发动机前罩壳的结构特点和冲压工艺分析，着重介绍了该零件的冲压工艺过程设计及冲孔修边模、翻孔模的设计要点，探讨了避免缺陷产生的方法，确定了合理的冲压工艺过程和模具结构，并以冲压工艺过程图为依据完成了该零件冲孔切边模与翻孔模的结构设计和装配图、主要零件图的绘制。

Polymer melt ; extrusion swell ; conical short die ; die entrance angle

聚合物熔体；挤出胀大；圆锥短口模；口模入口角

"I must die," again says Epictetus. But must I then die sorrowing?

厄匹克特泰又说，我迟早会死，但是，我必得悲伤地死去吗？

According to IS theory as well as die bond requirement in reality, Au/In was chosen by virtue of appropriate equilibrium diagram and high reaction rate from a variety of binary alloy systems as die bond media. To match CET of chip material of silicon, alloy 42 (Iron-Nickel) rather than copper—2 kinds of lead-frame materials in most common usage, was selected as substrate.

根据等温凝固原理和芯片焊接的实际需要，从多组二元合金中选出了共熔点低、反应速度快的金和铟作为焊接材料；并以硅片作为芯片，从目前最常用的框架材料—铜和铁镍四十二合金中，选出了与硅的热膨胀系数相近的铁镍四十二合金作为衬底材料。

This paper presents the general methods and process of panel die design in PRO/E environment. The design can be top- down and bottomup. The emphasis is on the design and analysis of die surfaces under the PRO/DIEFACE including extensions, extension ratio, spring back ,etc.

本文探讨在PRO／E环境下采用自顶向下和自底向上的方法进行覆盖件模具设计的技术、方法和过程，着重叙述利用PRO／DIEFACE进行模具接触面设计、分析和空间曲面处理的步骤，包括模具型面、工艺余料、法兰、拉深筋、弹复角的生成和成形度分析等。

The rolling procedure of cross wedge rolling in the case of die void and not was simulated adopting Finite element method. Base on it, effect of die void on rolling force was analyzed in detail.

为此，采用有限元法对楔横轧模具在不脱空和脱空情况下进行了轧制过程数值模拟，详细分析了模具脱空对轧制力影响的规律，得到了在一定断面收缩率范围内模具脱空有利于减小轧制力的研究结果，并与测试结果进行比较。

Considering the problems of spurgear precise plastic forming, such as high deformation resistance, poor flowability and especial hardness to fill cant of gear, technological plan was developed based on precise plastic forming technique, successive control principle and consecutive local deformation theory. Moreover, structures of the rolling preform die and the die with up and down wellrounded forcer for stamping-extrusion and bulge-extrusion combining forming were designed too.

因此本文的主要研究内容和结果如下：本文以某种直齿轮：模数m＝2，齿数z＝20，压力角α＝200，变位系数x＝0为对象，针对直齿轮精密塑性成形变形抗力大，流动性差，特别是成形中齿轮角隅部分更加难以充满问题，基于精密塑性成形技术、逐次控制原理以及连续局部变形原理提出了"直齿轮滚轧制坯－镦挤、胀挤复合精成形"的工艺方案，设计了滚轧制坯的模具结构和上下冲头带圆角的镦挤、胀挤复合精成形的模具结构。

For example of trunk-lid, the author has finished the die-face design, formability analysis and die structure design in this paper.

本文以轿车行李箱后盖为例，完成了拉延模型面设计、成形性分析和模具结构设计的全部工作。

It is nothing to die, what is frightful is to die without seeing her.

死是无所谓的，可怕的是，死而见不到她。

Many a man will have the courage to die gallantly, but will not have the courage to say, or even to think, that the cause for which he is asked to die is an unworthy one.

很多人可以勇敢的死去，但是却没有勇气说他为之而死的原因没有意义，甚至连这样想一想的勇气也没有。

However, as the name（read－only memory）implies, CD disks cannot be written onorchanged in any way.

然而，正如其名字所指出的那样，CD盘不能写，也不能用任何方式改变其内容。

Galvanizes steel pallet is mainly export which suits standard packing of European Union, the North America. galvanizes steel pallet is suitable to heavy rack. Pallet surface can design plate type, corrugated and the gap form, satisfies the different requirements.

镀锌钢托盘多用于出口，替代木托盘，免薰蒸，符合欧盟、北美各国对出口货物包装材料的法令要求；喷涂钢托盘适用于重载上货架之用，托盘表面根据需要制作成平板状、波纹状及间隔形式，满足不同的使用要求。