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加工方法

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Our company was established in 1992, and one of the major quartz glass manufacturer in China. We have several fusion methods, such as electrical continuous, drawing for both transparent and translucent ,electrical rotated fusion for opaque , and flame fusion ingot. We can also fabrication for infrared provide infrared quartz lamp.

公司采用连熔法(生产透明石英玻璃、乳白石英玻璃)、旋转法、气炼法等多种工艺方法生产,同时还生产红外石英加热灯,可以对石英玻璃进行热加工(如改变石英管的口径作为半导体应用材料)。

On the basis of nonlinear FEA code ANSYS/LS-DYNA, rail rolling process of universal rolling unit were simulated by 3D large deformation thermal-mechanical coupled elastic-plastic FEM. And the deformation shape of the work piece, deformation parameters and cross dimensions for each pass were obtained and stress,stain distribution and metal flow in rolling process of typical passes were analyzed in detail. Analyzed typical pass stress and strain distribute, rolling stress and deforming in universal pass last groove in detail,discussed the effect regularity of residual stress distribution and size to safely using rail, detailed to expound universal pass to railhead tread circular arc process.

本文基于ANSYS/LS-DYNA非线性显式有限元软件,以60kg/m的重轨为研究对象,采用全三维弹塑性热力耦合的有限元方法研究了重轨在万能轧机组中的变形过程,得到了轧件在孔型中的延伸情况、各道次轧件的变形参数,分析了典型道次的应力、应变分布,并详细分析了全万能成品孔型中轧件受力和变形情况,讨论了残余应力的分布及大小对钢轨安全使用的影响规律,详细地阐述了全万能成品孔型对轨头踏面圆弧的加工过程。

This paper studies the test of the dry reaming technology by applying ultrasonic vibration to the reamer.

通过将超声波能量施于铰刀,使其以超声频振动进行干式铰孔的工艺方法,试验研究超声波激振干式铰孔对加工精度、表面粗糙度的影响规

It extends the application of nanosecond laser in laser-induced microstructures,and provides a new method for micromachining reflection grating in metal.

该研究拓展了纳秒激光在加工微结构方面的应用,为在金属材料表面制作纳米压印模版提供了一种新方法。

Materials selection must now encompass a total engineering approach, by considering not only processing and properties, but also the maintenance, reliability, replaceability, and recyclability of a material.

不仅考虑加工和材料的特性,而且还要考虑某种材料的可靠性、可替换性和回收利用的可能性,现今对材料的选择必须包括整个工程学的方法。

Retting of flax is a key step of flax processing, and ret-ting method influences properties of flax-fiber obviously.

亚麻脱胶是亚麻原料加工的重要环节,脱胶方法显著影响亚麻纤维性能。

Materials and Methods 15 native Chinese-speakers with right-handedness were divided into two groups, include 7 men and 8 women. They were asked to perform Chinese synonym judgement tasks. Block designing was performed in this experiment, fMRI data were collected, data analysis was carried out using spm99 software, generated the activation map, and compared fMRI activation patterns of males and females in semantic processing.

材料与方法 15名母语为汉语的在校大学生,右利手,分为男性组和女性组,男7名,女8名,执行汉字同义词判断任务,选择组块设计方案,采集其脑部的fMRI数据,结果采用spm99软件进行数据分析,得到脑功能活动图像,并对男性和女性语义加工任务时的脑激活区进行比较。

However, it is often occurred that the part of the metal roughcast is cracked in the process of the sheet metal forming .

冲压成形作为金属板料压力加工的一种工艺方法,在现实生产中得到广泛应用。

Especially discuss the characteristic of data that near the sharp-points, present the linear intersect method and near rule of three.

分析了数字化建模级放后鞋楦曲面数据空间分布的不均匀性,提出了采用周向与向插值生成鞋楦螺旋线数控加工轨迹点的方法。

However, Super Chef Heidi and the Sanctus Stones team understand the importance of having the fundamental ingredients necessary for success, but just as in the culinary arena, the same is so in life; without the accompaniment of a recipe guiding and supporting the process, the combination of components may not produce the desired final dish.

超级主厨Heidi和Sanctus Stones团队虽然懂得基本要素对于成功的重要性,然而,正如在烹饪领域,原材料固然对于菜肴的成功与否非常重要,但如果单靠材料的简单堆砌而没有烹饪方法指导和支持整个加工过程,可能烹调不出称心如意的菜肴。

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I didn't watch TV last night, because it .

昨晚我没有看电视,因为电视机坏了。

Since this year, in a lot of villages of Beijing, TV of elevator liquid crystal was removed.

今年以来,在北京的很多小区里,电梯液晶电视被撤了下来。

I'm running my simile to an extreme.

我比喻得过头了。