坯

The results showed that the calcined bone ash obtained at 1200℃ had clear outline, spherical and mode-ratesize particles. These characteristics were benificial to improve the slurry fludity, broaden the sintering temperature range and increased the whiteness of bone china bulk. It is concluded that the moderate calcining temperature range of bone china bulk is 1200-1300℃.

实验结果表明，在1200℃下对骨灰进行煅烧，可获得轮廓清晰、周球形和颗粒尺寸适中的煅烧骨灰，有利于提高骨质瓷坯体浆料的流动性，扩大坯体烧结温度范围，并且能提高坯体的白度。

The temperature、heat flux and solidified shell thickness were calculated in two different slab. The influence of casting speed to heat transfer was also analysised, and the calculation method of inverse problem model was studied. The convergence behavior of model was discussed under different methods and parameters.

对实际生产中两个不同的铸坯模型的结晶器温度、热流和铸坯凝固状况进行计算，分析了拉坯速度对结晶器传热的影响，并对反问题模型的计算方法进行研究，讨论了不同反算方法及参数下的模型收敛行为。

A series of measurements including macrograph , inclusion,segregation of composition and billet surface and property of final rolled steel products confirm that the continous casting process gives satisfaction to the quality of the products.

介绍了我国第一台特殊钢方坯连铸机，连铸含Ti奥氏体不锈钢的铸坯质量情况，内容包括：铸坯的低倍组织结构、非金属夹杂物、化学成分偏析、铸坯表面及钢材性能。

It isverified that the method for using little deformation condition was true with accurate solution of three-piece straightening curve.

文摘：基于三段矫直曲线应变速率的假设，通过计算三段矫直曲线的精确解，验证了使用小变形条件的正确性；考虑高温铸坯蠕变性能，对铸坯的力学行为进行了分析，得出了使用三段矫直曲线方法，铸坯应变速率、应力及应变在矫直区内变化较为平缓，可有效避免铸坯内裂纹的形成；使用本文三段矫直曲线精确解，调整辊列位置，可进行连铸机的在线技术改造。

It isverified that the method for using little deformation condition was true with accurate solution of threepiece straightening curve.

文摘：三段矫直曲线应变速率的假设，通过计算三段矫直曲线的精确解，验证了使用小变形条件的正确性；考虑高温铸坯蠕变性能，对铸坯的力学行为进行了分析，得出了使用三段矫直曲线方法，铸坯应变速率、应力及应变在矫直区内变化较为平缓，可有效避免铸坯内裂纹的形成；使用本文三段矫直曲线精确解，调整辊列位置，可进行连铸机的在线技术改造。

At the same time,three dynamic models of cylinder powder green-preform are set up ,which are :die and corefixed on the die shoe , core moving with green-preform, core and die moving downwardin relation to green-preform. The theoretical equations of the green-preform densities andpressing stresses of the three pressing conditions are also derived.

同时建立了凹模与型芯固定在下模座、型芯随压坯一起运动和型芯与凹模相对于压坯向下运动等三种圆环形粉末压坯压制的力学模型，导出了这三种压制条件下的压坯密度与压制压力的理论公式；其结果能够指导粉末冶金模具设计，为发挥模具材料的潜力提供依据。

The microstructure and the mechanical properties of extruded pipes, as well as the blanks, were alsoanalyzed. The results demonstrate that there are a lot of fibred tissues in extruded pipes which will increaseits mechanical properties along axial direction. And the strength of thedeformed material is much higher than the former.

对挤压前坯料和成型管坯分别进行金相显微分析，扫描电镜分析以及力学性能分析，结果表明：通过等温热挤压得到的管坯在轴向有明显的纤维状组织，极大地改善了其轴向力学性能，挤压管坯的强度比通过锻态钻孔得到的管坯有显著提高。

The main reason is that there still exist fine pores and fine marks left by knife on the surface of the hand-thrown biscuit, which is covered by biscuit powder and dust. If applying glazes directly, such defaults as dots, needle's eye are quite easy to be produced in the course of firing.

因为手工拉坯产品经利坯之后坯面常有细孔和细小刀痕，并附着坯粉和灰尘，如果直接施釉，烧制过程极易导致麻点、针孔、缩釉等釉面缺陷。

Slab CCM Production Line with R4m ~ R10m Arc Radium, 130mm ~ 240mm thickness, 400mm ~ 1300mm width.

R4m ~ R10m基本弧半径、坯厚130mm ~ 240mm，坯宽400mm ~ 1300mm的板坯连铸机，大型、中型及小型方坯连铸机，高效结晶器、方坯液压剪。

The experiment and the research indicate that:(1) Through the Hot-Continuous-Rolling production technics under small reduction ratio of 4.04 and 5.08, the rectangular continuous-casting billet of 235×265mm can be used to produce big size steel stick of Φ140mm and Φ 125mm whose macrostructure and mechanical properties meet the standards, this technics is viable;(2) This rolling technics can make the deformation penetrate to the center of the billet by low temperture and low velocity and big roller diameter and large reduction quantity at every pass and optimum design and arrangement of rollers, which is the key of Hot-Continuous-Rolling technics under small reduction ratio;(3) The sending technics used in Xining Special Steel Co.,Ltd can not use waste-heat of billet adequately, but the sensitive temperature section of A1N or sulphides or inclusions separating out is avoided, creating a favorablecondition for insuring good surface quality of final rolled steel;(4) The Hot-Continuous-Rolling technics under small reduction ratio has a close relationship with the billet quality control and the hot sending process control and the cooling control after rolling.

通过实验研究表明：(1) 235×265mm矩形连铸坯分别采用4.04和5.08的小压缩比热连轧生产工艺，所生产的Φ140mm和Φ125mm的大规格棒材，其低倍组织和机械性能均符合标准要求，该工艺是可行的；(2)本实验所采取的低温低速、大辊径大道次压下量轧制工艺加上轧辊孔型的优化设计与配置，可以使加工变形渗透到铸坯的中心，这一点是实现小压缩比热连轧生产工艺的关键；(3)西宁特钢在红送过程中虽然铸坯余热未能得到充分的利用，但是有效地避开了A1N、硫化物的析出及夹杂物偏析的敏感温度区，为保证最终轧材良好的表面质量创造了有利的条件；(4)小压缩比热连轧生产与铸坯质量控制，热送过程控制以及轧后冷却控制密不可分。

Neither the killing of Mr Zarqawi nor any breakthrough on the political front will stop the insurgency and the fratricidal murders in their tracks.

在对危险的南部地区访问时，他斥责什叶派民兵领导人对中央集权的挑衅行为。

In fact,I've got him on the satellite mobile right now.

实际上 我们已接通卫星可视电话了