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So it is necessary to develop the coupled model of heat transfer and stress for continuous casting billet.

所以，开发连铸坯凝固传热与应力分析耦合模型是非常必要的。

In this paper the mathematical model of high-efficiency continuous casting of billet is developed.

本文建立了方坯高效连铸二冷数学模型，提出了喷嘴有效喷淋系数和二冷有效比水量的概念。

Application concepts,methods and results of the variable water ratio cooling in billet continuous casting are presented.

介绍了变比水量冷却模式在方坯连铸机上的应用思路、方法和效果。

And the combination of angle and distance bias casting further worsens the balance in billet transport process.

角度和距离同时偏流的浇注进一步加重了铸坯内传输过程的不均衡性。

This paper uses numerical simulation technique to simulate unstable temperature field in the process of bimetallic composite casting.

应用数值模拟技术对双金属复合过程中的非稳态温度场进行计算。

After casting her horoscope he declared that she and his son were a heaven ordained pair. He took her into his home as Young Blacky's future wife.

二诸葛说是个便宜，先问了一下生辰八字，掐算了半天说："千里姻缘使线牵"，就替小二黑收作童养媳。

Because this prevents those who connect casting base bleb to form, produce to stabilizing Lianzhu, raise product quality to have important sense.

因此防止连铸坯气泡的形成，对稳定连铸生产、提高产品质量具有重要意义。

Blowhole is a kind of casting defects,the reasons of which are most difficult to find out.

气孔是最难分析其形成原因和最难找出防治方法的铸件缺陷。

So, the blowhole defective belongs to a technology difficult in the session of casting, and has a lot of values for research.

本论文以在KW造型线上生产的4100QB机体作为研究对象，详细介绍了4100QB机体产生的侵入性气孔的形成机理。

After summarizing some tests having been done by others, it is found that MgO plays an important role in forming surface blowhole in ductile iron casting.

通过对前人所做皮下气孔试验的总结，认为MgO的存在是产生这一缺陷的关键因素，并就相关现象进行了理论分析。

Molecular Distillation is a kind of high vacuum distillation method, which is suitable for the separation of high boiling, heat sensitivity and viscidity products.

分子蒸馏技术是一种在高真空条件下进行的连续蒸馏过程，适合于分离高沸点、热敏性及具有生物活性的混合物。

They are to the Noughties what yuppies were to the Eighties .

那在六十年代是时髦的，但在八十年代肯定是过时了