钢铁

Therefore developing the analysis and research about flow field and temperature field of molten steel in the slab crystallizer is very important.

本文以国内某钢铁公司的板坯连铸机结晶器为研究对象，重点分析了拉坯速度、水口倾角和水口浸入深度对流场和温度场的影响，以及过热度对温度场的影响。

They are also mentioned in passing in Lancaster and Wattleworth's 'The Iron and Steel Industry of West Cumberland' as being one of ten UK railmakers at the time of peak demand.

他们还提到，在兰开斯特的传球和Wattleworth的'钢铁工业西坎伯兰'，可以作为10英国railmakers之一的高峰需求的时间。

ECCO ROLLER is specially providing FORGING STEEL ROLLERS for steel, aluminum, cupper milling enterprises, SHEAR CUTTERS and HEAT TREATMENT PROCESSES, as well as MERCHANICAL PROCESSES.

成立于2005年的常州艾柯轧辊有限公司，运用现代化的管理理念和方法，完善成熟的技术、先进的生产与加工装备，为高速增长的世界金属压延工业服务，专业生产各种钢铁、铝、铜冷轧锻钢轧辊，剪板机刀片以及提供先进的热处理和机械加工业务。

Unlike the other types of hair appliances, it is important to make sure you purchase a quality curling iron product.

不同于其他类型的头发用品，它是很重要的，以确保你购买一个优质冰壶钢铁产品。

In addition to export decline, the inventory cycle in commodities like steel and non-ferrous metals played an important role.

除了出口下降，大宗商品的存货周期，例如钢铁和有色金属，也起到重要作用。

Study on the protection of the coatings in preventing oxidation and decarbonization of steel and iron materials during heat treatment;2. The present and prospect of semisolid steel and iron forming technology were discussed.

重点叙述了国内外各种钢在半固态成型过程中的组织演变机理及其力学性能，并介绍了半固态的坯料制备和成型工艺，对钢铁材料半固态成型技术的现状及发展趋势进行了分析讨论。

Metal heating, the workpiece exposed to the air, it often happens oxidation, decarbonization (ie, reduce the carbon content of the surface of steel parts), This is part of the surface properties after heat treatment has a negative impact.

金属加热时，工件暴露在空气中，常常发生氧化、脱碳(即钢铁零件表面碳含量降低)，这对于热处理后零件的表面性能有很不利的影响。

They can also be used for such materials as following:making planes and spacecrafts,screening high-speed neutron reactors,a superconductor in electrical appliance industry,The vanadium compound can be used as a caterlyzer in sulphuric acid industry,a mixture of ethylene and propylene in symthetic rubber and a desulfurizer in oil-refinery ,an oxidizer in making nylon,pesticide,polyvinyl chloride,a non-propylene decarbonizer in chemical fertilizer industry,amilioration of A.D.A.non poisonkous desulpurtion.

我公司生产的五氧化二钒99.5级，99级，98级以及偏钒酸铵，用途广泛，它可制取金属钒和钒合金，用于钢铁冶炼\机械，飞机以及宇宙飞船制造等行业，快中子反应堆的屏蔽材料和电子工业的超导材料，钒化物应用于硫酸工业催化剂，合成橡胶的乙烯和丙烯交联，石油精炼中的脱硫，尼龙，农药，塑料聚氯乙烯制造的氧化，化肥工业的笨非尔无毒脱碳，改良A，D，A法无毒脱硫，钒化物还因其色泽艳丽而作为颜料应用到玻璃，陶瓷，医药等行业，钒酸盐也是印染业良好的媒染剂。

All of these aspects need to be improved.Considering the disadvantages of the two kinds of the deicers, great amounts of the science data are referred in the research experiment, by developing the main materials and the additives, a new kind of deicer: PAL is founded. Not only does PAL remain the advantages of the traditional deicer such as cheap materials and low freezing point:-43.8 C, but it has the character of CMA, low corrosion to steel and concrete.

针对上述除冰剂的缺点，本课题收集了国内外大量的相关科技文献，通过对主体物料和添加剂两方面的改善，寻找到一种新型除冰剂PAL，它既保留了传统除冰剂的优点，原料廉价易得，低冰点，可达-43.8℃；又兼有CMA的优点，对钢铁几乎无腐蚀，对混凝土无不良影响。

The process to substitute ferro-silicon-aluminium with ferro-silicon-aluminium-barium as end deoxidizer is discussed.

对河北敬业钢铁有限公司炼钢厂用硅铝钡铁代替硅铝铁作终脱氧剂工艺进行了探讨，认为该工艺是可行的，钢水浇注性能良好，并且可获得明显的经济效益。

And Pharaoh spoke to Joseph, saying, Your father and your brothers have come to you.

47：5 法老对约瑟说，你父亲和你弟兄们到你这里来了。

Additionally, the approximate flattening of surface strip using lines linking midpoints on perpendicular lines between geodesic curves and the unconditional extreme value method are discussed.

提出了用测地线方程、曲面上两点间短程线来计算膜结构曲面测地线的方法，同时，采用测地线间垂线的中点连线和用无约束极值法进行空间条状曲面近似展开的分析。