查询词典 cramp iron

The influence of the K/Na modificator on structure and performance of high chromium cast iron was investigated. The melting and heat treatment process (hardening at 1000℃ and tempering at 450℃) were also obtained.

考察了K/Na变质剂对高铬铸铁组织和性能的影响，确定了合金的熔炼工艺和热处理工艺，得出最佳的淬火和回火工艺温度（淬火1000℃+450℃回火）。

In this paper the effects of the Re K Zn compound modificator on the microstructure and properties of high Chromium white cast iron as cast have been studied by the method of orthogonal design.

本文通过正交设计实验研究了Re K Zn 复合变质剂对高铬白口铸铁组织和性能的影响，借助于电子扫描显微镜、X 射线能谱仪等先进设备对其影响结果进行了分析。

Influences of types of modificator s and their added volume fractions on the structure and properties of The medium-chromium cast iron under the same experiment condition were investigated in this article.

探讨了在相同试验条件下，变质剂种类及其加入量对中铬铸铁组织和性能的影响。

In this paper the effects of the Re-K-Zn compound modificator on the microstructure and properties of high Chromium white cast iron as-cast have been studied by the method of orthogonal design. The results have been analyzed with the aid of scanning electron microscopy and energy dispersive X-ray analyzer.

本文通过正交设计实验研究了Re-K-Zn复合变质剂对高铬白口铸铁组织和性能的影响，借助于电子扫描显微镜、X-射线能谱仪等先进设备对其影响结果进行了分析。

medium-chromium cast iron ; modification ; modificator ; structure ; property ; wear resistance

在中铬铸铁的研究中发现，采用变质处理工艺能够改善中铬铸铁的组织和性能。

In application of high-strength spherulitic cast iron to thin-walled casting,the way to guarantee both high strength and chill -proof is described.The mechanism and factors such as quantity of modificator consumed,C-equivalent and wall thickness and their effect on the hilling tendency.

本文介绍高强度球墨铸铁用于制造薄壁铸件时，既保证高强度又防止白口的途径，并着重就变质剂的消耗、碳当量及壁厚对铸铁的白口倾向、金属基体变化及机械性能的影响机理进行了论述。

Pingxiang Iron and Steel Co., Ltd. has developed a de-cyanide pretreatment technology with molysite, but the concentration of CN - at a range of 10～18 mg/L in the wastewater after treating is still too high as for germ in dephenolization. The influence o...

根据对活性污泥的驯化过程对脱酚活性污泥影响的研究，得出适于细菌生存繁殖的运行参数为磷酸二氢钠加入量 12kg/d以上，葡萄糖 9kg/d以上，自沉污泥指数约 2 0mL/10 0mL ，回流污泥指数约 30mL/10 0mL ，温度为 2 5～35℃。

Properties : White crystallization or powder , proportion 1.735 , melting point is 287 ℃, apt to dissolve in water , ethanol and propanone , aqueous solution is neutral , turn into the blood red sulphur cyaniding iron with molysite , reactionless with inferior molysite, salt function turns into dark blue sulphur cobalt cyanide, turn into white sulphur silver precipitating or black sulphur copper cyanide cyanide to precipitate with the silver salt or copper salt function with cobalt.

白色结晶或粉末，比重 1.735 ，熔点 28 7 ℃，易溶于水、乙醇和丙酮，水溶液呈中性，与铁盐生成血红色的硫氰化铁，与亚铁盐则无反应，与钴盐作用生成深蓝色的硫氰化钴，与银盐或铜盐作用生成白色的硫氰化银沉淀或黑色的硫氰化铜沉淀。

The spring is the best time for iron mongery, cutleryware, and furniture for furnishing houses.

春天是进口铁器、刀具、布置房屋所需家具的好时机。

The spring is the best time for iron mongery, cutleryware, and furniture for furnishing houses.

而西印度群岛和南欧是重要的贸易伙伴，尤其是作为美国出口商品的市场。

Nowadays, most of research are to build a transmutative Petri Nets through adding controlling place sets, controlling arc sets and controlling policy to the basic Petri Nets, while the Controlled Petri Nets could be used to argue many controlling theory problems conveniently and to induce many logically and physically supervisory and solve the Event Feedback Controlling Problems and State Feedback Controlling Problem in DEDS supervisory theory.

目前大多数的研究表现为在变形后的受控Petri网基础上，利用各种方法求得各种逻辑型、结构型控制器，解决DEDS监控理论中的事件反馈控制问题与状态反馈控制问题。

On one hand, there are discussions with the works council and union about extension of short time working up to the end of September.

一方面，有讨论，工程理事会和联盟关于延长工作时间短至9月底。