whihe pig iron是什么意思

用法例句

Both the chill and reverse chill are defects often found in the nodular iron knucle castings.

白口和反白口缺陷是球铁件转向节的常见缺陷。

In application of high-strength spherulitic cast iron to thin-walled casting,the way to guarantee both high strength and chill-proof is described.

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。

In order to solve the problem of chill in castings,effect of such aspects as the chemical composition,degree of supercooling,alloying element,mould material,charge and so on were analyzed on the basis of iron-carbon diagram and alloy s crystal and solidifying principle.

为解决铸件的白口问题,从铁碳平衡图和合金结晶凝固原理出发,分析了化学成分、过冷度、合金元素、铸型介质、炉料等对产生白口的影响,结合生产实践经验,分析渗碳体的成因,提出相应地预防和消除的措施。

Effect of chromium alloying and complex modification on structures and properties of white cast iron;

添加铬合金化和复合变质处理对白口铸铁组织性能的影响

An approach to improving anti-wear property of white cast iron;

改善白口铸铁抗磨性的途径

The microstructure and mechanical properties of a new type wear-resistant white cast iron with the boride as wear-resistant phase were investigated.

研究以硼化物为耐磨相的新型耐磨白口铸铁的组织特点与力学性能。

Determination of Mercury in Tricholoma giganteum by Flow Injection-Atomic Absorption Spectrometry;

流动注射—冷原子吸收法测定大白口蘑中的痕量汞

Nutrient Analysis of Tricholoma giganteum and Pleurotus eryngii Cultivated with Cotton Seed Hull Compost;

棉籽壳栽培大白口蘑和杏鲍菇的营养分析和比较

Studies on the Biological Characteristics of Tricholoma giganteum;

大白口蘑生物学特性研究