查询词典 foundry iron

Over many years there has been much attention directed to the removal of arsenic from hydrometallurgical process solutions and waste waters by precipitation and coprecipitation with iron.

很多年来，除砷被很多地关注于用湿法冶金法工艺，并且通过废水的沉淀和铁的共同沉淀解决。

The study results of sediments from Guangzhou water body showed that the main crystalline minerals in sediments were quartz, kaolinite and hydromica, and heavy metals were associated mainly with residual phase, organic phase and iron oxides phase.

而且解吸和吸附过程不是完全可逆的；(6)广州城市水体污染沉积物中的结晶矿物相以石英、高岭石和水云母类矿物为主，重金属元素Pb、Zn、Cu、Ni、Cr、Mn主要以残渣态、有机态和氧化铁结合态存在。

Through thermodynamic calculation and electrochemical analysis of multiple redox reactions on the minerals of galena, sphalerite and pyrite in different system, it could be found that pulp chemical environment in which hydrophobe of collectorless flotation produced was beneficial to reduce collector dosage in existing flotation system; electrochemical analysis on sphalerite had been engaged; and pulp chemical environment of OPF for lead-zinc-iron sulfide minerals and relevant selective measure for collector and modifer were established.

通过对方铅矿、闪锌矿、黄铁矿在水体系、调整剂体系、捕收剂体系中由局部电池造成的多种氧化—还原反应的热力学分析和电化学测试，补充和完善了铅锌铁硫化矿浮选电化学理论。提出了矿物表面无捕收剂疏水体生成的矿浆化学环境有利于降低现有浮选体系中捕收剂用量的观点；成功地进行了闪锌矿的电

Objective To determine the feasibility of superparamagnetic iron oxide perfusion T2WI for detecting hyperacute cerebral ischemia.

目的 观察国产超顺磁性氧化铁灌注T2WI诊断超急性期脑缺血的可行性。

To our best knowledge, there exist only micro modeling results on equilibrium solidification process of hypoeutectic gray iron in the open literature.

根据亚共晶灰铸铁非平衡凝固过程的特点，提出了数值模拟其凝固组织的一套方法，其中主要包括奥氏体枝晶生长过程体积分数的计算以及晶粒接触因素的处理。

Influence of pouring temperature on the size and shape of primary austenite in semi-solid hypoeutectic high chromium cast iron was studied.

利用倾斜板冷却体法制备了亚共晶高铬铸铁半固态浆料，并且研究了不同浇注温度对半固态亚共晶高铬铸铁初生奥氏体的影响。

The effects of alloying elements,modification treatment and thermoplast ic deformation on the structure and properties of hypoeutectic white cast iron w as studied and discussed.

0前言 白口铸铁具有一定的热塑性变形能力，其经高温塑性变形，网状碳化物破碎呈孤立块状分布在基体中，使得白口铸铁的韧性得到提高。

The primary iron-rich phases in hypoeutectic are polyhedral in 2-dimensions and 12-facets in 3-dimensions.

在熔体中吹入氮气也同样增加初生铁相的数量。

The eutectic temperature and the amount of proeutectic austenite dendrites are essentially unchanged with the variation of solidification rates in hypoeutectic white iron.

随凝固速度增加，亚共晶灰铸铁的共晶温度下降，初生奥氏体枝晶的数量和发达程度随之增加。

Through analyzing the successful experiences and lost cases, this article summarizes the original and different factor—the ability of core competition with which enterprises have gained the advantage of competition, and explains, through comparing the gap of competition among the domestic enterprises and oversee ones, the necessity and impendency for our state-owned enterprises(the emphases are iron and steel-making enterprises) to build the ability of core competition.

本文通过分析企业成功与失败的经验教训，归纳出企业获得竞争优势的异质性原生起因——核心竞争力。通过对比国内外企业的竞争差距，阐述了我国企业培育核心竞争力的必要性和紧迫性。在研究马钢核心竞争力培育之前，文章着重基于系统理论的观点，从经济学和管理学研究方法入手，对企业竞争力、核心竞争力的基本概念及特征进行了界定和分析，建立了企业核心竞争力要素体系的两个基本模式。

Listen,point and check your answers.

听，指出并且检查你的答案。

Warming needle is one of effective treatment methods for knee arthralgia aggravated by cold,and it is simple,safety,so it should be developed in clinical acupuncture and moxibustion extensively.

但以本院科针灸门诊在2005年1月—2006年6月期间共收治膝痛患者100余例，经过临床的诊断后，其中施以温针治疗的48例，疗效显著，报道如下。1临床资料本组病例48