查询词典 oxide of iron

A new method was developed to assess the bioavailability of arsenic in the sediments by using an iron oxide/cellulose acetate membrane.

利用自制的氧化铁／醋酸纤维素复合膜对沉积物中砷的生物有效性进行评估。

Objective To investigate the effect of preparation conditions on the effective diameter and saturation magnetization of dextran magnetic iron oxide nanoparticles.

目的探讨葡聚糖氧化铁磁性纳米颗粒的制备对其有效粒径和比饱和磁化强度的影响。

When dosage of agents was 5～30 mg/L,the least diaphaneity of the top liquid on dispersing iron oxide were 89%,39%,74%,86%,97% and 72% respectively.

从 2 0世纪 90年代开始成为水处理药剂研究和开发的热点[1，2 ] ，对PASP的改性研究国外有过报道[3] 。

Because the ferrous iron is unstable, a few of it is oxidized and form ferric oxide.

这主要是由于在氧气气氛中进行，氧化亚铁不稳定，会有少量三氧化二铁生成。

The process of producing ferric oxide from waste iron mud in dye factory with calcination has been studied.

研究了以染化厂产生的废料铁泥为原料，采用焙烧法生产氧化铁红颜料的工艺，简要介绍了该法生产氧化铁红的反应机理及温度、酸度、焙烧时间对产品质量的影

The electrical properties of concretes using 3 kinds of fly ash with different iron oxide contents have been studied.

对混凝土的电性能与铁氧化物含量不同的使用3种粉煤灰进行了研究。

Experiment for extraction of free iron oxide by hydroxylamine and different concentrated hydrochloride-acids in diverse conditions has been studied.

本实验采用盐酸羟胺－盐酸体系在不同的温度下浸提黄土中的游离氧化铁。

It is effective ways of improving iron oxide powder on surface of hot rolled steel sheet to lower strip's initial cooling temperature and reduce strip's inside and outside temperature gradient.

通过调查、统计与对比试验，分析了SN400B钢板表面氧化铁粉的成因及影响因素，指出降低带钢起始冷却温度、减少带钢内外温度梯度是改善热轧板表面氧化铁粉的有效途径。

The research progress in the preparation of nanometer iron oxide is summarized.

综述了纳米氧化铁的化学制备方法的研究进展。

In this paper, advances in synthesis of size adjustable and shape controllable iron oxide nanoparticles are presented.

本文介绍了纳米氧化铁的制备及其颗粒大小、形貌控制等方面的进展状况。

This one mode pays close attention to network credence foundation of the businessman very much.

这一模式非常关注商人的网络信用基础。

Cell morphology of bacterial ghost of Pasteurella multocida was observed by scanning electron microscopy and inactivation ratio was estimated by CFU analysi.

扫描电镜观察多杀性巴氏杆菌细菌幽灵和菌落形成单位评价遗传灭活率。