铝铁

Series products of high pure ferrosilicon is the leading product of the company, its standard and quality reach world advanced level.

公司主导产品高纯硅铁系列产品的产品标准和实物质量均达到世界先进水平，其中低铝低碳高纯硅铁被授予国家级重点新产品。

Absorption spectrum of this complex is measured in 420nm wavelength,so titanium content in ferrotitanium will be determined.

将经典的铝还原—硫酸高铁滴定法，改为在硫酸—盐酸介质中，二安替比林甲烷与钛生成黄色可溶性络合物，在波长420nm处测量吸光度，借此进行测定钛铁中钛量。

The synthesis methods of nipagin esters catalyzed by sulfuric acid , p- toluene sulfonic acid , ferric sul-fate hydrate, ferric chloride hexahydrate, aluminium chloride hexahydrate, rare earth compound, solid super acid and heteropoly acid were reviewed.

评述了采用硫酸、甲苯磺酸、合硫酸铁、水合三氯化铁、水合三氯化铝、土化合物、体超强酸和杂多酸等催化剂催化合成对羟基苯甲酸酯的方法。

The results show that the chief mineral is diaspore (size of 5-20nm) and the iron minerals are hematite and limonite mainly, whose sizes are 0.5-3.0mm.

研究结果表明：2个样品中的铝矿物为晶体杜度细小的一水硬铝石（粒度为5~20nm）；铁矿物主要为赤铁矿和褐铁矿，铁矿物嵌布粒度相对较粗（粒度为0.5~3.0mm）。

This paper study the adsorption characteristic and application of bentonites on waste water treatment, which is bacesd on previously study on OH-Fe and OH-Fe-Al pillared bentonites.

本文立足于前人的研究，对羟基铁柱撑和羟基铁铝柱撑膨润土的吸附性能及应用进行了实验研究。

It is indicated that the hexagonal calcium hydroferrite is a kind of high scattered calciferous compound. The interplanar spacing of hexagonal calcium hydroferrite is wide. The desilication activity of hexagonal calcium hydroferrite is higher. And the loss of alumina can be reduced.

结合X射线衍射分析讨论水合铁酸钙的脱硅机理，提出水合铁酸钙是一种高度分散的含钙化合物，其晶面间距较大，脱硅活性较高，并可大幅度降低铝损。

XRD and SEM were used to analyze the phrases and microcosmic structure of the hercynite in different temperatures in N2 atmosphere, and the effects of sintering temperature and Fe content on the sintering performance were also studied.

通过XRD和SEM分析在N2气氛中不同热处理温度制备铁铝尖晶石材料的相组成及其显微结构，研究了烧结温度和铁加入量对试样烧结性能的影响。

The result shows that modification can make the β-Si phase thin when the joining amount is 0.3wt%, making the best modification result. Alloying elements Mn and Ni are always used to neutralize iron"s harm in aluminum alloys. They can form many kinds of complicated metallically compounds with Fe and Al, and eliminate needle-like iron-rich phases to reduce iron"s harm in Al-Fe alloy. Copper makes the alloy microstructure thick and electromagnetic stirring obviously makes the alloy microstructure thin, round the second phase, when the stirring voltage is 200V, making the best result; Reheat makes liquid phases emerge in the alloy, when the warming temperature is 650?

研究结果表明：红磷可以明显细化合金中的初晶硅，当加入量为0.3wt%时，取得最佳变质效果；锰、镍合金中加入后，通过形成多种复杂金属间化合物，细化针片状富铁相，减小铁对铝硅合金性能的危害；铜使合金微观组织发生粗化；电磁搅拌明显细化合金组织，使第二相圆整化，搅拌电压为200V时，取得最佳细化效果；二次加热使合金组织中产生部分液相，在650？

MPSs were prepared by using self-made PS, and the processes of MPSs such as polysilicate iron , polysilicate ferric aluminum were optimized, and new type of coagulant with high efficiency and stability (storage time is more than one month) was prepared.

本论文利用自制的聚硅酸进行了金属聚硅酸复合型混凝剂的研制，优化了聚硅酸铁、聚硅酸铁铝等金属聚硅酸复合型混凝剂的制备工艺条件，研制出高效高稳定性的新型混凝剂。

A new polysilicate ferric aluminum was prepared by using water glass,ferric sulfate and aluminum sulfate as raw materials.The conditions of preparing PSFA were optimized: the polymerization degree of silicic acid is 0.5; the molar ratio of Fe3+ and Al3+ to SiO2 is 1: 1; the molar ratio of Fe3+ to Al3+ is 1: 1;and the degree of hydrolysis is 0.5;while the influence of the aging time on the coagulation property of PSFA is not obvious.

用水玻璃、硫酸铁和硫酸铝制取聚硅酸铁铝混凝剂，确定了制备PSFA混凝剂的优化条件：硅酸聚合度η为0.5，Fe3+及Al3+与SiO2的摩尔比为1： 1， Fe3+与Al3+的摩尔比为1： 1，水解度B*为0.5，而熟化时间对PSFA混凝剂的混凝性能影响不明显。

Finally, according to market conditions and market products this article paper analyzes the trends in the development of camera technology, and designs a color night vision camera.

最后根据市场情况和市面上产品的情况分析了摄像机技术的发展趋势，并设计了一款彩色夜视摄像机。

Only person height weeds and the fierce looks stone idles were there.

只有半人深的荒草和龇牙咧嘴的神像。