氧化铝

Whereas the calculation result of electric structure shows that the front valence electron of face (001) of gibbsite is active correspondingly. That is there may be some activity points on this face.

氢氧化铝的(001)面的前线价电子较为活跃，其晶面可能存在与铝酸钠溶液中不同形态的铝酸根离子或者是晶体生长基元发生键合的"活性点"。

Firstly, the important faces of the process of precipitation of sodium aluminate were calculated preparatory using Bravais-Friedel Donnay Harker method. Secondly, the equilibrium morphology calculations were processed on gibbsite 3×4×2 super cell and its (001),(100),(010),(011),(110),(101) and (112) slab models.

首先，用BFDH法说明了生长过程中最重要的面；其次，采用晶体平衡形态法，用Morphology程序对氢氧化铝3×4×2超晶胞及其(001)，(100)，(010)，(011)，(110)，(101)和(112)面真空slab模型进行平衡形态计算，计算结果与实验结果吻合，很好地预测了各显露面族(001)，(100)，(010)，(011)，(110)，(101)和(112)面族。

On the contrary, the volume is smaller when there is some oleic acid with "vertical" mode. Theoretical calculations show the correlative experimental facts and unveil the effect of oleic acid on the crystalline of gibbsite at microcosmic level.

理论计算说明油酸的存在会促进或抑制晶体长大的实验结果，从微观层次揭示油酸对氢氧化铝结晶行为影响的实验规律。

To study the sweetening process of diasporic bauxite,Al3 obtained from the direct carbonization of unrefined sintering solution was used as the additive and its performance was compared with that of the conventionally used gibbsite .

分别以烧结法粗液直接进行深度碳分所得到粗氢氧化铝和工业上常用的三水铝石矿作为添加剂，进行了一水硬铝石矿增溶溶出过程的对比研究，主要考察了增溶温度、添加剂添加量和增溶时间等因素对溶出效果的影响，同时对增溶溶出矿浆与常规拜耳法溶出矿浆的沉降性能进行了对比研究。

Although bauxite reserves are abundant, but most belong to a diaspore ore, leaching poor, and the Al-Si ratio is low compared with foreign gibbsite, in the recovery of alumina, alkali consumption and overall energy consumption there is a wide gap.

铝土矿储量虽然丰富，但多数属于一水硬铝矿石，浸出差，铝硅比低，与国外相比，在三水铝石氧化铝回收率，碱耗和综合能耗，有很大的差距。

The main products are: calcium sulfate / calcium nitrate / calcium carbonate / copper sulfate / chloride, copper / zinc sulfate / nitric acid zinc / zinc chloride / potassium sulfate / potassium chloride / potassium bromide / potassium aluminum sulfate / potassium dihydrogen phosphate / 2 of potassium hydrogen phosphate / sodium bromide / sodium chloride / sodium nitrate / sodium fluoride / trisodium phosphate / sodium dihydrogen phosphate / disodium hydrogen phosphate / crystallization of sodium carbonate / anhydrous sodium carbonate / aluminum sulfate / nitrate aluminum / crystallization of aluminum chloride / aluminum hydroxide / nitrate Fe / hydrobromide / oxalic acid / boric acid / citric acid / barium chloride / Azone / magnesium sulfate / magnesium nitrate / magnesium chloride / ammonium chloride / ammonium sulfate / Bifluoride ammonium / ammonium aluminum sulfate / ferrous ammonium sulfate / ammonium dihydrogen phosphate / diammonium hydrogen phosphate / bromide / tetrabutylammonium bromide / chloride, nickel / nickel nitrate / sulfate nickel / cadmium chloride / cadmium sulfate / nitrate Cadmium / Cadmium Carbonate / Strontium / strontium nitrate / sulfuric acid manganese / manganese chloride / 50% manganese nitrate solution / stannous chloride / zinc chloride, such as crystallization of the four largest packing of chemical reagents AR and CP level.

主要产品有：硫酸钙/硝酸钙/碳酸钙/硫酸铜/氯化铜/硫酸锌/硝酸锌/氯化锌/硫酸钾/氯化钾/溴化钾/硫酸铝钾/磷酸二氢钾/磷酸氢二钾/溴化钠/氯化钠/硝酸钠/氟化钠/磷酸三钠/磷酸二氢钠/磷酸氢二钠/结晶碳酸钠/无水碳酸钠/硫酸铝/硝酸铝/结晶三氯化铝/氢氧化铝/硝酸铁/氢溴酸/草酸/硼酸/柠檬酸/氯化钡/氮酮/硫酸镁/硝酸镁/氯化镁/氯化铵/硫酸铵/氟化氢铵/硫酸铝铵/硫酸亚铁铵/磷酸二氢铵/磷酸氢二铵/溴化铵/四丁基溴化铵/氯化镍/硝酸镍/硫酸镍/氯化镉/硫酸镉/硝酸镉/碳酸镉/碳酸锶/硝酸锶/硫酸锰/氯化锰/50%硝酸锰溶液/氯化亚锡/结晶四氯化锌等大包装化学试剂的AR和CP级别。

Found that the constitution of the absorbent could affect the debinding efficiency greatly; for the liquid phase debinding temperature extent, the mechanism of the absorbent is capillary action, 100~200 screen mesh alumina powder had the best debinding efficiency at 130℃; for the gas phase debinding temperature extent, adding some active carbon to the absorbent could control the formation of the hyperoxide barrier lay, accelerate the mass transfer rate, also enhance the debinding efficiency; studied the relationship between the debinding efficiency and the shape of the green part and the solid load; furthermore, did trial study on the solvent debinding.

发现吸附剂的组成对脱脂效率有较大影响；在液相脱脂温度段，吸附剂的作用机制为毛细管作用，100~200目的氧化铝粉末在130℃时具有最高的脱脂效率；在气相脱脂阶段，在吸附剂中引入活性碳可以抑制不利于脱脂的过氧化物阻挡层的形成，加快气相在坯体中的传质速率，进而提高脱脂效率；研究了坯体形状尺寸和装载量等因素与脱脂效率的关系；还对溶剂脱脂进行了试探性研究。

The company plans to sell more in the immediate delivery market if prices rise, he said.

他表示，如果价格上涨公司计划在即刻交易市场上出售更多氧化铝。

The spraying done by manuel sprayer is even and fine with a long using life, It overcomes the, disadvantages of eas explosion and inflammability of the air-inserted type and of the harmfulness to the human body and the nature, The empty bottles of various shapes have theirs volumes from 50ml to 2000ml As for printing, the advanced international uv ink printing technique is with fresh colour and stability.

公司引进了世界先进的电脑控制注塑机组、吹瓶机、挤管机、混色机、四色彩印机、网印机及全套装配设备，并且有铝氧化着色，玻璃瓶成型、蒙砂、印字、先进表面处理的全套设备和先进技术及一流的模具、工艺技术。产品有手动式喷雾器，高档次的日化和医药塑料中空瓶包装，以及各式氧化铝瓶盖、化妆品用玻璃瓶等四大系列产品三百多个品种。

It is shown that the combination of this process with the interstage cooling in precipitation allows us to obtain, on a very regular basis, a consistent sandy alumina with the main following characteristics: Soda content lower tha.

分解过程增加中间降温装置后，分解产出率得以提高，生产出的砂状氧化铝苛性碱含量低于 330 0× 10 - 6，小于 45 μm的粒级低于 8%。

The split between the two groups can hardly be papered over.

这两个团体间的分歧难以掩饰。

This approach not only encourages a greater number of responses, but minimizes the likelihood of stale groupthink.

这种做法不仅鼓励了更多的反应，而且减少跟风的可能性。