Nanosized-pseudoboehmite powder was prepared by the carbonation method from sodium aluminate solution and carbon dioxide in a rotating bed with helix channels.
以偏铝酸钠溶液和二氧化碳气体为原料，采用螺旋通道床超重力碳分法制备纳米拟薄水铝石粉体。
In order to further investigate precipitation mechanism of alumina hydrate from sodium aluminate solutions, thermodynamic properties of the process was analyzed.
为了更深入地认识从铝酸钠溶液中析出水合氧化铝过程的机理，从热力学角度对该过程的行为进行了探讨。
Carbonating process in sodium aluminate solution has been studied by in-situFTIR spectroscopy. Oscillation phenomenon and nonreproducibility have been observed in IRspectra.
利用FTIR 光谱仪原位跟踪了铝酸钠溶液的碳酸化过程，观察到该过程的红外光谱呈现振荡现象和非重现性。
The effects of long fatty acid collector on the structure of sodium aluminate solution was studied with plastics sheets attached water as the background of infrared spectrum.
本文采用膜加水的制样方法，测定长烃链脂肪酸型捕收剂存在下的铝酸钠溶液红外光谱，研究了其对铝酸钠溶液结构的影响。
A solvent flotation-gas chromatography for the determination of sodium stearate in sodium aluminate solution in aluminium hydroxide production by the bayer process was studied.
研究了拜尔法生产氢氧化铝过程中，用溶剂浮选-气相色谱法测定结晶助剂有效成分硬脂酸钠的方法。
The complexity of the decomposition process of sodium aluminate solution seeds lies in the fact that the structure of aluminate anions changes with the concentration of the solution.
铝酸钠溶液种分过程的复杂性在于铝酸根阴离子结构随浓度变化的复杂性。
The particle size distribution and attrition index of continuous carbonization products from sodium aluminate solution were studied according to the industrial production conditions.
模拟工业铝酸钠溶液连续碳酸化分解条件，对分解过程不同阶段产物氢氧化铝的粒度、磨损指数和结晶形貌的变化进行了研究。
The influence of a series of polymers with active groups including polyalcohols, polyamide and polysaccharide on the seed precipitation of sodium aluminate solution was investigated.
研究了聚醇、聚酰胺和聚糖等一系列含有活性基团的聚合物对铝酸钠溶液种分过程的影响。
The results show that the existing of potassium ions in sodium aluminate solutions cannot markedly affect the activation energy of crystal growth but can change the crystal growth rate.
结果表明，钾离子的存在改变了晶体的长大速率，但并没有显著改变种分反应活化能。
It has been proved that colloid units belong inorganic high polymer solution. The structure of network high polymer is why silicon dioxide containing sodium aluminate solution is stable.
说明含硅铝酸钠溶液中存在大分子的胶性基团，属于无机高分子溶液，这种网络状“大分子”结构是硅铝酸钠溶液稳定的原因。
The proposed method has been applied to the analysis of sodium aluminate samples from alumina factory, and to the analysis of some similar samples. The results obtained are satisfactory.
方法用于氧化铝生产工艺中碳分、种分、蒸发母液及类似样品中微量铷的快速分析。
Seed precipitation of sodium aluminate solution is a key process for the industrial alumina production by using the Bayer process, which has a significant effect on the yield and quality.
铝酸钠溶液的晶种分解是拜耳法生产氧化铝工艺中的关键工序，对氧化铝的产量和质量有着直接的影响。
Sodium aluminate solution is purified and is seed-precipitated with addition of super-fine alumina with high activity to prepare super-fine and high-purity aluminum hydroxide and alumina.
净化铝酸钠溶液加入自制高活性超细氢氧化铝晶种进行种分分解、制备超微细高纯氢氧化铝和氧化铝。
On the basis of enormous statistical analysis, the author contributes an empirical formula for the purpose of facilitating the computation of the specific gravity of sodium aluminate solution.
本文在大量统计分析的基础上提出了一个计算铝酸钠溶液比重的经验公式。
Considering the enhancement of alumina production process, key research topics about the structural characters and decomposition mechanism of supersaturated sodium aluminate solution are put forward.
围绕强化氧化铝生产中铝酸钠溶液分解过程的目的，提出了铝酸钠溶液结构性质与分解机理研究的重点。
Supported molten salt membrane is made from a new kind of ceramic material (lithium meta-aluminate) and ternary eutectic mixture of lithium, sodium and potassium carbonates.
支撑熔盐膜由一种新型陶瓷材料(偏铝酸锂)和锂、钠、钾的三元最低共熔点混合物制成。
Supported molten salt membrane is made from a new kind of ceramic material (lithium meta-aluminate) and ternary eutectic mixture of lithium, sodium and potassium carbonates.
支撑熔盐膜由一种新型陶瓷材料(偏铝酸锂)和锂、钠、钾的三元最低共熔点混合物制成。
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