胶体中氢氧化钙相对含量与胶粒的大小成反比。

The relative contents of calcium hydroxide in the colloid are inversely proportional to the colloidal particle size.

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研究结果表明，所得的动力学表达式的计算值与实验结果吻合较好，反映了粉煤灰与氢氧化钙的火山灰反应的规律。

Kinetics characteristics and its expressions were (obtained). Comparison of calculated values with experiment values showed that kinetics expression precision was good.

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文摘：介绍了以单质碘为原料，在盐酸存在下，经氯酸钠氧化，再与氢氧化钙进行中和反应制备碘酸钙的方法，并做了最佳工艺条件和不同方法的对比实验。

Abstract: this paper describes a new preparation technique of calcium iodate. at the presence of hydrochloric acid iodine is oxidated by sodium chlorate and then reacts with calium hydroxide.

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