seed crystal

Sodium acetate, the chemical found in many hand warmers, will suddenly crystallize if you prepare a saturated solution and pour it onto a seed crystal.

一种在加热装置用很容易找到的化学物质乙酸钠，如果将他倒入一个准备好的晶种，将会在饱和溶液中迅速的凝结。

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Comparing the products which were prepared by evaporation and by adding seed crystal and solution of ammonium tungstate at the time of evaporation, we found that the latter was ammonium paratungstate containing 5 molecular of crystal water which was more integrate, thicker and purer.

通过对比蒸发法与在蒸发法中添加晶种和钨酸铵溶液制备的仲钨酸铵产品，结果表明后者制备的晶形更完整、颗粒较粗，且是纯度更高的5水仲钨酸铵。

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Discussions on Action Mechanism of Crystal Seed in Fly Ash-Alkali Cementitious Material

粉煤灰-碱胶结料中晶种作用机理的探讨

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Effect of additive crystal seed on burnability of Portland cement raw meals

添加晶种对硅酸盐水泥生料易烧性影响的研究

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Discussion on Mechanism of Seed Crystal Conversion of Ammonium Process Red Iron Oxide

氨法铁红晶种转化机理探讨

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The pulp is crystal white, with a large seed inside.

它的果肉是晶莹剔透的白色, 里面有一颗很大的种子.

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This crystal may seem unremarkable, but so is the seed of a redwood tree.

这些水晶毫不起眼, 但是红杉的种子也微不足道.

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This paper studies magnetic reinforcing action on seed crystal digestion of sodium aluminate solution.

研究了磁场对氧化铝厂拜耳法铝酸钠溶液种分分解的强化作用.

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A self-fastening method is introduced by which a cleat-shaped seed crystal is fixed in the swallow-tailed groove.

本文介绍一种在提拉法中使用的晶种劈形自紧固方法。

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