Determination of free water for compound fertilizers is usually applied Karl Fischer method or vacuum oven method, a different extraction solvent can selected as Karl Frscher method is applied.

复混肥料中游离水含量的测定方法通常采用卡尔·费休法或真空烘箱法，用卡尔·费休法测定时又可选用不同的萃取剂。

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Aiming at the coke oven temperature characteristics of great inertia, pure time-delay, non-linear and time changeable, a fuzzy compound control method is proposed.

针对焦炉温度的大惯性、纯滞后、非线性和时变性等特点，提出了一种新的模糊复合控制方法。

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Finally a compound intelligent control system of coke oven was developed.

最后研究开发了焦炉加热的复合智能控制系统。

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