It emphasizes preconditioning (p), refiner chemical treatment (RC), and proper distribution of bleaching reactions between the two after the chips being chemically impregnated.

主要包括木片的预处理(P)、盘磨化学处理(RC)及木片经预浸后漂白反应在两者之间的合理分配等。

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The changes in chemical and phase composition of spinel in the grain and matrix of specimens after high temperature treatment have also been investigated.

分析了试样经高温处理后基质和颗粒中的尖晶石相组成及化学成分的变化规律。

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Presents the operation maintainance, leakage checking and treatment of the ammonia stripping tower of Jianfeng Chemical Fertilizer plant after leakage happened, and analyzes reasons for the leakage.

介绍建峰化肥厂氨汽提塔泄漏后运行维护、查漏、处理的情况，并对泄漏做出原因分析。

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