Some drugs such as sulfa, Phenylbutazone, on the ammonia acid, thiourea, etc. , can hinder the decomposition of thyroid hormone.
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The manufacture process of nicotinic acid based on ammonia oxidation method, which is introduced in this article, reached 99% conversion of 3-methyl pyridine.
本文介绍的基于氨氧化法生产烟酸的工艺，选择了适当的复合催化剂，使原料3-甲基吡啶转化率可达99％，技术水平达到国外先进水平。
Purpose: Studies the removal effect on ammonia nitrogen, nitrous acid nitrogen, CODMn and turbidity during immobilized nitrobacterias pilot experiment, and provide reference for the actual project.
目的分别研究小试中试条件下固化硝化菌对氨氮的去除效果及相关参数的选择，为实际工程提供参考。
The relative molecular mass of the resultant PPTA pulps can be improved by the addition of ammonia as the acid accepted agent and it has no influence on other properties.
而液氨的加入也有利于提高PPTA浆粕的相对分子质量，但对浆粕的其它性能没有任何影响。
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