在皂土硝酸盐催化下， 甲苯能被浓硝酸对位选择性硝化，对邻硝化产物比率达1．0以上。
Catalytic nitration of toluene occurs by use of nitric acid in the presence of bentonite metal nitrates with useful para selectivities, up to a para to ortho ratio 1.0.
研究了硝硫混酸配比、硝化反应时间、还原反应温度、还原反应时间等因素对产物收率的影响，该工艺具有生产成本低，产品质量稳定，收率高的优点。
Factors including ratio of mixed acid, nitration time, reduction temperature and reduction have been investigated, this process exhibits the advantage of low cost and high yield.
蛋白质酪氨酸硝化是一种重要的蛋白质翻译后的选择性修饰，其产物3 -硝基酪氨酸可以作为检测细胞和组织损伤的一个生物标志。
Protein tyrosine nitration is an important selective post-translational modification, and the product, 3-nitrotyrosine, has been utilized as a biomarker of tissue and cell injury.
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