NAC：硝酸浓度

在学术及化学研究领域，“Nitric Acid Concentration”常缩写为NAC，以便于快速记录和日常使用。其对应的中文释义为“硝酸浓度”，广泛应用于化学实验、工业生产和科学文献中。

In the process of nitration, the synthesis temperature and the nitric acid concentration was tested.
采用调整反应温度和硝酸浓度(NAC)等因素对硝化反应进行了探讨；
The effect of aqueous nitric acid concentration, extractant concentration and temperature on distribution ratio has been investigated.
讨论了在不同稀释剂中硝酸浓度(NAC)、萃取剂浓度及温度对D（U（Ⅵ））的影响。
The effects of nitric acid concentration, rare earth concentration, the other main salts concentration and temperature on the ultrasonic wave velocity in the simulated high-level liquid waste are studied.
实验研究了硝酸、稀土元素和其它主要盐份的浓度以及温度对模拟高放废液中超声速度的影响。
The distribution coefficients of Sr (ⅱ) were also measured-for the same system as a function of nitric acid concentration and extractant concentration.
并以Sr（Ⅱ）为裂片元素代表，测定了萃取剂浓度和酸度与分配系数的关系。
With the increase of nitric acid concentration, high levels of nitric acid can oxidate the unstable carbon molecules of carbon surface, make the oxygen groups of carbon surface be destroyed, thereby the activity of the catalyst was reduced.
而随着硝酸浓度(NAC)的增加，高浓度的硝酸会氧化活性炭表面的不稳定碳分子，使得活性炭表面的一些含氧集团被破坏，从而降低了催化剂的活性。

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