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The oxide content and surface acidic groups determine the surface chemical property of carbon black.
炭黑的氧含量、表面酸性含氧基团决定了炭黑的表面化学性质。
The proximate analysis, ultimate analysis, inorganic oxide content and surface acidic or basic groups content were carried on for raw semi-coke and the activated semi-coke samples.
水热化学改性造成改性半焦表面酸性含氧官能团挥发，提高了表面碱性官能团含量；
Nitrosamines are formed in acidic conditions, such as those afforded by stomach acid, but vitamin C inhibits their formation, by converting nitrite to nitric oxide.
亚硝酸盐存在于人类的唾液和某些特定食物保护剂中，它们能转化为致癌物质亚硝胺。亚硝胺主要在酸性环境中形成，例如胃酸条件下。
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