1) low added acid concentration
低的酸添加浓度
2) high added acid concentration
高浓度的酸添加剂
4) additive content
添加剂浓度
1.
The quantitative analyzing method of lubricant additive content of aluminum rolling oil was studied, according to the acetic anhydride acetylation in condition of perchloric acid as catalytic agent at temperature of 40 ℃, which the relative standard deviation is less than 3.
采用高氯酸催化乙酸酐乙酸法来定量分析铝材轧制工艺润滑油添加剂浓度，其测试条件为温度４０℃，以高氯酸作催化剂，乙酸酐与轧制油中脂肪醇进行乙酸化反应。
5) low-enriched
低加浓的
6) supplemental additive concentration
辅助添加剂浓度
补充资料：低都儿低
1.低而又低，很低。
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条