总铁离子（Fe +Fe ）Total Amount of Iron Ion（Fe2++Fe3+）1 次/半小时 once / half an hour 酸浓度 Acid concentration 5.3.5、水冲洗 Water Flushing： 、 ： 酸洗结束后，排尽酸洗液，用一级脱盐水（氯离子小于 0.1ppM）进行冲洗，除去残留 的酸洗液...
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... acceptor concentration 受主浓度 acid concentration 酸浓度; 酸浓缩 acoustic concentration 声集中 ...
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decrease of acid-concentration 酸浓度的减少
maximum acid concentration 最大酸度
Nitric acid concentration 溶液浓度
Lactic acid concentration 乳酸浓度
nitric acid concentration tower 硝酸浓缩塔
Sulfuric Acid Concentration 硫酸浓度
volatile acid concentration 挥发 ; 挥发性酸浓度
After acid has been concentrated phosphoric acid concentration.
稀酸经过浓缩得到浓磷酸。
Tannometers: Used to determine the tannic acid concentration of tanning solution.
制革计：测定制革溶液单宁酸的浓度之用。
The results of acid wash with different acid concentration, reaction time and acid temperature were discussed.
主要考查了酸溶液的浓度、反应时间及酸溶液的温度等因素对灰份去除结果的影响。
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