0 any of various usually liquid substances that can react with and sometimes dissolve other materials -- 酸
acetic/hydrochloric/lactic acid 醋酸／盐酸／乳酸
Vinegar is an acid. 醋是一种酸。
1 slang for LSD (= an illegal drug that makes people see things that do not exist) -- 迷幻药，致幻剂
2 containing acid, or having similar qualities to an acid -- 酸的；酸性的；酸味的
3 used to describe a remark or way of speaking that is cruel or criticizes something in an unkind way -- 尖酸的；尖刻的，刻薄的
Pour exactly 100 ml of sulphuric acid into a measuring cylinder.
Below pH 6.5 is acid, above pH 7.5 is alkaline.
phosphoric acid
Therefore, a separation between sugars and organic or silage acids was needed.
Is the synthesis of rumen bacterial protein limited by the availability of pre-formed amino acids and/or peptides?
Thereby, a continuous supply of urea and amino acids to an open reaction system would be expected to overcome this limitation.
