知識貝殼
知識貝殼
所屬欄目：英漢雙解生物學
A measure of the free acid pre-sent in fats,oils,resins,plasticizers,andsolvents,defined as the number of milligramsof potassium hydroxide required to neutralizethe free acids in one gram of the substance.測量脂肪、油脂、樹脂、可塑劑、溶劑中游離酸含量的值。其數值為中和 ......（本文共 229 字 ） [閱讀本文] >>