"精确称取样品约多少克",实际上它的意思是先称取约多少克,然后精密称定。这种说法不精确,要是在语文考试中肯定是要扣分的,可是大家已经习惯这样说了。weigh accurately approximately的意思也是weigh approximately * g, then weigh accurately.
原来你这样偷懒!不过我今天翻USP29,发现的确在液体里用得多些,不过固体还是被我找到了。 USP29第700页:Digitalis Tablets Assay -Weigh accurately a portion of the powder,equivalent to not less than 20 Tablets.
mhq111111发表: 原来你这样偷懒!不过我今天翻USP29,发现的确在液体里用得多些,不过固体还是被我找到了。 USP29第700页:Digitalis Tablets Assay -Weigh accurately a portion of the powder,equivalent to not less than 20 Tablets.
mhq111111发表: 原来你这样偷懒!不过我今天翻USP29,发现的确在液体里用得多些,不过固体还是被我找到了。 USP29第700页:Digitalis Tablets Assay -Weigh accurately a portion of the powder,equivalent to not less than 20 Tablets.