一种褐藻胶寡糖,其特征是把它用作 抗 衰老和 抗 痴呆的药物.The present invention features the application of algin oligosaccharide in medicine for treating anti - senility and anti - dementia.褐藻胶裂解酶能裂解褐藻胶制备寡糖, 是一种重要的工具酶.Alginate lyase can degrade a...
Anhydrous nitric acid is dissociated.无水硝酸是电离的.In some ways, anhydrous ammonia is just as safe to handle as gasoline.在某种程度上说, 无水氨使用起来与汽油一样安全.The invention relates to a novel method of preparing anhydrous crystalline malti...
她用大面额钞票的现金支付。She paid in cash, in bills of large denominations.我要2张面额50元的礼券.I will take two of twenty five dollars gift certificates.她钱袋里有几张大面额钞票.She had several large bills in her pocketbook....
Economize in order to make one's money spin out until next payday.节省花钱以维持到下一次发薪.It's the payday, for he has brought home a stout volume from a secondhand bookstore.今天发工资, 所以他从旧书店里抱回来一厚册书.This'll be the big...