The linear glucan molecules of cellulose are bound together by hydrogen bonds.纤维素中直链葡聚糖分子由氢键连接在一起.Eugenol acidtannic acid showed over 40 % inhibition effect to soluble glucan.对水不溶性葡聚糖和水溶性葡聚糖合成抑制的效果相对都比较好的是丁香酚、胡椒碱、茶多酚.Obj...
Bookkeeping is a sedentary occupation.会计是一种需要坐着工作的职业.The company does some things in archaic ways, such as not using computers for bookkeeping.这个公司有些做法陈旧, 如记账不使用电脑.This practice , which is seldom followed, requires extra...