研究了用紫外分光光度法测定焦性没食子酸含量的一种新方法.An UV - spectrophotometry determination method for pyrogallic acid content was studied.目的测定铁苋菜中没食子酸的含量.Objective To determine the content of gallic acid in Acalypha australis L.目的:建立高效液相测定珠子肝泰...
Lovelock eased back the throttles and the ship steadied.洛夫洛克慢慢地拉杆减速，船稳了下来。Somehow she steadied herself and murmured, "Have you got a cigarette?"她设法让自己镇定下来，并小声问：“你有烟吗？”Chin steadied herself with one hand on the desk.琴向后退了...
Ben is a fairly good runner, he wins more often than not.本是个相当不错的赛跑选手, 他常常跑赢.More often than not she misses the bus.她经常赶不上这班公共汽车.More often than not the patient recovers.病人多半能恢复健康....
Substances conveying plant resistance to insects include inorganics, primary and intermediary metabolites and secondary substances.给予植物抗虫性的物质包括无机物, 初始、中间代谢物和次生物质.Now, a living language has been found that can play the sa...
This loss, termed quenching , may arise in two ways.此种损失称为淬火, 呈两个方面.Quenching agents could be particularly effective in combination with ultraviolet absorbers.猝灭剂与紫外线吸收剂并用时效果更为突出.To respond to quenching, the carbon conte...
The guy hogged the whole park bench.那个人占着整张公园长椅.The cat hogged himself to attack a big dog.那只猫拱起背向一条大狗发起了攻击.The police revoked his driving licence, because he hogged.他因横冲直撞地驾车,被警察吊销了他的驾驶执照....