Objective : To establish a method for determination of Irone in Iris tectorum.目的: 建立鸢尾原料中鸢尾酮含量的分析方法.Irone was obtained through three steps reactions with citral and acetone base catalyst to give pseudoionone.采用山苍子油提取得到的柠...
The basin favours the development of farming and animal husbandry.这个盆地有利于农业和畜牧业的发展.The water was even with the rim of the basin.盆里的水与盆边平齐了.She tipped the flour into the basin.她把面粉倒进盆里....
股票的价值在某一特定的时期内会有涨跌。Over a given period, the value of shares will rise and fall.客户被告知保险单到期时的价值。Customers are told what their policies will be worth on maturity.她需要重新认识到自我的价值。She needs to regain a sense of her own worth....
Last week we visited Lu Xun's Memorial Hall.上星期我们参观了鲁迅纪念馆.Many people are now speculating whether we will demolish the Memorial Hall.现在世界上都在猜测我们要毁掉纪念堂.The memorial hall was built one year after his death.他死后一年,纪念馆建成...
He was a great entertainer but going insane.虽然他还是那样善于逗趣,但他的神经显然越来越不正常了.The entertainer didn’t fool us with his conjuring.那个艺人变的戏法没有骗到我们。He an entertainer who impersonates celebrities at night clubs.他在夜总会表演名人模仿秀.The engag...