Benzyl butyrate was synthesized by using potassium bisulfate as the catalyst.以硫酸氢钾为催化剂,丁酸和苄醇为原料合成丁酸苄酯.Isoamyl butyrate was synthesized by using potassium bisulfate as the catalyst.以硫酸氢钾为催化剂,正丁酸和异戊醇为原料合成了正丁酸异戊酯.Isoamyl bu...
Isoamyl butyrate was synthesized by using ceric sulfate as the catalyst.以硫酸高铈为催化剂,正丁酸和异戊醇为原料合成了正丁酸异戊酯.Isoamyl butyrate was synthesized by using gallium sulfate supported on silica gel as the catalyst.以自制的硅胶固载硫酸镓为催化剂,正丁酸和...
顾客们知道我们的清仓大甩卖是实实在在的全场降价。Customers know that our stocktake sales offer genuine markdowns across the store.买衣服是最划算的，许多衣服都降价了。Clothes are the best bargain, with many items marked down.零售商将不得不为了提高销量而大幅降价。Retailers will have ...
Dr Dunn was apparently trying to get away when he was shot.很显然，邓恩博士在遭枪击时正企图逃跑。Robert Dunn is a professor of economics at George Washington University.罗伯特·达恩是乔治·华盛顿大学经济学的教师。Mr Dunn's pleas of poverty are only partly ...
调查人员说有近10万美元汇入了嫌疑人的银行账户。Investigators say nearly $100,000 was wired into the suspect's bank accounts.一架大型客机在飞近希思罗机场时差点儿发生空难。An airliner came close to disaster while approaching Heathrow Airport.我们近60%的订单来自于回头客和熟人介绍。...
A container experiment was conducted to study clonal integration of stoloniferous Fragaria vesca under light heterogeneity.通过盆栽实验,研究了匍匐茎草本野草莓在异质性光照条件下的克隆整合....