报道一种快速检测冰箱除臭器对乙硫醇驱除效率的气相色谱分析方法.A gas chromatographic method to quickly test the efficiency of refrigerator deodorizer in eliminating ethanethiol paper....
Only a uniformed guard stultified with boredom might have overheard them.只有一名穿制服的无聊警卫可能偷听到了他们的谈话。One day, however, a Nashville songwriter named David Chase overheard Hill singing in the office.然而一天, 纳什维尔当地一位叫戴维·切斯的写歌人碰巧听...
眼睛对光起反应.The eye reacts to light.高度活性和非定域的电子应该能够与光子起反应.Highly reactive and delocalized electrons would react with photons.它们能和许多金属起反应,生成盐并放出氢.They react with many metals to form a salt and give off hydrogen....
将蔬菜削皮或切片时用它来固定。It holds vegetables in place while they are being peeled or sectioned.将芒果削皮、去核、切丁。Peel, stone and dice the mango.她小心翼翼地削皮。She peeled it with exquisite care....
Consequence : the extraction rate of arecoline raises obviously.结果槟榔碱的提取率明显提高.The aim was to establish the detection method for the Arecoline hydrobromide content.考察建立氢溴酸槟榔碱含量的测定方法.Method: with the microwave extraction t...