我们用气相层析法来测定各种谷物的水分.We use gas chromatography for moisture determination in a number of grains.酶反应产物用硅胶柱层析法提取,可以得到高纯度的异槲皮甙.The purity of isoquercitrin was isolated with a gel column.提出了一种干柱层析法 分离提纯 试剂对氨基偶氮苯的新方法.A new meth...
Jars of mixed pickles contain gherkins and pieces of cauliflower as well as onions.混合泡菜坛子里装有黄瓜、菜花片和洋葱.Divide the cauliflower into florets and wash them thoroughly.把菜花掰成一块块小花,然后仔细把它们洗干净.Break the cauliflower into florets....