简介:本文利用付里叶变换红外先谱仪的差示光谱功能,对叶面保效剂的光谱进行差减,得到了很好的单一组分的红外先谱图,从而,鉴定了叶面保效剂的成分.
简介:Thefoodpolicemayfindthishardtotake,butchocolatehasgottenabadrap1.Peoplesayitcausesacne2,it’sjunkfood.Buttheseaccusations3arenotonlyundeserved4andinaccurate,theyfalselyincriminate5adelicious