在这10年之间, 铁路运货车厢有了冷藏和加温设备, 以保存容易变坏的产品.But during that decade, railroad cars were refrigerated and heated , helping preserve perishable goods.防止啤酒变坏的主要方法是用纯酵母菌株发酵.The principal methods of avoiding spoilage are the use of p...
可口可乐33厘升. 罐装,在瑞典交货.Coca Cola 33 cl . Cans with sticker in swedish text delivered to Sweden.厘升容积的公制单位,等于百分之一升 ( 10 - 2 )A metric unit of volume equal to one hundredth ( 10 - 2 ) of a liter.标准葡萄酒瓶的容量为75 厘 升.The standard wi...
研究了用紫外分光光度法测定焦性没食子酸含量的一种新方法.An UV - spectrophotometry determination method for pyrogallic acid content was studied.目的测定铁苋菜中没食子酸的含量.Objective To determine the content of gallic acid in Acalypha australis L.目的:建立高效液相测定珠子肝泰...