1·We study the affection for the spectrophotometric method determination of sodium copper chlorophyllin in ratafee of all kinds of coefficiant of variation and obtain valuable results.
研究各种操作条件对分光光度法测定果酒中叶绿素铜钠的影响，得到了较有价值的结论。
2·The mixed juice of pumpkin, medlar and aloe was used to produce complex ratafee.