例句與造句

1. The extraction technology of carotenoid from arctium lappa l is under study in this paper , and the effects of factors like extraction temperature , extraction times , granularity of burdock dusts , and solid - liquid ratio on the extraction rate of carotenoid are examined through single factor and orthogonal experiment
   摘要考察了牛蒡中類胡蘿卜素的提取工藝，并通過單因素實(shí)驗(yàn)和正交試驗(yàn)研究了提取溫度、提取次數(shù)、物料粉碎粒度、料液比等因素對類胡蘿卜素提取率的影響。
2. It's difficult to find extraction temperature in a sentence. 用extraction temperature造句挺難的