萃取級數 的英文怎麼說
中文拼音 [cuìqǔjíshǔ]
萃取級數
英文
extraction stage- 萃 : Ⅰ動詞[書面語] （聚集） come together; assemble Ⅱ名詞1 [書面語] （聚在一起的人或事物） a gathering...
- 取 : Ⅰ動詞1 （拿到身邊） take; get; fetch 2 （得到; 招致） aim at; seek 3 （採取; 選取） adopt; assume...
- 級 : Ⅰ名詞1 （等級） level; rank; grade 2 （年級） any of the yearly divisions of a school course; gra...
- 數 : 數副詞（屢次） frequently; repeatedly
- 萃取 : [化學] extract; extraction
- 級數 : [數學] progression; series; number of stages; number of steps; stage number級數變換 transformatio...
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Antimicrobial effect of the bacteriocin produced by r21 - 4 is studied in the food systems. the results show that the conspicuous antimicrobial effect in the preservation of fresh milk. the samples were stored under 37 and the bacteria concentration in the sample with bacteriocin was 3 - 5 order less than the sample without bacteriocin
考察了r21 - 4產生的細菌素用有機溶劑萃取制備的方法及其在食品中的防腐效果，結果表明，細菌素在消毒鮮牛奶的保藏中具有明顯的防腐效果，樣品添加細菌素在37保存24h - 48h后與對照相比細菌總數相差3 - 5個數量級，防腐效果顯著。
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