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10 天
双语新闻丨中非贸易助力“非洲咖啡”速达中国
Five years ago, it would take at least three months for African coffee beans to be transported to China. Now, it can be achieved in one month or less, according to Jing Jianhua, a man who has been eng ...
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26 天
Nisin 是由一组 革兰氏阳性菌产生的细菌素 |MCE
存储条件:Protect from light.Powder: -80°C, 2 years; -20°C, 1 year.In solvent: -80°C, 6 months; -20°C, 1 month. 生物活性: Nisin 是由一组属于 Lactococcus 和 Streptococcus 的革兰氏阳性菌产生的细菌素。 体外:乳链菌肽被归类为 A (I) 型羊毛硫抗生素,由 ...
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