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Furthermore , five millilitres of the mushroom extract was found to be more effective than addition of a vitamin c salt at a level of 500 ppm or vitamin e at the same levels .

此外，添加5毫升金针菇提取物比在500ppm水平下添加维生素c或维生素e来得更有效。

A canadian study previously showed that drinking 350 millilitres , or just one can of soda , a day lowers the ph of the esophagus to less than four for 53 minutes .

加拿大之前的研究表明一天饮入350毫升或者一罐碳酸饮料会降低食道的酸碱度，53分钟内酸碱数值低于4。

If the bacteria behaved in the same way in a litre of culture medium as they did in the 25 millilitres of medium used in the experiment , they would make just over 900 ml of hydrogen in 48 hours - the time taken for the experiment .

如果蓝杆菌在每升培养液中的表现如同它们在25升实验所用的介质一样，它们48小时内就能产生900毫升氢气。