When the researchers served these coffee extracts to cultured human stomach cells, the cells jacked up acid production.

当研究人员用这些咖啡提取物与体外培养人体细胞发生反应时，这些细胞会提高酸的生成量。

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This subject aims at the endemic feature of southwest area, USES locally produced raw material, PISP's Titanium slag, to make up acid proofing Alkali Titanium slag -cinder concrete.

本课题针对西南地区的地方性特点，就地取材利用攀枝花钢铁公司的工业废渣，配制出具有良好耐酸雨腐蚀性能的碱钛渣—矿渣混凝土。

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Running up to an acid semitonal acciaccatura in both hands, the piano goes over into a sprint of octave-chords and single notes.

钢琴的两只手以半音阶短倚音向上，转变成八度和弦和单音符。

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You know, you mix acid and base together and the thing heats up like crazy, right.

你知道，当你把酸和碱混合起来时,这东西会像疯了一样地变热。

麻省理工公开课 - 热力学与动力学课程节选

There are more than 20 amino acids that make up the biological polymers called proteins, so there are 20 choices of each amino acid at a position on a protein.

而那些称为蛋白质的生物活性多聚体,是由二十种不同氨基酸所构成,因此每个蛋白质的,任意位点都有多达二十种氨基酸可供选择

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The fascinating part about this layer is that it solves the problem for phospholipids about how to exist in water when half of you wants to be in oil, and that the water soluble part of the top leaflet here, of the top points up into the water, and the fatty acid chains point down.

这层膜的迷人之处在于,它解决了磷脂,如何存在于水中和油脂中的问题,水溶性的顶端部分,向上插入水中,而脂肪链则指向下

耶鲁公开课 - 生物医学工程探索课程节选

They can spitting up acid that corrode armors and such.

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Gout is a particularly painful condition, consisting of a build-up of uric acid crystals (or urates) in the joints.

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Another possibility is that they get flushed up by the acid reflux.

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