他的皮肤被涂上了一层油脂和松香制成的混合物，并浸泡在一种泡碱溶液里。这种泡碱是在埃及干涸的河床上发现的一种矿盐。

His skin was covered in a mixture of oils and resins and bathed in a solution of Natron, a salt found in dried-up river beds in Egypt.

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虽然有很高的毒性，但这种植物也是有好处的，莨宕碱和东莨菪碱等化学制剂都从中萃取。

While this is a highly toxic plant, it also has its benefits. The medical alkaloids atropine, scopolamine, hyoscyamine, hyoscine, and belladonna also come from this plant.

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尤为严重的是碱法制浆产生的麦草碱木素由于水溶性和表面活性差而难以在工业上得到广泛应用，从而造成对环境的严重污染。

It is difficult for alkali lignin of wheat straw produced by alkaline pulping to be widely used in industry because of its poor solubility and surface activities.

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Often it's a salt called phosphocholine and so you get a phospholipid that's made of choline and two lipid chains.

它通常是一种叫磷酸胆碱的盐,这样你就得到了一种,由胆碱和两条脂肪链构成的磷脂

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The native structure is this double stranded structure here and if I heat it up slightly and I add some base, so under slightly basic conditions, these molecules will fall apart because you've created conditions where the hydrogen bonding is no longer favorable so they peel apart.

原始结构,在这里就是指DNA双链,如果我稍微加热,并且加入一些碱,在弱碱性的条件下,这些配对碱基会分开,这是因为在一定条件下,碱基对之间的氢键,不再稳定并且会断裂分开

耶鲁公开课 - 生物医学工程探索课程节选