Isinglass is a very pure form of collagen, and it is the long, stringy collagen molecules that help speed up the natural sedimentation process by attracting the molecules of yeast.
鱼胶是一种非常纯净的胶原蛋白形式，是长长的线状胶原蛋白分子，能吸收酵母分子，有利于加快自然沉降过程。
To get pure hydrogen from water or natural gas, you have to use a purification process that requires lots of energy that's obtained by burning coal or oil.
如果要从水或者天然气中获取纯氢，那么你就必须警醒能量消耗巨大的提纯。这种提纯过程所使用的能量则是来自于燃烧煤或者石油。
Both natural science and pure natural force are a pair of important categories in the process of value increment from the perspective of economic philosophy.
从经济哲学的视角看，自然科学和单纯的自然力是价值增殖过程中的一对重要的范畴。
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