The article presents a simultaneous determination method for three kinds of water-soluble dyes: acid red, acid brown and acidblack by solving simultaneous equations using a UV-VIS spectrophotometer.
Unfortunately, these black smokers are very acid, which prevents amino-acid stabilization, and thus the formation of organic molecules.
但是因为上述黑烟囱都呈酸性，因此不利于氨基酸的稳定与有机分子的形成。
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For a classic look, pair a black jacket (like Sarah Jessica Parker's velvet number) with dark denim or a bright white tuxedo design (like Gwyneth Paltrow's) with a lighter or acid-washed pair.