The mechanism of production and the hazard of the acid waste water from all kinds of sulfurous mines are studied in this paper.

讨论了普遍分布的各种含硫矿山所排放的酸性废水的产生机理和对水质产生的环境危害影响。

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It's then processed using lactic acid, the waste product produced by bacteria in the meat.

然后，要用乳酸，这种由肉里的细菌产生的废料，继续加工。

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Experts believe the high fruit sugar, or fructose, content of juice causes uric acid - a waste product in the blood - to leach into joints, causing them to become swollen and very painful.

专家认为，高果糖、果糖或果汁所含物质会产生血液废弃物—尿酸，尿酸会渗透到关节中，让关节肿胀，伴有疼痛感。

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The peak of her green interest was in the late 80s - a time of bubbling media coverage of acid rain, climate, waste and rainforest destruction.

BBC: Margaret Thatcher: How PM legitimised green concerns

Turns out that a vegan diet is the one mostly likely to contain natural antioxidants and minerals that neutralize waste products like lactic acid.

FORBES: In Praise Of (Mostly) Vegan Diets