考察了不同碳链长度的胺类捕收剂对异极矿石英白云石和褐铁矿浮选行为的影响讨论了胺的碳链长度对捕收异极矿的影响。
A series of experimental studies were made on the effect of amide collectors with different length of carbon chain on flotation behaviors of hemimorphite quartz dolomite and limonite.
电气石的异极对称结构导致了其独特的电学性质——永久性自发电极性，表现为电气石微粒周围自发电场的存在。
Tourmaline with polar asymmetry structure has its particular electric characteristics-spontaneous polar electricity, which show as electrostatic electric field existing around mineral particles.
记者：如果异极相吸，你认为你妈妈看到了你爸爸的什么优点？
Reporter: Given that opposites do attract, what do you think it was that your mother saw in your father?
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