By the carbonification degree in the concentrated sulphuric acid, the mineral wax, such as paraffin wax added can be determined.
根蜂蜡中的烃类在浓硫酸中可，加入的石蜡等矿物蜡不来测定此类掺杂物。
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The FDA regulates supplements for adulterants and to make sure that you're actually getting what you're supposedly paying for.
美国食品药品监督管理局（FDA）剂进行监管，以确保其不含掺杂物，并保证消费者实获得所支付的产品。
Defects, but you can intentionally replace a silicon atom with, say, a phosphorus atom, and then you can change the number of free electrons that are in a region of space that has that excess of what are called dopants.
缺陷， 但你可以有意用磷子替子，然后你可以改变该区域中自由电子的数量， 这个区域有过多的所谓掺杂物。
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划词翻译
详细解释
蜂蜡中的烃类在浓硫酸中可
，加入的石蜡等矿物蜡不
剂进行监管，以确保其不含
获得所支付的产品。
子替
