According to this relationship a relative coefficient can be determined for every item of the charge. These coefficients can be used to simplify the charge mixture calculation.

根据比例关系，可以为每种炉料确定一个相对系数，利用这些相对系数可以简化配料计算。

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Then they measured the capacitance (the ability to hold an electric charge) of 4, 000 different positions to pinpoint the ideal mixture.

ECONOMIST: Combinatorial chemistry

Each bead is doped with a mixture of chemicals that become electrically charged in response to odour molecules and that charge alters the colour of the dye.

ECONOMIST: Wine-tasting will never be the same again