COMPENSATOR, a dual capacitor for changing the fuel gaging circuit capacitance due to changes in fuel density.

补偿器，在燃油计量电路中，用来改变电路上的电容，以与燃油密度改变所引起的电容改变相抗衡的双电容器。

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This instrument is based on definite weight, independent of fuel density, viscosity, impurities and ambient temperature.

本仪器采用定重量法，不受燃油密度、粘度、杂质含量、环境温度等影响。

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The result of study shows:On different height, fuel density with change of time, have a sluggishness at first, then the density rises rapidly.

研究结果表明：在不同的高度上， 燃料浓度随着时间的变化，先有一个迟滞期，然后浓度迅速升高。

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Instead of being stored in batteries, the electricity made by solar panels can be used to split water into oxygen and hydrogen molecules, the latter of which can be used as a fuel with high energy density.

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Viruses actually need population density as fuel.

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Chu conceded that oil is a unique fuel, pairing high energy density with ease of transport.

FORBES: Energy Sec Chu Says Global Warming Is Real; Nat Gas Will Be Bridge Fuel