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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Both the fuel density and cooling capability are increased with the use of slush hydrogen and so the size and weight of the vehicle can be significantly reduced.

与之相比，氢浆提高了密度和热沉，显著地减小了飞机的体积和重量。

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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.

WHITEHOUSE: Engage and Connect

Viruses actually need population density as fuel.

CNN: Tracking deadly viruses' spread from animals to humans

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