Room temperature ionic liquid is a kind of liquid that has special properties, including low melt point, high conductivity and negligible vapor pressure. It has been used in many fields.
室温离子液体是一种具有特殊性质的液体，具有较低的熔点、良好的导电性和可以忽略的蒸气压等优点，已被应用到诸多领域。
These parameters can be recommended for the purpose of practical vapor liquid equilibrium calculations over the wide range from low pressure to ordinary pressure.
这些参数，可在低压至常压的广阔范围内的实际气液平衡计算中使用。
The Soviet RORSAT radar satellites were powered by a NaK-cooled reactor. Apart from the wide liquid temperature range, NaK has a very low vapor pressure, important in the vacuum of space.
相当大的温度范围内仍然是液态，此外，钾钠合金蒸气压非常低，这一点在真空条件下显得尤为重要。
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