unit mass中文什么意思

例句与用法

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1. The specific heat of a material is the amount of heat that must be added to a unit mass of the material to raise its temperature by 1 degree .
   物质的比热容是使单位质量的物质温度升高1度所须加给的热量。
2. Energy absorbed per unit mass of the material
   单位质量物质吸收的电离辐射能量。
3. Method of test for unit mass and air content of fresh concrete by mass method
   用质量法测试新浇铸混凝土的单位质量和空气含量的试验方法
4. It is a physical quantity to measure radiation energy absorbed by unit mass of materials
   它是量度物质受到电离辐射照射后，吸收能量多少的一个物理量。
5. Absorbed dose is a physical quantity to measure the radiation energy absorbed by unit mass of substances
   吸收剂量是用来量度电离辐射与物质相互作用时，单位质量物质吸收辐射能量多少的一个物理量。