基于热力学第二定律的分析方法，按照能质系数的概念确定了电、天然气、煤、蒸汽、热水等各种形式的建筑用能及建筑物耗冷量、耗热量的能源品位高低；
Using the exergy analysis method, the conception of energy quality character was presented, which indicated the discretion of electricity, gas, coal, steam and hot water, cooling or heating load etc.
矿物成分能很好地和油性肤质亲和，加上自然的防晒系数，就能提高皮肤中的抗氧化酶的保护效应，从而帮助抵御皮肤的幼纹和一些不平衡基调。
"Minerals work well with oily skin, have a natural SPF, and enhance the protective effect of antioxidant enzymes in the skin that help prevent fine lines and uneven tone, " advises Graf.
冬天太阳高度低，穿透有很高太阳能吸热系数的玻璃加热地板，地板本身也充当热质。
In the winter, the low sun penetrates glass with a very high solar heat gain coefficient, and heats the floor, which in and of itself ACTS as a thermal mass.
冬天太阳高度低，穿透有很高太阳能吸热系数的玻璃加热地板，地板本身也充当热质。
In the winter, the low sun penetrates glass with a very high solar heat gain coefficient, and heats the floor, which in and of itself ACTS as a thermal mass.
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