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当真【天花板高~使屋内凉爽吗】普通人以为天花板高在热天比较凉爽,在冷夫比较不易温暖。前此美国农业部和乔治亚大学合作研究农场房屋的建筑,发见此语实属非是。他们两机关用屋子模型2所,墙上及各种高度均装温度计,结果证明天花板上10尺高的屋子并没有比8尺高的凉快多少,因门窗布置的适当使换气便利,微风透入,其影响要大得多。〔SD39,10~*〕【世间~有一种物质,混入药品中药品就无法分析使方子永保秘密吗】化合物中的元素,决不能因混合的方法就可以防止他人的分析的,虽然有许多稀有素元,
Is it true that the ceiling is so high that it cools? The average person thinks that the ceiling is cooler on hot days, and it is less likely to be warm in cold weather. Before this, the United States Department of Agriculture and the University of Georgia studied the construction of farm houses. They used two house models, two on the wall and at various heights. The result showed that the 10-foot-high house on the ceiling was not as cool as a 8-foot high, because the proper arrangement of doors and windows made the ventilation convenient and the breeze through. Into it, the impact is much greater. [SD39,10~*][There is a substance in the world. Can’t the drugs in the drug be analysed so that the secret of the prescription can be kept?] The elements in the compound must not be prevented from being analyzed by the method of mixing, although there are many Rare elemental element,