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近年来,各国都十分重视住宅建筑的节能问题。苏联有许多建筑设计科研单位按不同地区的气候特点,进行墙体和外围护结构方面的节能研究。据他们统计在采暖期间,通过墙和窗子损失的热量约占90%,而其中通过墙面损失的热量约占42～49%,通过门窗口的热损失约占32～35%。尽管近来能源工业发展比较
In recent years, all countries have attached great importance to the issue of energy saving in residential buildings. There are many architectural design and scientific research units in the Soviet Union that carry out energy-saving research on the wall and outer protective structures according to the climate characteristics of different regions. According to their statistics, during the heating period, about 90% of the heat is lost through walls and windows, and about 42 to 49% of the heat is lost through the wall, and about 32 to 35% of heat is lost through the door window. Despite the recent development of the energy industry