苏联А.Г.卡萨特金“化工原理”教本(已有1950年第五版译本,以后简称原书)在第11章介绍了空气与水蒸汽混合物(以后简称湿空气)的I-x图——以湿空气的热含量I仟卡/仟克乾空气(以後简作仟卡/仟克)及湿含量x仟克水蒸汽/仟克乾空气(以後简作仟克/仟克)为座标轴,以表示湿空气各性质间关系的图表——可用在乾燥器、空气的减湿及增湿等计算中,与英美书籍中以湿 The Soviet Union А.Г. 卡萨特金 the “Principles of Chemistry” textbook (there is the fifth edition of the 1950 edition, hereinafter referred to as the original book) introduced in the eleventh chapter of the air and water vapor mixture (hereinafter referred to as wet air) Ix - - Take the moisture content of dry air (Ikcal / kg dry air) and the moisture content (kgf steam / kg dry air) Chart showing the relationship between the various properties of wet air - can be used in the dryer, air dehumidification and humidification calculations, and Anglo-American books wet