测定活体动物或人体的脂肪含量,无论在畜牧经济,临床医学、个人卫生保健以及儿童的营养发育与个体活动等方面均很重要,特别在潜水及飞行人员的选拔方面更为重要。因为在脂肪含量多的人体内可能溶解的氮量也多,当潜水员潜出水面过速时,或飞行人员所乘飞机上升过速时,由於周围空气压力的突然减低,脂 Determination of fat in living animals or human body, both in the livestock economy, clinical medicine, personal health care and child nutrition and development and individual activities are very important aspects, especially in the selection of diving and flying personnel is even more important. Because of the large amount of fat in humans may dissolve more nitrogen, when the diver submerged the surface of the water, or when the flight crew rose too fast, due to a sudden reduction in ambient air pressure, fat