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指战员在寒区冬季执行任务时,军用水壶里的水往往冻结而无法饮用.近年来虽装备了毡水壶套,但常因户外停留时间过长,水壶内的水仍难免冻结.为此,我们利用化学产热袋(见本刊1981年第2期34页)进行了水壶的保温试验,获得了较满意的结果. 试验方法一、实验室试验:将盛有35℃水的军用水壶悬挂于-30℃冰箱里后,立即和每隔15分钟用热电偶温度计测量各壶水的温度1次,直至水温降至0℃.同样试验重复4次.
In the cold winter season, commanders and fighters often freeze and can not drink water in the military kettles. Although the kettle kits are equipped in recent years, the water in the kettles is often frozen due to the long outdoor residence time. The use of chemical heat-generating bags (see the second issue of 1981, No. 34) conducted a kettle insulation test, obtained satisfactory results Test Methods First, the laboratory test: will hold 35 ℃ water military kettles hanging in Immediately after -30 ° C in the refrigerator, the temperature of each pot of water was measured immediately and every 15 minutes with a thermocouple thermometer until the water temperature dropped to 0 ° C. The same test was repeated 4 times.