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　　1. 在多年生繁殖过程中，如果鱼，虾，蟹处于浮头缺氧状态，应立即开启曝气设备的所有急救装置，水体中的溶解氧应为增加。这时，它应该是一台“救命机器”。

　　During perennial reproduction, if fish, shrimp, or crabs are in a state of floating head hypoxia, all emergency devices of the aeration equipment should be immediately turned on, and the dissolved oxygen in the water should increase. At this point, it should be a 'life-saving machine'.

　　2. 在鱼，虾，蟹等旺盛的生长季节，在晴天中午打开曝气器1至3小时，充分发挥曝气器的搅拌作用，促进上下水的对流身体，并增加池水中的溶解氧。它还加速了池塘的物质循环，改善了水质，减少了夜间浮头的发生。

　　During the vigorous growth season of fish, shrimp, crabs, etc., turn on the aerator for 1 to 3 hours on a sunny day at noon to fully utilize the stirring effect of the aerator, promote the convection of the upper and lower water bodies, and increase the dissolved oxygen in the pool water. It also accelerates the material circulation in the pond, improves water quality, and reduces the occurrence of floating heads at night.

　　3. 阴雨天气，浮游植物光合作用弱，产氧量低，池塘溶氧不足，容易引起浮头。晚上，应打开曝气设备以防止缺氧。

　　3. In rainy weather, phytoplankton have weak photosynthesis, low oxygen production, and insufficient dissolved oxygen in ponds, which can easily cause floating heads. At night, the aeration equipment should be turned on to prevent oxygen deficiency.

　　4. 当使用大量施肥时，当水质太胖时，必须采用晴天中午开始和清晨开始的组合来改善池水的溶解氧条件并防止浮头。在池塘中使用杀虫剂，消毒剂或微生物制剂后，打开曝气设备1~2小时，均匀涂抹药物，提高使用效果。同时，在3天内在晚上打开曝气设备，以防止“水转移”。缺氧。

　　When using a large amount of fertilizer and when the water quality is too heavy, a combination of sunny days starting at noon and early morning must be used to improve the dissolved oxygen conditions of the pool water and prevent floating heads. After using insecticides, disinfectants, or microbial agents in the pond, turn on the aeration device for 1-2 hours and evenly apply the medication to improve the effectiveness of use. Meanwhile, turn on the aeration equipment at night within 3 days to prevent 'water transfer'. Lack of oxygen.

　　5. 阳光明媚的傍晚和阴雨天不开始中午，如果你开机会增加池塘的耗氧水层，加快下层的耗氧率，很容易造成鱼，虾，蟹和其他养殖动物缺氧。

　　On sunny evenings and rainy days before noon, if you turn on the machine, it will increase the oxygen consumption layer of the pond, accelerate the oxygen consumption rate of the lower layer, and easily cause hypoxia in fish, shrimp, crabs, and other farmed animals.

　　6. 有条件的池塘口可配备氧气测量仪器。只要溶解氧低于3mg / L，就应停止喂食。鱼塘溶解氧小于2.0mg / L，虾池溶解氧小于2.5mg / L.当螃蟹池中的溶解氧小于3.0mg / L时，曝气装置开启。

　　6. Pond mouths with conditions can be equipped with oxygen measuring instruments. As long as the dissolved oxygen is below 3mg/L, feeding should be stopped. When the dissolved oxygen in the fish pond is less than 2.0mg/L and the dissolved oxygen in the shrimp pond is less than 2.5mg/L, the aeration device is turned on when the dissolved oxygen in the crab pond is less than 3.0mg/L.

　　大多数示范户对罗茨风机的科学使用，除了上述天气，水温，水质等外，还应考虑养殖池塘和养殖品种的具体情况，并灵活掌握根据池水中溶解氧的规律启动。该方法和开机时间，以实现合理科学使用的增氧设备，增加产量，提高效率。

　　The scientific use of Roots blowers by most demonstration households should not only consider the weather, water temperature, water quality, etc. mentioned above, but also take into account the specific situation of the aquaculture pond and species, and flexibly master the start-up according to the law of dissolved oxygen in the pond water. This method and start-up time are used to achieve rational and scientific use of oxygenation equipment, increase production, and improve efficiency.

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