By tweaking his filtration system to leave a certain amount of fish waste in the water, plants can be grown in the same tank.
他通过对他的过滤系统进行调整，保留一定量的鱼的排泄物在水里，这样的话，植物就可以和鱼共生于一池了。
"We're talking plants floating on the surface of the water, using the fish waste as nutrition," he explains.
“我们要说的是水生植物漂浮在水面上，使用鱼的排泄物作为营养源，”他解释道。
Usually these pipes take waste water to treatment plants. But any overflow is released into rivers and streams.
通常这些管道都将污水送往污水处理厂，但还有些污水溢流到河流和小溪之中。
They will also use this data to determine exactly how long you should run your sprinklers to keep your plants healthy while avoiding runoff and water waste.
他们也会运用这些数据来决定你的喷头实际工作的时间以免浪费多余的水资源。
Waste cells firstly pollute water and soil, then produce building-up effect on plants and animals, at last do harm to mankind even lead to diseases by food chain.
其污染是经过较长时间后通过对水体、土壤的污染，再经过植物、动物的积累效应，最终通过食物链进入人体，影响人体健康，甚至导致严重的疾病。
Miniature sewage treatment equipment, can for small processing plants to handle the daily affair of industrial waste water, such as cleaning wastewater, waste emulsion, etc. Recycling can be realized.
微型污水处理设备：可为小型加工厂处理日常工业废水，如清洗污水，废弃乳化液，等。可实现循环使用。
The waste water in sugar plants mainly contains waste fermented liquid, filtering water and flushing water.
蔗糖厂生产废水污染较大需治理的是酒精废醪液、洗滤布水和水膜除尘废水。
The centrifugal pumps for transporting waste water in metal plants and mines often work at a low efficiency.
冶金厂矿输送废水的离心水泵常会在低效区工作。
Presents waste water recycle, an important part in water management in chemical fertilizer plants.
叙述构成化肥装置水管理重要组成部分的废水循环。
This paper briefs the forming cause, handling methods and recovery-use of various waste water in thermal power plants.
文章介绍了火电厂各类废水的形成原因、治理方法和回收利用。
There are 420 wate water treatment plants in China and the treating ratio of urban waste water is more than 30%.
中国已建有420座污水处理厂，城市污水处理率达30%以上。
The water heater with self-tight sealing under high pressure is a new type of equipment used for waste heat recovery from the synthesis system in the small nitrogenous fertilizer plants.
高压自紧密封水加热器是用于小氮肥厂合成系统余热回收的一种新型设备。
Waste water treatment plants and water purification plants are operated by skilled technicians who are certified in this field. Training includes mathematics, chemistry, and biology.
污水处理厂和水质净化厂都是有一定专业资格认证的技术人员所操作的。
The activated sludge from waste water treatment plants in oilfields and oil refining factories was used to increase oil recovery.
本研究利用油田污水处理站和炼油厂的活性污泥来提高原油采收率。
Waste water of metallurgy, pulp and paper, tanneries, food and chemicals industries, in primary or secondary treatment plants.
在初级或二级的处理设备如：冶金、纸浆和造纸、制革厂、食品和化工的废水。
Waste water of metallurgy, pulp and paper, tanneries, food and chemicals industries, in primary or secondary treatment plants.
在初级或二级的处理设备如：冶金、纸浆和造纸、制革厂、食品和化工的废水。
应用推荐