全球用水量的五分之一取自地下,人类使用的饮用水有一半也来自地下。
Groundwater provides about a fifth of the planet's water needs and half its drinking water.
英国消费者平均每天使用约150升水,体积相当于一个大浴缸的大小,而英国消费者购买的国货用水量是这个的10倍。
The average UK consumer uses about 150 litres per day, the size of a large bath.
实际应用表明,通过优化取、回水井的使用模式,可以减少系统的用水量和能耗。
The application shows that it reduces the water and energy consumption optimizing the employing modes of pumping Wells and recharging Wells.
结果如下:滴灌试验表明,项目区使用滴灌比沟灌能够减少用水量50%以上,产量提高17%,含糖量提高1.9%。
The result showed that drip irrigation could saved water by 50% than ditch irrigation, and fruit output increase 17%, sugar content increase 1.9%.
主要解决现有各种结构家用洗碗机存在的结构较复杂、用水量较大、使用不方便的缺点。
The utility model mainly solves the disadvantages of complicated structure, large water consumption and inconvenient use existed in the existing household dish-washing machines of various structures.
应用表明,采用潮汐灌溉方式的作物,其生长量明显优于人工浇灌方式,还可减少用水量33%,提高水分利用效率40%,还可减少氮肥使用量。
This method can decrease water quantity 33%, promote water using efficiency 40% compared with pouring irrigation, can also decrease nitrogen fertilizer quantity as well.
应用表明,采用潮汐灌溉方式的作物,其生长量明显优于人工浇灌方式,还可减少用水量33%,提高水分利用效率40%,还可减少氮肥使用量。
This method can decrease water quantity 33%, promote water using efficiency 40% compared with pouring irrigation, can also decrease nitrogen fertilizer quantity as well.
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