PURPOSE:To enable salt-to-fresh water conversion with a high degree of efficiency and in a desired scale by introducing sea water from an inlet into an evaporation tank floating on the sea and evaporating the sea water by solar heat and condensing it. CONSTITUTION:Since sea water 11 is ...
A process for obtaining fresh water from salt water comprises freezing water from the salt water on to the surface of water insoluble particles or droplets cooled below the freezing point at which ice crystallizes from the salt water, removing the ice coated particles and washing them of residual...
It doesn't make much water at a time and the quality of fresh water is not so good. But the factory is easy to build and costs little. That's why people in many dry places still use this way! (1)Why do many countries try to turn salt water into fresh water? (2)How do ...
根据文章第二段“Scientists have found some ways to turn salt water into fresh water. One important way is to boil sea water at a high temperature.”以及第三段“People also have other ways, such as digging deep wells, keeping rainwater and protecting rivers from being polluted.”可知,文章中...
Scientists have found some ways to turn salt water into fresh water. One important way is to boil sea water with high heat until vapor rises, leaving the salt. In this way, a lot of fresh water can be made quickly. 正在翻译,请等待...[translate]...
The fresh part of salt water freezes first. To get fresh water, the bits of ice are taken out. Which way is the best? The one that gives the most water for the least money. It may be a different way for each place. Symi's way seems very good for small, hot places. It does ...
I think to get the most fresh water with the least money is the best. And most importantly, everyone should take part in saving water. And it's not difficult. We should just try not to waste any water in our everyday life.根据短文内容,回答下列问题。1. Why do people try their best...
文章第一段最后一句: 'people are trying their best to find more ways to get fresh water.' 人类正尽全力找寻获取纯净水的方法,由此推断因该是因为水资源的短缺,所以才需要找到方法。故选B(2)细节理解题。根据文章第一段最后一句: 'people are trying their best to find more ways to get fresh water....
Many places in the world need more fresh water. Every country is trying to find ways to turn salt water into fresh. Why aren’t there many factories like the Symi(锡米岛) factory? In some places, the sun is not hot enough. Or it does not shine every day. In such places, other wa...