Objective: to understand the pollution of the Yellow River in HuiNong of NingXia Autonomous Prefecture and in naturalwatersource and running water quality.
前言：目的：掌握黄河水源宁夏惠农段污染现状和目前自来水水质现状。
2
An artificial leaf would use a reaction that forms part of the natural process of photosynthesis to turn sunlight and water into a clean fuel source.
“人造叶”将利用构成光合作用中部分自然过程的反应作用，将阳光和水变成一种清洁燃料的来源。
3
Cooperand colleagues demonstrated in previous studies that dry water is also usefulfor storing methane, a component of natural gas, and may help expand its use asa future energy source.