Can fuel cells clean up mine waste?doi:10.1016/S0262-4079(07)63089-9Such a set-up would produce electricity and usable iron compounds into the bargain, making cleaning up mines more economical and efficientSDOSThe New Scientist
One of their jobs is to clean up dead neutrophils -- macropghages clean up pus, for example, as part of the healing process. The lymphocytes handle most of the bacterial and viral infections that we get. Lymphocytes start in the bone marrow. Those destined to become B cells develop in ...
One of the substances jellyfish mucus absorbs are the particles that make up microplastics. By trapping these tiny pieces of floating plastic, the mucus acts like amagnet– an object that attracts certain materials, like meta...
There are quite a few things you can clean in a dishwasher besides dishes and kitchen ware. This means that in many cases, you can combine some cleaning jobs with your regular dishwashing, saving you time andmoney on your waterand electricity or gas bill. The dishwasher can also give a re...
Bringing your aluminum cans to the scrap yardsin your area can seem like a waste of time, but when you start adding up the dollars for your aluminum can recycling, it could be worth the time. We often suggest you gather bulk aluminum cans before heading to the scrap yard to cash them ...
1. 语法填空 Let's clean up the ocean together! We all know it's important to have dreams.to make the dreams(come) true is not an easy thing. A young Dutch man named Boyan enjoys(work) hard to make his dreams come true. When Boyan was 17, he went diving(潜水) in Greece. He wa...
there cycle bin,it will end up in a landfill(垃圾填埋场).Though it might not be(2) harmful(harm)to the soil,it's a waste of resource. When the glass is collected by the factory,it will(3) be cleaned(clean)first.That means washing away the waste inside and(4) takin...
material.The robots are built to remove microplastic particles which are smaller than 5 mm while moving through the water.Studies have found that microplastic pollution has been discovered in many natural environments.The material comes from the breakdown(分解) of plastic products ...
We use it to cook, clean, and carry waste out of our homes. Farmers use it to grow vegetables and crops like rice and corn; factories use it to make products. Since the 1950s, the amount(数量)of water people use has increased by three times. But the water supply(供应)hasn’t. ...
Prevent the risk of falling from a ladder with this cleaning tool that can reach up to two-storeys. If you need to remove debris, leaves, pine cones, and sticks blocking your gutters, this item can grab those for you. You can also clean your roof while staying still on the ground. Th...