Scientific application
Having rare earth is still difficult to get rich
Rare earths in fact ... are not really rare. Rare earth mining is at risk of causing environmental pollution while economic benefits are not high.
Exhaust
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Articles about Exhaust
125 published items.
Scientific application
Petrol mixed with ethanol is similar to regular gasoline
Many argue that ethanol blended gasoline produces a cleaner fuel than normal gasoline, but Canadian researchers draw a contradictory conclusion.
Scientific application
Suction device, paint dust filter - replace imported products of the same type
The dust collector and filter device is a closed chamber, which carries out the process of toxic toxic technology with great intensity. Worker's position can be outside…
Environment
Pollution, Iran's capital closed schools
On February 5, all primary schools in the capital Tehran were closed when dense fog and pollution covered the city and neighboring provinces.
Environment
Motorcycle exhaust is more toxic than automobile exhaust
Japanese scientists at Kanazawa University came to an unexpected conclusion: compared with automobile emissions, motorcycle emissions pollute the environment more seriou…
Environment
How big is the exhaust gas?
Regardless of the vehicle, after starting the engine, the exhaust system will also escape a variety of emissions, mostly toxic gases with much less content.
Environment
Hazards from exhaust when driving peak hours
US researchers have installed special sampling equipment in cars to understand the risks from emissions that drivers must be exposed during rush hours.
Environment
The most surreal alternative energy sources in human history
Finding effective, clean, green alternative energy is an urgent job. And it turns out, people can take advantage of a lot of weird things that nobody thinks of to create…
Environment
India uses jet engines to cope with pollution
India will arrange jet engines of old aircraft near the power plant chimneys to blow up emissions, reduce pollution for the capital.
Environment
Admire artificial plants, absorb carbon more than 1,000 times more effectively than real trees
Green forests are heavily damaged and regular emissions are released into the atmosphere. We need more measures to keep the human roof of the Earth home.
Environment
The ozone layer gap in Antarctica begins to shrink
A recent study shows that the ozone layer in the Antarctic is beginning to shrink.
Environment
3 million people die prematurely each year due to global air pollution
Air pollution causes more than 3 million people to die prematurely each year, threatening almost all major city residents in developing countries.
Environment
The concentration of mercury in the rainwater of the US has been so dangerous
Many states have mercury levels in the rain that exceed the danger for humans.
Environment
4,000 Chinese people die every day because of pollution
A new study shows that air pollution kills about 4,000 people a day in China, accounting for one-sixth of the total deaths in the world's most populous country.
Environment
Road sweeper using hybrid technology
Not only on cars carrying people, hybrid-electric drive technology has also appeared on public transport like road sweepers.