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Top Ten Technologies for Environmental Protection Selected
07:43, 2010-Jul-30
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The website of " Fun science" pionted out 10 environmental technology in the journal of 7th this month, some people have heard, some just in the new level,some sounds even "Non-mainstream." The top ten environmental skills pay most attention on energy developing. It includes 5 skills in the first 6.Most Magnificent wholesale discount Album Sets Fashionable [Transfer carbon garbage into gasoline" is on top of the list. How to Decorate with Your Dreaming Wholesale photo frames in Daily Life It is proposed by this technology that any carbon matter, from animal organs to abandoned tyres is possible to be transferred into gasoline as long as under appropriate temperature and pressure. Protect wholesale photo albums on Birthday The hydrogen fuel skill is on the third place of the list. It is Revealed That the Designer of Wholesale photo frames will Resign This Year The hydrogen fuel battery produces electric by the reaction of hydrogen and oxygen. It gets water only. So it is called "the substitute of fossil fuels with no pollution." Additionally, scientists have succeeded to develop hydrogen fuel battery supplying power for mini electrical equipment such as laptop. A number of vehicle manufactures are putting efforts to develop vehicles based on hydrogen fuel battery. [Luminous energy transferred into electrical power" is No 4 on the list. Solar energy battery is no longer a new topic. The focus of research being performed by scientists is how to improve the utilization of luminous energy. Ocean thermal energy technology ranks fifth. According to the statistics of U.S. Department of Energy, the energy of world ocean absorbed due to the solar radiation energy is equivalent to 2500 billion barrels of oil each day, while the U.S. annual consumption of energy is only equivalent to 75 billion barrels of oil. In addition to this, the temperature difference of seawater at different depths can also be used to generate electricity, but the technology is not mature yet, the efficiency is not very high.. The sixth top`s tide energy, which is made use of to generate electricity, is [old conception" that was advanced in the first of last century. The energy caused by tide can be used to propel a generator to generate electricity. But the problem is that it is hard to control because sometimes the tide is too small to generate sufficient energy. Except for energy development, the reduce of the discharging of pollutions is the key point for top ten environmental skills to solve. The seven top`s [Air Garden" plan is offered, to build the gardens, plant the plants on the roofs of the buildings, let the plants absorb the heat and carbon dioxide and release oxygen. In addition, the plan can also coo the building and reduce the use of air conditioning in the summer, ultimately helping ease the "heat island effect." The technique of biodegradation was on the eighth. The biodegradation meant using plants or animalcules decomposing the pollution and poisonous matters. Typical examples include using micro-organisms to eliminate nitrate pollution of water and using certain plants to absorb soil arsenic compounds. Burying emissions deeply technology was ranked ninth. It was suggested that carbon dioxide can be separated from other pollutants, and infused into abandoned oil wells, high-salt reservoirs and even the benthal. Though this means sounds reasonable,scientists oppugn the long-term effects and costs. The ten major environmental technologies should not only attach importance to "developing the source", also pay attention to "throttling". The desalination technology is in the second place. The skill is about eliminate the salt and mineral materials in sea water and change into the drinkable water. UN statistics show that water shortage will influence the world population of billions of life by the middle of this century. Seawater desalination technology can solve water nervous of part of region in a certain extent. However, the problems of this technology are the relatively high cost and power consumption. Scientists are now studying how to use cheap fuel to make seawater evaporate in order to improve the benefit. The tenth is the application of the paperless technique. Using the `electronic paper` repeatedly to replace the conventional paper. Regardless newspapers or novels, they could be display in the same electronic paper, avoiding the waste of paper. Leave a Comment { Last Page } { Page 35 of 201 } { Next Page } |
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