• Can you filter bacteria and viruses by water purifier?

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    The answer is yes, but it depends on the product category, not all water purifiers can filter bacteria and viruses in water. So what kind of water purifier can filter bacteria and viruses?First of all, to know whether the water purifier can filter bacteria and viruses, the main thing to look at is the filter element in the water purifier. In general, the filter...
  • Why is the Solar Energy Conversion Efficiency so Low and Difficult to Improve?

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    Why is the Solar Energy Conversion Efficiency so Low and Difficult to Improve?
    Most PV panels now have an efficiency of 11-19%. Relatively low.Solar energy conversion efficiency is divided into photoelectric conversion efficiency and photothermal conversion efficiency.1. Photoelectric conversion efficiency1. First of all, we must understand light. On the macro level, the sunlight we see is colorful, that is, light of different wavelengths. At the micro level, different rays of light are different frequencies of light. The...
  • Solar Energy and Wind Energy, Which One is More Promising?

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    Solar Energy and Wind Energy, Which One is More Promising?
    Solar energy and wind energy are now very mature renewable energy technologies. Both the technology and the industry are very complete. In recent years, countries have developed rapidly. Therefore, to answer this question, I think we can first compare their current development status. 2008-2018 world total installed photovoltaic capacity and annual growth 2008-2018 PV installed capacity in various countries or regions First of all,...
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