Total energy production refers to the total primary energy production in a given period. Including raw coal, crude oil, natural gas, hydropower, nuclear energy, and other power generation (such as wind energy, geothermal energy, etc.), excluding the use of low calorific value fuel production, biomass energy, solar energy, and conversion from primary energy processing Secondary energy production.
The East-West glass slide is a glass slide or quartz slide that is used to place a glass slide or quartz slide when it is observed under a microscope. During production, a cell or a sample containing a certain tissue is randomly placed on the slide glass, and a cover slip is placed on it for observation a similar material that produces a phase difference.
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