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World's longest over-water bridge, the 41.58km-long Qingdao Haiwan Bridge, opens to traffic in China's Qingdao on the last day of June. The bridge connects the city of Qingdao with Hongdao in Chengyang District along with the suburban Huangdao District over the waters with the northern a part of Jiaozhou Bay in Shandong Province.
If your current fridge is around 10 years old, a new model having an energy star rating will definitely become more efficient that you should run, saving on your own power bill plus lowering your household carbon emissions. Today's chillers use considerably less energy than outdated types and signify more effective bargain in the long term. All new refrigerators must minimise environmental harm and must pass industry standards before achieving their energy rating so before you decide to repair your old fridge, consider its impact on your energy use.
Some algae species are 50% or more lipid oil by weight. This oil may be pressed from the algae and refined into diesel. The process for extracting algal oil, at its simplest level, resembles pressing an olive. Up to 75% from the oil might be squeezed from algae using a simple mechanical press. Hexane might be used being a solvent to raise extraction up to 95%. Once extracted, the oil is refined through transesterification. A catalyst including sodium hydroxide is combined with alcohol to make biodiesel and glycerol.
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