The following is a list of independent pharmaceutical, biotechnology and medical companies listed on a stock exchange (as indicated) that have generated a of at least 10 billion, ranked by their revenue in the respective financial year. It does not include biotechnology companies that are now owned by, or form a part of, larger pharmaceutical groups.
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The real-time balance of reactive power based on reactive power compensation is critical to power systems' safe and stable operation. The energy storage converter has a four-quadrant operation function that allows it to output or absorbs reactive and active power simultaneously. It has the function of frequency and voltage regulation.
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通过对某省级电网历史数据进行仿真验证,证明该模型在减少火电机组频繁启停、提升调峰经济性方面发挥着积极作用,促进未来新型电力系统的经济性和安全性运行。. In order to achieve the strategic goals of "carbon peak" and "carbon neutral", China's power grid will gradually be built .
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