从汽轮机组和凝汽器的热平衡入手，对汽轮机性能老化后低压缸排汽点变动方向进行了研究。
Starting with the heat balance of steam turbine unit and condenser, the study is carried out on changed direction of exhaust steam point after turbine performance aging.
运行多年的300 MW火力机组，其发变组保护设备落后、老化、校验复杂、保护灵敏度低。
After more than 10 years of operation, the generator-transformer protection of the 300 MW thermoelectric units became technologically behind, aging, too complicated in checking, and less sensitive.
反之，将无机组分引入有机材料中则可以提高其刚性、耐热性和耐老化性能。
On the contrary, introducing inorganic component into organic material may enhance its rigidity, heat resistance and ageing-resistant performance.
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