以下为句子列表：
英文: Smoke extraction fire fight valve refers smoke extraction system installed in the pipeline, in an open state of the gas pipeline fires when the temperature reached 280 degrees automatically closed in a certain period of time to meet the fire resistance st
中文: 排烟防火阀是指安装在排烟系统管道上，平时呈开启状态，火灾时当管道内气体温度达到280℃时自动关闭，在一定时间内能满足耐火稳定性和耐火完整性要求。
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英文: The flow passage of intermediate-pressure cylinder, as well as the condenser and the vacuum extraction system had also been retrofitted in 2004, the safety and economic behavior of said unit being further enhanced.
中文: 2004年又对7号机中压缸通流部分及凝汽器、真空抽气系统进行了改造，机组的安全性及经济性均有了进一步提高。
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英文: The thermodynamics of micella formation and interfacial adsorption for a new synergistic extraction system Ga￣( +)-D_EHPA-H_MPA were studied,where H_MPA is a monoalkyl phosphate extractant with a long carbon chain.
中文: 研究了Ga~（ ＋）协萃体系（Ga~（ ＋）－D_EHPA－H_MPA－正十二烷－H_SO_）的界面吸附和胶团形成热力学，发现该萃取体系中［H_MPA］影响D_EHPA和H_MPA的界面吸附性质。
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英文: Separation of Proteins by Aqueous Two-phase Extraction System Combined with Liquid Chromatography
中文: 双水相萃取结合液相色谱法分离蛋白质
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英文: Research of Aqueous Two-phase Extraction System Purification Flavonoids of Hawthorn Leaves
中文: 双水相系统纯化山楂叶中黄酮类物质的研究
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