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蒸气压缩式制冷
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蒸气压缩式制冷
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蒸气压缩式制冷
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vapour compression refrigeration
蒸气压缩式制冷
利用沸点较低的制冷介质在低于环境温度下气化而吸热,从而带走被冷物料的热量的工艺方法。制冷介质的沸点越低,冷剂温度越低。又称机械压缩制冷,或简称压缩制冷。
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derivatization pre-column derivatization
derivatization room temperature phosphorimetry
derivatization room temperature phosphorimetry (D RTP)
derivatization room temperature phosphorimetry (D-RTP)
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