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咖啡碱
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咖啡碱
分子式C8H10N4O2。属嘌呤类生物碱。存在于茶叶、咖啡和可可中。又称咖啡因。
Chemistry
>有机化学>天然产物及药物>释义
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semiconductor PN junction laser
semiconductor pressure sensor
semiconductor radiation detector
semiconductor read-only memory
semi-conductor refrigeration
semiconductor saturable absorption mirror Q-switched technology
semiconductor sensor
semiconductor spintronics
semiconductor straingauge
semiconductor strain sensor
semiconductor streamer laser
semiconductor subassembly
semiconductor superlattice
semiconductor surface energy
semiconductor surface state
semiconductor terahertz laser
semiconductor thermal conductivity
semiconductor thermometer
semiconductor thermosensitive resistors
semiconductor transducer
semiconductor wafer processing
semiconductor X-ray detector
semiconductor γ-ray detector
semiconduct switch
semi-cone
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