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propadiene
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propadiene
Encyclopedia
理学
丙二烯
释
propadiene; allene
丙二烯
最简单的含累积双键的烯烃。常与丙炔共存于石油裂解制乙烯过程中产生的碳三馏分中。分子式CH2═C═CH2。
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Tashkent Battle
Tashkent Conference
Tashkurgan sheep
Tashkurgan Wild Animal Nature Reserve
Tashtyk Culture
tasimeter
task
Task Analysis
task analysis
task analysis method
task asynchronous exit
task-based information user
Task-based Job Analysis
Task-based Language Teaching
task-centered model
task-centered social work
task coordination
task-driven learning
task equipment analysis
task force on paperwork management
task graph
task-involved learner
task leading method
task-level parallelism
task list restructuring
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