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单词
electrocyclic reaction
释义
electrocyclic reaction
Encyclopedia
理学
电环[化]反应
释
electrocyclic reaction
电环化重排
共轭体系两端的原子环合形成新的σ键,形成比原来分子少一个π键的产物的反应。是周环反应的一类。又称电环化反应。
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unrestricted sampling
unrestricted simplicial complex
unrestricted symmetric group
unrestricted variable
unripe seedling
unrising body
unrolling
unroofing
unrooted tree
unrounded
unrounded articulation
UNRRA
Unruh effect
Unruh radiation
unsafe
unsafe behavior
unsafe condition
unsafe events in flight test
unsafe factor
unsafe factors of road transportation
unsalable books
unsatisfiability
unsatisfiable
unsatisfiable set of formulas
unsaturated
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