ABA
See abscisic acid.参阅abscisic acid。...查看详细>>
标签:英汉双解有机化学abscisic acid
A PLANT HORMONEonce thought to be responsible for theshedding (abscission)of flowers and fruitand for the onset of dormancy in buds(hence its early name,dormin).The com-pound is associated with the closing ofpores(stoma)in the leaves of plants de-prived o...查看详细>>
标签:英汉双解有机化学absolute alcohol
Pure alcohol (ethanol).纯酒精(乙醇)。...查看详细>>
标签:英汉双解有机化学absolute configuration
A particular molec-ular configuration of a CHIRAL molecule,as denoted by comparison with a referencemolecule or by some sequence rule. Thereare two systems for expressing absoluteconfiguration in common use:the D-Lconvention and the R-S convention. Seeopt...查看详细>>
标签:英汉双解有机化学absolute temperature
Symbol:T A tem-perature defined by the relationship:T=θ+273.15where θ is the Celsius temperature. The ab-solute scale of temperature was a funda-mental scale based on Charles’law,whichapplies to an ideal gas:V=V_0(1 +αθ)where V is the volume at temperatur...查看详细>>
标签:英汉双解有机化学absolute zero
The zero value of thermody-namic temperature; 0 kelvin or -273.15℃.See absolute temperature.热力学温度的零值:0°K或-273.15℃。参阅absolutetemperature。...查看详细>>
标签:英汉双解有机化学absorption
1.A process in which a gas istaken up by a liquid or solid,or in which aliquid is taken up by a solid.In absorption,the substance absorbed goes into the bulkof the material.Solids that absorb gases orliquids often have a porous structure.Theabsorption of ...查看详细>>
标签:英汉双解有机化学absorption spectrum
See spectrum. 参阅spectrum。...查看详细>>
标签:英汉双解有机化学accelerator
A substance that increases therate of a chemical reaction.In this sense theterm is synonymous with CATALYST.It iscommon to refer to catalysts as‘accelerators’in certain industrial applications.For exam-ple,accelerators are used in the VULCANI-ZATION of ru...查看详细>>
标签:英汉双解有机化学acceptor
The atom or group to which apair of electrons is donated in forming aCOORDINATE BOND.指接受一对电子形成配价键的原子或原子团。...查看详细>>
标签:英汉双解有机化学英汉翻译
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