Exciton is electron - hole pair held together by their mutual Coulomb interaction.激子就是由电子和空穴在相互间的库仑力作用下,相互维持在一起的电子 -- 空穴对.As to the emission at 370 nm, It'should result from exciton recombination radiation.而在370nm处的...
Cyclohexyl nitrate is an effective cetane number improver for diesel oil.硝酸环己酯是一种有效的柴油十六烷值改进剂.The synthetic process and application cyclohexyl chloride are introduced.介绍了氯代环己烷的合成工艺及其应用.Objective Cyclohexyl acetate was sy...
...a small blue sign with white lettering.一块蓝底白字的小招牌The book’s cover has white lettering on a blue background.本书封面为蓝底白字。The book's cover has white lettering on a blue background.本书封面为蓝底白字.The lettering on the graves...
潜育层是通过潜育作用形成的.The formation of a gley is known as gleying.水稻土有较长耕作历史, 并已形成了潜育层和潴育层, 但土壤肥力并不高.In all types of soil, lateritic red earth covered over 70 % of the total area, ranking first.并依此分析了三峡工程对土壤潜育化沼泽化的影响.The effect ...