Multiply unsaturated compounds are usually best named by the IUPAC nomenclature.多重不饱和化合物一般最好用IUPAC命名法来命名.Charles trotted out his little bit of scientific nomenclature.查尔斯炫耀他那点科学名词.It developed variations in nomenclature ...
...the internationally agreed rules of chemical nomenclature.国际公认的化学命名规则It developed variations in nomenclature and in substance.它在名称上和实质上都发生了一些变化.Multiply unsaturated compounds are usually best named by the IUPAC nomenc...
For biotic communities parallel terms: biocoenose and biocoenon may be used.生物群落也可用相似的术语; 生物群落和生物群丛.Insects fed on a bland ( nontoxic ) diet would show their real biotic potential.昆虫取食了味纯和的 ( 无毒的 ) 饲料可能表现出它们真正的生物潜能.Tagat...
Results 17 cases have been treated effectively, 1 case balloon ruptured, 1 case parafunction of blood coagulability.结果在应用双气囊三腔管治疗的19例患者中,有效止血17例, 气囊破裂1例, 凝血功能障碍1例.PROGRESSIVE BALLOON DILATATION UNDER ENDOSCOPE FOR ACHALA...