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序号英文主题词中文主题词命中文献数量(篇)
期刊博硕士论文会议论文报纸年鉴成果专利国家标准行业标准标准总计
721Nitro Compounds硝基化合物320344379791551181931912504035542
722Nitroreductases硝基还原酶类27215476010000341
723Nitroanisole O-Demethylase硝基茴香醚邻脱甲基酶00000000000
724Nitroarginine硝基精氨酸30320180310000345
725Nitroquinolines硝基喹啉类7341000000078
726Nitrohydroxyiodophenylacetate硝基羟基碘苯乙酸酯00000000000
727Nitromifene硝米芬01000000001
728Nitroprusside硝普钠2725551292013630002951
729Nitric Acid硝酸5988163341257191626140176844
730Nitroglycerin硝酸甘油893613336768622201210110178
731Nitrate Reductase硝酸盐还原酶25912436010000321
732Nitrate Reductase (NAD(P)H)硝酸盐还原酶(NAD(P)H)00000000000
733Nitrate Reductase (NADH)硝酸盐还原酶(NADH)00000000000
734Nitrate Reductase (NADPH)硝酸盐还原酶(NADPH)00000000000
735Nitrate Reductases硝酸盐还原酶类26112436010000323
736Nitrates硝酸盐类369012920017818141280114262
737Nitrazepam硝西泮3005920201000337
738Neospora新孢子虫属51000030009
739Newcastle Disease新城疫13515860036303207
740Newcastle disease virus新城疫病毒45041264257105541
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