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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
521Biofilms生物膜3009374683714458800004319
522Bioflavonoids生物黄酮类61561140136644863169320138030873369
523Biofouling生物淤积36865248013202482
524Biofuels生物燃料3333283303004000755
525Biogenesis生源论260126240110000376
526Biogenic Amines生物胺类481857282956168110818924700154095
527Biogenic Monoamines生物源单胺类446896502810150710218123900050178
528Biogenic Polyamines生物源多胺类49012582213000568
529Biography as Topic专题传记351111151203150000004980
530Biohazard Release生物危害释放00000000000
531Biolistics生物弹道学11121411226820100001302
532Biological Agents生物制剂145028149881311835720051344592111116182312
533Biological Assay生物学鉴定法406522194291015453044387
534Biological Availability生物利用度7966245634312301181060009582
535Biological Clocks生物钟2353351344924460003028
536Biological Control Agents生物防治制剂40220000008
537Biological Dressings生物敷料3541831111528000493
538Biological Evolution生物进化361114657921581100004570
539Biological Factors生物因子59838219866520831576230966460495542096700742
540Biological Markers生物学标记728513378694196839374734500885631
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