Nitaln.硝酸乙醇腐蚀液
nitn.虱子;没用的人
Nitzschia sigma var. intermedian.弯菱形藻中型变种
Nitzschia sigma var. sigmatellan.弯菱形藻弯变种
Nitzschia bremensis var. sinican.勃来菱形藻中国变种
nitrification and denitrifieation硝化与反硝化
Nitraria Tangutorum shrub islands唐古特白刺灌丛沙包
nitrification and denitrification硝化反硝化
nitroaniline pesticide wastewater硝基苯胺农药废水
nitroformaldehyde phenylhydrazone硝基甲醛苯腙
nitriding catalyzed by rare earth稀土催渗
nitrofurans and their metabolites硝基呋喃类物质及代谢物