搜索
D2(,,610212)D2:D2D2,:(R)2N2(3,2222,42212)232,:(C9H16O2N)2Ca,:47615;(40gö100mL),,;200();pH5-7;DL2,70%,,352,70%D2(VB3),,D2D2D2DL2,D2,D26000-7000t,8000-10000t,70%,,,,,,,,SiO2,CaSiO3:SiO2(s)+2NaOH(L)Na2SiO3(L)Na2SiO3(L)+Ca(OH)2(L)CaSiO3(S)+2NaOH(L):SiO2(S)+Ca(OH)2(L)CaSaiO3(S)+H2O:SiO238-40%,CaO38-40%,20%,89158%,,,,NPK,CaSiNPK,,,SiO2,,,,,SiO2,65219992,,,20töaD2,150töa,,D216öt500töa,,,20051500töa,D2,11D2A,,B,150töa21,,D2,,,,,2-3500töa31,;,;,;,,,1kg10mg,,,D2,,199758Mt,2000100-120Mt,70-80%,1kg5mg,500töaD2D2,,C2B2D2,,D211C2(CH3)2CHCHO+HCHONaOHHOCH2C(CH3)2CHO(É)HCNHOCH2C(CH3)2CH(OH)CNH2SO4HOCH2C(CH3)2CH(OH)COOHOCH3CH3OOH(Ê)(C2),20-2510%NaOH,2h,2,22232(I)(I),,303h,50%75219992,80,,130-145ö1333-2400PaDL2C2(Ê),,21D2()OCH3CH3OOH(Ê)+(NH2CH2CH2COO)2CaCH3OH[HOCH2CCH3CH3CHOHCONH(CH2)2COO]2Ca(DL2)D2,B2,40,2h,,,C2,20h,,-5,D2L2,,D2L2L2,D2D2,31D2()DL2C2NaOH,EtOHD2(-)2C2(NH2CH2CH2COO)2Ca73-87%D2C2(Ê),,3,3222,42C2,()B2D2C2,,,,D2102(-)2,,11,,50aötD2,21D2,,,1;,,(1994)2;,,(1991)3JP101,109964JP104,234995(5)DE1,40259626CA191,21034(7)CA1127,22095685219992