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R(1)=k(1)*urea
R(2)=k(2)*NH4
R(3)=k(3)*NCO*H
R(4)=k(4)*urea*NCO*H
R(5)=k(5)*biuret
R(6)=k(6)*biuret*NCO*H
R(7)=k(7)*cya
R(8)=k(8)*cya*NCO*H
R(9)=k(9)*amme
ÆäÖÐk£¨i£©¿ÉÒÔÓð¢ÀÛÄáÎÚ˹·½³Ì¼ÆË㣬R=8.31,TΪζȣ¬eÊÇ×ÔÈ»¶ÔÊý
k(1)=A(1)*e^(Ea(1)/RT)
k(2)=A(1)*e^(Ea(2)/RT)
k(3)=A(3)*e^(Ea(3)/RT)
k(4)=A(4)*e^(Ea(4)/RT)
k(5)=A(5)*e^(Ea(5)/RT)
k(6)=A(6)*e^(Ea(6)/RT)
k(7)=A(7)*e^(Ea(7)/RT)
k(8)=A(8)*e^(Ea(8)/RT)
k(9)=A(9)*e^(Ea(9)/RT)
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durea/dt=(-R(1)-R(4)+R(5))
   dNH3/dt = (R(2)+R(6))
    dHCNO/dt = R(3)
    dbiuret/dt= (R(4)-R(5)-R(6))
    dcya/dt= (R(6)-R(7)-R(8))
    damme/dt= (R(8)-R(9))
    dHCN/dt= R(9)
    dNH/dt= R(9)
    dCO2/dt= R(8)
    dNH4/dt= (R(1)-R(2))
    dNCO/dt= (R(1)-R(3)-R(4)+R(5)-R(6)+3*R(7)-R(8)+2*R(9))
    dH/dt=H_0+(R(2)-R(3)-R(4)+R(5)-R(6)+3*R(7)-R(8)+2*R(9))

ÎÒÏÖÔÚÓÐÕâÑùÒ»×éÈÈÖØ·ÖÎöTGAÊÔÑéÊý¾Ý£¬Î¶ÈÉý¸ßÂÊΪ10K/min£¬ÆäÖÐmass/initial massΪurea+biuret+cya+ammeÖ®ºÍ¡£ÎÒÏÖÔÚÏëÓÃÕâ×éÊÔÑéÊý¾ÝÄâºÏ³öÉÏÊö¾Å¸ö»¯Ñ§·´Ó¦µÄƵÂÊÒò×ӺͻÄÜ£¬ÇëÎÊÒªÔõô×ö£¿ÎÒ±»Õâ¸öÎÊÌâÀ§ÈÅÁ˺ü¸¸öÔÂÁË£¬Ò»Ö±Ã»ÓÐÕÒµ½ºÜºÃµÄ·½·¨¡£
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temperature        mass/initial mass
349.422        0.999276
370.417        0.998046
389.63        0.992421
407.512        0.978029
424.514        0.950498
436.611        0.91416
446.498        0.855916
455.503        0.785992
463.618        0.71314
472.198        0.622788
480.786        0.523683
489.361        0.437708
502.854        0.347409
512.735        0.295
527.52        0.251398
547.622        0.250159
575.762        0.250467
594.969        0.250677
609.27        0.24354
624.93        0.217452
637.484        0.172367
650.497        0.114157
666.176        0.070564
686.315        0.032856
703.32        0.002407
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3Â¥: Originally posted by dingd at 2014-02-28 11:16:56
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