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Received December 23, 1992,Revised , Accepted , Available online

Volume 5,1993,Pages 435-443

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This paper recommend the grey control system model(GM 1,1 )to approach the problem of prediction for emission of trace gases.When the number of data in the system is not enough for mathermatics statistics analysis,the application of GM(1,1)model can get available results.This model can be used for prediction of emission trace gases and trend of global concentration of C02.The atmospheric concentration of CO2 will be 365.9 ppmv by the year 2000 The prediction for emission of CO2 from buming coal will be 1123.3 TgC in China.The emissions of CO in China are estimated.

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