Edited sentence: previous

The observation of HNCO suggests that previous measurements of NH3 in coal combustion probably represent the sum of NH3 and HNCO yields.

previous measurements of NH3 in coal combustion probably represent the sum of NH3 and HNCO yields

以前測定した石油燃焼中のNH3は今回のNH3とHNCO収率の合計とおそらく同等である