今天的化学作业是配平这20个化学反应式。
The homework for the chemistry lessons today is to balance 20 chemical reaction equations.
依据石灰石煅烧机理及其分解化学反应式，推导、总结出石灰活性度理论计算公式和经验计算公式。
The theoretic and experienced calculation formulas for lime activity are deduced and summarized as per lime stone calcination mechanism and by means of resolving chemical equation.
依据石灰石煅烧机理及其分解化学反应式，推导、总结出石灰活性度理论计算公式和经验计算公式。
The theoretic and experienced calculation formulas for lime activity are deduced and summarized as per lime stone calcination mechanism and by means of resolving chemical equation.
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