The paper aims at analysing several ammonia synthetic processes used in some middle and small-sized plants by the method of exergy analysis.
本文采用粗（米用）分析法对我国中小型合成氨厂的氨合成流程进行了分析比较，绘制了（米用）流图。
The paper aims at offering references and bases for gradation-balance through gradating the agricultural land by using artificial neural network.
通过人工神经网络对全省农用地进行等别判定，可为等别平衡提供依据和参考。
The paper aims at enriching past research results further theoretically, offering a new approach of channel governance on practice for the future.
本文的研究，旨在从理论上进一步丰富以往的研究成果，从实践上为今后的渠道治理提供新的途径。
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