其次，根据选定的网络结构用MATLAB语言编写了预测混凝土碳化深度的程序，并利用人工神经网络模型分析了混凝土的碳化规律。
Then the paper compiles the program to predict the depth of the concrete carbonization with MATLAB and analyses the rule of the concrete carbonization.
研究了从硫酸盐法草浆黑液中提取木质素及黑液提取木质素后的深度处理方法，选定了各级处理最佳条件。
The research on the methods of extracting lignin from sulfate pulping black liquor and further treatment to extracted black liquor were made . The best conditions of every step treatment were studied.
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