The model is able either to simulate and calculate materialandenergybalance over the process, or to audit a single facility.
该模型既可以对全流程进行物料和能量模拟计算，也可以对单体设备进行核算。
2
A universal and useful way on analysis of free degree has been proposed in the paper about materialandenergybalance in process of chemical engineering.
全面给出了化工过程物料与能量衡算的自由度分析的一般方法，对各种化工过程衡算问题有普遍化的实用意义。
3
The design specification contains:process design, shop drawings, workshop design drawing, biological reactor design andmaterialandenergybalance and so on.