The extraction technics, purification technics, physic-chemical property and the application of mulberry red pigment in recent years were summarized in this paper.
综述了近年来桑椹红色素的提取、纯化工艺及其理化性质和应用现状。
In the end, some application foreground and some other place could be done in 28fred are also introduced in this paper, and we made some experiment to compare RED, FRED, 28fred.
最后对28 FRED的应用前景和还可改进的地方进行了简单的介绍，并通过实验对RED、FRED、28 FRED进行性能对比。
The Application of SIEMENS PCS7 in paper pulp screening and red liquor washing control system is introduced. The structure, control realization and optimization of the system is also discussed.
介绍了西门子新一代的过程控制系统PCS7在纸浆筛洗及红液提取控制系统中的具体应用，详细叙述了系统的结构和控制上的实现方法及优化。
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