Objective: to prepare the low molecularweight chitosan and establish the method for quality control.
中文摘要：目的：制备低分子质量的壳聚糖并建立相应的质量控制手段。
2
For solving the difficulty in the control of molecularweight distribution (MWD) of polymer product, MWD via neural network without any transcendental information is modelled.
为了解决聚合产品分子量分布控制的难题，将神经网络引入对其进行了无需任何系统内部先验知识的黑箱建模。
3
When the curing extent was about 60 percent, the molecularweight raised rapidly and diffusion control was incorporated to describe the cure in the latter stages.