The infection of different concentration chitosan- acetic acid solution surface sizing to the technical feature of paper was studied.
研究了不同浓度的壳聚糖-醋酸溶液表面施胶对纸的技术性能的影响。
2
Introducing magnetic memory effect and detection theory summarily, using the data measured by TSC-1M-4 to analysis the basic feature of the area of stress concentration.
简要介绍了磁记忆效应和检测原理，并用TSC - 1 M - 4测得的数据分析了应力集中区的基本特征。
3
The determination of COD in water by ultraviolet spectrophotometry is to measure the concentration of organic substance based on the feature that organic substance could absorb ultraviolet.