The recent progress in the fnctional high performance polymers and their uses as separating membrane, conductive polymers, nonlinear optics and transparent materials is described.
对高性能聚合物功能化及分离膜、导电、非线性光学、透光材料等功能材料的研究进展作了较为详细的介绍。
With the replacement of glazing material by plastic, more and more attention has been paid to the water drop problem in the greenhouse.
作为温室透光覆盖材料的塑料薄膜的流滴性日益受到关注,为此,已开发出各种无滴膜、无滴板,以改善温室透光覆盖材料的流滴性。
Light transmissivity is one of the essential parameters in greenhouse glazing materials.
透光性能是温室透光覆盖材料最基础和最重要的性能特征,聚碳酸酯中空板用作温室透光覆盖材料具有强度高、保温能力强等特点,在温室上大量应用,但由于其为非均质材料,如何正确测定和评价其透光性能,是温室行业一直关注和争论的一个焦点。
With the replacement of glazing material by plastic, the water drops problem in the greenhouse becomes more and more outstanding.
介绍了温室透光覆盖材料流滴性测定方法——倾斜面上滞留水滴面积比法中,对滞留水滴面积比这一检验指标的分析确定方法。