Calculation of load-carrying capacity of RC beams externally bonded with prestressed composite laminate under sustaining load Simulate experimental study on bending bearing capacity of the colour steel sandwich panel 预应力片材加固负载RC梁受弯承载力分析彩钢夹芯板受弯承载力模拟试验研究
Black colour PE/ Aluminized paper composite is introduced to improve the package of photographic film materials, whose basic structure is black colour PE plastics/ Aluminium foil/ paper three-layer structure. 黑色聚乙烯/铝裱纸复合材料是为改进胶片类感光材料的包装而研制的。其基本结构是黑色聚乙烯塑料/铝箔/纸三层复合结构。
The composite of special fatty acid zinc soap and other fatty acid soap can delay colour change, remarkably improve long stability and weather resistance, shows good synergistic stable effect. 特种脂肪酸锌与其它特种脂肪酸皂复合,能改善初期着色,长期稳定性好,同时制品的耐候性也得到显著的改善,表现较好的协同稳定效果。
New composite pastes, retaining all superior performance characteristics of sodium alginate and possessing of better structural viscosity and good penetrability, have been proved by practice that it can improve surface colour yield and achieve good printing effect. 新型复合糊料保留了海藻酸钠糊的各项优异性能,并具有更好的结构粘度和良好的渗透性,经实际应用新型复合糊料能提高表观给色量和有良好的印制效果。
A 2D spectrum analysis of PAL composite video signals is given and a two dimensional overlapping lowpass digital filter is used to reconstruct the colour image. The experimental results and some pictures are also given. 介绍了PAL电视信号的二维序谱和用于重构的二维低通重叠序率滤波器,并给出了实验结果和一些照片。
The composite of zinc stearate and other stearate soap can delay colour change, but its long stability and weather resistance are bad. 硬脂酸锌与其它硬脂酸皂复合,能改善初期着色,但长期稳定性差,耐候性也不好;
Results showed that the composite of short time type of zinc soap and any long time type of metal soaps had remarkably delayed colour change and also had good synergistic effect of stability. 研究结果表明:初期型锌皂与其它长期型金属皂复合能显著改善初期热烘变色,表现良好协同稳定作用;