The paper elaborates the requirement to the high polymer materials and analyses the complex physical change happened during the spunbond process production.
阐述了纺粘法生产中对聚合物原料的要求以及分析了聚合物在生产过程中所发生的复杂的物理变化。
In the second part, rare earth polymer complex photochromic materials were synthesized and applied.
本论文第二部分对稀土配合物光致变色材料进行了合成及应用研究。
In the second part, rare earth polymer complex photochromic materials were synthesized and applied.
本论文第二部分对稀土配合物光致变色材料进行了合成及应用研究。
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