N any of a class of strong transparent thermoplastic resins used in moulding materials, laminates, etc 聚碳酸酯
The invention further provides novel bisphenols and their use for preparing (co) polycarbonates.
本发明还提供了新的双酚和其用于制备(共)聚碳酸酯的应用。
Enclosure is made of casting aluminum alloy with little distortation and high intensity; transparent guard is made of moulded high-intensity polycarbonates;
壳体采用特殊铝合金压铸而成，其变形量小，强度高；透明罩采用高强度聚碳酸脂模压成型；
The first chapter of this thesis gives a general introduction to biodegradable aliphatic polycarbonates including their structures, syntheses and applications.
论文第一章对生物可降解脂肪族聚碳酸酯的种类、结构、合成方法及应用作了简要概述。
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