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- Difunctionality, which is the essential characteristic of a polymer precursor, may be achieved in many different ways. 能生成聚合物的物质其不可缺少的特点是具有双官能性。这种双官能性可用多种方法获得。
- polymer precursor derived ceramic 聚合物先驱体转化法
- TI: Fabrication of boron nitride ceramic fibers from alkylamino borazine polymer precursors by fiber drawing and heat-treatment. Inventors: Miele, Philippe; Toury, Berangere; Bernard, Samuel,ETC. 摘要：本文研究了含有高密度连续碳纤维氮化硼纤维复合材料的制备方法。探讨了碳纤维与氮化硼纤维不同排布对复合材料性能的影响。
- 49. Difunctionality, which is the essential characteristic of a polymer precursor, may be achieved in many different ways. 能生成聚合物的物质其不可缺少的特点是具有双官能性。这种双官能性可用多种方法获得。
- The precursor of the modern car was a horseless carriage with a petrol engine. 现代汽车的前身是不用马拉的，装有汽油发动机的车子。
- A polymer of two or more different monomers. 共聚物一种由两种或多种不同单体构成的聚合物
- polymer precursor 聚合物先驱体
- Thefirst telephone was the precursor of modern communications networks. 最早出现的电话是现代通讯网的雏型。
- A molecule that can combine with others to form a polymer. 单体可以与其他分子结合形成聚合物的分子
- The precursor or stem cell of a plasma cell. 成浆细胞浆细胞的前体细胞或干细胞
- A precursor cell of a melanocyte or melanophore. 成黑素细胞产生黑素细胞的母体细胞
- Error is often the precursor of what is correct. 错误常常是正确的先导。
- The precursor or stem cell of a plasmacell. 成浆细胞浆细胞的前体细胞或干细胞。
- An originator of a line of descent;a precursor. 前辈家族血脉的开始者；先驱
- Ferric Chloride alone gives polymer with benzene. 三氧化铁可单独催化苯的聚合。
- An originator of a line of descent; a precursor. 前辈家族血脉的开始者;先驱。
- A severe cold may be the precursor of pneumonia. 重伤风可能是急性肺炎的先兆。
- Lysine is a precursor of certain alkaloids. 赖氨酸是某些生物碱的前体。
- The viscosity of the polymer was 2.16 poise. 聚合物的粘度为2.;16泊。
- The first ribin us a precursor of spring. 头一只知更鸟是春天的先兆。
