从主链结构、液晶基元类型和柔性间隔出发介绍了侧链液晶高分子分子设计的关键。
The keys in molecular design of side chain liquid crystal polymers are analyzed from the main chain structures, types of main units and flexible spacing.
采用不同主链结构的含硼稀丙基树脂改性双马来酰亚胺(B MI)树脂,并对其预聚工艺、反应性、 固化树脂力学性能、耐烧蚀性能及玻璃布层压板性能进行了研究。
This paper studied the properties of modified resin, which is copolymering by BMI and different main chains of allyl resin containing boron. The composite of these resins was discussed.
That can happen but that's abnormal, but changes in maybe the chemistry of the backbone that holds the nucleotides together.
这可能发生的,但属于非正常的变化,而是改变诸如维持核苷酸序列的,主链的化学结构
It's phosphate, carbon, carbon, carbon, phosphate, carbon, carbon, carbon, phosphate and it has this structure hanging off the side.
就是磷酸基与戊糖的碳反复连接,如此循环往复,这种结构构成了主链的一边
The backbone's on the outside of the molecule like the upright struts of a ladder on the outside of a ladder.
主链位于DNA分子结构外侧,像梯子两侧上下的支柱,记住是梯子外侧
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