所形成的药物三磷酸毒性分子，可以抑制DNA并竞争性的掺入细胞DNA链中，使DNA链破碎，杀死细胞。
The toxic tri-phosphoric acid molecules can repression DNA polyenzyme and competitive enter DNA chains of cells. As a result, DNA chains are broken and cells are killed.
我们通过“一锅法”合成不对称化合物，缩短了化合物上一条侧链的方法来降低分子的对称性。
We have synthesised unsymmetrical compounds through a "one-pot"process, achieving reduced symmetry by shortening one side chain of target compound.
同时，由于炭黑吸附在PVC分子链上，降低了PVC的流动性，即降低了加工性能，但提高了其玻璃化温度和力学强度。
Meanwhile , the absorption of carbon black on PVC molecular chain can reduce the flowability of PVC, but can increase its glass transition temperature and mechnical property.
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