英汉例句

• the realistic models have been established for the continuous pet melt polycondensation process in new falling film reactors and verified by pilot-scale experimental data.

  此外，建立了流场结构化降膜缩聚反应器中的聚酯熔融缩聚过程模型，模拟了过程反应与传质的耦合效果。

• the influence of melt polycondensation and solvent refluxing methods of lactide polymerization and chain extension agents on relative molecular weight of polylactide was studied.

  研究了乳酸熔融缩聚和溶剂回流脱水缩聚两种聚合方法及几种扩链剂对乳酸聚合物相对分子质量的影响。

• poly(l-lactic acid)(plla) was directly prepared through melt polycondensation started from industrial l-lactic acid under continuous microwave irradiation.

  连续微波辐射条件下，以工业l-乳酸为原料，直接熔融缩聚合成聚l-乳酸（plla）。

• it has significance in the kinetic study of melt polycondensation of aromatic polyesters and for the discussion of reaction process and mechanism.

  这对于讨论芳香族聚酯的缩聚过程及研究反应机理，都是很有意义的。

• the measures that optimizing the internal quality of bottle grade chip in the melt polycondensation and ssp stage were studied.

  研究了熔融缩聚和固相缩聚阶段优化该瓶片内在品质的措施；

• the amelioration of the traditional method of the pla melt polycondensation is also discussed.

  综述了催化剂对聚乳酸熔融缩聚的影响，以及对乳酸熔融缩聚传统方法的改进。

• explain why the polyanhydrides were synthesized by melt polycondensation of mixed anhydrides of dicarboxylic monomers and acetic acid, rather than direct dehydration of dicarboxylic acids?

  大致意思是为什么聚酸酐是用二元羧酸单体和乙酸熔融缩聚反应合成，而不是直接二元羧酸脱水?。