condensation process

Polybutylene terephthalate ( PBT ) is a semicrystalline thermoplastic polymer formed by a condensation process.

PBT是一种通过浓缩成型而制备的,一种半结晶热塑性塑料.

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Esterification reaction mainly takes place in the process of condensation reaction.

缩合反应阶段主要是酯化反应。

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Methyl-situ-modified silica sols were obtained by hydrolysis and co-condensation reactions occurred in base-catalyzed system by carefully controlling the sol-gel process of Methyltriethoxysilane ( MTES) and Tetraethoxysilane ( TEOS).

在碱性条件下通过TEOS和MTES的共水解缩聚反应制备了单甲基原位改性的SiO2溶胶，并使用提拉法在K9玻璃基片上镀制了疏水减反膜。

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Condensation reaction of piperazine is a very important step in the process synthesis of ciprofloxacin.

呱嗪缩合反应是环丙沙星生产工艺中的关键步骤.

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In condensation heat transfer process, the presence of non-condensable gas greatly deteriorates the heat transfer efficiency.

蒸汽冷凝传热中, 不凝气的存在将导致传热过程的严重恶化,所以研究不凝气对冷凝传热的影响,历来受到重视.

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Polycondensation catalyst may has bad effect on polyester afterprocessing properties.

缩聚催化剂会对聚酯后加工性能产生不良影响.

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In the process of ash formation, mass transfer mechanism is composed of inertial impaction, turbulent diffusion, thermophoresis, condensation, and chemical reaction, among the five ash deposition mechanisms, inertial impaction plays major contribution to mass accumulation of deposition.

在积灰形成过程中，成灰物质的传质机理主要包括惯性撞击、湍流扩散、热泳力扩散、冷凝机理和化学反应等五类，其中积灰绝大部分的质量份额来自于惯性撞击的贡献。

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The key equipment in polycondensation phase of non-phosgene process was emphatically introduced.

同时,介绍了 非 光气法缩聚阶段的关键设备.

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After the process of chlorination, hydrolytic decomposition and condensation the hemopexis acid amine product was obtained.

用胡椒醛为起始原料,经氯化 、 水解、缩合,制得血凝酸胺.

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In order to reasonably explain the origin relation between meteorites, Earth and terrestrial planets, to discuss the Earth's source and estimate earth's bulk composition, it is necessary to set up a Petrological model for condensation process of solar nebula in terrestrial planet region.

建立类地行星区太阳星云凝聚过程的岩石学模型，对于合理解释陨石、地球和类地行星的成因关系，探讨地球起源和估算地球的整体成分都有着重要意义。

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In the sol_gel process of TEOS ( tetraethoxysilane), the effects of catalysts on hydrolysis reaction, condensation reaction and gelling properties were discussed.

探讨了正硅酸乙酯的溶胶－凝胶过程中，氢氟酸，盐酸，氨水，硫酸和醋酸等催化剂对水解、聚合和胶凝时间的影响。

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Condensation reaction of piperazine is a very important step in the process of synthesis of ciprofloxacin.

摘要呱嗪缩合反应是环丙沙星生?工艺中的关键步骤.

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Single-pipe filling rising film condensation and crystal desalination is a developed process to treat waste acid.

单管填料升膜浓缩结晶脱盐法是一种治理废酸液的新工艺.

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