Recent advances in biodegradable polymeric materials

生物降解高分子材料的研究新进展

属类：化学及生命科学-化学-论文文摘

The potential applications of biodegradable polymers in the fields of biomedical implantation and drug release, packaging and agriculture were also briefly introduced.

简述了生物降解高分子材料在生物医学、包装和农业领域的潜在应用。

属类：化学及生命科学-化学-论文文摘

biodegradable polymeric material, biodegradability, degradation mechanism

生物降解高分子材料,降解机理,生物降解性

属类：化学及生命科学-化学-论文文摘

Applications of biological technique in petrochemical industry

生物技术在石油化工中的应用

属类：化学及生命科学-化学-论文文摘

The application fields of biological technique in petrochemical industry were summarized according to the development trend of biological engineering,.

结合生物工程的发展趋势,概述了生物技术在石油化学工业的应用领域

属类：化学及生命科学-化学-论文文摘

biological plastic, biological pesticide

生物塑料、生物农药

属类：化学及生命科学-化学-论文文摘

The characteristics, status of production and application, developing prospects, technical headways and problems in industries of biological catalyst,biological fertilizer,biological environmental protection and traditional biochemicals were discussed.

探讨了生物催化剂、生物化肥、生物环保及传统生化产品等行业的特点、生产应用状况、开发前景、技术进展及存在的问题。

属类：化学及生命科学-化学-论文文摘

Separation of VOCs from aqueous solution by pervaporation

水溶液中挥发性有机化合物渗透蒸发分离技术

属类：化学及生命科学-化学-论文文摘

The different processes commonly applied in volatile organic compounds (VOCs)separation were introduced in detail, and the technical advantages of pervaporation were emphatically pointed out

介绍了水溶液中挥发性有机化合物(VOCs)的各种分离方法,重点分析了渗透蒸发分离技术经济优势。

属类：化学及生命科学-化学-论文文摘

Selection criteria for membrane material were described.

阐释了渗透蒸发膜的选择标准

属类：化学及生命科学-化学-论文文摘

The mass transfer mechanism involved in pervaporation process was briefly summarized. The effecting factors of feed concentration, temperature, flow, permeating pressure, additive, module design on pervaporation performance were discussed.

渗透蒸发过程的传质机理,以及原料液浓度、原料液温度、原料液流量、渗透侧压力、添加剂和膜组件型式等因素对渗透蒸发过程分离效率的影响

属类：化学及生命科学-化学-论文文摘

The development tendency of pervaporation in VOCs separation was also predicted.

并简要预测了渗透蒸发过程的发展趋势与动态。

属类：化学及生命科学-化学-论文文摘

aqueous solutions , pervaporation

水溶液,渗透蒸发

属类：化学及生命科学-化学-论文文摘

Design on using iron filings reaction bed combined with biological contact oxidizing tower to deal with disperse dyestuff waste water

利用铁屑反应床和生物接触氧化塔处理分散染料废水的设计

属类：化学及生命科学-化学-论文文摘

The technological process, engineering parameter and running results of using iron filings reaction bed combined with biological contact oxidizing tower to deal with disperse dyestuff waste water was introduced.

介绍了采用铁屑反应床和生物接触氧化塔相结合处理分散染料废水的工艺流程、工程设计参数和运行结果。

属类：化学及生命科学-化学-论文文摘

The results indicate that pretretment with iron filling reaction bed can greatly improve ability of bio-treatment properties of waste water and the running fee is reduced.

通过铁屑反应床进行预处理,提高了废水的可生化性,降低了运行费用。

属类：化学及生命科学-化学-论文文摘

The waste water treated by this method can come up with GB8928-88 standard.

经过处理的染料废水完全满足GB8928-88排放标准。

属类：化学及生命科学-化学-论文文摘

Methods of using the heavy components in butyl alcohol and octyl alcohol production

丁辛醇生产中重组分的利用途径

属类：化学及生命科学-化学-论文文摘

carbonyl reaction, heavy components

羰基化反应,重组分

属类：化学及生命科学-化学-论文文摘

Production by ermentation and purification of xanthan gum

黄原胶的发酵生产和提纯

属类：化学及生命科学-化学-论文文摘