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Through the test,the optimal hydraulic retention time was found to be within 6h~8h,NH3-N increasing rate,within 90%~96%,and a new phenomenon of anaerobic ammoniation was found.

采用ABR工艺对肉类加工废水进行前期氨化处理,通过试验得到最佳水力停留时间为6~8h,氨氮递增率在90%~196%之间;同时发现了厌氧氨氧化这一新现象;最后对氮素、pH等水质指标在氨化反应过程中的的转化规律进行了分析,以期为肉类加工废水的生物脱氮处理工艺提供一定的理论指导。

Water quality indexes in the course of ammoniation reaction was analysed to provide theoretical guiding for the biological denitrification of meat processing wastewater .

采用ABR工艺对肉类加工废水进行前期氨化处理,通过试验得到最佳水力停留时间为6~8h,氨氮递增率在90%~196%之间;同时发现了厌氧氨氧化这一新现象;最后对氮素、pH等水质指标在氨化反应过程中的的转化规律进行了分析,以期为肉类加工废水的生物脱氮处理工艺提供一定的理论指导。

The experimental result of anaerobic ammoniation shows, the most appropriate hydraulic retention time is between six and eight hours, the longer the HRT , the higher the rate of NH3-N net increase.

现场调查分析表明,屠宰废水是一类富含有机氮的有机废水,其NH_3-N浓度在整个生物处理工艺过程中存在一定变化规律,特别在厌氧之后,NH3-N浓度将大幅增加(净增加70%—150%),显然多数以进口NH_3-N指标进行硝化及反硝化的设计是错误的,且是导致NH_3-N难以达标的一个重要原因。

The difference in anaerobe distribution and granule size between the two kinds of sludges resulted in smaller sorption capacity of sludge from EGSB reactor, which made the difference in resistance to PCP.

两种颗粒污泥微生物组成的差异和粒径大小的不同是导致EGSB反应器颗粒污泥对PCP的吸附量小于UASB反应器颗粒污泥的主要原因,而这是两种厌氧颗粒污泥对PCP毒性耐受能力不同的原因之一。

Polyethylene glycol dimethacrylate, one of the fine chemical intermediates is the main ingredient of anaerobe. With the development of adhesives, the domestic production of polyethylene dimethacrylate has been challenged from many aspects, therefore, to improve the production technics and yields has been the key problem to resolve at present.

缩乙二醇双甲基丙烯酸酯——精细化学品中间体之一,作为胶粘剂中厌氧胶的主剂,在胶粘剂日益发展的今天,国内的缩乙二醇双甲基丙烯酸酯生产受到了很多方面的挑战,因此,改进生产工艺,提高产率是目前缩乙二醇双甲基丙烯酸酯生产首要解决的问题。

Under the same technologic condition, the results of anaerobic digestion are very different with the variety of property.

在相同的处理工艺和条件下,不同性质的固体有机物使得厌氧消化处理的结果具有很大的不同。

5 kinds of paddy soil treatments were studied, then each microorganism biocoenosis was extracted or bacterial strain was dissociated. Artificial synthesis ferric oxide was considered only electron acceptor, which inoculated soil leaching liquor or bacterial strain with reduction function in mineral salt culture system under anaerobic constant temperature condition. After different temperature treatments towards leaching liquor, temperature was controlled and AQDS added into culture system in order to discuss the effect of temperature and AQDS on ferric oxide microorganism reduction process.

采用5种水稻土为供试材料,分别提取微生物群落或分离铁还原菌株;以人工合成氧化铁作为惟-电子受体,在无机盐培养体系中接种土壤浸提液或具有铁还原功能的菌株,厌氧恒温培养;通过对接种液的不同温度处理(40, 50, 60, 70℃)、对培养温度的控制(30和50℃)以及向体系中添加AQDS,探讨温度及AQDS对氧化铁微生物还原过程的影响。

METHODS:The minimum inhibitory concentration and the minimum bactericidal concentration of tinidazole lotion were m easured using tube culture test in vitro.In vivo effect of tinidazole lotion on trichomonas vaginalis were studied with the model of trichomonas vaginalis in ra bbits.

采用肉汤试管稀释法测定抗厌氧菌的MIC及MBC;采用家兔阴道感染人阴道滴虫的模型,观察其抗阴道毛滴虫的作用。

As a conclusion, it was proposed that, according to the characteristics of the wastewater to be treated, adding some simple organic materials with the ability of self-fermentation into the influent might help in speeding up the start-up course of anaerobic absorption system.

由此提出当采用本文的厌氧快速吸收新工艺处理实际废水时,可依水质情况考虑投加适量能自发酵解产能的简单有机物,以加快系统的启动进程。

AeT workouts of this duration are done once or twice weekly per sport in the Base period.

这个时期的厌氧阈值训练要针对基本周期的每项运动做每周1-2次的训练。

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