以下为句子列表：
英文: A brief account is given of the mechanics of anti-scale, scale removal, corrosion inhibition, suppression of bacteria and algae, purification of water, use in circulation with the LHE polymer.
中文: 摘要LHE聚合物的防垢、除垢、缓蚀、抑菌藻、净化水质、循环使用的机理进行了简要的阐述。
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英文: A ceremonial purification of the entire ancient Roman population after the census every five years.
中文: 驱邪仪式古罗马每五年普查人口后对全体国民进行的净化仪式
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英文: A flue gas purification system by using circulatory suspension type semi-dry method has been presented, the intermediate test and commercial application of said system being accomplished.
中文: 摘要介绍一种循环悬浮式半干法烟气净化系统，该系统已完成了中试及工业应用。
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英文: A review with 32 references is given on the present research situation of new products, extraction, purification and modification of the natural poly-functional edible pigment. Its developing trend also analysed.
中文: 摘要介绍了天然多功能食用色素的新品种、制备方法、纯化方法和改性研究的进展，并分析了天然多功能食用色素的发展趋势。
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英文: A theoretical model for purification of waste gas of low concentration in trickling biofilter was established with simplifying, the polyhole filter in the trickling biofilter to a parallel plat plates passage covered with biofilm.
中文: 摘要将生物膜滴滤塔内的多孔填料简化爲壁面覆盖有生物膜的平行平板通道，建立了一个净化低浓度有机废气的理论模型。
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