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Aseptic preservation in tank is an advanced technology to prevent spoilage of half-finished fruit and vegetable products. It can be applied to tomato paste, vegetable juice and other fiuid food products. After being sterilized and cooled, the product is packed into the tanks asepticly. The storage life can be more than half an year at ambient temperature and the final quality conformed to the requirement for further processing. This preserving method can lengthen the processing season of fruit and vegetable... Aseptic preservation in tank is an advanced technology to prevent spoilage of half-finished fruit and vegetable products. It can be applied to tomato paste, vegetable juice and other fiuid food products. After being sterilized and cooled, the product is packed into the tanks asepticly. The storage life can be more than half an year at ambient temperature and the final quality conformed to the requirement for further processing. This preserving method can lengthen the processing season of fruit and vegetable products,raise the utilization rate of equipments. The mainly equipments included are an aseptic valve, a gas clarifying system and a set of continuously scraped surface heat exchanger. The T-echnology has already succeeded in tomatos paste preservation in 0.5m2 and 20m2 tanks. 大容器无菌保藏是果蔬半成品保藏的新技术,适用于番茄酱、蔬菜汁等。半成品果蔬原料杀菌冷却后在无菌条件下装入预先灭菌的清洁大容器内,可在常温下贮藏半年以上,其质量符合加工标准。用这种贮藏方法可以延长加工季节,提高设备利用率。主要设备包括无菌阀门、气体净化系统、刮板式连续杀菌冷却机等,已成功用于0.5m。和20m~3贮罐的番茄酱无菌保藏。 There exist problems in jointly operated share enterprises in towns and countries such as difficulty in clarifying property right,getting the same reward as everyone else regardless of one's performance in work,low position and difficulty in the exchange of stocks.Therefore,there should be a clarified system of property right and a rational distribution to realize the system of democratic enterprise management and supervision to set up local capital markets. 乡镇企业股份合作制存在产权界定难、“大锅饭”、地位低、股权不易流动问题。股份合作制企业产权必须明晰化 ,分配制度合理化 ,实现企业民主管理和监督的制度化 ,创办地方资本市场 Proceeding from long term examination of some clarifying system in operation,a comprehensive analysis is carried out on the clarifying system in an aluminium electrolysis shop with the related theory integrated with actual data of detection,and then practical and effective measures/ suggestions are provided to prolong useful life cycle,assure high efficient operation of the clarifying system,and also to improve environmental conditions in the course of aluminium electrolysis. 本文根据对铝电解净化设备运行状况的长期考察,并运用有关理论,对铝电解净化系统进行了综合分析,提出了提高设备寿命周期和使设备高效运行以及改善电解卫生环境的措施和方法建议。
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