The effect of conditions of pre heating and sterilizing on the quality and storability of vacuum packed sweet corn was studied.

研究了真空包装甜玉米加工过程中预热和杀菌条件对产品质量和储藏期的影响。

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The circuit control methods of pre heating system on diesel engine are introduced and the shortage of manual pre heating methods and the advantages of automatic pre heater are expounded in this paper.

介绍柴油发动机预热系统的电路控制方式，阐述了手动预热方式的不足和自动预热器的优异性能。

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The software can ensure lamp's reliable pre-heating ignition and constant-power operation, and realize two grade dimming control, abnormity protection.

通过软件控制，实现荧光灯预热启动、二级调光、恒功率控制、异常保护等功能。

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The range of connected services is rounded off with a pre-entry climate control option offering individually timed pre-heating or cooling.

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The 59-acre (24 hectare) site will also boast a solar thermal hot water system to pre-heat the water for the heating system, and a biomass boiler that will provide heat using locally-sourced wood chips.

BBC: Bristol and Bath Science Park gets new solar roof panels