The shape and size distribution of ice crystals in the frozen wet gluten were studied indirectly by microscopy and mercury porosimeter.

扫描电镜和压汞仪间接观察和析了冷冻的湿面筋蛋白中冰晶的形状和粒度。

Operating costs of using the steam jet refrigeration system to cool the temperature of water in air conditioning system are lower than the refrigerative compressor.

蒸汽喷射制冷设备作为空气调节系统的冷源,不论基建费及常运转费方面均较氨冷冻机来得,此近年来它已渐为有关工业部门所重视。