【摘 要】
：
德国近来用凝冰法防霜安全有效,且已普及其周围各国,用特专文予以介绍。一、凝冰防冻的原理冷天摘一片马铃薯叶子逐渐冷却之,露水随即凝结叶面,当气温降至-3.0℃时仍未结冰(
【机 构】
：
日本九洲大学,西北农业科学研究所,
论文部分内容阅读
德国近来用凝冰法防霜安全有效,且已普及其周围各国,用特专文予以介绍。一、凝冰防冻的原理冷天摘一片马铃薯叶子逐渐冷却之,露水随即凝结叶面,当气温降至-3.0℃时仍未结冰(水的过冷却
In recent years, Germany has been using anti-frost ice cream safe and effective, and has spread its surrounding countries, with a special language to be introduced. First, the principle of freezing ice Antifreeze Cold day pick a piece of potato leaves gradually cooling, dew then condensation leaves, when the temperature dropped to -3.0 ℃ still not frozen (water subcooling
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