This paper briefly introduces the realization of automatic monitoring alarm system in NMR water-cooled machine in our hospital, by which we can reduce the damage and prevent liquid nitrogen lost.
简要介绍了我院水冷机自动监控报警系统的实现过程，通过水冷机的监测并以短信的方式通知维修人员迅速赶到现场处理故障，减少液氦的损失，防止失超。
Soybeans are eaten by people and fed to animals. Some farmers grow them to replace lost nitrogen in the soil.
大豆通常被人们用来食用或饲养动物。一些农民种植大豆来更新土壤中丢失的氮元素。
The soils are inherently low in available phosphorus, and nitrogen is quickly lost through leaching and volatilisation.
本来就低的土壤中速效磷，氮迅速通过淋溶和挥发损失。
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