Thus, the nutrient composition of seawater is maintained by organisms which also stabilize the improbable composition of the atmosphere.
海水中的养分保存在有机物中，有机物对大气层奇异的构成也有稳定作用。
2
The composition, survey method and design characteristic of the seawater hydraulic pump test stand's hydraulic system are introduced.
本文主要介绍海水液压泵试验台的液压系统组成、测试方法及其设计特点等内容。
3
Phase composition of the barrier layer rusts of two alloy steels with different corrosion resistance in seawater was determined by conversion electron Mossbauer spectroscopy for the first time.