atmospheric oxygen meaning in English
大气氧
大气中的氧气
Examples
- Rust is the product of a slow combination of iron with atmospheric oxygen and water vapor .
锈是铁和空气中的氧和水蒸汽缓慢结合的产物。 - Plants are the main source of atmospheric oxygen
大气中的氧主要是由植物产生的。 - In the older rocks below these glacial deposits are detrital uraninite and pyrite , two minerals considered evidence for very low levels of atmospheric oxygen
这些冰河沉积物下方的较老岩层，是沥青铀矿与黄铁矿碎屑；这两种矿物被认定为大气中氧气极为稀少的证据。 - This hematite is gray , however , because the grain size is larger . ) the layering of these distinct rock types indicates that the huronian glaciations occurred precisely when atmospheric oxygen levels first rose
这些层次分明的岩种，暗示著休伦冰期恰好发生于大气中的氧气浓度初升之际。