kreep

听听怎么读

[kri:p]

是什么意思

克里普矿物；

英英释义

KREEP

KREEP, an acronym built from the letters K (the atomic symbol for potassium), REE (Rare Earth Elements) and P (for phosphorus), is a geochemical component of some lunar impact breccia and basaltic rocks. Its most significant feature is somewhat enhanced concentration of a majority of so-called "incompatible"elements (those that are concentrated in the liquid phase during magma crystallization) and the heat-producing elements, namely radioactive uranium, thorium, and potassium (due to presence of the radioactive 40K).

以上来源于:Wikipedia

学习怎么用

权威例句

KREEP
Origin of KREEP
The origin of KREEP
The origin of KREEP
The origin of KREEP. [lunar composition
The “Procellarum KREEP Terrane”: Implications for mare volcanism and lunar evolution
Metasomatic products of the lunar magma ocean: The role of KREEP dissemination
The materials of the lunar Procellarum KREEP Terrane: A synthesis of data from geomorphological mapping, remote sensing, and sample ...
Zr and Nb partition coefficients: Implications for the genesis of mare basalts, KREEP and sea floor basalts
SIMS U–Pb study of zircon from Apollo 14 and 17 breccias: Implications for the evolution of lunar KREEP

k开头的单词