[机] 碱土金属

alkaline earth metal───碱土金属

alkaline-earth metals───碱土金属

alkaline-earth metal───碱土金属

alkaline earth elements───碱土元素

alkaline earth element───碱土元素

alkaline earths───碱土族；碱土

alkaline earth───n.碱土金属

alkali metals───n.碱金属

rare-earth metal───[化学]稀土金属

Strontium Chemical element, one of the alkaline earth metals, chemical symbol Sr, atomic number 38.───化学元素,碱土金属之一, 化学符号sr, 原子序数38.

Beryllium : Chemical element , lightest of the alkaline earth metals, chemical symbol Be, atomic number 4.───铍: 碱土金属中最轻的化学元素, 化学符号Be, 原子序数为4.

More broadly, ammonium hydroxide (see ammonia) and soluble hydroxides of the alkaline earth metals are also called alkalies.───更广义的范围包括碱土金属。碱是强碱性的，会使红石蕊试纸变蓝色；

Beryllium: chemical element, lightest of the alkaline earth metals, chemical symbol be, atomic number 4.───铍：碱土金属中最轻的化学元素，化学符号Be，原子序数为4。

The results of determining the alkaline and alkaline earth metals in the treated gasoline showed there was no loss of metals from the catalysts.───汽油中碱金属和碱土金属的测定结果表明，不存在催化剂的金属流失问题。

But the fact that the excess bariums are responsible for electron emission may be reconciled with the deficiency of alkaline earth metals during life by the dynamical surface emission center model.