alkaline-earth metals的意思

alkaline-earth metals中文翻譯：

堿土金屬

相似詞語短語

alkaline earth metals───[機] 堿土金屬

alkaline metals───堿金屬

alkaline───adj.堿性的；含堿的

metals───五金

earth───vt.把（電線）[電]接地；蓋（土）；追趕入洞穴；n.地球；地表，陸地；土地，土壤；塵事，俗事；獸穴；vi.躲進地洞

alkaline water───堿性水；堿水

alkaline foods───堿性食品

alkaline battery───[電]堿性電池

coinage metals───錢幣金屬

雙語使用場景

All alkaline earth elements have an oxidation number of +2, making them very reactive. Because of their reactivity, the alkaline metals are not found free in nature.───所有的堿土金屬元素的化合價都是+2，這使他們非常活潑，因為他們非常活潑，也不在自然界中直接出現。

The results of determining the alkaline and alkaline earth metals in the treated gasoline showed there was no loss of metals from the catalysts.───汽油中堿金屬和堿土金屬的測定結果表明，不存在催化劑的金屬流失問題。

of the invention is applicable to the smelting of alkaline-earth metals as well as production, such as alloy smelting, casting, pressure casting, extrusion, etc.───本發明適用于堿土金屬的冶煉及其合金冶煉、鑄造、壓鑄、擠壓等生產。

More broadly, ammonium hydroxide (see ammonia) and soluble hydroxides of the alkaline earth metals are also called alkalies.───更廣義的范圍包括堿土金屬。堿是強堿性的，會使紅石蕊試紙變藍色；

those of the alkaline earth metals (calcium, barium, and strontium), also soluble strong bases, are less stable.───堿土金屬（鈣、鋇和鍶）的氫氧化物也是可溶性的強堿，但穩定性較差。

Strontium Chemical element, one of the alkaline earth metals, chemical symbol Sr , atomic number 38.───化學元素，堿土金屬之一，化學符號sr，原子序數38。

The practice shows that the control and refinement are selected to produce pure alkaline-earth metals compound alloys.───指出雜質的控制與精煉是生產純凈堿土復合鐵合金的必然選擇。

Beryllium: Chemical element, lightest of the alkaline earth metals, chemical symbol Be, atomic number 4.───鈹：堿土金屬中最輕的化學元素，化學符號Be，原子序數為4。

(h)Optical elements, for example, of the halides of the alkali or alkaline-earth metals (heading 90. 01).───光學元件，例如，用堿金屬或堿土金屬鹵化物制成的（品目90。

英語使用場景