| EXAMPLE SENTENCES | ||
|---|---|---|
镍是一种金属元素。 Nickel is a metallic element. | ||
这是一种金属元素，存在于地球的地壳。 It is a metallic element that is found in the crust of Earth. | ||
铅是金精矿中常见的有色金属元素。 The lead is a common non-ferrous metal element in the gold concentrate. | ||
二价金属元素的存在对琼脂的凝胶强度影响最为显著。 The influence of two valence metal on gel strength of AGAR is remarkable. | ||
他们还发现，元素周期表中的第一号金属元素在室温下为气态。 They may also have found the first metal that is a gas at room temperature. | ||
采用双硫腙分光光度法，定量测定藏药“佐志达协”中微量金属元素锌，经试验用王水消解试样。 Microelement zinc content in the traditional Tibetan medicine labeled "Zuo Zhi Da Xie", was measured by dithizone spectrophotometric method with the samples dissolved in aqua regia. | ||
所有的碱土金属元素的化合价都是+2，这使他们非常活泼，因为他们非常活泼，也不在自然界中直接出现。 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. | ||
