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The next heaviest element in the periodic table, the inert gas helium, is used for detecting cracks in pressure vessels and the like.

元素周期表中,接下来的更重些的元素是惰性气体氦气,它常被用作检测压力容器和其他类似东西的裂缝。

Locals claim that there are enough lakes and rivers in the region for each inhabitant to have one of each. They are fond of boasting that the region contains every element in the periodic table.

本地人说,这里的湖泊和河流多得可以让每个居民分得一份;他们也喜欢炫耀这个地方有元素周期表上的每一种元素

Electron Beam Ion Trap uses highly compressed electron beam to ionize ions and atoms to produces highly charged ions. lonization stages of almost any element in the Periodic Table can be produced and trapped for several hours in the EBIT.

电子束离子阱用磁场中高度压缩的高能电子束来电离离子以获得高价态离子,它可以产生元素周期表中任何元素任何价态的离子,并且能够在EBIT中的强磁场和静电势阱中约束足够长的时间。

Group in periodic table with silver-white metallic luster of the solid metal transition elements, but also one of the platinum group element, atomic number Z = 44, atomic weight of 10107, the chemical symbol F No.

周期表中Ⅷ族银白色具金属光泽的固体金属过渡元素,又是铂系元素之一,原子序数Z=44,原子量10107,化学符F号Ru。

Alkaline earth metal Any of the six chemical elements in the second leftmost group of the periodic table (beryllium, magnesium, calcium, strontium, barium, and radium).

碱土金属:碱土金属是元素周期表中的IIa族元素,即铍、镁、钙、锶、钡、镭。

Group in the periodic table there are silver-white metallic luster of the solid metal transition element, atomic number Z = 26, atomic weight of 55847, chemical symbol Fe, there is a stable F isotope 5626Fe and a radioisotope 5526Fe, content of 5% of the earth's crust, accounting for elements of in the fourth place, the metal in the second melting point 1535 ℃, boiling point 2750 ℃, the relative density of 786, the external electronic structure 3d64s2, chemical reactions 2-6 tram F-volatile son, oxidation number of 0, 2, 3, 4 , 5 and 6, the chemical nature of the metal element is very lively, in the humid air combined with oxidation, but also directly with the sulfur, phosphorus, silicon, carbon together.

周期表中Ⅷ族有银白色金属光泽的固体金属过渡元素,原子序数Z=26,原子量55847,化学符号Fe,有一种稳定F同位素5626Fe和一种放射性同位素5526Fe,地壳中含量5%,占元素中第四位、金属中第二位熔点1535℃,沸点2750℃,相对密度786,外围电子结构3d64s2,化学反应时易丢失2—6个电F子,氧化数为0、+2、+3、+4、+5和+6、化学性质很活泼的金属元素,在潮湿空气中能与氧化合,也能直接与硫、磷、硅、碳化合。

The final it's surely to develop three-dimensional Element's Solid Periodic Law from plane to space.

传统二维空间的门氏元素周期律也有其不足之处,是元素平面周期律。

The six noble gases are found in group 18 of the periodic table.

6种稀有气体是元素周期表0族的元素

I tell Aristotle that we have found many more than four basic elements and I show him a periodic table.

我告诉亚里斯多德我们已经发现了远不只四大基本元素,并且给他展示了元素周期表。

Part III comprises a succinct account of the structural chemistry of the elements in the periodic table.

第三部分包括一个在元素周期表中的元素结构化学简洁的帐户。

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