化学元素

Potassium: Chemical element , one of the alkali metals, chemical symbol K, atomic number 19.

钾: 一种碱金属化学元素, 化学符号k, 原子序数19.

What's the chemical symbol for mercury?

汞的化学元素符号是什么？

The rest of the chemical elements occur in only minor or trace quantities.

其余的化学元素仅以少量或微量出现.

Iron: Metallic chemical element, one of the transition elements, chemical symbol Fe, atomic number 26.

铁: 金属化学元素, 为过渡元素的一种, 化学符号Fe, 原子序数26.

He could recite the names of all the chemical elements.

他能够朗诵所有化学元素的名字.

Nickel Metallic chemical element, one of the transition elements, chemical symbol Ni, atomic number 28.

金属化学元素, 过渡元素之一, 化学符号ni, 原子序数28.

Sulfur: Nonmetallic chemical element, chemical symbol S, atomic number 16.

硫: 非金属化学元素, 化学符号S, 原子序数16.

Callahan posits that chemical elements radiate electromagnetic signals.

卡拉汉假定化学元素放射电磁信号。

Inorganic Chemistry: Chemical elements, inorganic synthetic chemistry, inorganic solid chemistry, coordination chemistry, bio-inorganic chemistry, organometallic chemistry.

无机化学: 化学元素, 无机合成化学, 无机固体化学, 配位化学, 生物无机化学, 有机化学.

Comparing the amount of elements in litter with which in plantation, the ratio of Na is the highest one with the higher ratio of Ca, Mn, Fe, Zn. These elements will gradually return to the soil.

对比地表枯枝落叶层化学元素总量与人工林元素的积累量，以Na的比值最高，Ca、Mn、Fe、Zn比值次之，元素归还量都较大。

Au is the chemical symbol for gold.

‘Au’是金的化学元素符号.

The atoms of the different chemical elements are different aggregations of atoms of the same kind.

不同化学元素的原子是同类原子的不同聚合物.

A structurally differentiated form of an element that exhibits allotropy.

化学元素的结构分化形式.

Mercury ( quicksilver ): Metallic chemical element, chemical symbol Hg, atomic number 80.

汞 ( 亦称水银 ): 金属化学元素, 化学符号Hg, 原子序数80.

What chemicals combine together to form water?

什么化学元素化合成水?

Iridium: Metallic chemical element, one of the transition elements, chemical symbol Ir, atomic number 77.

铱: 金属化学元素, 为过渡元素的一种, 化学符号Ir, 原子序数77.

Hydrogen: Lightest chemical element, chemical symbol H, atomic number 1.

氢: 一种轻的化学元素, 化学符号H, 原子序数1.

Hydrogen is the lighted chemical element of all.

氢是所有化学元素中最轻的元素.

Lead: Metallic chemical element, chemical symbol PB, atomic number 82.

铅: 金属化学元素, 化学符号PB, 原子序数82.

Each of the chemical elements that makes up the objects radiates at its own characteristic wavelength.

构成这些天体的每一种化学元素都会以它们特有的波长发出辐射.

The carbon-rich fragments were found to contain chemicals similar to one of the key components of DNA, the building blocks of life.

在这种富含碳这种物质的碎片中，科学家们发现，其中具有某种与DNA关键成分相类似的化学元素，此中元素相当于构成生命的基石。

Chemicals in the body break our food down into useful substances.

人体中的化学元素把食物分解成有用的物质.

Tungsten ( or wolfram ) : Metallic chemical element, of the transition elements, chemical symbol W, atomic number 74.

钨: 金属化学元素, 过渡元素之一, 化学符号w, 原子序数74.

Both hydrogen and oxygen are elements.

氢和氧都是化学元素.

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.

Gold, iron and tin are elements.

金, 铁和锡是化学元素.

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.

Nitrogen: Gaseous chemical element, chemical symbol N, atomic number 7.

氮: 气态化学元素, 化学符号N, 原子序数7.

Nuclear fusion has created helium, carbon and other chemical elements.

核聚变已产生了氦气, 二氧化碳和其他化学元素.

Native element: Any of the 19 chemical elements that occur as minerals and are found in nature uncombined with other elements.

自然元素：以自然状态存在于矿物中，不与其它元素结合的十九种化学元素。