1.
Experimental Study for the Influence Mechanism of the Contents of Alkali Elements, Lithium, Sodium, Potassium to Electric Conduction in the Fly Ash;
锂、钠、钾等碱金属元素对飞灰介电性质影响机理的实验研究
2.
Control Alkali Metals During BF Smelting Operation at Nangang
南(昌)钢碱金属元素在高炉冶炼过程中的跟踪控制
3.
Effects of Doping Alkaline Metal Proportion on Degradation and Mineral Precipitation of Calcium Polyphosphate
碱金属元素掺杂比例对聚磷酸钙降解和矿化性能的影响
4.
a soft silver-white or yellowish metallic element of the alkali metal group; turns yellow in air; occurs in celestite and strontianite.
一种软质的银白色或淡黄色碱金属元素，在空气中变黄，见于天青石和菱锶矿中。
5.
INVESTIGATION OF ENHANCEMET EFFECT OF ORGANIC REAGENT ON YTTERBIUM IN THE PRESENCE OF ALKALI METAL IONS IN AAS
在碱金属元素存在下有机试剂对镱的空气-乙炔火焰原子吸收光谱分析的增敏作用
6.
Improvement of AB_3-type Hydrogen Storage Alloy by Adding Alkaline-earth Metals
碱土金属元素改性AB_3型贮氢合金
7.
a radioactive element of the alkali-metal group discovered as a disintegration product of actinium.
一种碱金属属的放射性元素，是锕瓦解的产物。
8.
a soft silvery metallic element of the alkali earth group; found in barite.
一种软质银色的金属元素，属碱土金属，见于重晶石中。
9.
The elements such as copper, sliver and gold, the so-called coinage metals, are sometimes treated with the alkalis.
诸如元素铜、银和金等所谓的货币金属，有时被与碱金属一同看待。
10.
Os(atomic No76)
(一种金属元素) 锇
11.
optical element of the halides of the alkali or alkaline-earth metals, unmounted
碱金属或碱土金属卤化物光学元件,未装配的
12.
a soft silver-white univalent element of the alkali metal group; the lightest metal known; occurs in several minerals.
一种银白色软质单价元素，碱金属属，已知最轻的金属，存在于许多矿物中。
13.
"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。
14.
a soft silver-white ductile metallic element (liquid at normal temperatures); the most electropositive and alkaline metal.
一种质地柔软的银白色韧性金属元素（常温时为液体），是最具正电性与碱性的金属。
15.
systematic inorganic chemistry of metallic elements
金属元素系统无机化学
16.
A nonmetallic element, such as carbon, that can form an alloy with metals.
非金属能与金属结合生成合金的非金属元素，例如碳元素
17.
Element 32 is the most reactive nonmetal.
元素32是活性最大的非金属元素。
18.
A nonmetallic element, such as arsenic, that has some of the chemical properties of a metal.
准金属，类金属具有一些金属化学特性的非金属元素，例如砷