网站首页  词典首页

请输入您要查询的英文单词或汉字:

 

词汇 alkaline earth
释义 alkaline earth ˈælkəlɪnə:θ 短语¹¹⁴⁴⁶⁷⁺
基本英英近义反义例句
n.碱土金属;碱土族

Noun:
any of the bivalent metals of group II of the periodic table calcium or strontium or barium or magnesium or beryllium近义词 alkaline-earth metal碱土金属
The development of solvent extraction separation of alkaline earth elements was reviewed, according to the classification of extractants.
本文就碱土金属离子萃取分离的进展情况,按萃取剂的分类进行了综述。 chemyq

The paper discusses the solution differences between alkali metal hydroxide and alkaline earth hydroxide from thermodynamics.
从热力学角度探讨了碱金属氢氧化物和碱土金属氢氧化物的溶解度问题。 chemyq

The process of sol- gel method to prepare alkaline earth aluminate and the properties of the product obtained by this method were discussed in detail.
着重对溶胶-凝胶法制备超细碱土铝酸盐长余辉发光材料的过程及得到的产品性能做了详细阐述。 cnki

An ion chromatographic method for the determination of alkaline and alkaline earth metal cations in high concentration organic wastewater is developed.
建立了用离子色谱法测定高浓度有机废水中常见的碱金属、碱土金属离子含量的方法。 cnki

Developing alloy supporters, new Pd-only TWC, transition metal oxides and alkaline earth oxides as promoters will be the research points for TWC.
开发金属合金载体,以及新型单钯催化剂、过渡金属型或稀土钙钛矿型催化剂是今后三效催化剂研究的热点。 chemyq

Orthophosphite ions produced by oxidation of hypophosphite in an electroless nickel plating bath can be removed by precipitation with an alkali metal or alkaline earth metal cation such as calcium.
在无电镀镍浴中因次磷酸根氧化而产生的亚磷酸根离子,可以通过碱金属或碱土金属阳离子如钙的沉淀作用而去除。 sinopat

The determination of alkali metal and alkaline earth metal ions by single- column cation chromatography was described.
本文用单柱离子色谱法测定了碱金属和碱土金属离子。 cnki

The difference can be used to improve the separation between alkaline earth and transition metal ions.
这种差异可用于改善碱土金属与过渡金属离子之间的分离状况。 cnki

The oxidative dehydrogenation of ethane to ethylene was studied over alkaline earth oxides promoted with alkaline metal chlorides.
报道了乙烷在以碱金属氯化物作为助剂的碱土金属氧化物催化剂上的氧化脱氢。 cnki

This article deals with the toughening mechanism of PP composite filled with alkaline earth salt and effects of amount of alkaline earth salt used on the properties of the composite.
本文研究了碱土金属盐填充聚丙烯复合材料增韧机理及碱土金属盐含量对填充体系性能的影响。 cnki

Tobacco ash content, total alkaline earth metal and sulfate are the important indexes of tobacco chemical character. Its analytical methods have been introduced early.
烟草灰份含量、碱土金属离子总量与硫酸根离子的含量,均属重要的化学性质指标,其测定方法,早有多种介绍。 cnki

With alkali- boron- silicon as the basis and addition of alkaline earth composite fluxing agent, a kind of leadless fluxing agent is developed.
以碱-硼-硅系统为基础,加入碱土金属氧化物复合助熔剂,研制无铅釉上彩熔剂。 dictall

Alkaline earth aluminate plastic excited by high intensity light had the properties of high brightness, long afterglow time.
在高强度光的激发下,碱土铝酸盐发光塑料辉度高,余辉时间长; cnki

Alkaline earth metal elements Ca, Mg appeared in the form of composite oxides, and the majority of composite precipitates were rich in manganese Mn and sulphurS.
碱土金属元素 Ca、 Mg以复合氧化物的形式出现,且大多数复合析出物都富含 Mn和 S。 say666

Alkaline earth metal ions were determined with tartaric acid ethylenediamine as mobile phase.
用非抑制型离子色谱法测定了碱金属和碱土金属离子。 dictall
随便看

 

英汉汉英双解词典包含9999994条英汉翻译词条,涵盖了常用英语单词及词组短语的翻译及用法,是英语学习的必备工具。

 

Copyright © 2000-2024 tbdmj.com All Rights Reserved 更新时间:2024/12/23 8:58:01