Alkaline soils derived from chalk or limestone.

DFT Studies on the Electronic Structure of C_ ( 36) ( D_ ( 6h) Symmetry) and its Alkaline Earths Metals Derivatives

具有D（6h）对称性的C（36）碱土金属衍生物电子结构的密度泛函研究

Surface Area Stability of Al_2O_3 Modified by Alkaline Earths

碱土金属修饰Al2O3的表面热稳定性

Based upon these experiments, a simple and rapid extraction method is proposed for the isolation of carrier-free alkaline earths and rare earths from fission products mixture.

在此基础上制定了一个从混合裂片中提取无载体碱土和希土两组核素的萃取流程，方法简单快速。

Separation and determination of alkali metals and alkaline earths by ion chromatograph with single COLUMN-SINGLE conductivity detector

单柱离子色谱测定碱金属与碱土金属的研究及应用

2,4-DCP could be completely converted and the liberation of the inorganic chloride improved remarkably by adding alkaline metal oxides or alkaline-earth metal oxides into CuO/ γ-Al2O3 catalyst after 2 h of reaction at 30 ℃.

碱金属和碱土金属氧化物添加到CuO/γ-Al2O3催化剂，30℃，反应2h，2,4-二氯酚能够被完全转化，并且氯离子的去除率也显著提高。

Higher catalytic activities were achieved by adding alkaline-earth metal oxides to γ-Al_2O_3, among which the catalytic activity of adding 20% ( mass fraction) of MgO was the best.

实验结果表明，添加碱土金属氧化物的γ-Al2O3催化剂的催化活性比添加酸性氧化物的γ-Al2O3催化剂的催化活性高，其中以MgO质量分数为20%的MgO/γ-Al2O3催化剂的催化活性最高。

In the paper, the test results about fluorine retention in the alkaline-earth metal compounds combustion were studied to develop high-efficient fluoride retention additive.

为了开发高效燃烧固氟剂，通过实验研究了碱土金属化合物的燃烧固氟效果。

Spectroscopic properties of Er~ ( 3+)-doped alkaline/ alkaline-earth metal modified fluorophosphate glasses

碱金属和碱土金属氟化物对掺Er~（3+）氟磷酸盐玻璃光谱性质的影响

A Novel Topological Index for QSPR Study of Alkaline-Earth Metal Halides

一种新的拓扑指数对碱土金属卤化物的QSPR研究

The addition of these alkaline-earth metal ions catalyzed the reaction of potassium manganate with luminol and the reaction of potassium manganate with fluorescein and resulted in strong CL signal producing;

碱土金属离子Mg~（2+）或Ca~（2+）或Sr~（2+）或Ba~（2+）的加入催化了锰酸钾与鲁米诺或锰酸钾与荧光素间的反应从而导致较强的化学发光信号的产生；

The behavior of halogen ions in alkaline-earth metal oxides+ halogenide+ molten slag of scales was investigated.

研究了碱土金属氧化物+卤化物+氧化铁熔渣中卤离子的行为。

The Application of Alkaline-Earth Metal Sulphide Material in Radiation Dose Measurement

碱土金属硫化物光激励材料在辐射剂量测量中的应用

It was observed that alkali metal oxides and alkaline-earth metal oxides were capable of adjusting the distribution of basicity and the amount of base on the surface of γ-Al_2O_3. The results of adjustment, however, were slightly different.

结果发现，碱金属与碱土金属氧化物对γ-Al2O3表面的碱强度分布和碱量有调变作用，但调变结果稍有不同，碱金属氧化物对碱量的增加较为明显；

The catalyst adops two-layer design concept to improve the performance of Pd three-way catalyst. The first layer contains Pd and the second layer bears Pd and CeO2, with each layer taking aluminum oxide as substance and adding alkaline-earth metal for the stabilizer.

三角孔堇菁石蜂窝陶瓷载体催化剂采用双层设计概念来提高Pd三效催化剂的性能，其中第一层含Pd，第二层含Pd和CeO2，每层都使用氧化铝为载体并加入碱土金属作稳定剂。

A new method-ion contribution method, is developed to calculate the lattice energies of alkaline-earth metal compounds.

本文提出了一种计算碱土金属化合物品格能的新方法&离子贡献法。该方法只需本文提供的离子贡献值即可计算得到晶格能，而不需要任何实验数据。

Effect of Alkaline-Earth Metal Ions on Removing OH Groups from Erbium-Doped Phosphate Glasses

碱土金属离子对掺铒磷酸盐玻璃除水性质的影响

The existence of alkali metal or alkaline-earth metal ions in wastewater could promote the removal of Ni2+ to some extent.

水中存在碱金属或碱土金属离子时在一定程度上会促进Ni2+的去除；

It does not absorb the alkaline-earth metal ions and behave as the polyamine resins.

但不吸附碱土金属离子，这和聚多胺树脂相同。

A New Method for the Calculation of Lattice Energies of Alkaline-Earth Metal Compounds& Ion Contribution Method

碱土金属化合物晶格能计算的新方法&离子贡献法

Calculation of standard formation enthalpy of the nitrides of alkali and alkaline-earth metal and analysis of their thermal stability

碱金属和碱土金属氮化物的标准生成焓的计算及其热稳定性分析