But the fact that the excess bariums are responsible for electron emission may be reconciled with the deficiency of alkaline earth metals during life by the dynamical surface emission center model.

In a series of reactions, the concentration of H~+, CO_2 and H_4SiO_4, and especially the content of alkali and alkaline earth metals controls the reaction process and determines the type of solid phase weathering products.

在一系列反应中，氢离子、CO2、和H4SiO4浓度，尤其是碱性和碱土金属含量控制着反应过程和固相风化产物的类型。

The fluorescent and colorimetric identification of sensors A-F for the common alkali metals, alkaline earth metals, transition metals and heavy metals were tested, it was found that this type of sensors has a good selective recognition ability for Fe+.

通过探针A-F对常见的碱金属，碱土金属，过渡金属及重金属的荧光和比色识别实验发现，这一类探针对Fe3+具有优异的特定选择性识别能力。

The impact of mixing ratio, alkali metals and alkaline earth metals on the ash melting temperature were discussed.

探讨了混合比例以及碱金属和碱土金属等因素对灰熔融温度的影响规律。

A new eluent used for determining alkaline earth metals by ion chromatography& beryllium nitrate-nitric acid solution is suggested.

本文提出一种新颖的用于碱土金属离子色谱法测定的淋洗液硝酸铍硝酸溶液。

The Crystal Structures and Thermal Stability of the Complexes of 2-Oxo-propionic acid ( 4-pyridinecarbonyl) hydrazone with Alkaline Earth Metals

2-羰基丙酸（4-吡啶甲酰基）腙与碱土金属配合物的晶体结构及热稳定性

Influence of Alkaline Earth Metals on Cobalt-Cerium Composite Oxide Catalysts for N_2O Decomposition

碱土金属对钴铈复合氧化物催化剂催化N2O分解的影响

The pyrolysis and gasification are two main methods of biomass thermo-chemical utilization. The alkali and alkaline earth metals ( AAEMs) play an important role during the utilization of biomass which are rich in AAEMs.

生物质的热解和气化是重要的热化学利用方式，而碱/碱土金属作为生物质内富含的元素，对其热利用过程产生了较大的影响。

Researches on the thermal decomposition reactions of hydroxide of alkaline earth metals for storage of solar energy

碱土金属氢氧化物热分解反应贮存太阳能的研究

Alkaline soils derived from chalk or limestone.

碱土是从白垩或者石灰石中衍生出来的.

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。