The resonance radiation trapping in alkaline-earth metal atomic lasers were investigated according to Holstein's theory. The threshold temperature, ground-state density and resonant level effective lifetime of the resonance radiation trapping were calculated for Ca, Sr, and Ba atomic vapor lasers with different tube radii.

Thermodynamic Analysis on Chemical Property of Hydroxide Alkaline-earth metal; Study on the Chemical Composition and Antioxidant Activity from Capparis Spinosa

碱土金属氢氧化物化学性质的热力学分析

Although many researchers managed to improve the catalytic stability of Ni catalyst by addition of alkaline-earth metal and alkali metals to the catalyst, no breakthrough was obtained.

尽管很多学者在Ni基催化剂中加入稀土元素或碱金属以提高Ni基催化剂的活性和稳定性，一定程度上提高了其抗积炭能力，但没有取得突破性的进展。

Many of metal ions such as alkali metals, alkaline-earth metals and transitional metal ions don't interfere with the detection of Pd~ 2+.

其它重金属离子以及碱金属离子、碱土金属离子对Pd~（2+）离子的测定基本没有干扰。

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。

Additive of zirconium and alkaline earth metal, catalytic activity of catalyst has been improved, which has basic sites and acid sites.

添加锆、碱土金属助剂的铯系催化剂具有较高的催化活性，其同时具有酸碱活性中心。

Ionized alkaline earth metal laser weak base anion-exchange resin

碱土金属离子激光器弱碱性阴离子交换树脂

Investigation on Toughening Mechanism of PP Composite Filled with New Type Alkaline Earth Salt Filler

新型填料－碱土金属盐填充聚丙烯复合材料的增韧机理探讨

Of or relating to or containing bentonite. ionized alkaline earth metal laser

属于、关于或包含膨润土（或皂土、斑脱土）。碱土金属离子激光器

Thermal Decomposition Mechanism of Alkaline Earth Benzoates The Stability of Alkaline Earth Metal Complexes

碱土金属苯甲酸盐的热分解

Fluorimetric Studies on Complexes of Tetracycline Antibiotics Degradation Products with Alkaline Earth Metals

四环素类抗菌素碱性降解物与碱土金属螯合物的荧光研究

Retention Mechanism of Alkali and Alkaline Earth Metal Ions on Reversed Phase High Performance Liquid Chromatographic Column

碱金属和碱土金属离子在反相高效液相色谱柱上的保留机理

Estimation of free enthalpy in the formation of alkaline earth zirconates

碱土金属锆酸盐形成自由焓的估算

Influence of alkaline earth ions to the properties of glass-ceramics

碱土金属离子对微晶玻璃性能的影响研究

Alkali metal and alkaline earth metal analysis by SINGLE-COL-UMN ion chromatography

单柱离子色谱法测定碱金属和碱土金属

Study on physical and chemical properties of alkali metal and alkaline earth metal

碱金属及碱土金属元素性质的多元分析

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。

The alkaline earth calcium presents higher reaction activity comparing to magnesium.

碱土金属钙醇盐为烷氧基提供者制备稀土醇盐其反应活性要高于金属镁醇盐。

Investigation on Application of Rare and Alkaline Earth Metals in Hot-Dip Galvanizing Alloys

稀土和碱土在热镀合金中应用的研究

An Experimental Study on the Adsorption Characteristics of the Alkaline Earth Metal Chloride

碱土金属氯化物吸附性能实验研究

Effects of Rare Earth and Alkaline Earth on Magnesium Alloys and their Applications Status

稀（碱）土在镁合金中的作用及应用现状