The alkaline earth used therein is salt compound of magnesium and calcium.
所采用的优选的碱土是镁和钙的盐和化合物。
The calculated results of energy gap on alkaline earth mixed halides are reasonable.
对碱土金属复卤化物的能隙进行了计算，结果合理。
By two alkyl halide with alkali metal or alkaline earth metal polysulfides from condensation.
由二卤代烷与碱金属或碱土金属的多硫化物缩聚而成。
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。
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。
More broadly, ammonium hydroxide (see ammonia) and soluble hydroxides of the alkaline earth metals are also called alkalies.
更广义的范围包括碱土金属。碱是强碱性的，会使红石蕊试纸变蓝色；
The latter which appeared in the tang dynasty is to decoct the brine extracted from the ash or alkaline earth in flat plates.
“煎盐”则指提取柴灰或碱土中的卤水，用浅而阔的盘熬干以制取盐，这一专称唐代始见。
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。
Because of high alkaline earth metal content, the reduction swelling of Baotou pellet makes blast furnace operation very difficult.
包头白云鄂博矿碱金属含量高，球团还原膨胀率高，给高炉冶炼带来很大困难。
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。
Researches in and application of Lewis acid, Bronsted acid, alkali, alkaline earth and molecular sieve catalysts were described in detail.
综述了L酸与质子酸、碱（土）金属和分子筛催化剂在合成反应中的研制与应用情况，指出了分子筛催化剂是一种极具开发潜力的催化剂。
The complexation properties of them with alkali and alkaline earth metal ions have been investigated by means of visible spectra in solutions.
借助于可见光谱的测定，考查了它们在溶液中与碱金属和碱土金属盐等的配位性能。
The results of determining the alkaline and alkaline earth metals in the treated gasoline showed there was no loss of metals from the catalysts.
对脱砷-加氢-脱氯汽油中碱金属和碱土金属的测定结果表明，不存在催化剂的金属流失问题。
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。
The mechanism of thermal decomposition for alkaline earth metal benzoates was studied by using TG, DTA, IR and gas chromatography_mass spectrometer.
用DTA和TG研究了碱土金属苯甲酸盐在氮气气氛中的热分解过程 ，并用红外光谱、色 -质联用表征了热分解产物。
In this paper, chemical storage materials of hydrate of alkaline earth metals at low temperatures are rported by differential scanning calorimetry (DSC).
对碱土金属的水合氯化物作为一种低温化学蓄热材料进行了相应的DSC研究。
A photoluminescent material comprising a composition of halogen-substituted alkaline earth metal aluminate doped with at least one rare-earth element activator.
一种光致发光材料，其包含掺杂有至少一种稀土元素活化剂的卤素取代的碱土金属铝酸盐的组合物。
All alkaline earth elements have an oxidation number of +2, making them very reactive. Because of their reactivity, the alkaline metals are not found free in nature.
所有的碱土金属元素的化合价都是+2，这使他们非常活泼，因为他们非常活泼，也不在自然界中直接出现。
Methods and recent development of isolation of structurally characterizable alkali, alkaline earth and lanthanide metal ketyl radical complexes were reviewed in the paper.
介绍了利用金属离子的配位作用捕获并分离重要有机反应中间体—— 自由基中间体的研究方法和最新进展。
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。
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.
然而超额钡仍然是发射电子的泉源，可以通过动态表面发射中心模型而与寿命中碱土金属下降统一起来。
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。
The article discusses the thickening mechanism of unsaturated polyesters with alkaline-earth metallic oxide.
本文研究了碱土金属氧化物对不饱和聚酯的增稠机理。
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。
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。
When two different metals are placed in a fused alkali or alkaline-earth chloride bath, the more readily corrodible metal will deposit on the less corrodible one.
当两种不同的金属放在熔融的碱金属或碱土金属氯化物盐浴中时，较易腐蚀的金属会沉积在较难腐蚀的金属上。
The method of the invention is applicable to the smelting of alkaline-earth metals as well as production, such as alloy smelting, casting, pressure casting, extrusion, etc.
本发明适用于碱土金属的冶炼及其合金冶炼、铸造、压铸、挤压等生产。
Accordingly, the present invention is a good possibility to substitute earth alkaline ions by lead and copper for a shifting of the emission bands to longer or shorter wave length, respectively.
据此，本发明分别利用能够让发光带转换至更长或更短波长的铅和铜来替代碱土离子。
Accordingly, the present invention is a good possibility to substitute earth alkaline ions by lead and copper for a shifting of the emission bands to longer or shorter wave length, respectively.
据此，本发明分别利用能够让发光带转换至更长或更短波长的铅和铜来替代碱土离子。
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