earth metals是什么意思

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Exploration and research of miniaturization of property experiment of alkaline-earth metal compunds;

碱土金属化合物性质实验的微型化研究

The interaction mechanism among magnesium,alkaline-earth metals and other chemical elements is studied.

研究了镁、碱土金属与各化学元素的相互作用机理，含镁、碱土金属复合合金的制取因素，合金的制取条件和方法。

The alkaline-earth metal complexes with mucic acid was successfully prepared via gel formation and characterized by elemental analysis,FT-IR measurements.

采用凝胶法合成了碱土金属—粘液酸配合物的晶体。

The determination and calculation of the solubility of alkaline-earth metals bicarbonate;

碱土金属酸式碳酸盐溶解度的计算和测定

Synthesis and characterization study on thermal stability of alkaline-earth metals with tungsten-chromium heteropoly acid;

碱土金属钨铬杂多配合物的合成、表征及热稳定性研究

Based on the features of alkaline-earth metals,this paper aims to analyze the function of such elements as Be,Ca,Sr,Ba in magnesium alloys.

并着重指出镁合金中碱土金属间的交互作用以及碱土金属于非碱土金属间的交互作用,从而探究碱土镁合金的开发之路。

A Study on Rare Earth Metal Microalloying of Alloy Steel;

合金钢的稀土金属微合金化研究

Through coordination-induced method, the process of micellization via rare earth metal Eu(Ⅲ)- bipyridine (bpy) with block copolymer of PEO-b-PAA (PEO113-b-PAA82) in different solvents [V(H2O)∶V(alcohol)=7.

研究了稀土金属铕(Ⅲ)-联吡啶(bpy)有机配合物与双亲水性两嵌段聚合物聚乙二醇-聚丙烯酸(PEO113-b-PAA82)在不同溶剂中[V(水)∶V(乙醇)=7。

The additives include rare earth metals such as La and Ce and transitional metals such as Zr and Cu.

采用固定床微反应器装置,考察了添加稀土金属(La,Ce)和过渡金属(Zr,Cu)助剂及助剂添加量对甲烷自热重整制氢反应的影响。

New rare earth and buckminsterfullerene complex, C 60 [La(Gly) 2] 2(ClO 4) 6 has been synthesized, and characterized by UV VIS, IR and elemental analysis.

合成了稀土金属富勒烯配合物C60 [La(Gly) 2 ]2 (ClO4) 6,并用IR、UV VIS、元素分析等手段对其进行了表征 。

Preparation of rare-earth metal complex catalysts for catalytic wet air oxidation of wastewater;

废水催化湿式氧化稀土金属氧化物催化剂的研制

Analysis of Rare-earth Metal in Dryers;

涂料用稀土催干剂中稀土金属含量分析研究

Adding some rare-earth metal to the positive material of alkaline Zn-MnO2 batteries was studied.

通过将不同含量的3种稀土金属添加到正极活性物质中,探讨其对碱性锌锰电池性能的影响。

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 。

Six heteropolytungstate complexes containing alkaline earth metal of the type K aH b[Z(XW 9O 34 ) 2]·mH 2O(X ·=Si,P,Ge;Z=Sr,Ba) were synthesized and characterized by conductance titration IR、UV、TG-DTA、CV and polarographic methods.

本文报道了ＫａＨｂ［Ｚ（ＸＷ９Ｏ３４）２］·ｍＨ２Ｏ（Ｘ＝Ｓｉ、Ｐ、Ｇｅ；Ｚ＝Ｓｒ、Ｂａ）型６种含碱土金属元素杂多配合物的合成。

The alkaline earth metal doped SnO2 thin film gas sensors was manufactured by e-vaporating Sn in vacuum oxiding SnO2 film and immerging method.

经过真空镀锡膜、氧化和化学浸渍，制作了碱土金属掺杂ＳｎＯ２薄膜气敏元件，并测试了元件的气敏特性。

The formation of the 13 rare earth metals(La,Ce,Pr,Nd,Sm,Eu,Gd,Tb,Dy,Ho,Er,Yb,Lu) based quasicrystals was studied by the bond-parametric method.

该方法为定性研究及寻找新型稀土金属基准晶合金开辟了一条新的途径,在材料研究领域具有理论指导意义。

In contrast to the large number of neutral and anionic complexes of rare earth metals,the cationic complex.

对四族金属有机化合物的深入研究也推动了对其他前过渡金属和稀土金属有机化合物的研究。

Equilibrium constant o-tK of alkali-earth metal between D001 resin and solution of oxine in chloroform was determined.

研究了碱土金属离子在Ｄ００１树脂与８－羟基喹啉三氯甲烷溶液间的平衡常数Ｏ－ｔＫ的测定。

The crystal structures of alkali-earth metal dihydrogen diphthalates have been measured.

测定了碱土金属邻苯二甲酸氢盐的晶体结构。