查询词典 AL

Gas-phase reactions of Al〓 with ethanethiol molecule have been studied for the first time.

首次研究了Al〓和乙硫醇的气相化学反应，结果观察到了Al〓与1～6个乙硫醇分子形成的团簇离子。

A series of Zn Al hydrotalcite like compounds was synthesized by co precipitation method.

用非均相共沉淀法合成了系列Zn Al类水滑石样品，研究发现Al/摩尔比在 0 3 1～ 0 5 2范围内可得到纯类水滑石相。

A series of hydrotalcites were synthesized using high saturated method and were characterized by XRD, IR and TG. The impact of hydrotalcite's chemical composition and crystal structure were studied by changing the molar ratio of Al to in the samples.

基于此，利用高过饱和沉淀法合成了一系列的Zn-Al-HTlc，并通过XRD， IR和TG进行了表征，研究了样品中的n/n，即x对Zn-Al-HTlc化学组成、晶体结构的影响。

The sliding wear behaviors under lubricating of hypoeutectic, eutectic and hypereutectic Al-Si alloys are investigated.

研究了亚共晶、共晶、过共晶 Al-Si 合金在润滑条件下的磨损行为，探讨了三类合金的磨损失效机理，得出提高Si含量是提高 Al-Si 合金耐磨性的有效途径。

In the basic area, the Al〓 aggregates adsorbed on the particle surface laxly aggregated by reducing its charge, and formed the surface complexion-precipitate with strong binding and bridging ability.

在碱性范围内，吸附在颗粒物表面上的Al〓羟基聚合物通过降低电荷而进一步缓慢聚集，形成不同于PACl〓的Al〓沉淀结构的表面沉淀物，具有很强的粘结架桥能力。

An intercrystalline ductile fracture physical model of ultra-high-strength Al-Zn-Mg-Cu alloy was given and the stage fracture behaviors of equilibrium phase, matrix precipitation and microzone of precipitate free zone were analyzed by TEM observation of the quenched and aged microstructures, the fracture behavior and morphology of Al-Zn-Mg-Cu alloy.

摘 要：根据超高强铝合金淬火、时效组织透射电镜观察结果，以及合金断裂行为与断口形貌分析，提出了一种Al-Zn-Mg-Cu合金产生延性断裂的物理模型。

An intercrystalline ductile fracture physical model of ultra-high-strength Al-Zn-Mg-Cu alloy was given and the stage fracture behaviors of equilibrium phase,matrix precipitation and microzone of precipitate free zone were analyzed by TEM observation of the quench ed and aged microstructures,the fracture behavior and morphology of Al-Zn-Mg-Cu alloy.

根据超高强铝合金淬火、时效组织透射电镜观察结果，以及合金断裂行为与断口形貌分析，提出了一种Al-Zn-Mg-Cu合金产生延性断裂的物理模型。

The relationship of the nitridation rate of Al-Mg-Si alloys with temperature from room temperature to 1300℃ was investigated by TG experiments.

通过程序升温法热重实验，考察了Al-Mg-Si合金从室温至1300℃范围氮化反应速率随温度的变化规律，实验验证了Al-Mg-Si合金的直接氮化符合阿累尼乌斯公式。

Bio-Ba/Ti, bio-Ba /Al were chosen as the sensitive markers to show the variation of the biogenic/terrigenous suspended particles in MNLS through the correlation analysis of 12 major elements of the suspended particles. Comparing with the overlain waters, the content of terrigenous particles in the BNL was increased significantly, but was lower than that in the surface sediment.

与上覆水体相比，近底雾状层内陆源组分显著增加，但较底质沉积物为低；生源组分则明显降低，但比底质沉积物为高，这一规律说明底质沉积物再悬浮对近底雾状层有显著的影响，表明Ba_/Ti和Ba_/Al值可以作为近底雾状层颗粒物的高精度示踪指标，其中Ba_/Al值尤为敏感。

The species of polynuclear aluminium described in literature are scattered and confused, which can't be described completely with existed"Core-links"model or Keggin-Al〓 model.

而慢的碱中和过程以及缓和的反应气氛会使铝的聚合产物更稳定，有利于K-Al〓的自组装生成；(3)核连模型和K-Al〓笼状模型两者在本质上是统一的。

I didn't watch TV last night, because it .

昨晚我没有看电视，因为电视机坏了。

Since this year, in a lot of villages of Beijing, TV of elevator liquid crystal was removed.

今年以来，在北京的很多小区里，电梯液晶电视被撤了下来。