查询词典 al

According to the observation, a new catalyst system, Co promoted Pt/γ-Al〓O〓 was proposed, for the first time, to the PROX of CO.

在上述发现的基础上，详细展开了对Co／Pt／γ－Al〓O〓催化剂体系的研究。

And the result confirms the points from Qin et al (2005) [2] that the relationship is due to the Doppler effect of fireballs.

此结果进一步确认了文[2](Qin et al 2005)的观点，即半峰宽度与能量之间的关系是由于火球模型的多普勒效应导致的。

For the purpose to study its critical issues for fusion application, many kinds of V-W-Cr-Ti-Al alloys were developed, and were used for studies of recovery and recrystallization, aging behavior and precipitation hardening, high-temperature mechanical performance, effects of H on mechanical properties and hydrogen enbrittlement, H release behavior and oxidation behavior at elevated temperature. Mechanizms for the behaviors were analyzed and the relationship between chemical composition, microstructure and properties was established.

为研究其聚变应用关键问题，本项目研制了多种V-W-Cr-Ti-Al合金，利用它们完成了合金的回复和再结晶、时效行为和析出强化、高温力学性能、氢对合金力学性能的影响及氢脆、氢释放行为、高温氧化行为等研究，分析了合金的行为机理，建立起了合金性能与化学成份、微观组织结构的关系，是以后研制更高性能合金的基础。

The results show that the effect of Li is to increase the rate of hardening, however, the addition of lithium does not progressively change age hardening and precipitation process of Al--Cu--Mg--Ag alloys with low Cu/Mg ratio, and significant age hardening response only occurs with the addition of 2.0\%Li.

结果表明，在Al--4.0Mg--1.5Cu--0.4Ag合金中添加锂，可以加速合金的时效进程，但其时效硬化效果并不能简单地随着含锂量的增加而逐步加强，只有当锂含量达到2.0\%时，才表现出显著的时效硬化与强化效果。

Both Mg and Al has no bonding with perfect sheet due to negative binding energy at all symmetric positions, however, the introduction of a Stone-Wales defect increased the binding energy at all adsorption sites to negative values.

Mg和Al不能稳定吸附在完整的石墨烯片上，但是引入SW缺陷降低结合能，使其能够稳定吸附在石墨烯片上。

By using the first-principles method based on the density functional theory, the magnetism of Al monoatomic chains have been studied.

使用密度泛函理论下的第一性原理方法，研究了纳米尺度下简单金属Al原子链的磁性。

The Molecular Interaction Volume Model is introduced for the prediction and fitting of the activities of liquid alloys Ni-Mg-Cu,Ni-Al-Si and Ni-Cu-Co in the ternary systems.

对Ni-Mg-Cu，Ni-Al-Si及Ni-Cu-Co三组三元系预测的总平均相对误差及最小的拟合总平均相对偏差分别为12.0%和9.0%，表明分子相互作用体积模型比较适用于这类液态合金的活度预测

Al-Li alloys have poor processable plasticity, and at high temperature they have intergranular brittle phenomena whose mechanism of fracture hasn't been systematically studied at home and oversea up to date.

Al-Li合金的工艺塑性较低，存在高温沿晶脆性断裂现象，其断裂机制至今国内外都未进行系统的研究。

K-shell absorption spectroscopy of radiatively heated Al sample is reported.

报道了辐射加热Al样品的K壳层辐射吸收谱实验。

From the measured spectrum of He-like Al ions, we observed that the intensities of qr satellites were stronger than that of ijk satellites, and according to these observed satellite features, we have identified that photon ionization and photon excitation have very important effect on the ionization balance of these radiatively heated plasmas.

从测量得到的Al类氦离子发射光谱可以观察到，qr等伴线的强度明显高于ijk伴线的强度，由此可以确定出光子激发和电离过程对输运腔中等离子体的形成不可忽略。

Finally, according to market conditions and market products this article paper analyzes the trends in the development of camera technology, and designs a color night vision camera.

最后根据市场情况和市面上产品的情况分析了摄像机技术的发展趋势，并设计了一款彩色夜视摄像机。

Only person height weeds and the fierce looks stone idles were there.

只有半人深的荒草和龇牙咧嘴的神像。