1) central eruption
中心喷发
2) Eruption center of paleovolcano
古火山喷发中心
3) fission-central eruption
裂隙-中-心式喷发
4) piccolo injector
中心喷射
5) luminescence centers
发光中心
1.
The charge compensation defects would influcence the local environment of the doped rare earth ions, modifying their site symmetry, and therefore different types of luminescence centers should be formed.
磷光体,研究了Eu3+离子的光谱特征与基质化合物的关系,存在三类发光中心,讨论了基质组成对铕离子价态的影响。
2.
The electronic structures of Mn 2+ luminescence centers in Mn-doped ZnS are studied by using first-principles linear muffin-tin-orbital method combining atomic sphere approximation.
用自旋极化的LSD LMTO(Local Spin DensityLinearMuffin Tin OrbitalMethod)方法 ,对ZnS掺入Mn发光中心的电子结构进行了大型超原胞模拟计算。
6) luminescence center
发光中心
1.
PL results show very wide luminescence band in the range of 370 and 500nm when titania films are excited at 260nm at room temperature, and the band results from different luminescence centers.
PL分析表明,在室温下,当用260nm激发TiO2 薄膜时,在370~500nm范围内呈现出很宽的发光带,其对应着不同的发光中心;此外用545nm激发TiO2 薄膜时,在近红外区域内818nm附近处展示出半高宽较宽且强度较强的发光峰。
2.
Based on the quantum confinement -luminescence center model, the mechanism of Nano ZnO exciton luminescent and delect luminescent are analysed, and the authors point out that Nano ZnO luminescent between blue or blue-green band and ultraviolet band.
基于量子限域-发光中心模型,分析了纳米ZnO的激子发光和缺陷发光机制,指出纳米结构ZnO在蓝/蓝绿可见波段和紫外波段发光是通过晶粒内部带隙间的激子复合发光。
3.
The electronic structures of luminescence centers in wurtzite ZnS doped withcopper are studied by using first--principles linear muffin ~tin--orbital method corn-biniflg atomic sphere approximation.
本文使用LMTO-ASA方法计算ZnS掺入激活剂铜所形成的铜发光中心的电子结构,分析了两种不同铜价态的影响。
补充资料:宁静式喷发型
宁静式喷发型
火山多以基性熔岩喷发为主,熔岩的温度较高,含气体较少,无爆炸现象,没有固体喷发物。常形成底座很大,坡度比较平缓的盾形火山锥。这类火山多分布在海洋中,如夏威夷诸火山。
说明:补充资料仅用于学习参考,请勿用于其它任何用途。
参考词条