查询词典 alkaline earth

The research has shown that the ourgassing of the Earth can be regarded as a key link,which connects the separated branches of the Earthscience into a whole mega system The essence of Earth outgassing is the expelling of mantle ichorspontaneously and radiately from the interior of the Earth,resulting in five gas spheres and gas geodynamics The upwelling of HANCONS makes the solid mantle and crust to ulcerate by the alkaline mesomatism,alteration and magma formation, and the ...

地球排气的实质是幔汁(HACONS超临界态流体)从深部自发向上、向外的辐射排放，结果形成了地球内外的 5个气圈和气体地球动力学，幔汁上涌后通过碱交代作用产生蚀变和岩浆并促使原来为固体的上地幔、地壳发生溃变，在地球的 3个基本动力，即重力、地球自转变速、圈层旋转差速和天体潮汐力联合作用的大前提下诱发出大地构造运动、地球演化和自然灾害。

The essence of Earth outgassing is the expelling of mantle ichorspontaneously and radiately from the interior of the Earth,resulting in five gas-spheres and gas geodynamics.The upwelling of HANCONS makes the solid mantle and crust to ulcerate by the alkaline mesomatism,alteration and magma formation, and the geotectonic movement,natural hazards and evolution of the Earth under the general control of gravity,rotation rate changes of the geospheres and tiding forces from the planets,especially the Moon.

地球排气的实质是幔汁（HACONS超临界态流体）从深部自发向上、向外的辐射排放，结果形成了地球内外的5个气圈和气体地球动力学，幔汁上涌后通过碱交代作用产生蚀变和岩浆并促使原来为固体的上地幔、地壳发生溃变，在地球的3个基本动力，即重力、地球自转变速、圈层旋转差速和天体潮汐力联合作用的大前提下诱发出大地构造运动、地球演化和自然灾害。

Two complexes of alkaline-earth metals perchlorate with phenyl-acetylmethylene sulfoxide(C6H5SOCH2 COCH3) have been synthesized and characterized by elemental analysis and IR spectra.

本文选取苯基乙酰甲基亚砜(C6H5SOCH2COCH3)作为配体与碱土金属的高氯酸盐反应得到配合物的单晶，对它们进行了元素分析及红外光谱表征，它们的化学式为[ML6](ClO4)2(M=Ca、Sr；L=C6H5SOCH2COCH3)。

Keywords methane;autothermal reforming;hydrogen preparation;alkaline-earth metals

甲烷； 自热重整；制氢；碱土金属

The endohedral complexes formed by D5h C50 and H, alkali metals, and alkaline-earth metals, as well as charged states of the endohedral complexes, were theoretically investigated using B3LYP/6-31G method.

采用密度泛函理论B3LYP/6-31G方法，计算D5h C50富勒烯包合H原子，碱金属原子和碱土金属原子生成的内嵌衍生物及其阳离子。

Compared with the long afterglow bulk materials, the nanostructured alkaline-earth aluminates possess the larger specific surface area, and a lot of defects and dangling bonds exist in the lattice and on the surface.

与块体长余辉材料相比，这些纳米尺度的长余辉材料拥有大量的比表面和晶格缺陷从而导致了大量的无辐射跃迁产生而使得有效余辉时间和发光亮度都大大降低。

The main results and conclusions can be organized as follows:(1) The alkaline-earth aluminates and silicates, which can emit the light from violet to red with long afterglow, are prepared by the different methods such as solid-state reaction, sol-gel, and combustion synthesis, etc.

获得了从紫色到红色所有可见波段的长余辉材料，通过对铝酸镏的基体元素比例、合成工艺和共掺杂元素的研究，使SrAl〓O〓：Eu〓，Dy〓的有效余辉时间大大增强，很容易突破30小时。

Some novel alkaline earth stannates with unusual 1D, 2D and 3D frameworks have been developed and some of them show microporous features.

利用水热法合成了具有一维孔道、二维层状、三维骨架结构的新颖碱土锡酸盐，拓宽了碱土锡酸盐的化学物种，并且某些化合物具有微孔性能。

Keywords: Hydrothermal Synthesis; alkaline earth stannates; Microporous and Mesoporous Structures

中文关键词：水热合成；碱土锡酸盐；微孔和中孔结构

The Ba atom is a typical two-electron atom, whose autoionization spectra and angular distributions of ejected electrons from autoionizng states are significant for understanding the complex structures and physical mechanism of the alkaline-earth atoms.

Ba原子作为一种典型的双电子原子，其自电离态的光谱和弹射电子角分布的特性研究，对人们认识原子的复杂结构和内部动力学过程具有重要的科学意义。

According to the clear water experiment, aeration performance of the new equipment is good with high total oxygen transfer coefficient and oxygen utilization ratio.

曝气设备的动力效率在叶轮转速为120rpm～150rpm时取得最大值，此时氧利用率和充氧能力也具有较高值。

The environmental stability of that world - including its crushing pressures and icy darkness - means that some of its most famous inhabitants have survived for eons as evolutionary throwbacks, their bodies undergoing little change.

稳定的海底环境─包括能把人压扁的压力和冰冷的黑暗─意谓海底某些最知名的栖居生物已以演化返祖的样态活了万世，形体几无变化。