碱金属

A new chalcohalide glass system containing higher content of alkali metal ions was developed.

开发了有高含量碱金属离子的新型硫化物玻璃。

Recent progresses in thermodynamic study on the coordination of calixcrowns to alkali metal ions are introduced in the paper.

概要介绍了杯芳冠醚与碱金属离子配合的热力学研究方面的最新进展，较为系统地分析了选择性与热力学参数之间的相关性，得出了一般规律。

Different functional group also brings different influence for the absorbance of alkali metal.

有机物官能团上的差异也将对碱金属元素的吸光度产生不同的影响。

Compared with coal, the content of both alkali metal and alkaline earth metals in biomass ash was very high.

与煤相比，生物质灰分中碱金属和碱土金属含量很高。

The bentonite can be modified by alkali metal and or alkaline earth metal compound.

所述膨润土可以用碱金属和/或碱土金属化合物进行改性。

From the point of view of molecular design, Al is a good candidate to introduce to the BO〓 groups to form a series of new alkali metal al...

本论文从分子设计的角度，在BO〓基团中引入Al原子，获得了一系列新的碱金属铝硼酸盐化合物。

The forms and the identification methods of alkali metal in coal and their occurrence and migration mechanism during coal-fired process were summarized.

综述了煤中碱金属的存在形态、确定方法以及燃煤过程中的赋存迁移规律。

And used for the determination of alkali metal ion s innatural mineral water and amino acids in human hair.

HPCE－CD装置已被用于天然矿泉水中碱金属离子及人发中氨基酸的测定。

In addition, the existence of metallic atoms makes the phenol oxygen atoms more reactive which may be one of the reasons that alkali metal salts are more sensitive than TNPG.

同时， 金属离子的引入增大了酚羟基上的氧原子的活性，这也可能是导致碱金属盐比TNPG敏感的原因之一。

In addition, comparing to the alkali metal catalyst, the Ce overlayer is difficult to be removed even heating to 700K.

此外，和碱金属/半导体的情况有所不同，700K的退火也不能有效地除去半导体界面的稀土金属覆盖层。

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。