查询词典 alkaline metal

A soft, silvery-white alkaline-earth metal, used to deoxidize copper and in various alloys.

钡：一种柔软，银白色的碱土金属，用来还原铜并用于各种合金。

It was found that cyclic peptide 23shows higher transport activity for the studied alkali and alkaline-earth metal ions thancompound 24, which is related to the backbone flexibility of the cyclic peptides.

研究了在这两种环肽的存在下，碱金属和碱土金属离子穿越二氯甲烷液膜的过程。

In this paper, based on the previous work experience, microscopic structures of electrolyte solutions and the tecknoledge of fourier transform spectroscopy and theory of quantum chemistry , we reseached on ionic solvation and ion association of the alkaline-earth metal electrolyte solution.

本文在总结前人工作的基础上，以研究电解质溶液微观结构为背景，借助傅里叶变换红外光谱技术和量子化学理论，对碱金属碱土金属电解质溶液中的离子溶剂化和离子缔合作用进行了研究，主要的研究内容如下：1。

The components comprise the following materials: 40 to 50 percent of GeO2, 20 to 25 percent of SiO2, 0 to 10 percent of Al2O3, 5 to 16 percent of MO or MF2, 0 to 10 percent of R2O3, and 1 to 10 percent of ZrO2; the M is one or more of the alkaline-earth metal ions, the R is one or more of the trivalent rare earth ions.

一种0.3～5um波段红外透过耐高温玻璃陶瓷材料及制备方法，成分包括GeO 2 40-50％，SiO 2 20-25％，Al 2 O 3 0-10％，MO或MF 2 5-16％，R 2 O 3 0-10％，ZrO 2 1-10％；M为碱土金属离子中的一种或几种，R为三价的稀土金属离子中的一种或几种。

Keywords: alkaline-earth metal atoms;strontium;laser cooling;accuracy spectrum

中文关键词：碱土金属原子；锶；激光冷却；精密光谱

The mechanism,thermodynamics and kinetics of ion-exchange reactions between alkali,alkaline-earth and transition metal ions and zirconium phosphate and its derivatives ar...

本文综述了碱金属、碱土金属、过渡金属离子等与磷酸锆及其衍生物的离子交换反应机理、热力学和动力学特性，另外也讨论了发光金属配合物与磷酸锆的离子交换反应研究进展。

The alkaline-earth metal complexes with mucic acid was successfully prepared via gel formation and characterized by elemental analysis,FT-IR measurements.

采用凝胶法合成了碱土金属—粘液酸配合物的晶体。

Preparation and Characterization of Electrodeposition MHCF(M=Ni, Co, Cu) for Electrochemically Controlled Ion Separation in Alkaline-Earth Metal

中文名称：电沉积MHCF薄膜系列的制备及其在碱土金属溶液中的电控离子分离性能

In the paper, the test results about fluorine retention in the alkaline-earth metal compounds combustion were studied to develop high-efficient fluoride retention additive.

为了开发高效燃烧固氟剂，通过实验研究了碱土金属化合物的燃烧固氟效果。

ABSTRACT The development history and current research state of pulsed discharge-excited alkaline-earth Metal Vapor Lasers were reviewed in detail in the paper. After all those multi-mechanism lines region from ultraviolet to infrared had been successfully obtained in our experiments, a consistent model has been build up for longitudinal pulsed discharge excited He-Sr vapor laser.

详细评述了脉冲放电激励的碱土金属蒸气激光的发展历史和现状，在实验上成功实现碱土金属多种机制从紫外到红外的多条激光谱线后，对纵向脉冲放电激励的He-Sr蒸气激光建立了一个完善的、自恰的激光动力学模型。

Chrysanthemum of 10 thousand birthday is lax to edaphic requirement, with the arenaceous qualitative loam with fecund, good drainage had better.

万寿菊对土壤要求不严，以肥沃。排水良好的砂质壤土为好。

He unstepped the mast and furled the sail and tied it.

他拔下桅杆，把帆卷起，系住。