碱金属原子的价原子具有两种能态。
给出了预防碱金属危害的方法。
Several methods to prevent alkalis from jeopardizing are provided .
碱金属原子的价原子具有两种能态。
描述有高含量碱金属氧化物的火成岩。
Describing igneous rocks with a high content of the alkali metal oxides.
开发了有高含量碱金属离子的新型硫化物玻璃。
A new chalcogenide glass system containing higher content of alkali metal ions was developed.
碱金属卤化物能生长成具有优良透明性的大晶体。
The alkali halides can be grown into large crystals of excellent transparency.
本文提出一个激光减速的碱金属原子束频标的方案。
In this paper a scheme for the laser decelerated alkali metal atomic beam frequency standards is proposed.
由二卤代烷与碱金属或碱土金属的多硫化物缩聚而成。
By two alkyl halide with alkali metal or alkaline earth metal polysulfides from condensation.
考察了碱金属碳酸盐类助剂和溶剂对反应活性的影响。
Moreover, the effects of alkali metal carbonate promoters and the solvents were investigated at the same time.
叙述《碱金属》一章的有关实验存在的问题和改进方法。
This article introduces the existent problems and improvement methods about the Chemistry's Chapter Alkali Metals.
其它碱金属包括氢(技术上说不是种金属)，锂，钠，钾，铷，铯。
Other Alkali Metals include Hydrogen (technically not a metal), Lithium, Sodium, Potassium, Rubidium, and Cesium.
双钨酸盐晶体按照碱金属离子的不同，呈现不同的结构和结晶特性。
Double tungstate crystals show different structures and crystallization habits according to the alkali ions.
水、碱金属、酸和油类产品等液体本身的张力也会阻碍它们的渗透。
Liquids such as water, alkalis, acids, and oiproducts, are unable to penetrate as their own tension prevents it.
选择不同的碱金属离子可以调节玻璃蓝色光和红色光的相对发射强度。
So, the relative emission intensity of blue light and red light of the glass should be controlled by different alkaline ions.
碱：无机化合物，任何碱金属，即锂、钠、钾、铷、铯的可溶氢氧化物。
Alkali: Inorganic compound, any soluble hydroxide -oh. of the alkali metals: lithium, sodium, potassium, rubidium, and cesium.
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。
The forms and the identification methods of alkali metal in coal and their occurrence and migration mechanism during coal-fired process were summarized.
聚(丙烯酸-丙烯酰胺)-碱金属盐复合物是一种新型高分子固体电解质。
Poly (acrylic acid-acrylamide) -alkali metal salt complex is a new kind of solid polymer electrolytes.
分析了影响碱金属迁移的因素及释放出来的气态碱金属在炉内的反应过程。
The effect factors of alkali metal migration and their reactions in the furnace were analyzed.
一种银白色软质单价元素，碱金属属，已知最轻的金属，存在于许多矿物中。
A soft silver-white univalent element of the alkali metal group; the lightest metal known; occurs in several minerals.
水、丙烯晴和半乳甘露聚糖胶，同碱金属氢氧化物在一起，加入到反应器中。
Water, acrylonitrile and the galactomannan gum are added to a reactor with an alkali metal hydroxide.
包头白云鄂博矿碱金属含量高，球团还原膨胀率高，给高炉冶炼带来很大困难。
Because of high alkaline earth metal content, the reduction swelling of Baotou pellet makes blast furnace operation very difficult.
报道了乙烷在以碱金属氯化物作为助剂的碱土金属氧化物催化剂上的氧化脱氢。
The oxidative dehydrogenation of ethane to ethylene was studied over alkaline earth oxides promoted with alkaline metal chlorides.
借助于可见光谱的测定，考查了它们在溶液中与碱金属和碱土金属盐等的配位性能。
The complexation properties of them with alkali and alkaline earth metal ions have been investigated by means of visible spectra in solutions.
本文介绍了碱金属的脱除机理及脱除方法，为碱金属脱除的进一步研究提供了基础。
The present paper expounds the alkali metal removal mechanism and method, providing a realistic basis for the further study of such a removal process.
探讨了碱金属蒸气灯中若干特有的工艺问题，对碱金属灯的进一步工作提出了设想。
Some special technological problems were investigated and the orientation for further study of alkali-metal vapor lamps are presented.
该技术利用流态化燃烧的固有特点，避免了碱金属问题和针对多变秸秆燃料的适应性问题。
With the characteristic of fluidized burning, this technology avoids alkali metals problem and the adaptability problem of changeful straw fuel.
对低含量水质样品采用了碱金属氢氧化物共沉淀，简化了样品富集程序，提高了测试灵敏度。
The alkali hydroxide co-precipitation for low content water sample is employed to simplify the sample enrichment process and the monitoring sensitivity is improved.
考察了凝胶硅硼比、碱度、碱金属离子、添加晶种、老化时间和晶化时间对晶化产物的影响。
The effect of boron to silica molar ratio, basicity, alkali cations, seeds, aging and reaction time on the crystallization was investigated.
考察了凝胶硅硼比、碱度、碱金属离子、添加晶种、老化时间和晶化时间对晶化产物的影响。
The effect of boron to silica molar ratio, basicity, alkali cations, seeds, aging and reaction time on the crystallization was investigated.
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