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alkali

美 [ˈælkəlaɪ]英 [ˈælkəlaɪ]
  • n.
  • adj.碱性的, 含碱的

复数: alkalis

alkalialkali

noun

C U碱
a chemical substance that reacts with acids to form a salt and gives a solution with a pH of more than seven when it is dissolved in water

compare acid

alkali

频次

  • 1
    N-MASS
    An alkali is a substance with a pH value of more than 7. Alkalis form chemical salts when they are combined with acids.

noun

1
any of various water-soluble compounds capable of turning litmus blue and reacting with an acid to form a salt and water
bases include oxides and hydroxides of metals and ammonia
Synonym: base
2
a mixture of soluble salts found in arid soils and some bodies of water;detrimental to agriculture

数据来源:WordNet

  1. When alkali is added to such compounds a series of proton dissociations occurs .

    当碱加到这类化合物中,将发生一系列质子离解作用。

  2. Water , acrylonitrile and the galactomannan gum are added to a reactor with an alkali metal hydroxide .

    水、丙烯腈和半乳甘露聚糖胶,同碱金属氢氧化物在一起,加入到反应器中。

  3. What 's the scale that 's used to compare the strength of acids and alkalis ?

    用何种标准来比较酸碱度?

  4. Acids neutralize alkalis and vice versa .

    酸能使碱中和碱,亦能使酸中和。

  5. The design and application of energy-saving control system of combustion in alkali recovery

    碱回收燃烧工段节能控制系统的设计及应用

  6. The kind of alkali had also some influence .

    碱的强弱对转化也有一定影响。

  7. The Development of Theory of Acid and Alkali

    酸碱理论的发展

  8. The Application and Research of Alkali Reclaim System in Paper Mills Based Fuzzy Control

    模糊控制在造纸厂碱回收系统中的应用研究

  9. The key problem is how to overcome alkali in the soil .

    关键在于控制土壤里的碱分。

  10. Mechanism and condition analysis of alkali - aggregate reaction

    碱&集料反应机理及条件分析

  11. A Study on Microscale Experiment of Acid and Alkali Titration Analysis

    酸碱滴定分析微型实验研究

  12. Material supply research in areas rich of alkali aggregate

    碱骨料分布广泛地区材料供应方案研究

  13. Modification of Alkali Lignin and Surface Activities of the Modified Products

    碱木质素改性及其产物表面活性的研究

  14. Renovation and Energy Saving of Evaporation System for Light Alkali

    印染企业淡碱蒸发系统改造与节能

  15. The Synthesis and Application of Ionic Liquid as Acid , Alkali Catalysts

    离子液作为酸、碱催化剂的合成及应用

  16. Experimental Study on Capability of Blast Furnace Slag Containing Alkali

    高炉含碱金属氧化物炉渣性能的试验研究

  17. Control of alkali content of Beijing Oriental square project

    北京东方广场混凝土工程含碱量的控制

  18. Possibility of alkali aggregate damage for concrete in cold area

    寒冷地区混凝土发生碱骨料破坏的可能性分析

  19. Recent progress of rapid and continuous analysis of trace amounts of alkali metals

    痕量碱金属快速连续分析方法评述

  20. Influence of Alkali Salts on the Pyrolysis of Biomass Three Components

    碱金属盐对生物质三组分热解的影响

  21. Treatment of potato starch waste water with alkali aggregate aluminium chloride

    马铃薯淀粉废水的碱式聚合氯化铝处理

  22. Formation and removal of gaseous alkali metal of hot gas

    热煤气中碱金属蒸汽的形成及清除方法

  23. The Relative Intensity of Fine Structure of Alkali Metal ′ s Atomic Spectra

    碱金属原子光谱精细结构的相对强度

  24. Mechanism of Pyrites Depression and Activation Flotation in High Alkali Environment

    高碱抑制硫铁矿及活化浮选机理研究

  25. Acid and alkali wastewater determination methods of Dexing Copper Mine

    德兴铜矿酸碱废水水质分析方法

  26. Comparison between the New and the Old Alkali Recovery Systems of Qingzhou Paper Mill

    青州造纸厂新老碱回收系统的对比分析

  27. Determination of alkali resistance of film of architectural paints and coatings

    GB/T9265-1988建筑涂料涂层耐碱性的测定

  28. Corrosion Resistance of Alkali Heat Treated Magnesium in Bionics Simulated Body Fluid

    碱热处理镁及其在仿生模拟体液中耐蚀性能

  29. Objective To investigate the immune reaction of severe corneal alkali burns .

    目的探讨角膜碱烧伤后眼局部的免疫反应机制。

  30. The maximum of endurance of salt , alkali and high temperature were measured .

    对耐盐菌株NWGX035进行了代时和耐盐、碱和抗高温极限值测定。