alkali

英['ælkəlaɪ] 美['ælkəlaɪ]
  • n. 碱
alkalis
TEM8 IELTS GRE
星级词汇:

详细释义

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"

  2. a mixture of soluble salts found in arid soils and some bodies of water; detrimental to agriculture

双语例句

1. AAR can be assorted two classifications: Alkali - Silica Reaction ( ASR ) and Alkali - Carbonate Reaction ( ACR ).
AAR主要 分两类: 碱 - 硅酸反应(Alkali-Silica Reaction, 简称 ASR ) 和碱 - 碳酸盐反应 ( Alkali-CarbonateReaction,简称ACR ).

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2. Alkali - aggregate reaction ( AAR ) is one of significant factors affecting durability of concrete structures.
碱 - 集料反应 ( Alkali-Aggregate Reaction,AAR ) 是影响混凝土耐久性的重要因素.

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3. The valence atom of an alkali - metal atom has two states.
碱金属原子的价原子具有两种能态.

来自辞典例句

4. Such detergents do not yellow the wool as alkali tends to do.
这种洗涤剂不会象碱那样使羊毛发黄.

来自辞典例句

5. All the alkali metals have a single s - electron outside a closed shell.
所有的碱金属都在闭合壳层之外有一单个S电子.

来自辞典例句

    用作名词 (n.)
    1. This kind of soil contains much alkali.
      这种土壤含碱丰富。
    2. The key problem is to overcome alkali in the soil.
      关键在于控制土壤里的碱分。
    3. Acid and alkali are the basic concept of chemistry.
      酸和碱是化学的基本概念。
    4. Such detergents do not yellow the wool as alkali tends to do.
      这种洗涤剂不会象碱那样使羊毛发黄。

用法讲解

相关词汇

【邻近词汇】

alkaline alive alkalic alkalis alkality alkalise alkalify alkalies alkalion alkaliod alkalied alkalize
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