• 基础释义
  • 例句
  • 柯林斯词典释义
  • 英汉词典释义
  • 英英词典释义
  • 行业词典释义
例句
柯林斯高阶英汉双解学习词典释义
  • 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.
英汉词典释义
  • n.
    alkali cellulose 碱纤维素 alkali chloride 碱金属氯化物 alkali reactive 对碱反应的 alkali resistance 抗碱的, 耐碱的 alkali sensitive 碱灵敏的; 碱敏感的 alkali soluable 碱溶性的; 可溶于碱的 aqueous alkali 碱溶液 white alkali 白苏打 available alkali 有效碱
英英词典释义
  • 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
行业词典
  • 医学: 碱:可与脂肪酸形成可溶性皂,使红色石蕊试纸变蓝,并可形成可溶性碳酸盐的物质;主要是铯、锂、钾、铷及钠的氢氧化物,也包括这些金属和氨的碳酸盐;
    土木工程: 碱集料反应;alkali-aggregate reaction;
    物理学: 碱金属原子;alkali-metal atom;碱土金属;alkali-earth metal;