acidity

英 [əˈsɪdəti]

美 [əˈsɪdəti]

n.  酸味; 酸性

复数：acidities　

TOEFL化学

BNC.13106 / COCA.17453

牛津词典

noun

• 酸味；酸性
  the state of having a sour taste or of containing acid

柯林斯词典

• N-MASS 酸
  Anacidis a chemical substance, usually a liquid, which contains hydrogen and can react with other substances to form salts. Some acids burn or dissolve other substances that they come into contact with.
  1. ...citric acid...
     柠檬酸
  2. Acids in the stomach destroy the virus.
     胃酸能杀死病毒。
• ADJ-GRADED （物质）含酸的，酸性的
  Anacidsubstance contains acid.
  1. These shrubs must have an acid, lime-free soil.
     这些灌木必须生长在不含石灰的酸性土壤环境。
• ADJ-GRADED （水果或饮料）酸味的，酸的
  Anacidfruit or drink has a sour or sharp taste.
  1. These wines may taste rather hard and somewhat acid.
     这些酒可能喝着比较冲并且有股酸味。
• ADJ-GRADED 尖刻的；刻薄的
  Anacidremark, oracidhumour, is very unkind or critical.
  1. This comedy of contemporary manners is told with compassion and acid humour.
     这部当代风尚喜剧杂糅了悲悯的情怀和尖酸的幽默。
• 麦角酰二乙胺
  The drugLSDis sometimes referred to asacid.
• See also:amino acidhydrochloric acidnitric acidnucleic acidsulphuric acid

英英释义

noun

• the property of being acidic
  Synonym:sournesssour
• pH values below 7
• the taste experience when something acidic is taken into the mouth
  Synonym:acidulousness

双语例句

• Ion-exchange chromatography A type of CHROMATOGRAPHY in which the compounds are separated according to their acidity.
  离子交换色谱法：是一种根据混合物酸度将其分离的色谱技术。
• The influence on precipitation acidity in different time and space is not alike due to geographical and meteorological conditions.
  由于当地地理位置和气象条件的差异，不同的时间和不同空间里影响的程度也不同。
• Adsorption, acidity and physico-chemical properties of heteropoly acid catalysts
  杂多酸催化剂的吸附、酸性和物化性质
• Carbon dioxide in solution contributes to acidity, but this is supplemented with additional acid in most carbonated drinks.
  酸溶解的二氧化碳会产生酸度，但在大多数碳酸饮料中还要使用其它的酸来补充酸度。
• Research also suggests that the high acidity of energy and sports drinks can erode enamel.
  研究还表明，酸度高的能量和运动饮料可以侵蚀牙釉质。
• Chemical reagent& General method for the determination of acidity and alkalinity
  GB/T9736-1988化学试剂酸度和碱度测定通用方法
• Hard: Firm, resulting from high acidity or tannins.
  涩口：由于酸度和丹宁含量高而引起的麻辣的感觉。
• The major characteristics of soils are texture, acidity, nutrient content, gaseous content, and moisture content.
  土壤的主要特性有质地、酸度、养分含量、气体含量和含水量。
• It was found that the interference effect of the matrix and acidity was independent of the concentration of calcium.
  结果表明，基体和酸度的干扰表现为与分析元素无关。
• Study on changes of quality and acidity of pollen yoghourt in storage
  花粉酸奶在贮藏过程中酸度和品质变化的研究