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

• 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
• The conversion of propylene glycol was mainly affected by the surface acidity of the catalyst.
  乙醛和丙二醇的缩醛化反应表明丙二醇的转化率主要受催化剂表面弱酸度的影响。
• 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。
• The magnitude of the thermal process is a function of product pH or acidity.
  产品的pH值或酸度是热处理强度的函数。
• Kenya AA coffee, good coffee, a rare, with its rich aroma and acidity balanced and famous.
  肯尼亚AA咖啡罕见的好咖啡，以其浓郁的芳香和酸度均衡而闻名。
• How do you test the acidity of soil?
  你怎样测试土壤的酸度？
• Harm and controlling of acidity and ash content in liquid sulfur
  液体硫磺中酸度和灰分的危害及控制
• Dry, full, properly balanced and extremely enticing with lingering acidity and flavors of cherry and spice.
  口味干、饱满，均衡极佳，非常诱人，萦绕着酸味和樱桃以及香料的味道。
• 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。
• High acidity coefficient, good chemical stability and fiber durability.
  酸度系数高，具有良好的化学稳定性及纤维耐久性。