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

• 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。
• 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 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。
• 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 higher the acidity of solvent, the higher the solubility of As and Se in it.
  溶提剂酸度愈高，对飞灰中砷、硒的溶解率也愈高。
• 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。
• 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。
• This elegant wine balances natural acidity and sweetness.
  这家典雅的葡萄酒平衡酸度和甜度自然。
• In hot regions, extra tartaric acid is added to'correct'the acidity.
  在热的地区，需加入额外的酒石酸来“纠正”酸度。
• The aquation of JM216 and the effects of acidity and light on the stability of JM216 were studied.
  研究了JM216的水合反应动力学，并考察了光照、稀酸对其稳定性的影响。