pH

英 [ˌpiː ˈeɪtʃ]

美 [ˌpiː ˈeɪtʃ]

n.  pH值(溶液或物质的酸碱度。pH值介于0至14，7以下为酸，7以上为碱)

复数：phs　

医学

Collins.1 / BNC.4255

牛津词典

noun

• pH值（溶液或物质的酸碱度。pH值介于0至14，7以下为酸，7以上为碱）
  a measurement of the level of acid or alkali in a solution or substance. In the pH range of 0 to 14 a reading of below 7 shows an acid and of above 7 shows an alkali .
  1. a pH of 7.5
     pH值7.5
  2. to test the pH level of the soil
     测试土壤的酸碱度

柯林斯词典

• N-UNCOUNT 酸碱度，pH值（小于7为酸性，大于7为碱性）
  ThepH ofa solution indicates how acid or alkaline the solution is. A pH of less than 7 indicates that it is an acid, and a pH of more than 7 indicates that it is an alkali.
  1. ...the pH of sea water...
     海水的酸碱度
  2. Skin is naturally slightly acidic and has a pH of 5.5...
     皮肤具有天然弱酸性，pH值为5.5。
  3. The fluid that emerges from the vents is acidic (pH 3) and hot.
     从那些出口出来的液体呈酸性（pH值为3），且是热的。

双语例句

• Pure water is neutral with a pH of 7.
  纯水是中性的，酸碱度为7。
• Have you check the pH and temperature of your tank?
  让您检查酸碱度和温度您的坦克？
• The lower pH and lack of carbonate ion have serious consequences for life in the ocean.
  对于海洋中的生物，低pH和碳酸离子缺乏会造成严重的后果。
• Study of the influence of temperature and pH value on CANON process
  温度和pH值对CANON工艺的影响试验研究
• Soil pH and other environmental influences affect blank shank.
  土壤ph值和其它环境变化也影响黑胫病。
• Study on control technology of self-calibration for seafloor hydrothermal fluid pH exploration electrode;
  介绍了国外在现代海底热液活动调查研究中使用的方法和技术手段。
• The soluble concentration of arsenic is dependent upon both chemical form and wastewater PH.
  砷的溶解度取决于其化学形态和废水的PH值。
• In the example described in this article, the threshold is defined in the ph_threshold system table.
  在本文的例子中，该阈值是在phthreshold系统表中定义的。
• There is often a poor correlation between symptoms of reflux and measurable reflux as demonstrated by pH study.
  之间往往有反流和反流症状，可衡量的相关性较差的pH值的研究证实。
• Effect of pH value and light on La-modified bentonite adsorption of phosphorus and nitrogen in water
  pH值和光照对镧改性膨润土吸附水中氮和磷的影响