pH

noun

1. 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

1. N-UNCOUNT 酸碱度，pH值（小于7为酸性，大于7为碱性）
   The pH of a 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。

1. Pure water is neutral with a pH of 7.
   纯水是中性的，酸碱度为7。
2. 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。
3. 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。
4. 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。
5. Even soils considered resistant to acidification showed a decrease in pH.
   即使是抗酸化的土壤类型，也显示其pH值在下降。
6. Effects of Temperature, Time and pH on the Activity of Phytase in Feed
   温度·时间和pH对饲料中植酸酶活力的影响
7. 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。
8. It can test the soil PH value ( PH);
   可测土壤PH值（酸碱度）；
9. 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。
10. 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
11. Compost will also help neutralize soil pH and add nutrients at the same time.
    堆肥，也有利于中和土壤酸碱度和补充养分，在同一时间举行。
12. 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。
13. Effect of Cation and pH Value on Dispersivity of Clay in the Medium Environment
    介质环境中阳离子和酸碱度变化对粘土分散性的影响
14. Absorbent liquid for wholesalers inhibit bacterial growth, to reduce solution Ph value.
    吸水液，用于批发商抑制了细菌的生长，降低溶液Ph值。
15. Have you check the pH and temperature of your tank?
    让您检查酸碱度和温度您的坦克？
16. 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。
17. Water molecules dissociate into ions as a function of pH and temperature and result in a very predictable conductivity.
    水分子在pH值和温度的作用下分离成离子，产生一个可预知的电导率。
18. Effect of pH Value and Temperature on Feed Enzyme-complex Activity
    pH值和温度对饲用复合酶活力的影响
19. Effects of temperature and pH on the digestive amylase and cellulose activities of siliqua minima
    pH和温度对小荚蛏淀粉酶和纤维素酶活性的影响
20. 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。
21. 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
22. In neutral or alkaline pH foods, such as meats, bacteria are more dominant in spoilage and putrefaction.
    在中性和碱性pH食品中，例如肉，细菌在变质和腐败中更易占优势。
23. CMC stabilizes protein dispersions, especially near their isoelectric pH value.
    CMC稳定蛋白质的分散，尤其接近它们等电ph值时。
24. The solubility of some elements and compounds is dependent upon the redox potential and pH of their environment.
    有些原素和化合物的溶解度取决于其氧化还原能力和。
25. Polarographic electrodes can be affected by changes in pH, salinity and ionic strength of the environment.
    盐份和离子强度的改变的环境影响极谱电极。
26. All patients should be studied by postoperative pH study.
    所有患者术后应研究pH值的研究。
27. Do not have the above-mentioned mechanical pH and high temperature on the place.
    切勿将上述机件放在有酸碱和高温的地方。
28. From this it appears that bisulfite concentration and PH have opposite effects on oxidation.
    由此看来，亚硫酸盐的浓度和ph值，对氧化的作用是相反的。
29. Methods The chromatometry and PH value were detected in varied ratio liquid of two drugs.
    方法使用比色法和pH值对照对两者不同配伍比例时溶液的澄明度进行检查。