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
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 .- a pH of 7.5
pH值7.5 - to test the pH level of the soil
测试土壤的酸碱度
- a pH of 7.5
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.- ...the pH of sea water...
海水的酸碱度 - 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。 - 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。
- ...the pH of sea water...
双语例句
- 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。 - 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 - 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。 - Have you check the pH and temperature of your tank?
让您检查酸碱度和温度您的坦克? - It can test the soil PH value ( PH);
可测土壤PH值(酸碱度); - 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 - 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。 - 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。 - 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。 - 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。