首页 / 词典 / good

ph

美 [ˌpiː ˈeɪtʃ]英 [ˌpiː ˈeɪtʃ]
  • abbr.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)
phph

noun

sing.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

ph

频次

  • 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.

    ...the pH of sea water...

    海水的酸碱度

  1. 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。

  2. Peak value AGC circuit pH control additive

    峰值自动增益控制电路控制ph值的添加剂

  3. Pure water is neutral with a pH of 7 .

    纯水是中性的,酸碱度为7。

  4. 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。

  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。

  6. So I combined these two ideas and I formulated a hypothesis , saying that , could possibly the carcinogens be decreased due to a marinade and could it be due to the differences in PH ?

    所以,我将两种想法综合在一起,创造了一个假说,那就是,因为酸碱度的改变,致癌物很可能因为腌泡汁的浸泡而降低?

  7. The Development of High PH Water Treatment

    循环水高pH值处理研究

  8. Method of directly detecting the pH value at surface of textile

    纺织品pH值快速测量方法的研究

  9. The practical solution pH values at high temperature were calculated and analyzed .

    并根据高温热力学数据对采用不同pH调节剂时,高温实际溶液的pH值进行了计算和分析。

  10. The best pH value is 3 ~ 4 ;

    最佳pH值3~4;

  11. Effect of soil pH and eh on Corrosion of metal materials

    土壤pH和Eh对金属材料腐蚀的影响

  12. Study of influence of pH of Urine on detection of RBC

    尿液pH值对红细胞检验影响的探讨

  13. The optimum pH and temperature were 8.2 and 30 ℃, respectively .

    单级生物脱氮的最适pH和温度分别是82和30℃。

  14. Effects of nitrate and nitrite on vegetable growth in different pH

    硝酸态氮及亚硝酸态氮在不同pH条件下对蔬菜生长的影响

  15. In situ Measurement of pH Value on the Cathode / Solution Interface

    电极/溶液界面pH值的现场测量

  16. Discussion on Application of pH phosphate Coordination Treatment Used in Subcritical Units

    协调pH&磷酸盐处理在亚临界机组上的应用探讨

  17. The effects of various parameters are studied such as pH , temperature and aging time .

    研究了氧化钛粉体分散性与pH值关系,包膜pH、温度及陈化时间等影响。

  18. The Calibration of pH Electrode in the Industrial Process

    工业过程pH值检测中的电极标定

  19. An Easily Controlled Quality Index pH Value

    一个容易控制的质量指标pH值

  20. Study the Effect of pH on Protein Metabolism During Germination of Soybean Seed

    萌发pH值对大豆种子蛋白质代谢的影响研究

  21. Influence of Soil pH on Growth and Leaf Nutrient of Blueberry

    土壤pH值对越桔幼苗生长及元素吸收的影响

  22. Preparation and Performance Characterization of Novel Solid pH Sensing Electrodes

    固态pH探测电极的制备及其性能表征

  23. PH value first rise then drop and turbidity dramatically reduces .

    PH值先上升然后下降,浊度大幅降低。

  24. The breakdown potential was highest at the solution of pH 6.0 .

    当溶液的pH为6.0时,点蚀电位最高。

  25. The Influences of process conditions , such as temperature , current density , pH value , etc.

    研究了温度、电流密度、pH等工艺条件对镍-金刚石复合镀层性能的影响。

  26. Design of optical fiber pH sensor

    光纤pH传感器的设计

  27. Aging dynamics of 17-4 PH stainless steel study

    17-4PH的时效动力学研究

  28. Performance and Effluent pH Variation Character of Rapid Biological Filter Used for Advanced Wastewater Treatment

    生物快滤池深度处理城市污水的性能及pH值变化规律

  29. Growth of Leptospires and pH Change in the Course of Cultivation

    钩端螺旋体的生长与pH变化

  30. Fuzzy Adaptive PID Control for pH Neutralization Process

    模糊自适应PID控制在pH中和过程中的应用