pH scale

英 [ˌpiː ˈeɪtʃ skeɪl] 美 [ˌpiː ˈeɪtʃ skeɪl]

(表示酸碱度的)pH标度

化学



双语例句

  1. A blood disorder characterized by an increased concentration of hydrogen ions in the blood ( which falls below 7 on the pH scale). Are they a mixture of black and white, black and Asian, Hispanic and white?
    血液中氢离子增加的一种血液混乱症。他们都不是纯白种人,那么他们是黑白混血,黑人与亚裔混血,还是拉美裔与白人混血?
  2. Despite this diversity and the fact that certain organisms can grow at extremes of the pH scale, generalities can be made.
    纵然有差异而事实上有些生物是可以在极端的酸碱度范围上生长,仍可以得到一些归纳结果。
  3. The proton activity in protic organic solvents or water-organic solvent mixtures can be measured by a glass electrode in aqueous pH scale. In this media the proton activity can be measured by using a glass electrode with an aqueous pH scale.
    用水标准溶液标定的玻璃电极可用来测定有机质子溶剂和有机水溶液中质子的水标准活度pHm,质子的浓度可用-log[H2S+]
  4. It can lessen the side reaction, reduce cost and improve the rate of production. The synthesized inhibitor contains excellent scale inhibition adapting to high temperature, high hardness, high basicity and a wide range of pH.
    该合成工艺符合环保要求,能减少副反应、提高产率,合成的阻垢剂具有耐高温、高硬度、高碱度、宽pH值的优良阻垢性能。
  5. The influences of scale inhibitor concentration, antiscaling time and temperature, NaCl concentration, and pH value on the efficiency of the inhibitor FX were studied.
    考察了防垢剂加量、防垢时间、温度、氯化钠含量、体系pH值对高含钡地层条件下硫酸钡垢防垢效果的影响。
  6. By changing the concentration and pH, the self-assembly behavior of collagen molecules under different conditions was investigated. By means of the high resolution of AFM, the self-assembly of collagen molecules on mica surface was directly observed on the nanometer scale.
    改变胶原蛋白溶液的浓度和pH值,研究不同条件下胶原蛋白分子的自组装行为,利用AFM的高分辨率,在纳米范围内直接观察胶原分子在云母表面的自组装的情况。
  7. The ternary copolymer with ammonium persulfate as initiator, maleic anhydride, acrylamide and ethyl acrylate as monomers was prepared through synthesis. The effect of the copolymer usage, Ca2+ concentration, alkalinity and pH value on scale inhibition was studied.
    本文以过硫酸铵为引发剂,在水相中合成了以马来酸酐、丙烯酰胺和丙烯酸乙酯为单体的三元共聚物,并研究了共聚物的用量、Ca2+浓度、碱度以及pH值对阻垢效果的影响。
  8. The PH value between 6.0~ 9.0 has little influence on inhibiting scale ratios.
    pH值在6.0~9.0的范围内对阻垢率影响较小。
  9. The conditions for carbonate and sulfate scale formation such as temperature, pressure and pH value are discussed.
    讨论了碳酸盐、硫酸盐垢的生成条件:温度、压力及pH值。图1表4参3。
  10. Seven factors related to the scale inhibition efficiency were discussed in this article, for example: the molecular composition of scale inhibitor, the pH, solution temperature etc.
    论述了影响阻垢剂阻垢性能的七个因素,例如阻垢剂分子组成、溶液pH值、溶液温度等。
  11. With the proceeding of dissolution, Zeta potentials of CaCO_3 and the values of pH continuously decreased. Whether the scale inhibitor was added or not during CaCO_3 precipitation, and whether the dispersion contained HEDP or not, Zeta potentials always had no obvious difference.
    在CaCO3粉末溶解时,分散体系中防垢剂加入与否,所测表面Zeta电位值也没有明显差别。
  12. PH shift method of evaluating the efficiency of scale inhibitors
    pH位移法评定阻垢剂的阻垢性能
  13. The significant variance about semivariance for pH, soil organic matter, physical clay, total potassium, available phosphorus, and available potassium indicate these factors were controled by some important process at different scale.
    pH、有机质、物理粘粒、全钾、速效磷、速效钾在不同尺度上受不同的重要过程控制。
  14. The factors affecting the scale inhibiting performance of C_9-AA water soluble petroleum resin were investigated, such as: the dosages of initiator AIBN, solvent and C_9-AA, the mass concentration of Ca~ ( 2+), pH of cooling water and curing period.
    考察了引发剂AIBN和溶剂的加入量、C9-AA加入量、Ca2+浓度、循环冷却水pH和养护时间对C9-AA水溶性石油树脂阻垢性能的影响,并对其阻垢效果进行了评价。
  15. Study on effects of pH value on scale formation in wet FGD process with lime
    石灰湿法脱硫过程中pH条件对结垢的影响研究
  16. The Range of pH value in Adding Polyphosphate to Prevent Scale Forming in Circulating Water
    投加聚磷酸盐防止循环水结垢应控制的pH值范围
  17. By controlling appropriate conditions, the pH value of the cleaning liquid may automatically rise, from weakly acidic to weakly basic state for the descaling of scale.
    控制适当的条件,可以使反应体系随垢的不断洗脱溶解,pH值自动上升。
  18. The aggregation behaviors of fish scale collagen at different concentration, temperature and pH were studied by AFM.
    用原子力显微镜(AFM)考察了样品质量浓度、溶液pH及温度对鱼鳞胶原蛋白溶液聚集态的影响。
  19. While the scaling ionic concentration, the temperature increases, the PH value increase and prolonging the scaling time, the scale control efficiency drops.
    成垢离子浓度增加、体系温度的升高、PH值的增加以及成垢时间的延长,阻垢剂的阻垢率下降;产品与HEDP复配后的阻垢率下降。
  20. The process of preparing the effective thulium catalyst of desiccation for paint and the factors which influence of performances of the effective thulium catalyst of desiccation for paint, such as temperature, time and pH scale, have been researched in detail.
    文章系统地研究了高效稀土元素Ce油漆催干剂的制备方法,以及反应温度、反应时间、pH值等因素对催干剂性能的影响。
  21. By comparing and analyzing the acidity of solution pH scale 、 acid function H0 scale 、 AG scale. Therefore, it is suggested that AG should be substituted for pH, and some research and discussions have been made.
    通过对溶液酸度的pH标度、酸度函数H0、AG标度的比较分析,提出用酸度AG代替pH,并进行了一些探讨。
  22. Analyze the environmental factor conditions of scale formation, and various factors that have effect on scaling such as saltness, temperature, pressure, pH, wetting and adhesion, solution gas corrosion, electrochemistry corrosion, microbe corrosion and so on.
    分析结垢形成的环境因素条件;对于影响结垢的各类因素:含盐量、温度、压力、PH值、润湿及粘附、溶解气腐蚀、电化学腐蚀及微生物腐蚀等作用等分析。
  23. The pH value is the scale unit of solution acidity.
    pH值是溶液酸度的标度单位。
  24. Another question of carbon dioxide system research is that the scale of pH is still inconsistent. It is a goal to use identical pH scale in the natural water in the future.
    二氧化碳系统研究中存在的另一个问题是用于测量pH的标度尚不一致,在天然海水中广泛使用统一的pH标度是未来的一大目标。
  25. The pH value could change the constant reaction rate on a large scale. Dissolved ozone molecules decompose to hydroxyl radical to promote the reaction process at alkalinity solutions.
    pH值可大幅度地改变反应的速率常数,碱性条件下溶解的臭氧分子分解生成羟基自由基,进而促进与底物反应。
  26. At the same time, phenomenon of sediment of ions in high PH and dissolving capacity of rock are also appears, different level scale phenomenon is arisen in every experiment area.
    与此同时,由于强碱的使用,出现了高PH值下多价离子的沉淀、岩石矿物的溶蚀等现象,各个试验区都出现了不同程度的结垢现象。