碱化度

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  • basicity
碱化度碱化度
  1. 不同碱化度下Al胶体结构的谱学研究

    Research on Structure of Al Gels with Different Basicity Using Spectroscopy Means

  2. 由实验结果可推断,PACS聚合形态取决于碱化度及Al~(3+)/SO4~(2-)摩尔比,干燥温度影响PACS的结构形态和水溶性,因而也影响PACS絮凝效果。

    The experimental results showed that the polymeric degree of PACS was related to basicity and A13 + / SO42 - molar ratio . Drying temperature has an influence on the structure and the solubility of PACS .

  3. 模拟了1997年羊草及角碱蓬群落土壤盐分、碱化度、pH值动态,并与实验资料进行了比较,模拟结果可以反映土壤盐分和碱化的季节变化规律。

    Comparing with the experimental data , the simulation results can express the dynamics of saline and alkaline in different seasons .

  4. 碱化度(B)、n(W)n(Fe)和熟化时间均对铁的形态分布有重要的影响。

    Basicity ( B ), W / Fe molar ratio and aging time all have influences on species distribution and transformation of iron in PFC.

  5. 聚合氯化铝中Fe2O3、Al2O3含量和碱化度的连续测定

    Continuous Determination of Fe_2O_3 、 Al_2O_3and the Ratio of [ OH ] / 3 [ Al ] in Polymeric Aluminum Chloride

  6. 本文将Ferron逐时络合比色法应用于聚合硅酸硫酸铝(PASS)研究中,具体考察了碱化度、Si/Al摩尔比和熟化时间对铝形态分布的影响。

    Al-Ferron timed complex colorimetric method is a simple method to be used to analysis aluminum species .

  7. 对大安市苏打碱土的主要碱化特征参数:土壤碱化度(ESP)、总碱度、pH等指标进行了测试分析。

    The primary parameters including exchange sodium percentage ( ESP ), total alkalinity , pH and soil salt content of soda solonetz in the Da'an city were calculated .

  8. 碱化度及Al~(3+)/SO4~(2-)摩尔比对PACS水解产物的电中和能力影响不大。

    The ability of PACS neutralizing the charges on kaolin was affected by the basicity and Al3 + / SO42 - molar ratio of PACS .

  9. 实验结果表明,随着铁含量的增加、碱化度(B)的增大和熟化时间的延长,PAFC中铝铁的形态由低聚物向高聚物转化。

    The results showed that , with the increment of iron content , B and aging time , the species of PAFC changed form low polymer to high polymer .

  10. 通过试验得到铝酸钙粉与铝箔酸洗废液的最佳固液比为0.278(g/ml),制备的PAC碱化度高达70.31%。

    In the experiment of preparing PAC with aluminum foil cleaning Wastewater , the best ratio of Ca ( AlO_2 ) _2 to aluminum foil cleaning Wastewater was 0.278 ( g / ml ) .

  11. 聚合氯化铝作为实验研究的混凝剂,高岭土代表水中的无机悬浮固体颗粒物,利用显微图像法分析不同碱化度和不同pH值条件下絮体的分形结构。

    Polyaluminum chloride was used as coagulant and kaolin represented the inorganic suspension solid particulate matter of water . Image analysis was used in the study on fractal structure of alum floc and removal characteristics at different alkalization degree and different pH.

  12. 研究冻融土壤的水盐分布格局表明土壤饱和含水量线呈现>形分布结构,总盐分含量和碱化度(ESP)的等值线呈∧形分布结构。

    The distribution pattern was studied scientifically . It reveal that the structure of contour of saturated soil water presents like > and that of total salt amount and ESP looks like ∧ .

  13. 探讨了PAFSC的碱化度和Al/Fe/Si摩尔比以及水样pH值对水中残余铝含量的影响。

    The effects of B value and Al / Fe / Si molar ratio of PAFSC and pH value of the simulation water on residual aluminum content in the treated water were investigated .

  14. 采用电化学方法合成聚合氯化铝(PAC),通过在线有效控制电解过程的关键参数,可以制备出高碱化度(B)、高Alb(或Al(13))含量的PAC液体产品。

    In the process of electrochemical preparation of polyaluminum chloride ( PAC ), some key factors can be controlled on-line , so the high quality liquid PAC with high basicity . B ( OH - / A1 ) and high Alb content can be prepared .

  15. 实地调查发现,电导率(EC)、钠吸附比(SAR)、碱化度(ESP)、氯化物、碳酸氢盐、硫酸盐等在再生水灌溉土壤中均有增加,增加程度和灌溉水质及灌溉年限有关。

    Electric conductivity ( . EC )、 Sodium Adsorption Ratio ( SAR ), sodium , chloride , bicarbonate and sulphate increase variously in soils irrigated by treated water , the extent of variation is influenced by water quality and irrigation time .

  16. 研究了不同碱化度B、不同铝铁摩尔比的聚合氯化铝铁(PAFC)溶液的可见光谱。

    The visible spectra of forty five synthesized polyaluminium ferric chloride ( PAFC ) aqueous solutions with different [ OH ] / [ Al + Fe ] ( B ) and nAl / nFe ( molar ratio ) were investigated .

  17. 残余铝含量随着PAFSC的铁含量和聚硅酸含量的增加以及碱化度的升高而下降,且在中性pH值的水样中PAFSC具有更高的降低残余铝含量的能力。

    The residual aluminum content in the treated water decreased with increase of the content of ferric and polysilicate and B value of PAFSC . The PAFSC showed better ability decreasing residual aluminum content in neutral simulation water .

  18. 利用活化硅酸和硫酸铁为原料,在不同碱化度和Si/Fe摩尔比条件下,制备出聚合硅酸硫酸铁(PFSS)无机高分子絮凝剂。

    The polymetric ferric silicate sulfate , ( PFSS ) prepared with ferric sulfate and PS , is studied at different OH / Fe molar ratio and Si / Fe molar ratio .

  19. 影响复合反应的因素包括OP的结构和电荷类型、PAC的碱化度和浓度、有机高分子/铝(O/A)比(质量比)、反应温度以及搅拌条件等。

    Studies showed that the factors affecting combination include the structure and charge type of OP , the basicity and concentration of PAC , organic polymer / aluminum ( O / A ) ratio ( mass ratio ), reaction temperature and stirring condition , and so on .

  20. 土壤碱化度与覆盖厚度呈极显著线性负相关。

    Soil ESP and cover thickness was significantly linear negatively correlated .

  21. 土壤碱化度对高羊茅和芨芨草菌根发育的影响

    Effects of Percentage of Exchangeable Sodium in Soil on Mycorrhizal Development of

  22. 聚合硫酸铁中碱化度的分析方法

    The analytical approach method of basicity in polymerized ferric sulfate

  23. 聚合硫酸铁碱化度国标测定法的一点改进

    A modification of the national standard measurement for alkalization of polymeric iron sulfate

  24. 因此,我们提出了野外快速测定土壤碱化度的方法。

    Therefore , we proposed the method about rapid measurement of soil alkalization degrees .

  25. 腐殖酸使土壤碱化度降低最多。

    Humic acid decreased soil alkalization mostly .

  26. 剂量为3kg/m~2的酒糟降低土壤碱化度最显著;

    The exchangeable sodium percentage ( ESP ) was reduced by the distiller 's grain of 3kg / m ;

  27. 土壤碱化度含量差异较大,且与交换性钠呈显著正相关。

    The content of the exchangeable sodium in soil was positively correlated with the content of the exchangeable sodium percentage ( ESP ) .

  28. 而碱化度大于30%的土壤,必须在水利措施的配合下,利用化学改良剂才能达到改良的目的。

    When the alkalinity is over 30 % , however , the alkaline soil must be made use of the chemical measure gathering water conservancy to attain improvement .

  29. 结合土柱试和盆栽试验的结果综合分析,在土壤碱化度低于30%的轻、中度碱化土壤通过水利与农业措施相结合的办法而不用化学改良剂就可以改良好;

    Combinating the siol column and potted plant experiment synthesize analysis that the soil alkalinity below 30 % can be all improved by hydraulic and agricultural measure without the chemical amendment .

  30. 在稳定的聚合硅酸硫酸铝中硅铝比与碱化度之间存在着成正比例的定量关系。

    It was also noticed that appropriate Al / Si molecular ratio relative to the reaction alkalinity appeared to be of great importance for the production of stable poly aluminum silicate sulfate .