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mixed adsorption
相关语句
  混合吸附
     The Mixed Adsorption of PVP and SDS at Solid/Liquid Interface
     PVP和SDS在固液界面上的混合吸附
短句来源
     The Bussey's BET-type mixed adsorption equations have been applied to adsorption from mixed vapors of cyclohexane-ethanol, benzene-ethanol, and benzene-cyclohexane on Cab-O-Sil at 30℃, and to adsorption from oxygen-nitrogen and oxygen-argon on chromic oxide gel at - 185.6℃. The results are compared with experimental data, and also with author's and Hill's BET-type mixed adsorption equations.
     本文将Bussey的BET型混合吸附公式应用于30℃时环己烷-乙醇、苯一乙醇和环已烷-苯的混合蒸气在Cab-O-Sil上的吸附,以及—185.6℃时氧-氮和氧-氩混台气体在铬胶上的吸附,并与Hill的和作者的BET型混合吸附公式的结果作了比较.
短句来源
     Mixed Adsorption of Ionic and Nonionic Surfactants on Active Carbon
     离子型和非离子型表面活性剂在活性炭上的混合吸附(英文)
短句来源
     In the mixed adsorption tests, the ratio of atropine concentration to dichlorvos concentration after adsorption was increased compared with before adsorption.
     在混合吸附试验中,吸附后的阿托品和敌敌畏之比较吸附前浓度之比增加。
短句来源
     The Mixed Adsorption of Long and Short Chain Noionic Amphipathic Compound at Oil/Water Interface
     长、短链非离子双亲化合物在油/水界面的混合吸附
短句来源
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  “mixed adsorption”译为未确定词的双语例句
     The Comparison of Different BET-Type Mixed Adsorption Equations with Some Experimental Results
     不同的BET型混合气体吸附公式的应用和比较
短句来源
     MIXED ADSORPTION OF SURFACTANTS ON SOLIDS
     固体自表面活性剂混合溶液中的吸附
短句来源
     The crosslinking of HPG fracturing fluid by CZB-03 (an organic borate+zirconate crosslinker composed of organic zirconate crosslinker OZ-1 treated by a mixed adsorption inhibitor and of organic borate crosslinker OB-200 in equal mass ratio) and the heat resistance of and the damage caused by the gelled fluid are studied experimentally with 0.6% HPG/CZB-03/0.3% CA-03 (multifunctional additive)/water system.
     实验研究了有机硼锆交联剂CZB 0 3(有机锆交联剂OZ 1用一种复合吸附抑制剂处理后与等质量的有机硼交联剂OB 2 0 0的复配物 )与HPG的交联性能、冻胶耐温性和伤害性 ,实验体系为加有 0 .3%复合添加剂CA 0 3的0 .6 %HPG/CZB 0 3压裂液。
短句来源
     Interaction in binary miztures of surfactants in pure aqueous solutions --The effect of structure and temperature on mixed adsorption
     二元表面活性剂混合水溶液的分子间相互作用——结构和温度对混合吸附的影响
短句来源
  相似匹配句对
     MIXED ADSORPTION OF SURFACTANTS ON SOLIDS
     固体自表面活性剂混合溶液中的吸附
短句来源
     ADSORPTION CHARACTERISTICS OF MIXED GAS
     混合气体的吸附特征
短句来源
     MIXED STROKE
     混合性中风
短句来源
     On Mixed Economy
     论混合经济
短句来源
     ON ADSORPTION VOLTAMMETRY OF NIOBIUM
     铌的吸附伏安法
短句来源
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  mixed adsorption
Molecular structure of mixed adsorption layers surfactant-polymer at a liquid-liquid interface
      
The calculation of the mixed adsorption was preceded by the description of multilayer adsorption of individual gases.
      
It appears that the adsorption isotherms describing the mixed adsorption are similar to those of Freundlich and Dubinin-Radushkevich (DR).
      
In the range of more negative potentials, a mixed adsorption layer was found by investigating the kinetics of the reduction of Zn(II) ion as a pilot ion.
      
The properties of the mixed adsorption layer on a mercury electrode in the system 1M NaClO4-p-toluidine-polyethyleneglycol (average molecular masses of polyethyleneglycols: 400 or 10000) are discussed.
      
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The adsorption of single and mixed normal aliphatio alcohols from dilute carbon tetraohloride solutions by silica gel has been determined. The experimental results of single alcohols (C_2~C_6,C_8) may be expressed by Langmuir equation. Careful study of the adsorption from the following binary and ternary mixed alcohols: C_4-C_8, C_5-C_8, C_4-C_5-C_8, indicates that the adsorption of any one alcohol is less than that of the alcohol from a solution of the alcohol alone. The Langmuir type equation for mixed...

The adsorption of single and mixed normal aliphatio alcohols from dilute carbon tetraohloride solutions by silica gel has been determined. The experimental results of single alcohols (C_2~C_6,C_8) may be expressed by Langmuir equation. Careful study of the adsorption from the following binary and ternary mixed alcohols: C_4-C_8, C_5-C_8, C_4-C_5-C_8, indicates that the adsorption of any one alcohol is less than that of the alcohol from a solution of the alcohol alone. The Langmuir type equation for mixed adsorption may be used to represent the experimental data. Plotting of the corresponding (x/m)values gives straight lines with negative slopes which vary with the initial concentration of the alcohol displaced. This fact agrees with the assumption that the decrease of adsorption of individual solutes is due to the displaoement of the solvent with subsequent shift of equilibrium and not due to simple displaoement. Furthermore, the experimental results also show that: (1) At a given initial concentration of the displaced alcohol,the negative slopes of the straight lines are independent of the chain length of the displacing alcohols; (2) If the initial concentrations of displaced aloohols are controlled in order to make the adsorbed amount of different displaced alcohols identical with each other when it is present alone, the negative slopes of straight line for different displaced alcohols are identical too. From these results, we have suggested that the adsorbed layer is monomolecular and the alcohol molecules in the monolayer will be oriented in perpendicular to the surface, with the hydroxyl groups joined to the silica gel, and the hydrocarbon chains directed toward the bulk liquid. With this adsorption model the experimental results may be explained reasonably.

本文测定了硅胶自四氯化碳中对直链脂肪醇的单元、二元和三元混合物的吸附。实验结果表明Langmuir型的混合吸附公式对这类体系基本可以应用。以相应吸附量作图皆得斜率为负的直线,且直线的负斜率不因被顶物和顶替物分子的链长改变而不同。上述结果可以用单分子吸附层和醇分子在硅胶-四氯化碳界面上是垂直取向的模型而得到合理的解释。

The Bussey's BET-type mixed adsorption equations have been applied to adsorption from mixed vapors of cyclohexane-ethanol, benzene-ethanol, and benzene-cyclohexane on Cab-O-Sil at 30℃, and to adsorption from oxygen-nitrogen and oxygen-argon on chromic oxide gel at - 185.6℃. The results are compared with experimental data, and also with author's and Hill's BET-type mixed adsorption equations. Since Hill's equation is much more complex than Bussey's and author's equations, and its...

The Bussey's BET-type mixed adsorption equations have been applied to adsorption from mixed vapors of cyclohexane-ethanol, benzene-ethanol, and benzene-cyclohexane on Cab-O-Sil at 30℃, and to adsorption from oxygen-nitrogen and oxygen-argon on chromic oxide gel at - 185.6℃. The results are compared with experimental data, and also with author's and Hill's BET-type mixed adsorption equations. Since Hill's equation is much more complex than Bussey's and author's equations, and its predictions are not much different from those of Bussey's equation, it is not recommended for application. On the other hand, both the Bussey s and author's equations contain exclusively the parameters of BET equations for single vapors; therefore, they are easy to apply. For some systems the predictions of authors equation are better than those of Bussey's equation, while for other systems the reverse is true. Therefore, from the present results, no conclusion can be reached about which is superior.

本文将Bussey的BET型混合吸附公式应用于30℃时环己烷-乙醇、苯一乙醇和环已烷-苯的混合蒸气在Cab-O-Sil上的吸附,以及—185.6℃时氧-氮和氧-氩混台气体在铬胶上的吸附,并与Hill的和作者的BET型混合吸附公式的结果作了比较.由于Hill的公式太复杂,而其结果又与Bussey公式的差别不大,故从应用的角度看,不宜推荐.Bussey的和作者的公式因只含单纯气体吸附的BET参数,故应用方便;但自现有的实验结果,尚不能判断两者的优劣.

The surface adsorption and micelle formation of mixed solution of cationic and anionic surfactants (dodecyl-trihydroxyethylammonium chloride-sodium dodecylsulfate system and dodecyltrihydroxylethyianamonium chloride-sodium octylsufate system have been investigated.The surface tension of the aqueous solution has been determined by drop-volume method. The total mixed adsorption and the individual adsorption have been calculated by applying Gibbs equation, and the critical micelle concentrations of...

The surface adsorption and micelle formation of mixed solution of cationic and anionic surfactants (dodecyl-trihydroxyethylammonium chloride-sodium dodecylsulfate system and dodecyltrihydroxylethyianamonium chloride-sodium octylsufate system have been investigated.The surface tension of the aqueous solution has been determined by drop-volume method. The total mixed adsorption and the individual adsorption have been calculated by applying Gibbs equation, and the critical micelle concentrations of the mixed solutions have been determined.It is shown that (1) The surface activity of the mixture of cationic and anionic surfactants is rather high. The cmc of the equi-molar C12NE-C12SNa sloution is 4.0×10-5m, far lower than the cmc of C12SNa or sole C12NE solution. The mixed cmc is 1/208 of that of C12SNa and 1/240 of C12NE. The cmc of the equi-molar C12NE-C8SNa solution is 7.4×10-4m, also far lower than the cmc of the single surfactant solution. It is 1/13 of the cmc of C12NE and 1/189 of that of C8SNa. (2) As a mixed solution of cationic and anionic surfactants with the same number of carbon atoms (such as C12NE-C12SNa), the total adsorption (saturated) is nearly 6.7 ×10-10mol/cm2 irrespective of the mix ratio of the two components, and there is nearly equi-molar adsorption in adsorption layer, the area occupied by each molecule is 25A, This close packing of molecules in the surface layer is due to the strong mutual interaction between the surface active cations and anions. For the mixed solution of cationic-anionic surfactant with different hydrocarbon chain length (such as C12NE-C8SNa), the total adsorption (saturated) is all nearly 5.4 × 10-10mol/cm2 with different mixed ratio of the two components, Because of the two components have different surface activity, the adsorption of cationic and anionic surfactant in surface layer are not equi-molar, the ratio is Γc12NE/Γc8SNa=1.3, the surface active ion with a longer hydrocarbon chain adsorbs preferentially at the surface. (3) The introduction of hydroxyethyl group into the hydrophilic part of the cationic surfactant makes the 1:1 mixture more hydrophilic and more soluble. Thus a solution of 1:1 C12NE-C12SNa can be prepared with a concentration of 2.64 10-4m. This is about 6.6 times of the cmc of mixture. The solution had been leaved there for two years, no turbidity was observed.

本工作研究了十二烷基三羟乙基氯化铵(C_(12)NE)和十二烷基硫酸钠(C_(12)SNa),十二烷基三羟乙基氯化铵(C_(12)NE)和八烷基硫酸钠(C_8SNa)两体系的正、负离子表面活性剂混合溶液的表面吸附和胶团形成。用液体积法测定了一系列不同比例C_(12)NE~C_(12)SNa、C_(12)NE~C_8SNa混合水溶液在25℃、总离子强度为0.1000m时的表面张力,用Gibbs公式计算了总吸附量和分吸附量。另外,初步探索了混合溶液的某些胶团性质。结果表明: 1.正、负离子表面活性剂混合物具有较高的表面活性。等摩尔C_(12)NE~C_(12)SNa混合溶液的cmc为4.0×10~(-5)m,分别为单个C_(12)SNa、C_(12)NEcmc的1/208和1/240。等摩尔C_(12)NE~C_8SNa混合溶液的cmc为7.4×10~(-4)m,分别为单个C_(12)NE、C_8SNa cmc的1/13和1/189。 2.对于碳原子数相同(如C_(12)NE~C_(12)SNa)的正、负离子表面活性剂的混合溶液,不论其混合比例如何,在饱和吸附时,总吸附量接近6.7×10~(-10)mol/cm~...

本工作研究了十二烷基三羟乙基氯化铵(C_(12)NE)和十二烷基硫酸钠(C_(12)SNa),十二烷基三羟乙基氯化铵(C_(12)NE)和八烷基硫酸钠(C_8SNa)两体系的正、负离子表面活性剂混合溶液的表面吸附和胶团形成。用液体积法测定了一系列不同比例C_(12)NE~C_(12)SNa、C_(12)NE~C_8SNa混合水溶液在25℃、总离子强度为0.1000m时的表面张力,用Gibbs公式计算了总吸附量和分吸附量。另外,初步探索了混合溶液的某些胶团性质。结果表明: 1.正、负离子表面活性剂混合物具有较高的表面活性。等摩尔C_(12)NE~C_(12)SNa混合溶液的cmc为4.0×10~(-5)m,分别为单个C_(12)SNa、C_(12)NEcmc的1/208和1/240。等摩尔C_(12)NE~C_8SNa混合溶液的cmc为7.4×10~(-4)m,分别为单个C_(12)NE、C_8SNa cmc的1/13和1/189。 2.对于碳原子数相同(如C_(12)NE~C_(12)SNa)的正、负离子表面活性剂的混合溶液,不论其混合比例如何,在饱和吸附时,总吸附量接近6.7×10~(-10)mol/cm~2,吸附层中也是近于等摩尔吸附,每个分子所占面积约为25A~2,这是由于正、负表面活性剂离子之间相互强烈作用导致表面层中成紧密排列结构。 碳原子数不同的正、负离子表面活性剂(如C_(12)NE~C_8SNa)的混合溶液,不论其比例如何,其饱和吸附时总吸附量接近5.4×10~(-10)mol/cm

 
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