物理吸附

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  • physical adsorption;physisorption
物理吸附物理吸附
  1. 物理吸附与化学吸附用脉冲色谱吸附技术考察了异戊二烯在中毒程度不同的负载Ni催化剂上的化学吸附。

    Physisorption and Chemisorption The Adsorption and thermal desorption of 2-methyl-butadiene over different degree poisoned catalysts has been studied with the method of pulse chromatogram adsorption .

  2. 化学吸附和物理吸附的等温方程符合Freundlich模型,二者的吸附速率方程都更加符合二级吸附速率模型。

    The chemisorption and physisorption isotherm equations are conformed to the Freundlich model , and the adsorption process accords with second-order kinetic rate mode .

  3. 根据无孔活性炭Ap在77.3K物理吸附氮的实验数据,用计算机拟合了n~x关系。

    According to the experiment results , the n  ̄ x relation is simulated by using computer .

  4. 用低温CO2物理吸附法测定了它们的比表面积,并分别用BET和D-P方程进行求解。

    Their surface area and pore volume were determined using CO2 adsorption isotherm , and calculated by BET and D-P equations .

  5. 纳米TiO2对胰蛋白酶的物理吸附作用研究

    Research on Physical Absorption Behavior of Trypsin on Nano-meter TiO_2

  6. 但是对于表面粗糙度最高的陶瓷,由于Fe转移膜的物理吸附,出现了负磨损现象。

    For ADZ ceramic whose surface roughness is the highest , negative wear of ADZ ceramic takes place due to steel transfer .

  7. 单壁BN纳米管和碳纳米管物理吸附储氢性能的理论对比研究

    Comparative theoretical study of hydrogen storage in single-walled boron-nitride and carbon nanotubes

  8. 采用X射线衍射、N2物理吸附和红外光谱等手段对TS-1催化剂表征。

    The TS-1 samples are characterized by XRD , N2 adsorption-desorption , and FT-IR technics .

  9. SDS在晶体或无定形纳米颗粒表面的物理吸附,促使三水碳酸镁发生定向生长,形成晶须。

    Physical adsorption of SDS on nano-crystalline or amorphous nano-particles surface promoted oriented growth of nesquehonite .

  10. 最后,通过现场煤自燃发火期与煤物理吸附氧量和低温氧化活化能E的对比,对该指标的实用性和科学性进行了检验。

    At last , the practicability and correctness of the new index were proved through comparing spontaneous combustion period with physisorption of oxygen and activation energy E.

  11. 合成的炭材料通过粉末X射线衍射仪、透射电子显微镜、N2物理吸附、扫描电子显微镜、热重分析等手段进行表征。

    The obtained carbon materials were characterized by N2 physical adsorption , transmission electron microscopy , X-ray diffraction and scanning electron microscopy .

  12. 元素分析、氮气物理吸附和X射线衍射分别考察了裂解炭的元素组成、BET比表面积以及微晶结构变化;

    Elemental composition and BET surface area of pyrolysis carbon were investigated . X-ray diffraction pattern and constant-current charge-discharge properties of pyrolysis carbon were studied .

  13. 利用N2物理吸附、CO化学吸附、X射线粉末衍射(XRD)等表征手段对炭载体和钌催化剂进行了一系列表征;

    N_2 physical adsorption 、 CO chemisorption 、 X-ray Diffraction ( XRD ) et al were carried out to characterize the properties of the supports and ruthenium catalysts .

  14. 结果表明,氢氧化铬沉淀主要是以物理吸附的形式吸附SLS。

    The result indicates that adsorption of SLS on chromium hydroxide precipitate is physical adsorption .

  15. 拜耳赤泥吸收SO2的过程起作用的主要是化学中和反应,其次是物理吸附。

    Chemical neutralization reactions play the main roles in the process of absorbing SO2 , and physical adsorption is secondary .

  16. 并运用TG-DTA、XRD、TEM和氮气物理吸附等实验手段对不同干燥方式所得粉体的有关性质进行了测试表征。

    TG-DTA , XRD , TEM , nitrogen adsorption and some other experiment methods have been used to characterize the products .

  17. NH4~+在褐煤腐植酸中的物理吸附与化学交换

    Physical adsorption and chemical exchange of nh_4 ~ ( + ) on humic acid extracted from brown coal

  18. 借助透射电子显微镜(TEM)、X射线衍射仪(XRD)和物理吸附仪等仪器对纳米氢氧化铝镁超细粉体进行表征,并对其分散性能进行了探讨。

    It is characterized by using transmission electron microscope ( TEM ), X-ray diffractometer ( XRD ), specific surface area and porosimetry while its dispersion is investigated .

  19. 本文以MCM-41和SBA-15两种具有代表性的不同孔径的介孔材料为载体,采用物理吸附法固定化漆酶。

    The method for laccase immobilization on mesoporous material by physical absorption has been studied .

  20. 跨临界温度吸附时,CO2在煤中的吸附量与温度变化不呈单调递减关系,反映了煤物理吸附和CO2相变综合作用的结果。

    Adsorption of CO2 crossing the supercritical temperature is not monotonically decreasing functioned with temperature and determined by both physisorption of coal surface and phase change of CO2 .

  21. 本文研究了粘胶基活性碳纤维(VACF)对模拟废气中的SO2的物理吸附、化学吸附转化性能。

    In the paper , adsorption and change of SO 2 on viscose based activated carbon fibre ( V ACF ) has been studied .

  22. 本工作采用激光光声谱对85K多晶Cu表面上NH3分子的物理吸附进行了研究。

    Ammonia physisorption on polycrystalline copper surface at 85 K has been studied by infrared photoacoustic spectroscopy .

  23. 以AB-8型大孔吸附树脂为载体,通过物理吸附的方法固定化β-葡萄糖苷酶。

    β - glucosidase was immobilized onto the AB-8 macroporous resin through physical adsorption .

  24. 并通过XRD、TEM、N2-物理吸附和H2-TPR对催化剂结构和表面性质进行了表征。

    The structure and surface property of the catalysts were investigated by XRD 、 XPS 、 TEM 、 N2-physisorption and H2-TPR characterization .

  25. 通过红外光谱、热分析、表面Zeta电位测试分析研究其改性作用,结果表明:改性剂通过物理吸附和化学吸附作用于超细铁红粒子表面;

    The surface modification mechanism of the modifier was studied by testing samples with IR , Thermal analysis and zeta potential .

  26. 通过对NO在电极表面电氧化过程的探讨发现,NO与CNTs之间的同时存在着物理吸附和化学吸附;CNTs表面带有的不同有机基团可以影响吸附的形成。

    Both physical and chemical adsorption are found between NO and CNTs . The adsorption is influenced by the organ groups on the CNTs surface .

  27. 物理吸附的NO被SO2置换解析,化学吸附的NO能够促进活性炭对SO2的吸附;

    The NO ab sorbed physically being substituted and desorbed , the NO absorbed chemically can promote the adsorption ability of activated carbon for SO 2 ;

  28. 结果表明,有机物与SWNT之间的吸附属于物理吸附。

    The results showed that organic chemicals adsorption on SWNT were physical adsorption .

  29. γAl2O3B2O3复合膜在脱硫过程中起主要作用,其吸附二氧化硫的过程中既存在物理吸附又存在化学吸附,脱硫率均大于40%。

    The main effect of the γ Al_2O_3B_2O_3 composite membranes occur in physical and chemical absorptions during the desulphurization process . The desulphurization ratio is greater than 40 % .

  30. 介绍了国际上为削减CO2排放所采取的各种措施,着重介绍了化学吸收法、物理吸附法和膜分离法的基本原理及系统构成。

    Various technical measures in the world for reducing CO 2 emission were introduced . Basic principles and systems of chemical absorption , physical absorption and membrane separations were described in detail .