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固体表面酸性
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  “固体表面酸性”译为未确定词的双语例句
     Thermodynamic Method for Studying Acidity Classification of Complex Solid Surface
     研究固体表面酸性分类的热化学方法
短句来源
     The acidity measurement indicates that solid acidity composition of PCs are mainly of Lewis acidity type, few of the Bronsted acidity type, sensitive to temperature, and ease to lost in the higher temperature environment.
     酸性测试表明,PCs材料的固体表面酸性主要以L酸为主,B酸含量较少,并对温度较为敏感,在高温下容易失效。
短句来源
     The microcalorimetric technique was used to study quantitatively surface acidities of Cr/C catalysts with intension, number and distribution.
     以NH3作为吸附探针分子,定量地分析了Cr/C固体表面酸性中心的强度、数量和分布状态,并探讨了表面酸性对催化性能的影响关系。
短句来源
  相似匹配句对
     Solid Surface Fluorescence for the Determination of Protein
     蛋白质固体表面荧光分析法研究
短句来源
     ADSORPTION PERFORMANCE OF CALCIUM LIGNOSULFONATES ON SURFACE OF SOLID PARTICLE
     木素磺酸盐在固体颗粒表面的吸附性能
短句来源
     Thermodynamic Method for Studying Acidity Classification of Complex Solid Surface
     研究固体表面酸性分类的热化学方法
短句来源
     Determination of Surface acidity of solid-acid catalysts by FTIR
     红外光谱测定固体酸催化剂表面酸性
短句来源
     Solid Camera
     固体摄象机
短句来源
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  solid surface acidity
A new method for characterizing solid surface acidity - an infrared spectroscopic method using probe molecules such as N2 and ra
      


In this paper, we introduced a new thermo chermical method for studying acidity classification of complex solid surface, which based on the establishment in advance of prototypes for various acidity(proton acidity, Lewis acidity and hydrogen bond acidity) and dispersion force interaction and on the comparison of the heats evolved when the solid was immersed in a series bases with the heats evolved by the several prototypes react on the same series bases. As an example, we studied the acidity classification of...

In this paper, we introduced a new thermo chermical method for studying acidity classification of complex solid surface, which based on the establishment in advance of prototypes for various acidity(proton acidity, Lewis acidity and hydrogen bond acidity) and dispersion force interaction and on the comparison of the heats evolved when the solid was immersed in a series bases with the heats evolved by the several prototypes react on the same series bases. As an example, we studied the acidity classification of five American coal samples by the method abovementioned. Some interesting results have been obtained and a comparison of the use of these solid prototypes versus homogeneous analogues(e.g.Taft Kamletparameters) has been carried out. The results show that the thermochemical method abovementioned will be a very promising general method to study acidity essence and quantitative composition of various acidity on solid surface, although we still do not have an appropriate solid prototype for Lewis acidity at present and there are some problems have to further study.

本文介绍一种研究复杂固体表面的酸性本质及其构成的热化学方法,它基于首先建立各类酸性(质子酸性,Lewis酸性和氢键酸性)以及色散作用的固体模型,然后测定所研究固体与一系列碱的反应热并将其与各模型固体与同一系列碱的反应热相比较,应用数学统计方法,得到所研究固体表面酸性的本质和各类酸性的定量组成,作为一个初步应用,研究了五种美国煤样的表面酸性,得到令人鼓舞的结果,虽然目前尚缺乏适当的Lewis酸固体模型,但可以预料,它极有希望发展成为研究复杂固体表面酸性分类和组成的普遍方法。

The microcalorimetric technique was used to study quantitatively surface acidities of Cr/C catalysts with intension, number and distribution. The relationship between surface acidities and catalytic performance of ethane dehydrogenation with CO2 over Cr/C was also discussed.

以NH3作为吸附探针分子,定量地分析了Cr/C固体表面酸性中心的强度、数量和分布状态,并探讨了表面酸性对催化性能的影响关系。结果表明适当强度的酸性位有利于CO2氧化乙烷脱氢制乙烯反应。

 
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