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loser木虫 (小有名气)
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表3是物性数据，图3是N2吸附-脱附等温线和孔分布曲线，由图3可以看出，样品的N2吸附-脱附等温线（1）是典型的Ⅳ型曲线，P/P0在0.65～0.90 具有毛细凝聚段和H1滞后环，说明催化剂具有均一的直形孔道。从孔分布曲线（2）可见集中的孔分布，孔径大小在5.92nm。 In table 3. the physical properties are presented. Figure 3 is the isothermal curves of N2 adsorption/desorption and pore size distribution, it shows that the isothermal curve of N2 adsorption/desorption is Ⅳ-type ,as the value of P/P0 is between 0.65 and 0.90,it has capillary condensation and H1 hysteresis loop，so the catalyst has uniform straight channel. It is also found that the pore size distribution is concentrated and the pore size is 5.92nm. |
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zhangzws
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loser(金币+16, 翻译EPI+1): 2010-10-24 16:39:26
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表3是物性数据，图3是N2吸附-脱附等温线和孔分布曲线，由图3可以看出，样品的N2吸附-脱附等温线（1）是典型的Ⅳ型曲线，P/P0在0.65～0.90 具有毛细凝聚段和H1滞后环，说明催化剂具有均一的直形孔道。从孔分布曲线（2）可见集中的孔分布，孔径大小在5.92nm。 The physical property data are given in Table.3. The nitrogen adsorption-desorption isotherms and the pore size distribution curve are shown in Fig.3. From Fig.3, it can be seen that the nitrogen adsorption-desorption isotherm (1) of sample is typical Ⅳ-type curve and that the ratio of P/P0 is between 0.65 and 0.90. Additionally, the isotherm has capillary condensation phenomenon and H1 hysteresis loop. It indicates that the catalyst has uniform straight channel. The pore size distribution curve (2) also shows that the pore size distribution is concentrated and the pore size is 5.92nm. ”表3是物性数据，“ 这一句好像和下文内容没什么联系呀 |
2楼2010-10-23 15:53:33
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