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- IR spectrum of the samples exhibits an obvious band at 550cm-1.The band at near 550cm 1 is similar to that of five-membered rings in microporous zeolites. 负载后样品的红外谱图在550 cm-1左右有一个明显的峰,这个位置的峰一般归属微孔沸石分子筛五员环的振动,说明了微孔的导向剂已经负载在介孔材料上;
- micropore zeolites 微孔沸石
- Solid-State NMR Studies of Base-Induced Br(?)nsted Acid Sites in Mesoporous and Microporous Zeolites 介孔、微孔分子筛中碱诱导Br(?)nsted酸的固体核磁共振研究
- The micropore content was measured by mercury porosimeter. 用压汞法测定了拉伸丝的微孔含量。
- The micropore diffusiviites of oxygen and nitrogen are obtained. 求得了氧、氮的扩散系数。
- Zeolites are made up mainly of a framework of silicon, oxygen, and aluminum. 沸石的骨架主要由硅、氧和铝原子构成。
- Those obtained zeolites were characterized by XRD, SEM, MAS NMR and BET. 采用XRD、SEM、MAS NMR、BET等方法对所制备的分子筛进行了物化表征。
- These adhesives can be used for tightening screw and impregnation of micropore. 主要用于各种螺纹件的锁固密封和金属零部件微孔的浸渗密封。
- The development prospects for modification of USY zeolites were put out. 并对以后USY分子筛的改性进行了展望。
- This paper discussed the resources about natural zeolites on Internet, and introduced the ways to search for them. 本文主要介绍了INTERNET上与天然沸石有关的化学化工信息资源,并且初步讨论国际互联网和国内互联网上天然沸石信息量。
- The compound micropore honeycomb plate paper core uses AA high-strengthcorrugated core. 复合微孔蜂窝板芯纸采用AA级高强瓦楞芯。
- Besides, the conversion of ethanol have been found to be dependent on the amount of surface acid sites on zeolites. 乙醇转化率与分子筛表面酸量有关。
- The mathematical model of the micropore structure has been built in this paper on the capillary tube theory foundation. 摘要应用毛细管理论建立了微孔结构数学模型;
- It is shown that the acid sites of the zeolites play an important role on coke deposition. 酸强度越高,越容易积炭,酸量越大积炭越多。
- The structure of the micropore and high adsorptive capability of activated carbon fibers(ACF) were introduced. 介绍了活性碳纤维(ACF)的微孔结构及其优异的吸附性能;
- Shape-selective modification on zeolites and their application in methylamine synthesis were reviewed. 介绍了有关沸石分子筛的择形改性研究及其在甲胺合成工业中的应用和进展。
- However, other M-TCNQ materials cannot store any hydrogen because of no micropore in their crystal structures. 以上是对电荷转移型金属有机配合物M-TCNQ微纳米结构的制备及一些应用的基础研究。
- Abstract : Micropore filtration under constant driving pressure is a powerful tool for assessing the RBC deformability. 摘要 : 等压微孔过滤法是测定红细胞变形性的重要手段。
- Modified on the USY zeolites, modulated its structure and the surface of acidity, in order to improve its performance. 对USY分子筛进行改性,调变其结构和表面酸性,可以达到改善其催化性能的目的。
- Progresses on synthesis method and structural properties of hierarchically ordered zeolites were reviewed. 并就制备方法和产品结构的特点进行了评述。