1) ultra-stable
水热超稳
1.
The ultra-stable zeolite DASY 2.
对工业用水热超稳分子筛 DASY 2。
3) ultrasonic hydrothermal
超声水热
1.
Preparation of mono-disperse spherical silicon dioxide by ultrasonic hydrothermal method;
超声水热法制备单分散球形二氧化硅及因素分析
4) hydrothermal stability
水热稳定性
1.
The viewpoint which mesoporous composite zeolite with high hydrothermal stability and relatively strong acidity represented the main direc- tion of composite zeolite synthesis was proposed.
本文概述了近年来复合分子筛材料的研究进展,提出高水热稳定性和较强酸性介孔复合分子筛已成为复合分子筛领域主要研究方向,详细介绍了纳米组装法合成复合分子筛,并展望了复合分子筛的发展前景。
2.
The thermal and hydrothermal stability as well as the synthesis mechanism of the pillared materials were studied using a X-ray diffraction(XRD),Fourier transformation infra-red spectra(FTIR),thermogravimetric analysis(TG),and differential scanning calorimetry(DSC).
通过粉末X射线衍射(XRD),热重法(TG),差示扫描量热法(DSC),傅利叶变换红外光谱(FTIR)等测试手段研究了材料热稳定性、水热稳定性及柱化机理。
3.
Experimental results show that the pore volume of Al-MCM-41 enlarges as the molar ratio of SiO_2∶Al_2O_3 in the gel increases (30～50); the pore order becomes better as the stirring time on mother gel gets longer;and the hydrothermal stability is improved by Al .
研究了合成母液中SiO2∶Al2O3摩尔比对合成Al-MCM-41的影响;合成过程中母液搅拌时间不同对样品孔序度的影响;以及铝引入到MCM-41骨架后,样品的水热稳定性评价。
5) Thermal and Hydrothermal Stability
热和水热稳定性
6) Geopressured hydrothermal system
超压热水系
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