It is characterized with good activity, good iso-olefins selectivity, hydrothermal stability and heavy metal tolerance.
催化剂活性高，异丁烯选择性好，水热稳定性好，抗重金属能力强。
The results showed that the influence of sulfonated oil STO, SEO, sulfited fish oil and L-3 on hydrothermal stability was weak;
实验结果表明，磺化油SEO、STO、亚硫酸化鱼油、L-3对无铬鞣的耐湿热稳定性影响较小；
MCM-48 synthesized at high pressure appeared higher thermal and hydrothermal stability than that synthesized at autogenous pressure.
与常压合成的相比，高压下合成的MCM - 48具有更高的热稳定性和水热稳定性。
The catalyst was slow in carbon deposition and good in chlorine retention, high in hydrothermal stability and excellent in structural stability.
催化剂积炭速率慢，具有良好的持氯能力、水热稳定性和结构稳定性。
Proper increase of La ion exchange degree not only increased the stability of the framework structure but also the hydrothermal stability of acid sites.
镧离子也有稳定骨架的作用，更重要的是能提高酸中心的水热稳定性。
The commercial test has shown that LBO-16H catalyst exhibits good performance of hydrothermal stability and fluidity and anti-alkaline nitrogen compound contamination.
工业试验表明，LBO-16H催化剂有较高的活性稳定性和良好的流化性能，抗碱氮能力强；
However, its application to petrochemical industry is limited due to the amorphous character of mesopore wall and weak acidity, as well as poor hydrothermal stability.
但由于孔壁是无定形结构，酸性较弱和水热稳定性较差，使其在催化领域的应用受到很大限制。
The bonding theory explains the difference of hydrothermal stability of leathers tanned by various mineral-tanning agents according to their bond strength to collagen.
价键理论根据鞣剂与胶原活性基团形成配位键的强弱，解释各种无机鞣剂鞣革性能的差异。
Mesoporous MCM-48 with high thermal and hydrothermal stability has been successfully synthesized in buffer solution by mixed cationic-nonionic surfactant templating pathway.
利用混合阳离子-非离子表面活性剂为模板剂在缓冲体系中成功地合成出具有高热和水热稳定性的MCM - 48介孔材料。
For FCC resid processing, USY zeolite is perferred because of its superior hydrothermal stability, vanadium resistance and coke selectivity compared to conventional zeolites.
超稳y分子筛的水热稳定性、抗钒性能和焦炭选择性都优于传统的沸石，适合作为渣油FCC催化剂的活性主体。
SAPO is a novel class of catalytic materials which exhibit excellent shape selectivity, thermal stability and hydrothermal stability, which can catalyze hydrocarbon reactions.
骨架呈负电性，具有可交换的阳离子，被广泛用作吸附剂、催化剂和催化剂载体，是一种具有优异择形选择性、热稳定性和湿热稳定性的新型催化材料。
Comparing different kinds of fat liquors and retanning agents, the influence of fat-liquoring and retanning on hydrothermal stability of chrome-free tanned pig garment leather was studied.
通过对比实验研究了不同加脂剂、复鞣剂对无铬鞣猪皮服装革耐湿热稳定性的影响。
The conversion of -SH groups on the pore surface of the mercapto-functionalized mesoporous silicas with high hydrothermal stability to -SO3H gave rise to a series of solid acidic catalysts.
由高水热稳定的巯基官能化介孔硅基材料经氧化得到磺酸基官能化介孔固体酸催化剂。
Current research has been focused on the studies of isothermal tension and its relaxation, its relation and their application on investigation of the hydrothermal stability of skin collagen.
本文描述了等温应力松驰的检测方法及使用此方法对皮胶原的耐湿热稳定程度的研究。
After hydrothermal catalytic pyrolysis reaction of heavy oil, the stability of asphaltene became worse.
经过供氢催化水热裂解反应，稠油中沥青质的稳定性下降。
After hydrothermal catalytic pyrolysis reaction of heavy oil, the stability of asphaltene became worse.
经过供氢催化水热裂解反应，稠油中沥青质的稳定性下降。
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