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- RE composite solid superacid 稀土复合固体超强酸
- nanometer rare earth composite solid superacid 纳米稀土复合固体超强酸
- nanometer composite solid superacid 纳米复合固体超强酸
- rare earth composite solid superacid 稀土复合固体超强酸
- Keywords natural borneol;rare earth composite solid superacid;borneolacetate; 天然龙脑;稀土复合固体超强酸;乙酸龙脑酯;
- STUDY ON THE SYNTHESIS OF DOP CATALYZED BY THE COMPOSITE SOLID SUPERACID SO 2- 4/TiO 2 Al 2O 3 复合固体超强酸SO~(2-)_4/TiO_2-Al_2O_3催化合成DOP的研究
- Finally, the development trend of solid superacid catalysts is presented. 展望了固体超强酸催化剂在生物柴油制备中的发展方向。
- The SEM,XRD and IR analyses indi-cate that the catalyst has catalyst has spectral characteristics of solid superacid. SEM、XRD及 IR分析表明 ;SO42 -/ Zr O2 - AL2 O3 具有固体超强酸的光谱特征 .
- Solid superacid was used as the catalyst in the synthesis of glycerol triacetate. 以固体超强酸为催化剂,对冰醋酸和甘油的酯化反应进行了研究。
- A series of rare earth solid superacid were prepared and used for synthesizing dimethyl fumarate(DMF). 制备了一系列稀土固体超强酸用于合成富马酸二甲酯。
- In this paper, with solid superacid as catalyst for isoamyl propionate synthesis was studied. 本论文用固体超强酸为催化剂对丙酸异戊酯的合成进行了研究。
- The results show that rare earth solid superacid catalysts have high catalyst activity and stabilization. 研究结果表明,稀土固体超强酸具有很高的催化性能和稳定的催化活性。
- The optimum reaction conditions of catalyzed synthesis of n-octyl lactate had been studied with the ferric solid superacid as catalyst. 以铁系固体超强酸为催化剂,研究了催化合成乳酸辛酯的最适宜反应条件。
- Kishore K. Action of transition metal oxides on composite solid propellants[J]. AIAA J., 1980, (18):1404. 张炜;张仁.;过渡金属氧化物催化作用的表征[J]
- The reaction mechanism were determined with FT-IR spectroscopy of methanol,acetic acid,acetic ester on the SO?4??2-?/ZrO?2 solid superacid catalyst. 以甲醇、乙酸和乙酸乙酯吸附在SO42-/ZrO2固体超强酸催化剂上的FT-IR光谱,推测酯化反应机理。
- The reactive condition of catalyst was optimized by orthogonal method. The acid strength and structures of solid superacid catalyst was research. 用正交试验法对催化剂的制备条件进行优化,并对催化剂的酸强度、酸结构进行了系统的研究。 具体工作分为三部分进行:
- The application of zeolites,solid superacid and other catalysts in alkylation of isobutane with butene has been reviewed. 概述了沸石催化剂、固体超强酸催化剂等在异丁烷/丁烯烷基化反应中的研究进展及其应用效益。
- It was obtained that the application of the coated DHG in composite solid propellants of hydroxyterminated binder can improve mechanical properties of the propellant. 二羟基乙二肟包覆后应用在端羟基粘合剂中,可改善复合固体推进剂的力学性能。
- The influence of solid superacid preparation on its properties and naphthalene oligomerization was investigated in this paper. 研究了固体超强酸催化剂制备条件对催化剂性质及萘齐聚反应的影响。
- The viscoelastic properties of composite solid propellant slurry,like HTPB,CTPB,polyether propellants were studied using Haake CV20N viscometer. 用CV20N流变仪研究了HTPB推进剂、CTPB推进剂和聚醚推进剂药浆的粘弹性特征。