【摘 要】
:
Co-Pd bimetallic catalysts immobilized with four kinds of resins with different specific areas were prepared by means of the solvated metal atom impregnation (S
【机 构】
:
Department of Chemistry
论文部分内容阅读
Co-Pd bimetallic catalysts immobilized with four kinds of resins with different specific areas were prepared by means of the solvated metal atom impregnation (SMAI) method. The results of the XRD and the magnetic measurement showed that as the specific area of the resin increased,the particle sizes of Co and Pd on the catalysts with the same metal content decreased, so the catalytic activity of the catalysts for the hydrogenation of diacetone alcohol as well as the reduction of oxygen on the fuel cell electrode increased. Below 140 ℃, the conversion of diacetone alcohol increased as the reaction temperature increased, and above 140 ℃, the conversion decreased because of the rupture of the resin.
其他文献
为探究吕家坨井田地质构造格局,根据钻孔勘探资料,采用分形理论和趋势面分析方法,研究了井田7
Four Oke-Gunn (OG) standards, HD 19445, HD 84937, BD+26 2606 and BD+17 4708 are used as standard stars for flux calibration in the BATC project. They are also w
为探究吕家坨井田地质构造格局,根据钻孔勘探资料,采用分形理论和趋势面分析方法,研究了井田7
目的观察三氧化二砷(As2O3)对人膀胱癌细胞的诱导凋亡作用并探讨其机制。方法采用细胞计数和MTT法检测As2O3对人膀胱癌细胞株BIU-87的生长抑制作用;采用3H-TdR掺入法 检测癌细
We obtain the normally ordered form of the general multimode exponential operator by means of parameter differentiation method and its antinormally ordered form
This paper is concerned with the numerical simulation of the transient effect of an inertialess Boger fiow past a confined circular cylinder and the comparison
Tensor polarization t20 of the deuteron is calculated on the basis of a hybrid quark-hadron model. A relativistic wavefunction of the deuteron is used to calcul
The structural and morphological evolution of mono-domains in thin films has been investigated for a series of liquid crystalline (LC) copolyethers. The copolye
在气束条件下,利用483.2 nm的激光(3+1)共振增强多光子电离(REMPI)CS2分子以产生CS2+离子源,用另一束可调谐激光在424~482 nm内,通过对CS2+( 2 Πg)(1+1)双光子共振解离产生的