搜索结果: 1-5 共查到“化学 comparative study”相关记录5条 . 查询时间(0.071 秒)
Comparative study of selective CO oxidation over Pt-Co-M/Al2O3 catalysts (M=Ce, Mg, Mn, Zr, Fe) in hydrogen-rich streams: effects of a second promoter
Selective CO oxidation promoted Pt catalysts Pt-Co/Al2O3 catalyst fuel cell fuel processor
2010/4/8
The selective CO oxidation over Pt-Co/Al2O3 catalyst in hydrogen-rich streams was studied in the presence of Ce, Mg, Mn, Ze, and Fe as the second promoters. The catalysts were prepared using incipient...
A comparative study of helium isotope for manganese nodules and their surrounding sediments
2007/7/28
期刊信息
篇名
A comparative study of helium isotope for manganese nodules and their surrounding sediments
语种
英文
撰写或编译
撰写
作者
Li,YH; Song,HB; Li,JC
第一作者单位
刊物名称
GEOCHIMICA ET COSMOCHIMICA ACTA
页面
66 (15A): A45...
A comparative Study for basic Characterization of three Clinoptilolite Specimens
clinoptilolite ion exchange mineral composition vater wapour desorption
2010/4/22
Physicochemical and mineralogical characteristics of the clinoptilolite tuffs of Chinese, Slovakian and American origin were investigated using various techniques, i.e. X - ray powder diffraction, wat...
A Comparative Study on the Recovery of EcoRI Endonuclease from Two Different Genetically Modified Strains of Escherichia coli
EcoRI endonuclease recombinant E. coli purification enzyme recovery
2010/6/27
A laboratory scale procedure developed for the purification of EcoRI restriction endonuclease was applied to two different Escherichia coli} strains, E. coli 294 and E. coli M5248, which are genetical...
Contamination of Roadside Soil, Plants, and Air With Heavy Metals in Jordan, A Comparative Study
Roadside Soil Plants Air Heavy metal pollution Jordan
2010/6/28
Copper, lead, cadmium, and zinc levels were analyzed by atomic absorption spectrophotometry in surface soil, plants, and air samples taken from both sides of the major highway connecting Amman with th...