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政协新闻宣传要把握的“着力点” 被引量:1
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作者 袁家权 《新闻世界》 2016年第3期10-12,共3页
政协新闻宣传工作是党的宣传思想工作的重要组成部分,是人民政协事业的重要内容。如何把握好政协新闻报道的"着力点",本文从坚持党性原则的报道立场、凸显政协宣传特色等方面提出了见解。
关键词 政协新闻 党性原则 宣传时效 着力点
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Promotional Effect of CoO(OH) on Selective Hydrogenation of Maleic Anhydride to γ-Butyrolactone over Supported Ruthenium Catalyst 被引量:1
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作者 Zhou Yafen Wang Qing +3 位作者 Wang Manman Yang Wenjuan Zhou Limei Ma Xiaoyan 《China Petroleum Processing & Petrochemical Technology》 SCIE CAS 2015年第4期96-101,共6页
A decorated ruthenium catalyst was prepared by the coprecipitation method and used for the selective hydrogenation of maleic anhydride(MA) to γ-butyrolactone(GBL). The as-prepared catalyst was characterized by XRD, T... A decorated ruthenium catalyst was prepared by the coprecipitation method and used for the selective hydrogenation of maleic anhydride(MA) to γ-butyrolactone(GBL). The as-prepared catalyst was characterized by XRD, TGDTG and N2 adsorption techniques. The characterization tests revealed that the catalyst carrier was composed of monoclinic zirconia(m-ZrO2) and hydroxyl cobalt oxide(CoO(OH)). The hydrogenation results showed that the content of CoO(OH), the reaction temperature, the hydrogen pressure and the reaction time significantly affected the catalytic selectivity to GBL. The promotional effect of CoO(OH) was remarkable, which led to an obvious increase in GBL selectivity. An 100% MA conversion and 92.0% selectivity to GBL were achieved over the Ru/ZrO2-CoO(OH)(35%) catalyst in water solvent under the conditions involving a reaction temperature of 180 ℃, a hydrogen pressure of 3.0 MPa, and a reaction time of 6 h. 展开更多
关键词 ruthenium catalyst hydrogenation maleic anhydride γ-butyrolactone
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