lanthana相关论文
A novel lanthana-promoted nickel catalyst supported on silica for the liquid phase hydrogenation of m-dinitrobenzene to ......
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......
A novel K2O and La2O3 promoted nickel catalyst supported on α-Al2O3 was prepared by co-impregnation method, and it exhi......
Synthesis of La3+ and Nd3+ co-doped yttria nanopowder for transparent ceramics by oxalate precipitat
Polycrystalline Nd3+ and La3+ co-doped yttria nanopowder Nd3+:Y1.90La0.10O3 for transparent ceramics was synthesized by ......
The decomposition of methane on Ni/α-Al2O3 modified by La2O3 and CeO2 with different contents has been investigated and......
The importanCe of rare earths being applied in the catalyst for cleansing the exhaust gas out of car was introduced. The......
用等体积浸渍法制备了MgO-SiO2(MgSiO)复合氧化物负载的Ni-Cu双金属催化剂，采用程序升温还原(TPR)，X光电子能谱(XPS)，红外光谱(IR)，程......
通过非稳态脉冲动力学方法,考察了载体MgAl2O4和α-Al2O3以及助剂La2O3对Ni催化剂催化解离CH4性能的影响. 在以前的积炭方法中, CH......
采用溶胶法制备了平均粒径为4．9nm的RuO2溶胶，然后以镁铝尖晶石为载体，用一步沉淀法制备了嵌埋式纳米Ru基水煤气变换反应催化剂．利用透......
制备了一系列不同La2O3含量（100Fe/2.8Si/nLa,n=0,0.5,1,2,4,原子比）的沉淀铁费-托合成催化剂,通过原位X射线衍射、一氧化碳程序升温......
以六水氯化镧与氢氧化钠为反应物，在室温下通过固相化学反应首先合成前驱物氢氧化镧，经热分解得到纳米氧化镧。用透射电镜（TEM）和X射线......
为解决γ-Al2O3在高温条件下的热稳定性问题,在实验室模拟工业条件,主要从La2O3,γ-Al2O3的制备方法对γ-Al2O3的热稳定性影响进行......
采用腐蚀失重法和极化曲线法，研究了稀土氧化物（La2O3)对刷镀镍磷合金镀层在10％HCl中耐蚀性的影响。结果表明，镀液中加入适量La2O3可明......
The effects of ceria and lanthana additives on activity and thermal stabilization of the catalysts for CO oxidation were......
采用等体积浸渍法制备了K2O和La2O3改性的Ni／SiO2催化剂，考察了K2O和La2O3助剂引入方式对Ni／SiO2催化剂催化间二硝基苯加氢制间苯二胺......
本文以平均粒度为4.0μm钼粉和平均粒度为50nm、0.5μm和2μm3种氧化镧粉为原料,采用固-固掺杂法制备了氧化镧含量为1%的3种不同钼......
以La2O3为载体，采用浸渍法制备了10％Ni／La2O3催化剂，考察了该催化剂的CO2甲烷化反应件能．结果表明，在较低的温度（350℃）和高窄速（约30000h^-......
在Pd/CeO2/γ-Al2O3中进一步添加La2O3,并考察了其催化甲醇分解性能. 结果表明: La2O3的加入抑制了副产物二甲醚的生成;随着La2O3......
选用稀土La2O3催化剂对CO进行了催化还原脱硫反应．考察了在脉冲放电等离子体协同催化作用下，催化剂组成随反应温度和放电电压的变化......
