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Integrating IS and HCI Using Activity Theory as a Philosophical and Theoretical Basis
IS HCI Activity Theory Philosophical and Theoretical Basis
2009/12/8
The fields of Information Systems (IS) and Human Computer Interaction (HCI) are both multidisciplinary in nature and each is searching for an identity as a legitimate discipline in its own right, with...
Electrocatalytic Activity of Ti/TiO2 Electrodes in H2SO4 Solution
voltammetric charge active surface TiO2 electrode
2009/11/16
Ti/TiO2 electrodes were prepared with the polymeric precursor method (PPM). The structure and morphology of Ti/TiO2 electrodes were examined with XRD and ESEM. The voltammetric charge (q*) of Ti/TiO2 ...
Recycling and Activity Recovery of Chloroaluminate Ionic Liquid as Catalyst for Alkylation of Benzene with 1-Dodecene
benzene 1-dodecene ionic liquid
2009/11/13
Performances of 1-butyl-3-methylimidazolium aluminium chloride ([BMIM]Cl-AlCl3) ionic liquid as catalyst for the alkylation of benzene with long chain olefins were investigated in a continuous operati...
Physical Activity and Use of Suburban Train Stations:An Exploratory Analysis
Physical Activity Suburban Train Stations Exploratory Analysis
2009/10/19
Physical inactivity contributes to a growing proportion of illness and premature
death in the United States. Only about 45 percent of Americans meet the recommended
national standard for physical ac...
Production of Microbial Rennin in a Continuous System Fermenter and Modelling of the Activity
Rennin Milk Clotting Cheese Mucor miehei Biofilm
2009/10/14
In this work microbial production of rennin, a milk clotting enzyme, from a commericial strain of Mucor miehei (NRRL 3420, USDA) has been investigated in a continuous fermenter. The spherical biofilm ...
HIGH ACTIVITY CARBON SORBENTS FOR MERCURY CAPTURE
activated carbons KOH activation surface area
2009/10/13
High efficiency activated carbons have been prepared for removing mercury from gas streams. Starting materials used were petroleum coke, lignite, charcoal and olive seed waste, and were chemically act...
ENERGY EFFCIENCY IN SERBIA - RESEARCH AND DEVELOPMENT ACTIVITY
efficiency renewable energy sources energy policy
2009/10/13
Energy system in Serbia, from exploitation of primary energy sources, transformations in electric power plants and district heating plants, energy (electric and heat) transmission and distribution to ...
Activity Patterns and Pollution Exposure A Case Study of Melbourne
Activity Patterns Pollution Exposure Melbourne
2009/9/28
In recent times there has been increasing interest in modelling policies to limit impacts of air pollution due to motor vehicles. Impacts of air pollution on human health and comfort depend on the rel...
酶解法提高松针黄酮抗氧化性能试验（Experiment on Enzymatic Hydrolysis to Improve in Vitro Anti-oxidative Activity of Pine Needle Flavonoids）
松针黄酮 抗氧化性能 酶法修饰
2009/8/11
研究了松针总黄酮(PNF）的抗氧化性能和酶法修饰提高PNF抗氧化性能的条件。结果发现，PNF的体外抗氧化性能很强，DPPH自由基清除效果与抗坏血酸相似，羟基自由基、超氧阴离子清除率分别约为抗坏血酸清除率的4倍、2倍，Fe3+还原能力的EC50约为抗坏血酸EC50的1/2.8。用β-葡萄糖苷酶对PNF进行酶解修饰，其最优工艺参数为：酶解温度40℃，酶添加量1/1000，底物质量浓度0.6g/L，酶解...
Effect of Yb Loading on Aromatic Hydrogenation Activity of Pd-Pt/USY Zeolite Catalysts
Palladium platinum catalyst USY zeolite Ytterbium modification
2009/8/4
A series of bimetallic palladium-platinum (molar ratio Pd : Pt=4 : 1) catalysts supported on ytterbium (Yb)-modified ultrastable Y (USY) zeolite, Pd-Pt/Yb-USY, were prepared and characterized to inve...
Catalytic Hydrogenation of 2-Butyne-1,4-diol: Activity, Selectivity and Kinetics Studies
Selective hydrogenation 2-Butyne-1,4-diol 2-Butene-1,4-diol
2009/8/4
The reaction pathway for hydrogenation of 2-butyne-1,4-diol involves parallel and consecutive isomerization as well as hydrogenation reactions forming other side products along with cis-2-butene-1,4-...
Additive Effect of Mn on Catalytic Activity of Ru/Al2O3 for Fischer-Tropsch Synthesis
Manganese addition Ruthenium catalyst Fischer-Tropsch synthesis
2009/8/4
Ru/Al2O3 catalyst was investigated by using Mn addition for Fischer-Tropsch synthesis under pressurized conditions. On the basis of catalyst activity, selectivity and deactivation, small amount of Mn...
Effects of Ru Precursors on Activity of Ru-SiO2 Catalysts Prepared by Alkoxide Method in Fischer-Tropsch Synthesis
Alkoxide method Fisher-Tropsch reaction Ruthenium precursor
2009/8/4
Ru-SiO2 catalysts with uniform structure were prepared by the alkoxide method using various Ru precursors, and used to catalyze the Fischer-Tropsch (F-T) synthesis in the slurry phase under the react...
Role of promoting oxide morphology dictating the activity of Au/SiO2 catalyst in CO oxidation
Structure of gold/oxide interface its effect on CO oxidation
2009/7/28
The interfacial interaction of gold nanoparticles
deposited on either model SiO2/Si(100) or high
surface area amorphous or mesoporous silica with
minute amounts of promoter oxide like “active”
FeO...
Control of Macropore Structure of Hydrocracking Catalyst by Silica-alumina Particle Size and Influence on Hydrocracking Activity and Middle Distillate Selectivity
Hydrocracking Diffusivity Macropore structure Particle size Middle distillate selectivity
2009/7/28
Hydrocracking (HC) catalysts consisting mainly of silica-alumina and a small amount of ultra stable Y type (USY) zeolite were prepared with silica-alumina powders of different mean particle sizes, an...