Transition metal oxides are considered as prototype models of reactions involving oxidative processes [1]. In this way, the detailed understanding of their electronic and molecular structure is of great interest in the prediction of their catalytic behavior and chemical reactivity toward inert organic molecules which are of industrial interest. In particular, it is possible to highlight the sel...

Advances in vehicle design and fuel quality mean cars can be made cleaner and more efficient. Lower emissions of carbon monoxide (CO), nitrogen oxides (NOx), sulphur dioxide (SO2), particles (including the fine dust and soot PM10) and hydrocarbons (HCs) also known as volatile organic compounds (VOCs) will lead to better urban air quality and less summertime smog. Lower emissions of carbon dioxi...

Anode materials with high specifi c capacity and rate capability are one of the key components of such batteries. Traditional carbon-based anode materials exhibit acceptable overall performance with respect to the energy/power requirements of existing portable electronic devices, but have a relatively low specifi c capacity, poor Li + insertion/extraction kinetics, and documented safety issues....

Exposures to cabin environmental contaminants were measured on 36 commercial transport aircraft. The objectives were to characterize levels of contaminants and evaluate the relationship between flight factors such as aircraft size, occupancy, ventilation, and flight length, and environmental parameters. Monitoring was conducted at two coach locations for the duration of the flight for VOCs, nit...

Future global climate projections are subject to large uncertainties. Major sources of this uncertainty are projections of anthropogenic emissions. We evaluate the uncertainty in future anthropogenic emissions using a computable general equilibrium model of the world economy. Results are simulated through 2100 for carbon dioxide (CO2), methane (CH4), nitrous oxide (N2O), hydrofluorocarbons (HFC...

The hydrogenation of carbon monoxide and carbon dioxide on various steel catalysts was studied in the temperature range of 800" to 1,300'F. and at pressures from 5 to 30 atm. The feed gases (3.75 to 20 SCFH) were passed over a catalyst bed of 1/8-h. steel balls supported in a brass-lined reactor 0.81 in. in d i m . The percentage of carbon oxides in the feed was 30% in the runs using a Hz-COZ f...

'Nanozymes', a term coined by Scrimin, Pasquato, and co-workers to describe nanomaterials with enzyme-like characteristics, represent an exciting and emerging research area in the field of artificial enzymes. Indubitably, the last decade has witnessed substantial advancements in the design of a variety of functional nanoscale materials, including metal oxides and carbon-based nanomaterials, whi...

Manipulation and control of matter at the nanoand atomic level are crucial for the success of nano-scale sensors and actuators. The ability to control and synthesize multilayer composite structures using carbon nanotubes that will enable to build electronic devices within a nanotube is still in its infancy. In this paper, we present results on selective electrochemical deposition of metals and ...

[1] Seinfeld JH. Air pollution: physical and chemical fundamentals. New York: McGraw Hill; 1975. p. 1–26. [2] Arthur CS. In: Measuring, monitoring, and surveillance of air pollution, vol. 3. New York: Academic Press; 1976. p. 183–305. [3] Tseng HH, Wey MY, Liang YS, Chen KH. Catalytic removal of SO2, NO and HCl from incineration flue gas over activated carbonsupported metal oxides. Carbon 2003;...

In contrast with the textbook view of remote chemistry where HNO3 formation is the primary sink of nitrogen oxides, recent theoretical analyses show that formation of RONO2 (6ANs) from isoprene and other terpene precursors is the primary net chemical loss of nitrogen oxides over the remote continents where the concentration of nitrogen oxides is low. This then increases the prominence of questi...