نتایج جستجو برای: cleaner
تعداد نتایج: 4568 فیلتر نتایج به سال:
The past decade has seen a reawakening of solid-state approaches to chemical synthesis, driven by the search for new, cleaner synthetic methodologies. Mechanochemistry, i.e., chemical transformations initiated or sustained by mechanical force, has been advancing particularly rapidly, from a laboratory curiosity to a widely applicable technique that not only enables a cleaner route to chemical t...
In the push to replace fossil fuels and their conversion into energy via the internal combustion engine with cleaner and more renewable energy sources for the transportation sector, hydrogen and the fuel cell have emerged as the best candidates for the future. Hydrogen is readily available in near limitless quantities and produces only water and heat as a byproduct when reacted with oxygen. Whi...
This paper provides initial plans for the development a new Low Carbon Vehicle Incentive Programme in the UK. It is being developed by the Energy Saving Trust and the UK Department of Transport (EST is the Government Agency that runs Government programmes to promote cleaner vehicles), This programme would provide Government grants to UK individuals and companies for the purchase of cleaner, low...
Air pollutants emitted by low-performing (i.e., high-polluting) cookstoves are estimated to cause 4 million premature deaths annually worldwide. High-performing cookstoves may mitigate health problems, but programs to disseminate these cleaner units have been plagued by incomplete adoption and often result in scenarios where both the old and new stoves are used simultaneously—so-called stove st...
Residential and commercial gaseous air cleaning technologies have not gained wide acceptance in the marketplace, in part due to the lack of performance data from field tests or simulation studies. This paper describes a field study of the performance of two gaseous air cleaners in a single room test house and simulations based on these tests with an indoor air quality model (CONTAMW). Air clean...
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