Technical advances in these fields require the development of ordered porous materials with controllable structures, systematic tailoring pore architecture and the synthesis of mesoporous materials using a more economical silica source.
Gathering water closer to the source is more economical and sustainable, that's why rainwater catchment is a no-brainer.
To produce isobutanol cost effectively on an industrial scale, more economical carbon, nitrogen, and mineral sources should be tested to replace glucose.
In the 1930s small rods of brass or bronze were introduced as a tone source and proved more economical than tubes.
However, these processes have possible alternatives, materials and energy sources that are more economical and environmental friendly to support the building's indoor thermal environment.
The problem is primarily economic although sunlight is free, the high cost of manufacturing traditional silicon-based solar cells has limited their penetration into markets where coal, nuclear, and other nonrenewable sources currently provide more economical energy.
He pours some cold water on the solar roads concept, arguing that a kinetic product will prove more economical and reliable as an energy-generating source in areas where there is high traffic flow than using solar.
That would mean producing much more shale gas, as conventional gas resources are running down in their easily accessible locations, and the relatively high resulting prices are making it more economical for companies to seek out unconventional sources such as gas trapped in dense rocks or other geological formations, known as "tight gas".
For low-CO2 hydrogen production, methane pyrolysis is significantly more economical than electrochemical-based processes using commercial renewable power sources.
It might be more economical to use no-cost imaging for crop classification using open-source software.
