Utilizes dispersed Xe lamp to excite fluorescence of solubilized or solid specimens. Two spectrometers (UV-VIS, and NIR) under computer control record fluorescence spectra. Excitation wavelength can ...

The twentieth century has been shaped by sweeping changes in communication technology. The latest development to radically transform the communication landscape has been the widespread adoption of ...

What is a radiant barrier? Radiant barriers are materials that are installed in buildings to reduce summer heat gain and winter heat loss, and hence to reduce building heating and cooling energy usage ...

Estimates Cooling and Heating Savings for Flat Roofs with Non-Black Surfaces ...

Methane hydrates, a promising natural gas resource, are believed to reside throughout the globe in sea-floor sediments and permafrost. Lorie Langley, who is leading ORNL’s Gas Hydrate program for the ...

Have heating and cooling effects been tested? At present, there is no standardized method for testing the effectiveness of radiant barriers in reducing heating and cooling bills. But numerous field ...

Estimates Energy and Peak Demand Savings for Flat Roofs with Non-Black Surfaces ...

The expectation value of a trial wavefunction with the Hamiltonian must therefore be greater than or equal to the true ground state energy. Variational calculations depend crucially on the form of ...

A thriving manufacturing sector is vital to the nation’s economic health and global security, yet few companies possess the research and development (R&D) capacity essential to staying competitive.

Based on our email, this is one of the most popular questions homeowners ask before buying insulation. The answer is that the 'best' type of insulation depends on: how much insulation is needed, the ...

If you are buying or building a new house, make sure that energy-saving features are included. The Federal Trade Commission (FTC) home insulation rule requires the seller of a new home to provide ...

Adding more insulation where you already have some, such as in an attic, will save energy. You can save even greater amounts of energy if you install insulation into ...