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For the past 40 years a technique called neutron spin echo (NSE) has been used to probe molecular motions in such non-crystalline materials over time scales from 10’s of picoseconds to 100’s of nanoseconds. The method has provided unique information about the dynamics of soft heterogeneous materials, including confirmation of the de Gennes model of polymer reptation and quantitative measuremen ...

A key application of the technological breakthrough associated with decreased cost of DNA sequencing is metagenomics. Metagenomics is the process of sequencing DNA from whole ecosystems, rather than individuals or cultures. This approach has the potential to allow the dissection of microbial ecosystems in biofuel producing agricultural land, toxic contaminated sites and hydrocarbon recovery enviro ...

76023-Among the contributors to atmospheric pollution, carboxylic acids (including mono- and dicarboxylic acids, aliphatic ketoacids, and aromatic acids) are an important class of oxygenated, organic compounds in atmospheric aerosols. To better understand their sources and atmospheric transformation processes, an automated method for measuring their concentration is required. This project will d ...

Density functional theory is used by many researchers funded by the Department of Energy as a method for predicting the behavior of chemicals and materials used in energy applications. However, results of these calculations are often not standardized and, even when they are, expert-level understand of the methods is needed in order to properly perform a simulation. The energy research community a ...

The exploration and production (E&P) of oil and natural gas is one of the most computationally demanding endeavors, generating terabytes of data. To optimize the management of a producing oil field or to find new reserves, the E&P data must be readily available to a multidisciplinary asset management team. The data must be easy to access, and it must be effectively managed by a team of geologist ...

The understanding of how fuel evaporates and mixes when injected into an engine cylinder is of key importance for the design of cleaner, more efficient vehicles. To meet the Department of Energy & apos;s goals of improving fuel efficiency in gasoline engines by 25 percent and diesel engines by 40 percent, advanced tools for research on fuel injection dynamics are needed. Existing techniques for in ...

Superconducting Radio Frequency (SRF) accelerating structures are now considered the device of choice for many of todays leading applications in high energy and nuclear physics, which include: energy recovery linacs (ERLs), linear colliders (ILC), neutrino factories, spallation neutron sources, and rare isotope accelerators. These projects place enormous demand for more reliable and economic meth ...

International demand for wood has grown steadily in the past few decades due to the growth in the world’s population and is expected to continue to grow rapidly as policies promoting greater use of renewable energy are adopted globally. Providing over 9% of the global primary energy supply, wood energy is as important as other renewable energy sources. Due to wood’s potential for large-scale c ...

70558 The control and dynamic operation of Fuel Cell/Turbine Hybrid power plants will require a synergy of operation between subsystems, increased reliability of operation, and reduction in maintenance and downtime. Futhermore, the control strategy of the power plant will play a significant role in system stability and in ensuring the protection of equipment to promote maximum life. T ...

Optical manufacturing technologies can only be as accurate, reliable, and efficient as the metrology techniques used to calibrate and guide the fabrication process and evaluate the results. The development of metrology capabilities has not kept pace with the need for increasingly high-resolution variable-line-spacing (VLS) x-ray gratings for high-intensity coherent x-ray light sources. Thus, innov ...