نتایج جستجو برای: materials
تعداد نتایج: 436256 فیلتر نتایج به سال:
A short history of interconnects in high and intermediate temperature solide oxide fuel cells form those based on ceramics to those made of metals.
Materials for solar fuels and chemicals Joseph H. Montoya, Linsey C. Seitz, Pongkarn Chakthranont, Aleksandra Vojvodic, Thomas F. Jaramillo and Jens K. Nørskov 70 Available and affordable energy has so far led to spectacular industrialization and development, but with growth accelerating in developing countries, demands on non-renewable energy sources are reaching their limits. Moreover, the re...
The literature on vibrational thermodynamics of materials is reviewed. The emphasis is on metals and alloys, especially on the progress over the last decade in understanding differences in the vibrational entropy of different alloy phases and phase transformations. Some results on carbides, nitrides, oxides, hydrides and lithium-storage materials are also covered. Principles of harmonic phonons...
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The samples below are donated by UCSF students, residents and alumni to offer you ideas to format and present your skills and experience. Note: Please do not copy the text verbatim. It is unethical and unwise, as several residency directors recognize our samples. Instead, for extra help, attend on one our monthly Application Materials Clinics or watch our Application Materials Online Workshops ...
With the progress in fabricating more energy efficient and sustainable devices, an increased need for advanced materials and processing techniques arises that becomes increasingly challenging and demands for new analysis techniques. In particular excellent spatial resolution together with high-sensitivity chemical information at the nanoscale are of utmost importance for future developments [1]...
Vibration free cooling of detectors to cryogenic temperatures is critical for many terrestrial, airborne, and space based instruments. Cooling of solids by anti Stokes fluorescence is an emerging refrigeration technology that is inherently vibration free and compact, and enables cooling of small loads to cryogenic temperatures. In this Highlight, advances in laser cooling of solids are discusse...
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