نتایج جستجو برای: quartz crystals
تعداد نتایج: 67066 فیلتر نتایج به سال:
A biosensor is a device for the detection of an analyte that combines a biological component with a physicochemical detector component. It consists of many parts such as the Sensitive Biological Element, the Probe and Electronics. Biosensor has many advantages such as minimum sample pretreatment, fast response time, simple and low-cost instrumentation and high sample output. Biosensor is benefi...
The utility of nondestructive laser Raman for testing the biogenicity of microfossil-like structures in ancient rocks is promising, yet results from deposits like the ∼3.46 Ga Apex chert remain contentious. The essence of the debate is that associated microstructures, which are not purported to be microfossils, also contain reduced carbon that displays Raman D- and G-band peaks similar to those...
We developed an impedance quartz crystal microbalance (QCM) approach with the ability to simultaneously record mass changes and calibrated energy dissipation with high sensitivity using an impedance analyzer. This impedance QCM measures frequency shifts and resistance changes of sensing quartz crystals very stable, accurately, and calibrated, thus yielding quantitative information on mass chang...
Resonant inelastic X-ray scattering (RIXS) experiments require special sets of near-backscattering spherical diced analyzers and high-resolution monochromators for every distinct absorption-edge energy and emission line. For the purpose of aiding the design and planning of efficient RIXS experiments, comprehensive lists of suitable analyzer reflections for silicon, germanium, α-quartz, sapphire...
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