نتایج جستجو برای: wet chemical
تعداد نتایج: 409378 فیلتر نتایج به سال:
PURPOSE Phosphorus (31 P) metabolites are emerging liver disease biomarkers. Of particular interest are phosphomonoester and phosphodiester (PDE) "peaks" that comprise multiple overlapping resonances in 31 P spectra. This study investigates the effect of improved spectral resolution at 7 Tesla (T) on quantifying hepatic metabolites in cirrhosis. METHODS Five volunteers were scanned to determi...
A polymer gel is a soft and wet material capable of undergoing large deformation. A deformed gel, in turn, changes its chemical potential, behaving as an energy transducer. Thus, a polymer gel shows a variety of stimuli-responsive actions, responding to external environmental changes. In this article unique electrical, thermal, and chemical responses of polymer gels are described. Recently obse...
The vast majority of dry cleaners worldwide use the toxic chemical perchloroethylene (PCE), which is associated with a number of adverse health and environmental impacts. Professional wet cleaning was developed as a nontoxic alternative to PCE dry cleaning but has not been widely adopted as substitute technology. In the greater Los Angeles, CA, region, a demonstration project was set up to show...
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