نتایج جستجو برای: gravimetric method
تعداد نتایج: 1632378 فیلتر نتایج به سال:
A novel method for in vitro calibration of skin hydration measurements is presented. The method combines gravimetric and electrical measurements and reveals an exponential dependency of measured electrical susceptance to absolute water content in the epidermal stratum corneum. The results also show that absorption of water into the stratum corneum exhibits three different phases with significan...
The study was undertaken to evaluate a new method of estimating plasma fibrinogen levels, gravimetrically using calcium chloride in albino rats. The results were compared with the standard method in which thrombin was used as clotting agent and were found to be statistically not significant. Advantages of using calcium chloride instead of thrombin have been discussed.
BACKGROUND Portable direct-reading instruments by light-scattering method are increasingly used in airborne fine particulate matter (PM2.5) monitoring. However, there are limited calibration studies on such instruments by applying the gravimetric method as reference method in field tests. METHODS An 8-month sampling was performed and 96 pairs of PM2.5 data by both the gravimetric method and t...
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