Lack of Seasonal Variations in Vitamin D Concentrations among Hospitalized Elderly Patients
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DOI: 10.3390/ijerph18041676
Abstract: Background. Generally, most vitamin D in the human body (90–95%) is produced in the skin during exposure to sunlight. The effectiveness of this process depends on several biological and physical factors, e.g., age or latitude.… read more here.
Keywords: among hospitalized; four seasons; lack seasonal; seasonal variations ... See more keywords
Vitreous Tesserae from the Four Seasons Mosaic of the S. Aloe Quarter in Vibo Valentia–Calabria, Italy: A Chemical Characterization
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DOI: 10.3390/min10080658
Abstract: This work reports the results of the archaeometrical investigation performed on twenty glass tesserae collected in 2018, during the restoration of the Four Seasons mosaic, which dates between the second and the third century AD,… read more here.
Keywords: four seasons; seasons mosaic; quarter vibo; glass ... See more keywords
Exploration of the atmospheric chemistry of nitrous acid in a coastal city of southeastern China: Results from measurements across four seasons
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DOI: 10.5194/acp-2020-880
Abstract: Abstract. Because nitrous acid (HONO) photolysis is a key source of hydroxyl (OH) radicals, identifying the atmospheric sources of HONO is essential to enhance the understanding of atmospheric chemistry processes and improve the accuracy of… read more here.
Keywords: four seasons; photolysis; hono; chemistry ... See more keywords