نتایج جستجو برای: trace element
تعداد نتایج: 263901 فیلتر نتایج به سال:
Abstract Chemical heterogeneities along grain boundaries in garnet occur across a wide range of metamorphic conditions, yet the processes underlying their development remain poorly understood. Here we integrate electron backscattered diffraction (EBSD) and atom probe tomography (APT) to evaluate mechanisms driving nanoscale trace element mobility deformation microstructures granulite-facies gar...
Elements which are detected in small but not precisely known amounts in the living body were called “trace elements” in the past. Recent advances in analytical technologies, such as the development of atomic absorption spectrometry, have made it possible to measure these elements precisely and to determine their functions and the characteristics of their deficiency and excess states. The so-cal...
BACKGROUND Hemodialysis patients are at risk for deficiency of essential trace elements and excess of toxic trace elements, both of which can affect health. We conducted a systematic review to summarize existing literature on trace element status in hemodialysis patients. METHODS All studies which reported relevant data for chronic hemodialysis patients and a healthy control population were e...
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