نتایج جستجو برای: encrustation
تعداد نتایج: 233 فیلتر نتایج به سال:
Discrete foci of white matter necrosis were observed in the telencephalic white matter in 6 cases of spontaneous ovine abortion. All fetuses were in the third trimester of gestation and 2 of the 6 were term fetuses. The lesions were distributed randomly throughout the cerebrocortical white matter and consist of pale hypocellular plaques with a variable glial cell response and encrustation of ne...
Many physical and chemical processes control the extent of Fe(III) oxyhydroxide reduction by dissimilatory Fe(III)-reducing bacteria. The surface precipitation of secondary Fe minerals on Fe(III) oxyhydroxides limits the extent of microbial Fe(III) reduction, but this phenomenon has not yet been observed in nature. This paper reports the observation of secondary Fe-mineral (goethite) encrustati...
The urinary tract is a conduit, storage and modification system for urine excreted by ultrafiltration from the kidney’s parenchyma. It is a dynamic and flexible system, able to handle widely differing flows of fluid through it with comparative ease. The urine is conveyed from the kidney to the bladder via a long thin tube called the ureter. Urine produced is supersaturated, but in normal indivi...
Mammal remains preserved in the permafrost zone often bear traces of postmortem transformations, reflecting aspects palaeoenvironment and processes that took place during accumulation host sediments. Multidisciplinary studies including radiocarbon dating, infrared spectroscopy, microfossil analyses grain size infilling sediments from allow recognition their stratigraphical palaeogeographical or...
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