نتایج جستجو برای: freezing injury
تعداد نتایج: 334548 فیلتر نتایج به سال:
Cooling of amputated parts during transportation delays the onset of ischaemic tissue damage and contributes to successful replantation. The most common error in preservation of amputated parts is exposing them to temperatures, which may cause cold injury, and thus render them unusable. Two case reports will be presented, which illustrate how freezing cold injury (FCI) of amputated digits may d...
Seasonal changes in freezing stress resistance of needles of red pine (Pinus resinosa Ait.) and Austrian pine (Pinus nigra Arnold) trees were measured by an electrolyte leakage method and by visual observation. During most of the year, freezing stress resistance determined by the two methods gave similar results. The electrolyte leakage method provided a good estimate of seasonal changes in fre...
Nuclear magnetic resonance (NMR) relaxation times were studied in acclimated and nonacclimated Kharkov winter wheat (Triticum aestivum L.) crowns and acclimated cell aggregates to determine if membrane permeability was altered by freezing. The NMR water signal decay consisted of two exponential components: a short one arising from extracellular water, and a long one arising from intracellular w...
The relative effect of a freeze-thaw cycle on photosynthesis, respiration, and ion leakage of potato leaf tissue was examined in two potato species, Solanum acaule Bitt. and Solanum commersonii Dun. Photosynthesis was found to be much more sensitive to freezing stress than was respiration, and demonstrated more than a 60% inhibition before any impairment of respiratory function was observed. Ph...
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