نتایج جستجو برای: term storage in cold conditions
تعداد نتایج: 17185843 فیلتر نتایج به سال:
in the area of vocabulary teaching and learning although much research has been done, only some of it has led to effective techniques of vocabulary teaching and many language learners still have problem learning vocabulary. the urge behind this study was to investigate three methods of teaching words. the first one was teaching words in context based on a traditional method of teaching that is,...
Subjective musculoskeletal symptoms are more frequently complained about in cold store work and in related conditions than those experienced in normal temperature work. This cross sectional study was undertaken to evaluate the effects of indoor cooling and cold storage goods on the prevalence of subjective symptoms in summer. Female workers sorting cold storage goods (exposed group) were the ma...
The nuclear enzyme poly(ADP-ribose) polymerase (PARP) has been implicated in ischemia-reperfusion injury in many tissues under normothermic conditions. The purpose of this study was to determine whether PARP contributes to mechanisms of the hypothermic ischemia-reperfusion injury that occurs when kidneys are cold stored for transplantation. Cortical tissue slice PARP enzyme activity rose signif...
A fundamental question in life-history evolution is how organisms cope with fluctuating environments, including variation between stressful and benign conditions. For short-lived organisms, environments commonly vary between generations. Using a novel experimental design, we exposed wild-derived Drosophila melanogaster to three different selection regimes: one where generations alternated betwe...
the images of muslims in media, literature and politics have been mostly black and white portrayals of a people alien to modernity, civilization, rationality and pluralism. since the end of the cold war and the onset of deadly terrorist attacks in different areas of the world, especially in the united states, these representations show a palpable difference: muslims are represented not only as ...
Harvested fruits are still living organs and respond to environmental stimuli. Low temperature storage is effective in extending life of harvested fruit, but it may also cause chilling injury. Cold acclimation has been shown to induce chilling tolerance in plants, but what proteomic changes caused by cold acclimation are related to defense against chilling stress remains largely unclear. Here, ...
Background: Bulbs of the ornamental flower Lilium pumilum enter a period of dormancy after flowering in spring, and require exposure to cold for a period of time in order to release dormancy. Previous studies focused mainly on anatomical, physiological and biochemical changes during dormancy release. There are no dormancy studies of the northern cold-hardy wild species of Lilium at the molecula...
Optimal storage conditions to retain ribulose 1, 5-bisphosphate carboxylase/oxygenase (Rubisco) activity were investigated. The soluble spinach (Spinacia oleracea) enzyme was pretreated with its activators, Mg(2+) and HCO(3) (-), and then stored for up to 30 days at 4 or -18 degrees C or in liquid N(2). Cold inactivation and conformational changes were suggested to be involved during Rubisco st...
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