نتایج جستجو برای: especially environment temperature degree
تعداد نتایج: 1551473 فیلتر نتایج به سال:
Unfavorable storage conditions, especially relatively high environment humidity and high storage temperature greatly affect the quality of corn seeds. The effects of temperature, environment moisture and length of storage on six maize hybrids were examined. For the purpose of investigating germination traits, total soluble proteins, leakage electrolytes and the activity of antioxidant enzymes i...
We have recently shown that brain temperature can drop even though rectal and skull readings are maintained near 37 degrees C during global forebrain ischemia in the gerbil. In this study gerbils were subjected to 5 min of ischemia followed by 85 min of extended halothane anesthesia, while rectal and skull temperatures were kept at normal values. This extended anesthesia procedure prevented the...
The feasibility of co-producing activated carbon and bio-oil from rice stalk through molten salt pyrolysis is reported in this work. The results indicated that: (1) mixed ZnCl2-KCl molten salt could considerably improve the solid and liquid yield as well as the ratio of H2 and CH4 selectively (compared to the traditional ZnCl2 method), (2) an increase of pyrolysis temperature had the same impac...
gol-e-gohar iron ore mine of sirjan in southern part of iran is a large open pit that operates below the groundwater table and during mining operation, dewatering is required to prevent operation processes from flooding. current operation is going on by digging wells in or out of the pit and pumping to prevent flooding. as a result of the former dewatering operation a vast deep cone of depressi...
in the business environment, virtual organizations can meet market needs efficiently and effectively via knowledge worker and high flexibility and also generate significant competitive advantage. due to obtaining the advantage of these organizations, managerial issues related to them must be recognized and organized. decrease of face to face relationship, geographically distributed, dynamic job...
In the framework of the theory of open systems based on completely positive quantum dynamical semigroups, we give a description of the continuous-variable quantum correlations (quantum entanglement and quantum discord) for a system consisting of two noninteracting bosonic modes embedded in a thermal environment. We solve the Kossakowski-Lindblad master equation for the time evolution of the con...
Introduction High tunnel production is increasing in Iowa as they provide protection from wind and frost and help extend the growing season. Although production aspects inside high tunnels are similar to field production, high tunnel environment is challenging especially when it comes to temperature management. During summer, temperatures rise fairly quickly in high tunnels and can detrimentall...
BACKGROUND Iranian people celebrate the last Wednesday eve of the year as Chaharshanbe Suri and use explosives and firecrackers as part of this festival. OBJECTIVES This study concerned fireworks injuries related to the Chaharshanbe Suri festival in Tabriz, a provincial capital in East Azerbaijan, Iran, to evaluate the epidemiology and provide data to prevent and manage these accidents. PAT...
a semi-empirical mathematical model for predicting physical part of ignition delay period in the combustion of direct - injection diesel engines with swirl is developed . this model based on a single droplet evaporation model . the governing equations , namely , equations of droplet motion , heat and mass transfer were solved simultaneously using a rung-kutta step by step unmerical method . the...
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