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Проведен анализ условий, влияющих на энергосбережение в кабинах сельскохозяйственных машин.
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Tide distribution and tapping into tidal energy

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The aim of our study was determine torpor use in the Siberian hamsters (Phodopus sungorus) tested in a wide gradient of ambient temperatures (Ta). Experiments were done on fed and food-deprived animals acclimated to winter-like and summer-like conditions. We found that neither fed nor unfed hamsters acclimated to winter-like or summer-like conditions selected low Ta's and entered torpor. Instead, food deprivation led to selection of higher Ta's and slight lowering of body temperature (Tb), especially during the rest-phase of the day. Our calculations show that this strategy may lead to higher energy savings than torpor would. We argue that torpor use is not a fixed strategy but is determined primarily by a thermal conditions available in the environment.
The report on sustainability initiatives across key sectors in India is written to highlight the current status of existing initiatives and also the future scope of initiatives that would be taken across key sectors in India. The report will showcase macro level information. The general question in travelling in mind would be why sustainability is growing so much in prominence? Quite likely the substitute answer would be to combat the climate change and safeguard the environment. The reason for choosing to write the report on Sustainability would be to increase the prominence of the initiatives that would reach out to various sectors, and hence can benefit the overall Indian sectors as a whole. Since climate change is a global issue, India’s initiatives against climate change in the form of various mitigation and adaptation would count against this climate change as a whole.
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The paper deals with assessment of thermal fields and temperature changes in ground massif with horizontal heat exchanger used as a heat source for a heat pump. Temperatures in the zone of the horizontal ground exchanger are compared with temperatures in a reference land. Changes of heat potential of the soil during the heating period are also assessed. Possibilities of recovery of thermal potential of the ground massif when utilizing vertical and horizontal exchangers are analyzed in the opening part of the paper. The results of the first verification indicated that average temperatures in the horizontal planes of the ground massif did not differ considerably with distance from the exchanger tube. Differences in average temperatures in reference and experimental lands confirmed sufficient heat potential of the ground massif even at the peak of the heating period. The differences in average temperatures reached up to 6.51 K in the end of the heating period while at the beginning of the heating period, the differences in average temperatures dropped to 1.35 K. The differences between maximum and minimum temperatures in the zone of the ground exchanger reached up to 1.9 K at the peak of the heating period and rose to 3.9 K at the beginning and end of the heating period. The first results of our measurements indicate the necessity of accumulation of thermal energy in the soil massif in the summer period like in case of the vertical exchangers.
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