Results 261 to 270 of about 111,520 (297)
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Life table analysis of leaf fall in Tasmanian cool temperate forests
Australian Journal of Ecology, 1984AbstractThe annual leaf fall of three species of cool temperate forest trees was examined for two different consecutive seasons at two localities in Tasmania. The reverse summation of the sequential fall of leaves throughout an annual cycle provided a population biomass that was amenable to life table analyses.Rates of leaf fall were compared between ...
J. L. MADDEN, C. R. A. TURNBULL
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Optimal pinnate leaf-like network/matrix structure for enhanced conductive cooling
Energy Conversion and Management, 2015Heat generated in electronic devices has to be effectively removed because excessive temperature strongly impairs their performance and reliability. Embedding a high thermal conductivity network into an electronic device is an effective method to conduct the generated heat to the outside.
Liguo Hu +4 more
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Tradeoffs between leaf cooling and hydraulic safety in a dominant arid land riparian tree species
Plant, Cell & Environment, 2022AbstractLeaf carbon gain optimization in hot environments requires balancing leaf thermoregulation with avoiding excessive water loss via transpiration and hydraulic failure. The tradeoffs between leaf thermoregulation and transpirational water loss can determine the ecological consequences of heat waves that are increasing in frequency and intensity ...
Davis E. Blasini +7 more
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Utilizing fan cooling to reduce leaf temperatures in Ginseng cultivation
Journal of Applied HorticultureDue to climate change, there have been more frequent heat waves and a notable rise in global temperature. This change hinders ginseng’s cultivation, a crop that grows well in cooler and shaded environments. This study evaluated the effectiveness of air-circulation fans in alleviating heat stress and lowering the leaf temperatures when cultivating ...
Byungsoon Kim +2 more
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Optimal palmate leaf-like conductive network for cooling a heat-generating volume
Journal of Applied Physics, 2018With the development of high-density integration and the miniaturization of electronic devices, extracting the heat generated in electronic devices has become a major issue. Conductive cooling is an effective method to extract the heat generated by electronic devices.
Liguo Hu, Dantong Wang, Tongxiang Fan
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NUTRIENT SOLUTION COOLING AND ITS EFFECT ON TEMPERATURE OF LEAF LETTUCE IN HYDROPONIC SYSTEM
Acta Horticulturae, 1996The heat transfer characteristics of a hydroponic system were experimentally verified after theoretical establishment and the effect of nutrient solution cooling on the plant temperature was investigated. About 96 percent of the total heat flow transferred from culture bed to nutrient solution was the conductive heat through planting board and ...
S W, Nam, M K, Kim, J E, Son
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2023
Stella, R, and Python code to replicate findings from Eyster, H. N. & Beckage, B. (2023). "Arboreal Urban Cooling Is Driven by Leaf Area Index, Leaf Boundary Layer Resistance, and Dry Leaf Mass per Leaf Area: Evidence from a System Dynamics Model" published in ...
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Stella, R, and Python code to replicate findings from Eyster, H. N. & Beckage, B. (2023). "Arboreal Urban Cooling Is Driven by Leaf Area Index, Leaf Boundary Layer Resistance, and Dry Leaf Mass per Leaf Area: Evidence from a System Dynamics Model" published in ...
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A leaf-like structured membrane for highly efficient and persistent radiative cooling
Materials HorizonsA leaf-inspired double-layer membrane was designed, exhibiting 99.3% solar reflectivity and ∼95% mid-infrared emissivity. It remained stable under 7000 MJ m−2 ultraviolet radiation, presenting a new strategy for passive radiative cooling.
Minghan Wu +5 more
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Experimental study on effect of vacuum pre-cooling for post-harvest leaf lettuce
Research on Crops, 2014According to the physical properties of leaf lettuce and its heat and mass transfer mechanism in vacuum pre-cooling process, the pre-cooling temperature, pressure and volume of spray-applied water were verified throughout the experiment. The key factors affecting the water removal and storage quality of leaf lettuce during vacuum pre-cooling were the ...
Enhai Liu, Xiaobo Hu, Shengyong Liu
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Cool Night Temperatures Alter Leaf Starch and Photosystem II Chlorophyll Fluorescence in Cotton
Agronomy Journal, 1993AbstractCotton (Gossypium hirsutum L.) growth and reproduction are sensitive to cool temperatures, but few studies are available on specific metabolic responses to low temperature stress. We studied the relationship between starch levels and Photosystem II (PSII) function in cotton plants grown in growth chambers to determine if low temperature stress ...
Donn A. Warner, John J. Burke
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