保守党
发表于 2025-3-26 23:12:04
Thermosyphon Solar Energy Water Heaters,discussed. Results are reported of studies comparing thermosyphon unit performances with those of other solar-energy water-heaters. Comparative evaluations are also reported for the behaviours of direct and indirect thermosyphon systems. Current approaches to standard test procedures for rating whole systems are described.
Adj异类的
发表于 2025-3-27 01:49:40
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Inflamed
发表于 2025-3-27 07:21:40
Thermosyphon Solar Energy Water Heaters,ory of their use and the factors which have influenced their popularity are discussed. An overview of the present commercial situation is provided and the advanced product engineering of recent designs highlighted. Mathematical models which describe the thermal behaviours and the experimentally-obse
机制
发表于 2025-3-27 12:40:39
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忍耐
发表于 2025-3-27 15:36:17
Physics of Solar Selective Surfaces,ch directed towards the technical development of materials that were strongly absorbing at short wavelengths (visible light) while being highly reflective at longer wavelengths (infrared radiation) extends back at least fifty years. But it is generally agreed that the modern development of selective
reaching
发表于 2025-3-27 21:29:07
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ATRIA
发表于 2025-3-27 23:28:09
The Solar Ultraviolet,eing done in the field of biology, but this is mainly from the point of view of ozone variations or damaging effects to living systems. The biological studies will not be covered in this article except as needed to present data on the ultraviolet radiation. The actual measurements are being made by
民间传说
发表于 2025-3-28 05:46:58
New Technologies in the Production of Woody Crops for Energy in the United States,t of tree crops for energy use. The cost of short-rotation intensive culture (SRIC) wood for fuel is currently estimated to be $2.79 to $4.06 per GJ (inclusive of profit and taxes) in 1983 dollars, which is competitive with the cost of natural gas and perhaps eventually with coal outside coal-produc
nonplus
发表于 2025-3-28 09:25:59
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ostensible
发表于 2025-3-28 13:25:46
Some Computations of Ohtsuki Series,ny respects ‘the most representative of Hardy’s whole career’. The period of remorse and emotional stress seems to be at a distance, and a lighter kind of lyric comes to the fore, not always designated as ‘song’ but written as if for music,. and relatively detached, even when based on recollections of Emma Hardy.