crumble
发表于 2025-3-26 21:25:07
https://doi.org/10.1007/978-1-4757-9539-4e a coupling interaction at night-time resulted in strengthened nocturnal UHI in Accra. However, there were discrepancies in the interaction and the strength of the relationship at different sites. In summary, the synergy between UHI and UPI varies with location and may depend on the time of day, pr
羽毛长成
发表于 2025-3-27 01:08:00
M. Aguilar,R. J. Niehaus,F. S. Sharkeygative for relative humidity and wind speed. This suggests that increasing temperature enhances the concentrations of PM. while higher relative humidity weakens the concentrations. The relationship between PM. and wind speed also indicated that calm winds enhance the concentrations while fast winds
Esophagus
发表于 2025-3-27 09:11:26
g, communications, signal processing, and data transmission. In fact, many photonic devices such as LEDs, laser diodes, and photodetectors fabricated from silicon and III–V compound semiconductors have been widely used in optical communications, data transmission, and signal processing systems.
颠簸下上
发表于 2025-3-27 10:14:18
Assessment of Carbon Dioxide Emission Factors from Electricity Generation in Burkina Fasonto electricity by generating electron–hole pairs in a solar cell via internal PV effect, (ii) photodetectors, which detect photons or optical signals and convert them into electrical signals via internal photoelectric effects, and (iii) LEDs and LDs, which convert electrical energy into incoherent
AWL
发表于 2025-3-27 16:50:27
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MEN
发表于 2025-3-27 19:21:54
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繁忙
发表于 2025-3-28 01:00:31
Impact of Urban Emissions on Regional Air Quality in Fez City Area, Morocco explanations at this stage, the statement is made that semiconductors have an . while semimetals and metals have no such gap. However, very impure semiconductors show a more or less metallic behavior and with many substances, the art of purification by, e.g., zone refining is not so far ad
玩笑
发表于 2025-3-28 03:37:50
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精密
发表于 2025-3-28 06:45:14
y can be controlled over a wide temperature range by impurities and that there are two types of impurities, donors which release electrons causing n-type conductivity and acceptors which provide positive carriers, the holes, leading to p-type conductivity. This allows the fabrication of pn-junctions
chalice
发表于 2025-3-28 13:26:59
Real-Time Hospital Air Quality Monitoring Based on a Low-Cost Smart Electronic Device and Health Risrange impact on the tech nology. The impact of solid-state devices capable of handling appreciable power levels has yet to be fully realized. Since it first became available in late 1957, the SCR or silicon-controlled rec tifier (also called the reverse blocking triode thyristor) has become the mo