科学素养与现象阐释·英语30篇(9)
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How Urban Heat Island Intensity Correlates with Building Material Thermal Inertia Rather Than Just Albedo
城市热岛强度为何更取决于建材热惯性而非单纯反照率
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While high-albedo surfaces reduce daytime peak temperatures, they often exacerbate nocturnal heat retention due to low thermal mass.高反照率表面虽可降低白天峰值温度,却常因热容低而加剧夜间热量滞留。
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Concrete and brick store substantial sensible heat during daylight and release it slowly after sunset—prolonging urban heat stress beyond daylight hours.混凝土与砖块在白天储存大量显热,并于日落后缓慢释放,延长城市热应激时间。
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Thermal inertia, quantified as the square root of conductivity × density × specific heat, determines the phase lag and amplitude damping of temperature waves.热惯性(定义为导热系数×密度×比热容的平方根)决定温度波动的相位滞后与振幅衰减。
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Cities built predominantly with lightweight steel-and-glass façades exhibit sharper diurnal cycles but lower cumulative heat exposure than those with massive masonry.以轻质钢-玻璃幕墙为主的都市昼夜温差更剧烈,但累积热暴露低于厚重砌体建筑密集区。
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Remote sensing studies across 42 megacities confirm that nighttime UHI intensity correlates more strongly with building envelope heat capacity than with surface reflectance.对42个超大城市遥感研究表明,夜间城市热岛强度与建筑围护结构热容的相关性远高于地表反射率。
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Building energy simulations show that increasing thermal mass reduces HVAC load variability—critical for grid stability during heatwaves.建筑能耗模拟显示,增加热质量可降低暖通空调负荷波动——这对热浪期间电网稳定至关重要。
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Urban planners in Tokyo and Seoul now mandate minimum thermal mass ratios for new mid-rise construction in dense districts.东京与首尔的城市规划部门现已强制要求高密度城区新建中层建筑达到最低热质量比例。
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Retrofitting historic districts poses challenges: adding insulation can trap moisture, while cladding alters heritage aesthetics and ventilation patterns.历史街区改造面临挑战:加装保温层易致湿气积聚,外挂饰面则改变遗产风貌与通风模式。
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Life-cycle analysis reveals that high-inertia materials often offset embodied carbon through decades of operational energy savings.全生命周期分析表明,高惯性材料通过数十年运行节能,常可抵消其隐含碳排放。
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Fire safety codes limit widespread adoption of phase-change materials in façades despite their superior thermal regulation potential.尽管相变材料在建筑立面具备卓越热调节潜力,防火规范仍限制其大规模应用。
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Cross-cultural preferences influence material choice: Mediterranean cities favor thick adobe walls, whereas Gulf states prioritize reflective coatings.跨文化偏好影响材料选择:地中海城市倾向厚实土坯墙,海湾国家则侧重高反射涂层。
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This insight reframes urban climate adaptation—not as a surface treatment issue, but as a systemic thermal architecture challenge.这一认知将城市气候适应重新定义为系统性热工建筑设计问题,而非单纯表面处理。