| 序号 | 主题聚类标签及含义 | 聚类大小 | 主题词及权重（TOP15） | | 1 | 多能集成供能 | 能源集成、需求响应、风能、天然气、太阳能、多目标优化 | 4202 | hybrid energy (0.03226), integrated energy (0.01839), demand response (0.00711), wind power (0.00571), combined heat (0.0053), natural gas (0.00434), multi-objective optimization (0.00314), district heating (0.00294), power management (0.00245), solar energy (0.00238), wind turbine (0.00229), homer hybrid (0.00226), DC-DC converter (0.00221), energy hubs (0.00186), unit commitment (0.00184) | | 2 | 地热利用 | 地源热泵、有机郎肯循环、工质、热交换、电厂、区域供暖 | 2863 | heat pump (0.04128), ground source (0.02437), geothermal energy (0.02187), organic rankine-cycle (0.00653), pump gshp (0.0049), geothermal power (0.00437), working fluid (0.00363), borehole heat (0.00339), ground-water heat (0.00286), response tests (0.00258), power plants (0.00273), thermal performance (0.00254), heat exchanger (0.00268), district heating (0.00237) | | 3 | 生物质转化 | 生物质、生物炭、生物柴油、生物燃料、快速热解 | 2566 | bio mass (0.02117), mass bioenergy (0.00691), mass carbon (0.0047), bioenergy carbon (0.00248), mass biochar (0.00159), supply chain (0.00158), bio gas (0.0015), mass CO2 (0.00144), bioenergy biofuels (0.00132), mass biodiesel (0.00128), biofuel production (0.00127), BECCS (0.001), forest management (0.00097), fast pyrolysis (0.00096) sustainable energy (0.00091) | | 4 | 混合储能系统 | 电池超级电容混合储能系统、热能风能 | 1326 | energy storage (0.04401), thermal energy (0.00889), storage hybrid (0.00537), battery energy (0.00433), air energy (0.004), compressed air (0.00384), storage HESS (0.00271), wind power (0.00261), phase materials (0.002), storage hydrogen (0.00186), electrical energy (0.00177), control strategy (0.00176), solar power (0.00175), storage management (0.00157), battery-supercapacitor hybrid (0.00144) | | 5 | 制氢和二氧化碳还原 | 产氢、太阳能、蒸汽重整、电解水、核能 | 3390 | hydrogen production (0.0195), fuel cell (0.00371), solar energy (0.00332), aqueous phase (0.00238), steam reforming (0.00218), solar hydrogen (0.00205), solid oxide (0.00185), water electrolysis (0.00184), production methane (0.00164), green hydrogen (0.00146), glycerol hydrogen (0.00143), partial oxidation (0.0014), oxygenated hydrocarbons (0.00135), evolution reaction (0.0013), nuclear hydrogen (0.00124) | | 6 | 新能源汽车 | 电车、燃料电池、插电混动 | 1250 | electric vehicle (0.03788), hybrid electric (0.00818), vehicle hybrid (0.00509), battery electric (0.00504), fuel cell (0.00404), plugin hybrid (0.00344), vehicle electricity (0.00312), CO2 electric (0.00289), fuel consumption (0.00212), green-house gas (0.00208), plugin electric (0.00196), vehicle fuel (0.00166), vehicle environmental (0.00165), vehicle charging (0.00158), demand electric (0.00157) | | 7 | 碳捕集 | 燃煤电厂、烟道气、直接空气、碳捕集碳存储 | 3137 | CO2 capture (0.02487), capture storage (0.01769), storage CCS (0.00965), power plants (0.00649), flue gas (0.00494), post-combustion CO2 (0.00479), capture utilization (0.00424), coal-fired power (0.00342), air capture (0.00317), direct air (0.00277), natural gas (0.00204), swing adsorption (0.002), combined cycle (0.002), power generation (0.00172), storage transport (0.00156) | | 8 | 碳封存 | 碳封存、有机碳、土壤碳、生物碳 | 2834 | carbon sequestration (0.00972), organic carbon (0.00955), soil organic (0.00864), green-house gas (0.00699), soil carbon (0.0057), sequestration soil (0.00472), carbon stocks (0.00255), soil respiration (0.00217), sequestration CO2 (0.0018), global warming (0.00176), agricultural soils (0.00176), organic matter (0.00164), carbon storage (0.00164), biochar carbon (0.00156) | | 9 | 环境经济 | 库兹涅茨曲线、能源消耗、经济增长、国际直接投资 | 1961 | kuznets curve (0.01683), energy consumption (0.01282), economic growth (0.01064), nonrenewable energy (0.00795), electricity consumption (0.00714), CO2 co-integration (0.00625), foreign direct-investment (0.00598), trade openness (0.00513), energy-consumption environmental (0.00411), ecological footprint (0.00386) | | 10 | 生命周期分析 | 生命周期分析、环境影响、碳足迹、全球变暖 | 1474 | life cycle assessment (0.02518), environmental impacts (0.00609), carbon footprint (0.0044), cycle costs (0.00254), environmental assessment (0.00211), global warming (0.00193), green-house-gas life cycle (0.00175), embodied energy (0.00162), assessment management (0.00139), energy environmental (0.00135) | | 11 | 零碳建筑 | 零碳能源建筑、能源效率、住宅办公建筑、净零能源 | 1275 | zero-energy building (0.02507), energy efficiency (0.0082), residential building (0.00552), net-zero energy (0.00437), solar energy (0.00303), thermal comfort (0.00249), energy performance (0.00234), building nzeb (0.00212), office building (0.00196), optimization performance (0.00174) | | 12 | 能源管理 | 能源管理、管理策略、预测模型、需求响应 | 702 | energy management (0.04372), management strategy (0.01242), model predictive (0.0077), management hybrid (0.00576), demand response (0.00378), demand-side management (0.00366), optimal energy (0.00339), control strategy (0.00255), smart grids (0.00248), hybrid power (0.00231) |
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