Results 81 to 90 of about 4,754 (162)
Recent progress of membrane-based CO_2 capture from biogas and flue gas [PDF]
Carbon capture technologies, including absorption, adsorption, and membrane separation, have emerged as one of the research hotspots, in the process of achieving carbon peaking and carbon neutrality goals.
DAI Zhongde* +8 more
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Jingshui jishu【目的】为厘清污水处理厂的碳排放来源、特征和排放强度，提出可行的污水处理厂碳中和实施路径，本文以4座典型污水处理厂(涵盖地上/地下式、不同污水、污泥处理工艺)为例，系统分析污水处理厂的碳中和路径。【方法】本文基于政府间气候变化专门委员会(IPCC)计算方法，选取适合我国国情的排放因子，根据进出水水质、处理负荷、电耗、药耗等数据，系统核算了各污水厂碳排放强度及其影响因素，评估了不同碳汇措施的碳汇及其碳中和潜力。【结果】4座污水厂的碳排放强度为0.510～1.086 kg CO 2 ...
ZHU Jie
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Haiyang yu huzhao探究海洋沉积物中有机碳的来源、埋藏通量及其稳定机制对于理解全球碳循环具有重要的意义。河口连结陆地和海洋两大碳库，是全球碳循环的关键地带。前人研究发现活性铁(FeR)在沉积有机碳的保存中扮演着重要角色。尽管长江口及其邻近东海区域的碳循环已经被广泛研究，但关于FeR在地质时间尺度上如何影响沉积有机碳的埋藏过程尚不清楚。文章对长江口横沙岛采集的一根40 m长的沉积柱样(HSD22)进行了分析，探讨了在全新世长江口沉积环境发生明显变化的三个阶段(潮滩相、河口湾-浅海相、三角洲相)期间总有机碳(TOC ...
陈 佳琪 +7 more
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Research on Carbon Emission Accounting and the "Dual Carbon" Transformation Path of Industrial Parks [PDF]
[Introduction] As an important carrier of China's industrialization and urbanization, industrial parks not only provide a large amount of infrastructure and public services, but also become the main source of carbon emission in China and an important ...
Jing XU +4 more
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Shuitu Baochi Xuebao, 2017 杉木林是我国南方地区的主要造林树种，研究不同更新方式的杉木林固碳及水土保持功能对科学评价森林生态系统的生态服务功能具有重要意义。以赣西南杉木实生林和萌芽林为研究对象，通过野外样地调查和室内化学分析方法，揭示了不同龄组实生林和萌芽林的碳储量分配特征，为其可持续经营提供科学依据。结果表明：不同龄组杉木实生林乔木层碳储量均高于萌芽林乔木层碳储量。杉木实生幼龄林乔木层碳储量为9.63 t/hm2，中龄林为42.14 t/hm2，近熟林为69.15 t/hm2，成熟林为105.21 t/hm2；年均固碳量分别为1.
唐学君, 王伟峰
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New Environmental/Thermal Barrier Coatings Suitable for Hydrogen Doped Gas Turbines [PDF]
ObjectivesWith the implementation of the national “Dual Carbon Strategy” (carbon peak and carbon neutrality), it is anticipated that the existing coating structures may not meet the requirements of future gas turbine thermal protection coatings.
DENG Luwei +7 more
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Shuitu Baochi Xuebao[目的] 通过分析滇中城市群碳储量的时空演变特征及其对土地利用/覆被(land use/land cover,LULC)变化的响应,以深化对该区域碳循环的理解,从而有效地指导碳管理和生态恢复策略的制定。[方法] 利用InVEST和PLUS模型模拟并预测1990—2030年滇中城市群碳储量的时空演变规律,结合土地覆被变化数据,定量分析碳储量与LULC变化之间的响应关系。[结果] (1)1990—2020年滇中城市群的土地类型主要以林地、耕地和草地为主,林地、耕地和建设用地呈增长趋势,其中建设用地增幅最大;(
彭双云 +4 more
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Resilient Cities: Responding to Peak Oil and Climate Change and the Developing Pattern of Cities of China [PDF]
, 2013 本文介绍了《弹性城市——应对石油紧缺与气候变化》一书中所提出的四种城市模型,并针对城市如何应对能源短缺和全球变暖等危机和问题讨论了弹性城市的要素。与此同时根据本文作者的译后感,对“弹性城市“这一概念作了新的诠释。最后,结合我国国情和中国的城市发展现状与特点,论述了《弹性城市——应对石油紧缺与气候变化》一书对我国城市发展的借鉴意义,并阐述了弹性城市发展战略的必要性和重要性。This article addresses that it is very useful to consider the book ...
彼得·纽曼, 王量量, 韩洁
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Advanced Nuclear Energy Development Scenario Study [PDF]
Nuclear energy is a safe, economical and efficient clean low-carbon energy resource. Its safety and large-scale development of nuclear energy are of great significance for optimizing the energy structure and promoting green and low-carbon development ...
YANG Yong, ZHOU Peide, YE Guoan, YANG Hongyi, HU Yun, SONG Yingyun
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Shuitu Baochi Xuebao, 2018 为了阐明毛乌素沙地湖滨带沉积物生态化学计量学特征及其指示意义，对不同类型区湖滨带沉积物有机碳、全氮和全磷含量进行了测定与分析。结果表明：不同类型区湖滨带沉积物有机碳和全氮含量变化趋势一致，表现为距离湖泊中心位置愈远其含量愈低；湖滨带沉积物有机碳、全氮、全磷含量剖面分布具有一定层次性，表现为0—10 cm＞10—20 cm＞20—40 cm，湖滨带沉积物全磷的变化相对滞后于有机碳和全氮，其水平分布特征与有机碳和全氮不同，剖面分布相似；土壤含水率和土壤容重是影响沉积物养分分布的关键因子，同时也是影响C ...
闫玉琴
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