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智慧电表设施的节能减排效益评估

中国环境科学 2016年第8期36卷 2545-2553页

作者：张金华邱耀雄何建宗香港公开大学科技学院环境科学研究中心香港特别行政区中国香港999077

智慧电表基础设施（Advanced Metering Infrastructure,AMI）通过电力数据采集、分析和管理,可以优化电力供求平衡.由于AMI的建设需要巨额投资,如何评估AMI建成后节省的电量和减少的碳排放量是目前面临的一个挑战.本研究以香港为例,通... 详细信息

智慧电表基础设施（Advanced Metering Infrastructure,AMI）通过电力数据采集、分析和管理,可以优化电力供求平衡.由于AMI的建设需要巨额投资,如何评估AMI建成后节省的电量和减少的碳排放量是目前面临的一个挑战.本研究以香港为例,通过现场测量和分析不同地区不同环境条件下AMI的效能,同时基于研究区块类型、AMI的覆盖率、发电燃料组合结构、参与AMI的人口比例和相关价格激励机制等因素,建立了一套数学模式,量化评估AMI建成后节能减排的成效.结果显示,只要超过70%的人口参与,就可以实现香港政府原先制定的减少碳排放量19%~33%的目标.

关键词：智慧电表基础设施智慧电表能源管理碳排放

甲藻(Dinophyta)凯伦藻科(Kareniaceae)的分类学研究与展望

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海洋与湖沼 2017年第4期48卷 786-797页

作者：王建艳何建宗齐雨藻吕颂辉杨静北京自然博物馆北京100050 香港公开大学香港九龙999077 暨南大学广州510632

凯伦藻科(Kareniaceae)是甲藻门中较新建立的一个科。凯伦藻科种类广泛分布于全球海域,目前已报道3属30个种。由于该科大部分种类频发藻华,严重威胁近海生态安全和水产养殖,因而备受关注。自20世纪90年代起,我国沿岸也逐渐成为凯伦藻藻... 详细信息

凯伦藻科(Kareniaceae)是甲藻门中较新建立的一个科。凯伦藻科种类广泛分布于全球海域,目前已报道3属30个种。由于该科大部分种类频发藻华,严重威胁近海生态安全和水产养殖,因而备受关注。自20世纪90年代起,我国沿岸也逐渐成为凯伦藻藻华的重灾区,凯伦藻曾引发我国最严重的几次藻华事件。本文对本科种类分类学特征进行详细描述,翻译其中文名,编制属、种分类检索表,以期为我国凯伦藻生物多样性研究以及凯伦藻藻华防治提供基础而必要的种源信息。

关键词：凯伦藻科凯伦藻属卡尔藻属塔卡藻属分类学

Overview of harmful algal blooms(red tides)in hong Kong during 1975–2021

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Journal of Oceanology and Limnology 2022年第6期40卷 2094-2106页

作者： kin chung ho Department of Geography University of Hong KongHong Kong Special Administrative RegionHong Kong 999077China College of Marine Ecology and Environment Shanghai Ocean UniversityShanghai 201306China

hong Kong has a long historical record of harmful algal blooms(HABs).In the 1980s-1990s,HABs were mainly pollution-related and most of the events happened in estuaries and enclosed embayment such as Tolo Harbour and Port *** major cause of HABs in 1980s-1990s was closely related to nutrients enrichment;included but not limited to changes in the concentration and ratio of soluble N and P in *** major causative organisms of HABs in hong Kong by then were meso-plankton such as selected species of diatoms and dinofl ***,zooplankton was also a cause of red tides(the common name of HABs).There has been gradual change after the *** is attributed to higher and higher influences from the region,namely the Zhujiang(Pearl)River *** are increasing influences from Chinese mainland due to extraordinary social and economic growths during the past 20 *** the past10 years,HABs in hong Kong was mainly subject to regional impacts in the Zhujiang River *** the duration period and covered areas have been enlarged which overwhelmed the localized influences of stream pollution and self-contamination of aquaculture *** flagellates of uncommon happening become dominant species in HAB ***,the seasonal impact of Noctiluca scintillans in late winter to mid spring remained.

关键词： harmful algal blooms(HABs) Tolo Harbour long-term trend regional eutrophication and environmental impacts

Modulation of Neuroimmune Responses on Glia in the Central Nervous System： Implication in Therapeutic Intervention against Neuroinflammation

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Cellular & Molecular Immunology 2009年第5期6卷 317-326页

作者： Raymond Chuen-chung Chang kin Chiu Yuen-Shan ho Kwok-Fai So Laboratory of Neurodegenerative Diseases Depamnent of Anatomy LKSFaculty of Medicine University of Hong Kong Pokfulam Hong KongSAR China Research Centre of Heart Brain Hormone and Healthy Aging LKSFaculty of Medicine University of Hong Kong Pokfulam Hong KongSAR China State Key Laboratory for Brain and Cognitive Sciences University of HongKong. Pokfulam Hong Kong SAR China Department of Anatomy LKS Faculty of Miedicine The University of Hong Kong Rm.

It has long been known that the brain is an immunologically privileged site in normal conditions. Although the cascade of immune responses can occur as long as there is a neuronal injury or a potent immune stimulation, how the brain keeps glial cells in a quiescent state is still unclear. Increasing efforts have been made by several laboratories to elucidate how repression oi~ immune responses is achieved in the neuronal environment. The suppression factors include neurotransmitters, neurohormones, neurotrophic factors, anti-inflammatory factors, and cell-cell contact via adhesion molecules or CD200 receptor. This review discusses how these factors affect the cascade of cerebral immune responses because no single factor listed above can fully account for the immune suppression. While several factors contribute to the suppression of immune responses, activation of glial cells and their production of pro-inflammatory factors do occur as long as there is a neuronal injury, suggesting that some neuronal components facilitate immune responses. This review also discusses which signals initiate or augment cerebral immune responses so that stimulatory signals override the suppressive signals. Increasing lines of evidence have demonstrated that immune responses in the brain are not always detrimental to neurons. Attempt to simply clear off inflammatory factors in the CNS may not be appropriate for neurons in neurological disorders. Appropriate control of immune cells in the CNS may be beneficial to neurons or even neuroregeneration. Therefore, understanding the mechanisms underlying immune suppression may help us to reshape pharmacological interventions against inflammation in many neurological disorders.

关键词： neural cell adhesion molecule neurotrophins potassium ions microglia neuroinflammation

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医院门诊室内空气质量评价

城市环境与城市生态 2014年第3期27卷 1-4页

作者：邱耀雄徐景亮张玉宇何建宗香港公开大学科技学院环境及安全科学系

医院室内空气质量直接影响着院内每个人的身体健康,对医院空气进行定期监测是预防和控制医院感染的重要措施。对中国南部沿海某城市10所医院门诊空气质量状况进行了调查。结果发现,所调查门诊中室内二氧化碳、一氧化碳和可吸入颗粒物浓... 详细信息

医院室内空气质量直接影响着院内每个人的身体健康,对医院空气进行定期监测是预防和控制医院感染的重要措施。对中国南部沿海某城市10所医院门诊空气质量状况进行了调查。结果发现,所调查门诊中室内二氧化碳、一氧化碳和可吸入颗粒物浓度均达至良好级别。但是,分别有两家门诊的室内温度和相对湿度未能达到良好级别,而且有8家门诊的空气中细菌总数未能达到良好级别。因此,本文建议相关医院采取相应的措施加强对门诊室内空气质量(尤其是细菌数量)的控制。

关键词：医院感染门诊空气质量细菌

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香港公共交通工具车厢内空气质量调查

城市环境与城市生态 2016年第2期29卷 1-3页

作者：邱耀雄徐景亮张玉宇何建宗香港公开大学环境科学研究中心

为了解香港公共交通工具车厢空气质量,于2011年10月对香港公共汽车、小型公共汽车和地铁车厢内的空气质量状况进行了调查。结果发现,3种交通工具车厢内空气中的PM10和细菌平均浓度分别低于180μg/m3和1000 cfu/m^3,均达到良等级。CO2和... 详细信息

为了解香港公共交通工具车厢空气质量,于2011年10月对香港公共汽车、小型公共汽车和地铁车厢内的空气质量状况进行了调查。结果发现,3种交通工具车厢内空气中的PM10和细菌平均浓度分别低于180μg/m3和1000 cfu/m^3,均达到良等级。CO2和挥发性有机化合物(VOC)平均浓度数值普遍偏高,存在超标现象。其中空气流通状况最差的是小型公共汽车,其CO_2和VOC平均浓度分别高达5 596.8 mg/m^3和1 108.0μg/m^3,分别为良等级标准上限的2.8和1.8倍。确保良好的通风和对空调车通风系统作定期的清洗和维护对于车厢内空气环境有重要的意义。

关键词：空气污染空气质量交通工具

Asymmetric response of magnetic impurity in Bernal-stacked bilayer honeycomb lattice

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Chinese Physics B 2018年第7期27卷 507-514页

作者： Jin-Hua Sun ho-kin Tang Department of Physics Ningbo UniversityNingbo 315211China Department of Physics Faculty of ScienceNational University of SingaporeSingapore 117542Singapore

We utilize the Hirsch-Fye quantum Monte Carlo method to investigate the local moment formation of a magnetic impurity in a Bernal-stacked bilayer honeycomb lattice. A tight-binding model with the two most significant inter-layer hoppings, tl between pairs of dimer sites and t3 between pairs of non-dimer sites, is used to describe the kinetic energy of the system. The local moment formed shows an asymmetric response to the inter-layer hoppings depending on which sublattice the impurity is coupled to. In the dimer and non-dimer couplings, the effects of t1 and t3 onto the local moment are quite opposite. When tuning the local moment, this asymmetric response is observed in a wide parameter range. This asymmetric response is also discussed by the computations of spectral densities, as well as correlation functions between the magnetic impurity and the conduction electrons.

关键词： local moments bilayer honeycomb lattices quantum Monte Carlo

Effects of dispersoid preforming via multistep sintering of oxide dispersion-strengthened CoCrFeMnNi high-entropy alloy

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Journal of Materials Science & Technology 2023年第9期140卷 187-200页

作者： SeungHyeok chung Ji ho Shin ho Jin Ryu Department of Nuclear and Quantum Engineering Korea Advanced Institute of Science and Technology(KAIST)Daejeon 34141Republic of Korea Central Research Institute Korea Hydro and Nuclear Power Co.Ltd.(KHNP)Daejeon 34101Republic of Korea

Dispersoid formation and microstructural evolution in an oxide dispersion-strengthened CoCrFeMnNi high-entropy alloy(HEA)using a newly designed multistep sintering process are *** proposed multistep sintering consists of a dispersoid preforming heat treatment of as-milled 0.1 wt%Y_(2)O_(3)-CoCrFeMnNi high-entropy alloy powders at 800℃,followed by sintering at 800–1000℃ under uniaxial *** the conventional single-step sintered bulk,the coarsened BCC Y_(2)O_(3)dispersoids mainly form with an incoherent interface with the HEA *** contrast,finer FCC Y_(2)O_(3)dispersoids,an atypical form of Y_(2)O_(3),are formed in the matrix region after multistep *** of FCC Y_(2)O_(3)disper-soids is initiated on the favorable facet,the{111}plane of the austenitic matrix,with the formation of a semi-coherent interface with the matrix during the dispersoid preforming heat treatment and it maintains its refined size even after *** is found that dispersoid preforming prior to sintering appears promising to control the finer dispersoid formation and refined grain structure.

关键词： Oxide dispersion strengthening High-Entropy alloy Multistep sintering Dispersoid preforming Microstructure evolution Interfacial structure

Interactions Between Arbuscular Mycorrhizae and Plants in Phytoremediation of Metal-Contaminated Soils: A Review

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Pedosphere 2013年第5期23卷 549-563页

作者： LEUNG ho-Man WANG Zhen-Wen YE Zhi-hong YUNG kin-Lam PENG Xiao-Ling CHEUNG Kwai-chung Department of Biology Hong Kong Baptist University School of Biological Science and Technology Yangzhou University State Key Laboratory for Bio-control and School of Life Sciences Sun Yat-sen University Division of Science and Technology BNU-HKBU United International College Department of Applied Sciences Hong Kong Institute of Vocational Education (Chai Wan)

Metal contamination in the environment is a global concern due to its high toxicity to living organisms and its worldwide distribution. The principal goal of this review is to examine the current strategies and technologies for the remediation of metal- contaminated soils by metal-accumulating plants and assess the roles of arbnscular mycorrhizal （AM） fungi in remediation of soils under hyperaccumulator or non-accumulator plants. The use of plants to remove metals from the environment or reduce the toxicity, known as phytoremediation, is an environmentally sustainable and low cost remediation technology. The mechanisms of the use of hyperaccumulator plants for phytoremediation included solubilization of the metal in the soil matrix, the plant uptake of the metal, detoxification/chelation and sequestration, and volatilization. Recently, some ecologists have found that phytoremediation with the aids of mycorrhizae can enhance efficiency in the removal of toxic metals. AM fungi can facilitate the survival of their host plants growing on metal-contaminated land by enhancing their nutrient acquisition, protecting them from the metal toxicity, absorbing metals, and also enhancing phytostabilization and phytoextraction. Such information may be useful for developing phytoremediation program at metal-contaminated sites.

关键词： AM fungi heavy metals hyperaccumulator plant phytoextraction phytostabilization