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学者姓名:张滢
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本发明公开了一种光热转化PVA/rGO/木材气凝胶复合水凝胶及其制备方法和应用,以PVA‑1799为聚合物骨架,PVA溶液与氧化石墨烯溶液混合后加入交联剂戊二醛和催化剂硫酸,得到光热转化水凝胶前驱体溶液,滴加在纤维素气凝胶表面,然后在液氮浴的铜板上进行定向冷冻,随后放在冰箱中冷藏,产物解冻后经过水合肼还原得到定向冰模板法光热转化水凝胶。其具有较高的净蒸发速率、能量转化效率、盐去除率和持久稳定性,在一个标准太阳光(1000 W/m2)下净蒸发速率达到2.32 kg·m‑2·h‑1,能量转化效率最高可达94%,即使十次连续测试也可具有稳定的性能,盐去除率均在99%以上,最高达99.9%。
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GB/T 7714 | 张滢 , 祝孔全 , 高雅雯 . 一种光热转化PVA/rGO/木材气凝胶复合水凝胶及其制备方法和应用 : CN202111442596.7[P]. | 2021-11-30 00:00:00 . |
MLA | 张滢 等. "一种光热转化PVA/rGO/木材气凝胶复合水凝胶及其制备方法和应用" : CN202111442596.7. | 2021-11-30 00:00:00 . |
APA | 张滢 , 祝孔全 , 高雅雯 . 一种光热转化PVA/rGO/木材气凝胶复合水凝胶及其制备方法和应用 : CN202111442596.7. | 2021-11-30 00:00:00 . |
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为研究干湿交替下植物单种(百慕大草)与混种(鹅掌柴和百慕大草)对土质覆盖层甲烷(CH_4)减排的影响,设计3层土质覆盖层分别由机制砂尾料混合10%膨润土层、碎石层和粉砂层组成。一共开展4次干-湿交替试验,试验期间记录植物生长、土柱各层土体含水量及气压变化规律,监测各组分气体浓度。试验结果表明:填埋气对植物生长具有胁迫作用,可导致植物叶片枯萎、光合及蒸腾速率下降;混种组的CH_4氧化能力强于单种组,单种的CH_4去除率为混种组的69%~89%;混种组与单种组土体CH_4氧化能力差值随着干湿交替次数增加而提高;4次干湿交替后,混种组与单种组CH_4氧化能力均下降,分别为第1次干旱峰值的45%与34%;植物根系提高了土体的CH_4氧化能力,根系区土体的CH_4氧化能力大于根系区外土体。该研究揭示了干湿交替下植物组合方式对土质覆盖层CH_4氧化的影响,研究结果为垃圾填埋场CH_4减排提供理论参考。
Keyword :
3层土质覆盖层 3层土质覆盖层 土柱试验 土柱试验 干湿交替 干湿交替 植物组合 植物组合 甲烷减排 甲烷减排
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GB/T 7714 | 刘红位 , 卞晓冉 , 冯嵩 et al. 干湿交替下植物单种与混种对土质覆盖层甲烷减排的影响 [J]. | 环境工程 , 2023 , 41 (10) : 185-194 . |
MLA | 刘红位 et al. "干湿交替下植物单种与混种对土质覆盖层甲烷减排的影响" . | 环境工程 41 . 10 (2023) : 185-194 . |
APA | 刘红位 , 卞晓冉 , 冯嵩 , 张滢 , 程扬健 . 干湿交替下植物单种与混种对土质覆盖层甲烷减排的影响 . | 环境工程 , 2023 , 41 (10) , 185-194 . |
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China has controlled the nationwide spread of COVID-19 since April 2020, but it is still facing an enormous threat of disease resurgence originating from infected international travelers. Taking the rapid transmission and the mutation of SARS-CoV-2 into consideration, the current status would be easily jeopardized if sporadic locally-transmitted individuals are not identified at an early stage. Clinical diagnosis is the gold standard for COVID-19 surveillance, but it is hard to screen presymptomatic or asymptomatic cases in those who have not exhibited symptoms. Since presymptomatic or asymptomatic individuals are infectious, it is urgent to establish a surveillance system based on other tools that can profile the entire population. Infected people including those who are symptomatic, presymptomatic, and asymptomatic shed SARS-CoV-2 RNA in feces and thereby endow wastewater-based epidemiology (WBE) with an early-warning ability for mass COVID-19 surveillance. In the context of China's "COVID-zero" strategy, this work intends to discuss the practical feasibility of WBE applications as an early warning and disease surveillance system in hopes that WBE together with clinical testing would cost-effectively restrain sporadic COVID-19 outbreaks in China.
Keyword :
Community Community COVID-19 pandemic COVID-19 pandemic Infectious disease Infectious disease Surveillance system Surveillance system Wastewater-based epidemiology (WBE) Wastewater-based epidemiology (WBE)
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GB/T 7714 | Zhang, Ying , Zhu, Kongquan , Huang, Weiyi et al. Can wastewater surveillance assist China to cost-effectively prevent the na-tionwide outbreak of COVID-19? [J]. | SCIENCE OF THE TOTAL ENVIRONMENT , 2022 , 829 . |
MLA | Zhang, Ying et al. "Can wastewater surveillance assist China to cost-effectively prevent the na-tionwide outbreak of COVID-19?" . | SCIENCE OF THE TOTAL ENVIRONMENT 829 (2022) . |
APA | Zhang, Ying , Zhu, Kongquan , Huang, Weiyi , Guo, Zhixuan , Jiang, Senhua , Zheng, Chujun et al. Can wastewater surveillance assist China to cost-effectively prevent the na-tionwide outbreak of COVID-19? . | SCIENCE OF THE TOTAL ENVIRONMENT , 2022 , 829 . |
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本研究通过简单的水热法制备得到了自组装石墨烯水凝胶(SGH),并对其蒸发性能和实际应用潜力展开研究.实验结果表明,SGH孔隙丰富,全光谱吸收率>95%,具有优良的蒸发性能和脱盐能力.在一个标准太阳光下,SGH的净蒸发速率可达1.93 kg·m-2·h-1,光热转化效率为87%,而且盐浓度对蒸发速率的抑制作用不明显.同时,本研究自制了一个阶梯式太阳能蒸馏器,根据实验室和户外条件下的蒸馏实验结果,当光强相对稳定时,该蒸馏器的时平均产水速率最高可达1.65 kg·m-2·h-1,而且出水水质满足饮用要求.因而,本研究开发的石墨烯水凝胶光蒸馏装置是具有实际应用价值的.
Keyword :
太阳能蒸馏器 太阳能蒸馏器 海水淡化 海水淡化 界面蒸发 界面蒸发 石墨烯水凝胶 石墨烯水凝胶 蒸馏性能 蒸馏性能
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GB/T 7714 | 高雅雯 , 陈鑫 , 汪胡翰 et al. 石墨烯水凝胶光蒸馏装置的性能研究 [J]. | 广东化工 , 2022 , 49 (22) : 168-172 . |
MLA | 高雅雯 et al. "石墨烯水凝胶光蒸馏装置的性能研究" . | 广东化工 49 . 22 (2022) : 168-172 . |
APA | 高雅雯 , 陈鑫 , 汪胡翰 , 李锐 , 祝孔全 , 谢锋炎 et al. 石墨烯水凝胶光蒸馏装置的性能研究 . | 广东化工 , 2022 , 49 (22) , 168-172 . |
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Exclusion-zone (EZ) phenomenon generally refers to a long-range exclusion of particles at the interface between a hydrophilic surface and a bulk aqueous solution. Although the rejection of dissolved substances such as dyes and ions has previously been reported, it is still disputable till now due to the limitation of the optical microscopic observation. The controversy on the solute exclusion not only leads to significant divergence on our understanding of the EZ formation mechanisms, but also constrains the application of EZ phenomenon in physical, chemical, biological, and environmental processes. Therefore, here we propose a UV/Vis spectrophotometric method to clarify the occurrence of solute exclusion in the presence of hydrophilic surface. The consistence of the microscopic and UV/Vis spectrophotometric results in both particles and solutes proves that the UV/Vis spectrophotometric method is suitable for the quantitative characterization of the EZ formation process. Through this spectrophotometric method, we found the exclusion of particles and solutes with different exclusion behavior near hydrophilic surface. We expect this work will provide a different insight in understanding the underlying mechanisms for EZ formation and the long-range interactions between water and hydrophilic surface, as well as the possible application of this exclusion phenomenon in relevant fields. (C) 2021 Elsevier B.V. All rights reserved.
Keyword :
Dissolved substance Dissolved substance Exclusion-zone (EZ) phenomenon Exclusion-zone (EZ) phenomenon Interfacial water Interfacial water Particles Particles Surface hydrophilicity Surface hydrophilicity UV/Vis spectrophotometric method UV/Vis spectrophotometric method
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GB/T 7714 | Hu, Yujuan , Zhang, Ying , Cheng, Yangjian . Kinetic insight on the long-range exclusion of dissolved substances by interfacial interactions of water and hydrophilic surface [J]. | JOURNAL OF MOLECULAR LIQUIDS , 2022 , 349 . |
MLA | Hu, Yujuan et al. "Kinetic insight on the long-range exclusion of dissolved substances by interfacial interactions of water and hydrophilic surface" . | JOURNAL OF MOLECULAR LIQUIDS 349 (2022) . |
APA | Hu, Yujuan , Zhang, Ying , Cheng, Yangjian . Kinetic insight on the long-range exclusion of dissolved substances by interfacial interactions of water and hydrophilic surface . | JOURNAL OF MOLECULAR LIQUIDS , 2022 , 349 . |
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air pollutants air pollutants community transmission community transmission COVID-19 COVID-19 environmental impact environmental impact mitigation strategy mitigation strategy
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GB/T 7714 | He, Lei , Hu, Qunfang , Liu, Zhongmin et al. COVID-19: Mitigation Strategies and Their Implications for the Global Environment [J]. | FRONTIERS IN ENVIRONMENTAL SCIENCE , 2022 , 10 . |
MLA | He, Lei et al. "COVID-19: Mitigation Strategies and Their Implications for the Global Environment" . | FRONTIERS IN ENVIRONMENTAL SCIENCE 10 (2022) . |
APA | He, Lei , Hu, Qunfang , Liu, Zhongmin , Zhang, Ying . COVID-19: Mitigation Strategies and Their Implications for the Global Environment . | FRONTIERS IN ENVIRONMENTAL SCIENCE , 2022 , 10 . |
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To prevent the spread of coronavirus disease 2019 (COVID-19), stringent quarantine measures have been implemented so that healthy people and virus carriers have isolated themselves in the same community owing to the limit capacity of healthcare facilities. With the exponential growth of the infected population, the residential environment is contaminated by fomites from the infected residents and consequently threating the health of susceptible residents. Till now, little has been acknowledged on this indirect transmission route and its role on community transmission. Here we address the impact of self-isolated virus carriers on the residential environment and elucidate the potential transmission pathways via contaminated environment in communities. We urge further investigation on the superspreading cases in communities and hope to arouse the attention to evaluate the potential risk of indirect transmission route as well as the corresponding control measures.
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community transmission community transmission contaminated residential environment contaminated residential environment COVID-19 pandemic COVID-19 pandemic indirect transmission route indirect transmission route media-to-person media-to-person
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GB/T 7714 | Hu, Qunfang , He, Lei , Zhang, Ying . Community Transmission via Indirect Media-To-Person Route: A Missing Link in the Rapid Spread of COVID-19 [J]. | FRONTIERS IN PUBLIC HEALTH , 2021 , 9 . |
MLA | Hu, Qunfang et al. "Community Transmission via Indirect Media-To-Person Route: A Missing Link in the Rapid Spread of COVID-19" . | FRONTIERS IN PUBLIC HEALTH 9 (2021) . |
APA | Hu, Qunfang , He, Lei , Zhang, Ying . Community Transmission via Indirect Media-To-Person Route: A Missing Link in the Rapid Spread of COVID-19 . | FRONTIERS IN PUBLIC HEALTH , 2021 , 9 . |
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In the present work, TiO2-B nanowires have been successfully synthesized for the first time based on a topological conversion process by using titanate as a precursor and exhibited a length of several hundred nanometers and a width of approximately 10 nm. This resulted in excellent electron/ion transport properties and reaction kinetics in lithium intercalation. Consequently, as an anode material for lithium-ion batteries, TiO2-B nanowires exhibited an extraordinary rate performance and outstanding long-term cycling stability with a capacity of 192.4 mA h g(-1) after 3600 cycles at a rate as high as 10C.
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GB/T 7714 | Zhang, Weifeng , Zhang, Ying , Yu, Ling et al. TiO2-B nanowires via topological conversion with enhanced lithium-ion intercalation properties [J]. | JOURNAL OF MATERIALS CHEMISTRY A , 2019 , 7 (8) : 3842-3847 . |
MLA | Zhang, Weifeng et al. "TiO2-B nanowires via topological conversion with enhanced lithium-ion intercalation properties" . | JOURNAL OF MATERIALS CHEMISTRY A 7 . 8 (2019) : 3842-3847 . |
APA | Zhang, Weifeng , Zhang, Ying , Yu, Ling , Wu, Nae-Lih , Huang, Haitao , Wei, Mingdeng . TiO2-B nanowires via topological conversion with enhanced lithium-ion intercalation properties . | JOURNAL OF MATERIALS CHEMISTRY A , 2019 , 7 (8) , 3842-3847 . |
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An active absorption layer with a narrow band gap has been achieved through adjusting the halide ratio in a halide perovskite, and it had better energy alignment with the Zn2SnO4 electron transport layer. An efficiency of 19.37% can be obtained, and this has also been improved to 20.26% through the incorporation of cesium, giving a new triple cation perovskite.
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GB/T 7714 | Dou, Jie , Zhang, Ying , Wang, Qiong et al. Highly efficient Zn2SnO4 perovskite solar cells through band alignment engineering [J]. | CHEMICAL COMMUNICATIONS , 2019 , 55 (97) : 14673-14676 . |
MLA | Dou, Jie et al. "Highly efficient Zn2SnO4 perovskite solar cells through band alignment engineering" . | CHEMICAL COMMUNICATIONS 55 . 97 (2019) : 14673-14676 . |
APA | Dou, Jie , Zhang, Ying , Wang, Qiong , Abate, Antonio , Li, Yafeng , Wei, Mingdeng . Highly efficient Zn2SnO4 perovskite solar cells through band alignment engineering . | CHEMICAL COMMUNICATIONS , 2019 , 55 (97) , 14673-14676 . |
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