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Research on the Orderly Charging Regulation Capability of Electric Vehicles in Beijing 北京市电动汽车有序充电监管能力研究
Pub Date : 2023-09-27 DOI: 10.56028/aetr.8.1.127.2023
Shenzhi Xu, Bo Xu, Dongyang Hou
The carbon peaking and carbon neutrality goals accelerate the pace of energy transformation. Urban energy development faces many challenges. While electric vehicles are promoting the clean and low-carbon transformation of urban transportation sectors, their application prospects as distributed energy storage are increasingly receiving attention from all parties. By providing reasonable guidance on the charging behavior of electric vehicles, they can provide power and energy regulation services such as frequency regulation and peak shaving to the electric power system, improving the utilization level of random and fluctuating new energy. However, there is currently limited research on the quantitative evaluation of the orderly charging regulation ability of electric vehicles. Based on the outlook for energy development and the prediction for the scale of electric vehicles in Beijing, taking into account the characteristics of different vehicle types, this article quantitatively evaluates the regulation ability of orderly charging of electric vehicles in Beijing in the future. The research provides a reference for electric vehicles to participate in demand response and form friendly interaction with the power grid.
碳调峰和碳中和目标加快了能源转型的步伐。城市能源发展面临诸多挑战。电动汽车在推动城市交通领域清洁低碳转型的同时,其作为分布式储能的应用前景也日益受到各方关注。通过对电动汽车充电行为的合理引导,可为电力系统提供调频、削峰等电力能源调节服务,提高随机性、波动性新能源的利用水平。然而,目前对电动汽车有序充电调节能力的定量评估研究有限。本文基于能源发展前景和北京市电动汽车规模预测,结合不同车型的特点,对未来北京市电动汽车有序充电调节能力进行了定量评估。该研究为电动汽车参与需求响应、与电网形成友好互动提供了参考。
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引用次数: 0
The enhancement of photocatalytic activity of porous g-C3N4@TiO2 nanotubes heterostructure 提高多孔 g-C3N4@TiO2 纳米管异质结构的光催化活性
Pub Date : 2023-09-27 DOI: 10.56028/aetr.8.1.76.2023
Shengzhe Zhao, Yi Yang, Jinju Chen
The g-C3N4 nanosheets were uniformly grown on TiO2 nanotubes with porous structure via the improved methods of impregnation calcination and facial vapor deposition. The photocatalytic performance of the g-C3N4/TiO2 nanotubes was evaluated by the degradation of methyl orange solution (MO) and exhibited higher photodegradation rate than the pure g-C3N4 or TiO2 nanotubes under xenon light irradiation, which may be attributed to the increased specific surface area and efficiently separation of photon-generated electrons/holes by the heterostructure. This work provides a simple and efficient scheme of manufacturing porous heterostructure nanotubes for environmental and energy applications.
通过改进的浸渍煅烧和面部气相沉积方法,在具有多孔结构的 TiO2 纳米管上均匀生长出 g-C3N4 纳米片。在氙灯照射下,g-C3N4/TiO2 纳米管比纯 g-C3N4 或 TiO2 纳米管表现出更高的光降解率,这可能归功于异质结构增加了比表面积并有效分离了光生电子/空穴。这项研究为多孔异质结构纳米管在环境和能源领域的应用提供了一种简单高效的制造方案。
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引用次数: 0
Study on the Similarity between Nonnegative Irreducible Matrices and Positive Matrices 非负不可还原矩阵与正矩阵相似性研究
Pub Date : 2023-09-27 DOI: 10.56028/aetr.8.1.133.2023
Hao Zhang
The main objective of this study is to explore the problem of similarity between nonnegative irreducible matrices and positive matrices. By leveraging established lemmas and drawing insights from pertinent literature, this article provides a rigorous proof: When  is greater than 8, for any  nonnegative irreducible matrix , if it contains  zero elements and possesses mutually distinct diagonal elements, then  is similar to a positive matrix.
本研究的主要目的是探讨非负不可还原矩阵与正矩阵之间的相似性问题。通过利用已有的定理和从相关文献中汲取的启示,本文提供了一个严谨的证明:当大于 8 时,对于任何非负不可还原矩阵,如果它包含零元素且具有互不相同的对角元素,则它与正矩阵相似。
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引用次数: 0
Application of Information Technology in the Construction of Smart Power Plants 信息技术在智能电厂建设中的应用
Pub Date : 2023-09-27 DOI: 10.56028/aetr.8.1.90.2023
Qi Chen, Tianxue Zhang, Mingxiang Yang, Xin Lu
With the rapid development of information technology, the construction of smart power plant in China has entered a period of rapid development, but there are still some problems that need to be improved. Reviewing the development history of smart power plant in order to better look forward to the future of smart power plant construction. This paper summarizes the development history of smart power plant and some commonly used information technology, and puts forward several personal insights on how to better integrate information technology into the construction of smart power plant.
随着信息技术的飞速发展,我国的智能电厂建设也进入了快速发展时期,但仍存在一些亟待改进的问题。回顾智能电厂的发展历程,才能更好地展望智能电厂建设的未来。本文总结了智能电厂的发展历程和一些常用的信息技术,并就如何更好地将信息技术融入智能电厂建设提出了几点个人见解。
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引用次数: 0
Simulation Analysis of Pipeline Detection Robot Motion State 管道探测机器人运动状态仿真分析
Pub Date : 2023-09-27 DOI: 10.56028/aetr.8.1.121.2023
Leiyu Gong, Shengli Zhou, Cheli Ren, Weikai Zhao
Pipeline transportation has the advantages of safety, reliability and low energy consumption in transporting natural gas, and is an important transportation route for transporting natural gas. Due to the characteristics of natural gas pipelines with large internal pressure fluctuations, plenty of pipeline bending sections and complex pipeline deformation characteristics, pipeline detection robots are required to have higher detection capabilities, and the study of the motion state of natural gas pipeline detection robots in pipeline detection is of practical significance. This paper adopts the CFD numerical simulation method and establishes the model of DN800 pipeline deformation detection robot. Next, by simulating the natural gas pipeline detection robot under different media and different pipeline types respectively, the motion state of the detection robot is analyzed under different conditions. The simulation results verify the reliability of the detection robot working inside the pipeline, which can fully guarantee the safe transportation of natural gas pipeline.
管道运输具有安全可靠、能耗低等优点,是运输天然气的重要运输方式。由于天然气管道具有内压波动大、管道弯曲段多、管道变形特征复杂等特点,要求管道检测机器人具有更高的检测能力,研究天然气管道检测机器人在管道检测中的运动状态具有重要的现实意义。本文采用 CFD 数值模拟方法,建立了 DN800 管道变形检测机器人模型。然后,分别在不同介质和不同管道类型下对天然气管道检测机器人进行仿真,分析检测机器人在不同条件下的运动状态。仿真结果验证了检测机器人在管道内工作的可靠性,充分保障了天然气管道的安全输送。
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引用次数: 0
Research Progress On Identification Methods And Traceability Experimental Methods Of Oil Spills On The Sea 海上溢油识别方法和溯源实验方法的研究进展
Pub Date : 2023-09-27 DOI: 10.56028/aetr.8.1.8.2023
Xuan Wu
Oil spill composition is complex and difficult to identify. Traditional oil spill identification techniques include gas chromatography, infrared spectroscopy, liquid chromatography, fluorescence spectrometry, gas chromatography-mass spectrometry and nuclear magnetic resonance spectroscopy. Different methods of oil spill identification have their advantages and disadvantages. Oil spill identification is of guiding significance to the clean-up of oil spill at sea, liability disputes and the subsequent ecological restoration. In order to improve the persuasiveness and reliability of the identification results, it is necessary to combine different identification methods and develop a new oil spill identification technology. Based on the analysis of oil spill types, oil spill identification methods and relevant experimental facilities at home and abroad, it is necessary to carry out research on oil spill identification methods and traceability experiments, so as to provide a reliable basis for legal adjudication of oil spill accidents.
溢油成分复杂且难以识别。传统的溢油识别技术包括气相色谱法、红外光谱法、液相色谱法、荧光光谱法、气相色谱-质谱法和核磁共振光谱法。不同的溢油识别方法各有利弊。溢油鉴定对海上溢油清理、责任纠纷及后续生态修复具有指导意义。为了提高鉴定结果的说服力和可靠性,有必要将不同的鉴定方法结合起来,开发新的溢油鉴定技术。在分析国内外溢油类型、溢油鉴定方法和相关实验设施的基础上,有必要开展溢油鉴定方法研究和溯源实验,为溢油事故的法律裁决提供可靠依据。
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引用次数: 0
A New Kind of Anti-bending and Anti-deformation Cathode Frame for Electrostatic Precipitators 用于静电除尘器的新型防弯曲和防变形阴极框架
Pub Date : 2023-09-27 DOI: 10.56028/aetr.8.1.1.2023
Jingsong Zeng, Yuhan Zeng, Ziwei Wang
The present invention discloses a cathode frame of an electrostatic precipitator, comprising a rectangular frame composed of four horizontal bars and five vertical bars; The horizontal and vertical bars are perpendicular to each other and located in the same plane, and four horizontal bars are arranged parallel to each other, while five vertical bars are arranged parallel to each other; Four horizontal bars divide the longitudinal length of the rectangular box into three equal parts, five vertical bars divide the transverse length of the rectangular box into 2:1:1:2, and one of the vertical bars is located on the vertical centerline of the rectangular box; The upper section of the two outermost vertical rods on the rectangular frame is a reinforced vertical rod, and there are two horizontal through-holes on the reinforced vertical rod for installing the cathode frame support. The cathode frame of the electrostatic precipitator has a simple structure and convenient assembly, which can effectively prevent the cathode frame of the electrostatic precipitator from bending, deformation, or even sliding and collapsing from the overall cathode support, greatly improving the safety and stability of the operation of the electrostatic precipitator.
本发明公开了一种静电除尘器阴极框架,包括由四根横杆和五根竖杆组成的矩形框架;横杆和竖杆相互垂直且位于同一平面内,四根横杆相互平行布置,五根竖杆相互平行布置;四根横杆将矩形框的纵向长度分为三等份,五根竖杆将矩形框的横向长度分为2:1:1:2,其中一根竖杆位于矩形框的垂直中心线上;矩形框上最外侧的两根竖杆的上部为加强竖杆,加强竖杆上有两个水平通孔,用于安装阴极框支架。静电除尘器阴极框架结构简单,装配方便,可有效防止静电除尘器阴极框架从整体阴极支架上弯曲、变形,甚至滑动、倒塌,大大提高了静电除尘器运行的安全性和稳定性。
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引用次数: 0
Strategies for solving hydrogen precipitation problems in aqueous zinc ion batteries 解决锌离子水电池中氢沉淀问题的策略
Pub Date : 2023-09-27 DOI: 10.56028/aetr.8.1.145.2023
Hanxiao Fan
Aqueous zinc ion batteries have revealed many problems while solving the safety problems of conventional batteries, among which the narrow electrochemical stability window of water causes the battery to be prone to hydrogen precipitation reactions. In this paper, we summarize two strategies to solve the problem. From the electrolyte side, firstly, we use a mixture of salt-in-water electrolyte  to lower the starting potential of hydrogen precipitation reaction, so that the hydrogen precipitation reaction can be inhibited. The second strategy is to use intermolecular forces to configure a high concentration electrolyte to change the presence of ions in the solution, thus reducing the free water content and the activity of water to inhibit the hydrogen precipitation reaction.
锌离子水电池在解决传统电池安全问题的同时,也暴露出许多问题,其中水的电化学稳定性窗口较窄,导致电池容易发生氢沉淀反应。本文总结了两种解决问题的策略。从电解液方面来看,首先,我们使用水包盐混合电解液来降低析氢反应的起始电位,从而抑制析氢反应。第二种策略是利用分子间作用力配置高浓度电解质,改变溶液中离子的存在状态,从而降低自由水含量,降低水的活性,达到抑制析氢反应的目的。
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引用次数: 0
Hot spot analysis of big data visualization research in China based on co-word network 基于共词网络的中国大数据可视化研究热点分析
Pub Date : 2023-07-26 DOI: 10.56028/aetr.7.1.55.2023
Menglin Liang, Yu Liang
Big data visualization is a rapidly developing field, and various new technologies and methods continue to emerge, making big data visualization widely used in various fields. With the advancement of technology and the expansion of application scenarios, big data visualization will continue to play an important role in the future. This paper adopts the co-word network analysis method to conduct bibliometric analysis of the relevant research of big data visualization in China from 2012 to 2022, identifies the hot spots and connection points in the field of big data visualization in China by drawing a knowledge network map, shows the research structure of big data visualization through visual analysis, and predicts the future research development trend on this basis. The results show that seven knowledge points, such as "data analysis", " visualization analysis" and "big data technology", are the current research hotspots in the field of big data visualization, which determine the development direction of future research.
大数据可视化是一个快速发展的领域,各种新技术、新方法不断涌现,使得大数据可视化在各个领域得到广泛应用。随着技术的进步和应用场景的拓展,大数据可视化在未来将继续发挥重要作用。本文采用共词网络分析方法,对2012-2022年我国大数据可视化相关研究进行文献计量分析,通过绘制知识网络图找出我国大数据可视化领域的热点和连接点,通过可视化分析展示大数据可视化的研究结构,并在此基础上预测未来的研究发展趋势。结果表明,"数据分析"、"可视化分析"、"大数据技术 "等七个知识点是当前大数据可视化领域的研究热点,决定了未来研究的发展方向。
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引用次数: 0
Experimental Study on Optimization of Coal Electrochemical Desulfurization Process under Acidic Conditions 酸性条件下煤炭电化学脱硫工艺优化试验研究
Pub Date : 2023-07-26 DOI: 10.56028/aetr.7.1.80.2023
Guoping Li, Yixing Liu, Linfang Ao, Hong-bo Zhang
The feasibility of using added catalysts and organic solvents to improve the efficiency of coal electrolytic desulfurization was explored based on the study of the optimal electrolytic desulfurization conditions under acidic coal conditions using Shanxi Shigejie coal samples as raw materials.The effects of inorganic catalyst and organic solvent on inorganic and organic sulfur in coal were investigated under the condition of Hcl as the electrolyte, and the changes of sulfur content in coal before and after the experiment were analyzed by Coulometric titration, AAS, GB/T 215-2003, and total sulfur differential subtraction method, and the changes of surface functional groups of organic sulfur model compounds before and after desulfurization were analyzed using infrared spectroscopy to study the mechanism of electrolytic desulfurization of sulfur in coal.Nacl, Mgcl2, Fe(NO3)3, MnSO4 and Fe2(SO4)3 were selected as inorganic catalysts, and DMF, CH3OH and DMSO were used as organic solvents to compare the desulfurization rates of inorganic and organic sulfur in coal samples before and after immersion and before and after electrolysis, respectively.The experimental results show that under the best electrolytic desulfurization conditions, manganese sulfate can significantly improve the inorganic sulfur removal efficiency, DMF+CH3OH, DMF organic solvent for immersion desulfurization is not obvious, but the organic sulfur removal efficiency is significant after electrolytic desulfurization.
以山西石节煤样为原料,在研究酸性煤条件下最佳电解脱硫条件的基础上,探讨了利用添加催化剂和有机溶剂提高煤电解脱硫效率的可行性。在以 Hcl 为电解液的条件下,考察了无机催化剂和有机溶剂对煤中无机硫和有机硫的影响,并采用库仑滴定法、AAS 法、GB/T 215-2003 分析了实验前后煤中硫含量的变化、和全硫差减法分析了实验前后煤中硫含量的变化,并利用红外光谱分析了脱硫前后有机硫模型化合物表面官能团的变化,研究了煤中硫的电解脱硫机理。选取Nacl、Mgcl2、Fe(NO3)3、MnSO4和Fe2(SO4)3为无机催化剂,DMF、CH3OH和DMSO为有机溶剂,分别比较了浸泡前后和电解前后煤样中无机硫和有机硫的脱硫率。实验结果表明,在最佳电解脱硫条件下,硫酸锰能显著提高无机硫的脱除效率,DMF+CH3OH、DMF有机溶剂对浸泡脱硫的效果不明显,但电解脱硫后有机硫的脱除效率明显提高。
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引用次数: 0
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Advances in Engineering Technology Research
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