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A Novel Financial Anti-fraud Method based on Machine Learning Algorithms 基于机器学习算法的新型金融反欺诈方法
Pub Date : 2024-07-17 DOI: 10.56028/aetr.10.1.787.2024
Daokang Jiang
Digital finance is booming, financial technology is maturing, and the development of information technology has had a massively positive impact on society. However, such progress also introduces a new type of risk: the underground network industry is experiencing explosive growth, and telecommunications network fraud has caused enormous financial losses. In the age of digital finance, although commercial banks have ushered in new possibilities and created momentum, they must also confront new obstacles and needs for digital transformation. In this context, online financial services have emerged as the new primary battleground. In this study, based on the RFM high-dimensional derived features and machine learning techniques, a high-dimensional transaction behavior portraits-based anti-fraud machine learning model is created. Using big data, stream computing, and other technologies, as well as systematic deployment, application strategy, and iterative model optimization, we developed a set of machine learning-based in-event risk control solutions. Confirmed to have an AUC of 0.972, this model provides key insight into fraud risk, identifies fraudulent transactions in milliseconds, and has value and relevance for enhancing the in-transaction risk management capabilities of online digital financial organizations.
数字金融蓬勃发展,金融技术日趋成熟,信息技术的发展对社会产生了巨大的积极影响。然而,这种进步也带来了新型风险:地下网络产业呈现爆发式增长,电信网络诈骗造成了巨大的经济损失。在数字金融时代,商业银行虽然迎来了新的可能,创造了新的动力,但也必须面对数字化转型的新障碍和新需求。在此背景下,在线金融服务成为新的主战场。本研究基于 RFM 高维衍生特征和机器学习技术,创建了基于高维交易行为画像的反欺诈机器学习模型。利用大数据、流计算等技术,以及系统部署、应用策略、模型迭代优化等方法,开发了一套基于机器学习的事中风险控制解决方案。经证实,该模型的AUC为0.972,可提供对欺诈风险的关键洞察力,在几毫秒内识别出欺诈交易,对提升在线数字金融组织的交易内风险管理能力具有重要价值和意义。
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引用次数: 0
Network Pharmacology Study on the Neurotoxic Mechanism of Acorus tatarinowii 大菱鲆神经毒性机制的网络药理学研究
Pub Date : 2023-11-23 DOI: 10.56028/aetr.7.1.647.2023
Chengwei Fang, Xiuping Ma, Ji Meng, Liang Chen
Acorus tatarinowii was a traditional Chinese medicine used to treat neurological diseases such as epilepsy with significant effects. When the oral dosage is too large, it has potential neurotoxic effects. However, the toxicity mechanism is still unclear. In this study network pharmacology methods were used to explore the mechanism of neurotoxicity of Acorus tatarinowii. The results showed that 5 toxic components of Acorus tatarinowii were identified, involving 73 neurotoxic targets. Among them, AKT1, CASP3, PTGS2, ESR1, EGFR, HIF1A, GSK3B, MMP9, SRC, and CCND1 may be key targets for Acorus tatarinowii to exert neurotoxic effects; KEGG pathway analysis found that the neurotoxicity caused by Acorus tatarinowii may be mainly related to Pathways in cancer, Endocrine resistance, and Chemical carcinogenesis-receptor activation. It was found that Acorus tatarinowii may exert neurotoxic effects through multiple components and targets.
石菖蒲是一种传统中药,用于治疗癫痫等神经系统疾病,效果显著。当口服剂量过大时,它有潜在的神经毒性作用。然而,其毒性机制尚不清楚。本研究采用网络药理学方法探讨了唐菖蒲的神经毒性机制。结果表明,鞑靼菖蒲有5种毒性成分,涉及73个神经毒性靶点。其中,AKT1、CASP3、PTGS2、ESR1、表皮生长因子受体、HIF1A、GSK3B、MMP9、SRC和CCND1可能是刺五加发挥神经毒性作用的关键靶点;KEGG通路分析发现,刺五加引起的神经毒性可能主要与癌症通路、内分泌抵抗和化学致癌-受体激活有关。研究发现,刺五加可能通过多种成分和靶点发挥神经毒性作用。
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引用次数: 0
Analysis on the Growth of Shared Bike Users Based on Random Forest Model 基于随机森林模型的共享单车用户增长分析
Pub Date : 2023-11-23 DOI: 10.56028/aetr.7.1.653.2023
Kewei Jiang, Chuanjin Jiang, Wenjun Hou, Yuheng Mo
By analyzing the data set of hourly rental of shared bikes in Washington, D. C., this paper explores how to achieve the growth of shared bike users based on the methods of data mining and visual exploration. In this paper, machine learning models such as ridge regression, lasso regression, support vector machine regression and random forest regression are mainly selected to predict the needs of shared bike users, and then the random forest regression is verified as the optimal model. The result of this article explores the reasonable scheduling of auxiliary resources in the shared bike industry, improves the utilization rate of bicycle resources.
本文通过分析华盛顿特区共享单车时租数据集,基于数据挖掘和可视化探索的方法,探讨如何实现共享单车用户的增长。本文主要选取了脊回归、拉索回归、支持向量机回归和随机森林回归等机器学习模型来预测共享单车用户的需求,然后验证了随机森林回归是最优模型。本文的研究成果探索了共享单车行业辅助资源的合理调度,提高了单车资源的利用率。
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引用次数: 0
The synthesis of acetone from isobutane with the intermediate of di-tert-butyl peroxide 利用二叔丁基过氧化物中间体从异丁烷合成丙酮
Pub Date : 2023-11-21 DOI: 10.56028/aetr.7.1.641.2023
Ning Li, Chunyi Li
Acetone, a widely used chemical raw material, is synthesized by the cumene peroxide method. At present, the cumene peroxide method has the disadvantage of high raw material cost, low flexibility, and complex process. Isobutane as an important C4 resource is mainly used as liquefied gas, which is a waste of fossil resources. Based on that, a novel acetone synthesis method from isobutane with the intermediate of di-tert-butyl peroxide (DTBP) is proposed. The reaction performance of TiO2-S and the optimal reaction condition for isobutane selective oxidation to DTBP is evaluated, and the selectivity to DTBP is 30 wt%. Then, the ZSM-5 is proved as the optimal catalyst for DTBP decomposition and the acetone selectivity is 38 wt% under the optimal reaction condition. In general, isobutane selective oxidation to DTBP which is further catalytic decomposition to acetone is feasible.
丙酮是一种广泛使用的化工原料,其合成方法是过氧化二甲苯法。目前,过氧化二甲苯法存在原料成本高、灵活性低、工艺复杂等缺点。异丁烷作为一种重要的 C4 资源,主要以液化气的形式使用,浪费了化石资源。在此基础上,提出了一种以二叔丁基过氧化物(DTBP)为中间体从异丁烷合成丙酮的新方法。评估了 TiO2-S 的反应性能以及异丁烷选择性氧化为 DTBP 的最佳反应条件,发现 DTBP 的选择性为 30 wt%。然后,ZSM-5 被证明是分解 DTBP 的最佳催化剂,在最佳反应条件下,丙酮的选择性为 38 wt%。总之,异丁烷选择性氧化为 DTBP,然后进一步催化分解为丙酮是可行的。
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引用次数: 0
A Blockchain-Based Intelligent Data Management Platform for Power Grid Applications 基于区块链的电网应用智能数据管理平台
Pub Date : 2023-11-17 DOI: 10.56028/aetr.7.1.634.2023
Lei Zhao, Cheng Zhao, Guangke Wang, Zhanyuan Liu, Xia Tong
With the access of a large number of renewable energy sources in the power system, the increasingly complex power system operations bring considerable safety concerns for data management. While measurement data analytics in the power grid play an important role in different control and alarming applications, smart and reliable data management is required. Blockchain technology is a decentralized database based on cryptography and distributed storage, which is immutable and traceable. This paper analyzes the matching degree between the characteristics of blockchain technology and the demand for measurement data management, showing the advantages of blockchain for power grid data management. In this paper, a data intelligent management platform based on blockchain technology is designed. A standardized interface design of data service is elaborated, and the application scenarios of intelligent data are listed, providing new possibilities for developing advanced applications based on the measurement data.
随着大量可再生能源接入电力系统,日益复杂的电力系统运行给数据管理带来了相当大的安全隐患。电网中的测量数据分析在不同的控制和报警应用中发挥着重要作用,同时也需要智能可靠的数据管理。区块链技术是一种基于密码学和分布式存储的去中心化数据库,具有不可篡改和可追溯的特点。本文分析了区块链技术特点与测量数据管理需求的匹配度,展示了区块链在电网数据管理方面的优势。本文设计了基于区块链技术的数据智能管理平台。阐述了数据服务的标准化接口设计,列举了智能数据的应用场景,为开发基于测量数据的高级应用提供了新的可能。
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引用次数: 0
Hydrate-Based Carbon Dioxide Capture Technology in the Ocean: Research Advances and Challenges 海洋中基于水合物的二氧化碳捕获技术:研究进展与挑战
Pub Date : 2023-11-15 DOI: 10.56028/aetr.8.1.601.2023
Tianqi Liu
The urgent need for emission reduction due to climate change has spurred the development of carbon capture and storage (CCS) technologies, with carbon dioxide (CO2) hydrates emerging as a promising option due to their high storage capacity and cost-effectiveness. This paper provides an overview of the characteristics and formation mechanisms of CO2 hydrates, along with an exploration of mechanical and chemical methods to enhance CO2 hydrate formation. Thermodynamic additives are beneficial for reducing the formation pressure of CO2 hydrate, while mechanical methods and kinetic promoters play a positive role in improving kinetic parameters, especially when both are combined. To investigate the effectiveness of kinetic and thermodynamic promoters, this study explores the impact of various promoters on induction time, formation rate, phase equilibrium, and gas consumption. Additionally, the existing challenges of CO2 hydrate are discussed, and the future research directions are proposed. Based on this study, the hydrate method of CO2 capture technology is expected to assume a crucial role in marine carbon capture technology.
气候变化导致的迫切减排需求推动了碳捕集与封存(CCS)技术的发展,其中二氧化碳(CO2)水合物因其高封存能力和成本效益而成为一种前景广阔的选择。本文概述了二氧化碳水合物的特点和形成机制,并探讨了增强二氧化碳水合物形成的机械和化学方法。热力学添加剂有利于降低二氧化碳水合物的形成压力,而机械方法和动力学促进剂在改善动力学参数方面发挥着积极作用,尤其是当两者结合使用时。为了研究动力学和热力学促进剂的有效性,本研究探讨了各种促进剂对诱导时间、形成速率、相平衡和气体消耗的影响。此外,还讨论了二氧化碳水合物目前面临的挑战,并提出了未来的研究方向。基于本研究,二氧化碳捕获技术的水合物方法有望在海洋碳捕获技术中发挥重要作用。
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引用次数: 0
A Survey:Typical Scenes and Corresponding Technology Challenges in UAM 调查:UAM 的典型场景和相应技术挑战
Pub Date : 2023-11-15 DOI: 10.56028/aetr.8.1.593.2023
Chengxiang Zheng
Urban Air Mobility (UAM) is a new type of transportation delivery system based on highly automated drones operating at low altitude in urban or suburban areas. Aimed at finding out what directions current researches are focusing on and what directions can be considered as the future researches, this study integrates several papers about two typical scenes in UAM including air taxi and air emergency supplies delivery as well as three technological challenges in above scenes to find out what kind of directions are not mentioned. Firstly, we explain the definition of UAM and display a list of real cases of the current situation of UAM development. Secondly, researchers are focusing on the path optimization and single demand on the aircraft. However, they pay less attention on the interactions between the existing systems, and the supporting system also turned out to be a blank research direction. Thirdly, we mentioned three main technological challenges including battery problems, noise problems and non-GPS problems. Not only by giving the reason why those challenges came up, also scholars pointed out some feasible solutions. Finally, it’s evidently that electric Vertical Take-Off and Landing technology (eTVOL) got a batter develop in the UAM. However, researches about mating installations are a few by comparison. Opening up those potential factors in UAM can not only boost the whole system, also it can solve several technological problem.
城市空中交通(UAM)是一种基于高度自动化的无人机在城市或郊区低空飞行的新型交通运送系统。为了了解目前的研究主要集中在哪些方向,以及哪些方向可以作为未来的研究方向,本研究整合了多篇论文,涉及空中出租车和空中紧急物资运送这两个城市空中移动的典型场景,以及上述场景中的三个技术挑战,以了解哪些方向尚未被提及。首先,我们解释了UAM的定义,并列举了UAM发展现状的真实案例。其次,研究人员关注的重点是飞行器的路径优化和单一需求。然而,他们对现有系统之间的相互作用关注较少,配套系统也成为一个空白的研究方向。第三,我们提到了三大技术挑战,包括电池问题、噪声问题和非 GPS 问题。学者们不仅给出了这些挑战出现的原因,还指出了一些可行的解决方案。最后,电动垂直起降技术(eTVOL)在 UAM 中的发展有目共睹。然而,与之相比,有关配套设施的研究却为数不多。开发 UAM 中的这些潜在因素不仅能促进整个系统的发展,还能解决一些技术问题。
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引用次数: 0
Experimental Study on key technologies for risk prevention and control of thallium pollution in A lead-zinc mine wastewater A 铅锌矿废水铊污染风险防控关键技术试验研究
Pub Date : 2023-11-15 DOI: 10.56028/aetr.8.1.631.2023
Yanli Liu, Hongbo Hong, Xiaoyuan Li, Jiyang Qiao, Haomin Wang, Peiliang Shi, Zhilong Zhao, Xinjian Jiang
In order to reduce the environmental risk of thallium pollution by enterprises and determine key technologies for thallium pollution prevention and control, the researcher conducted a deep exploration experiment on thallium removal in the inflow water of a certain lead-zinc mine. The experimental results showed that both sulfide precipitation method and catalytic oxidation & resin adsorption can achieve good thallium removal effect. Based on the actual characteristics of the lead-zinc industry, The author recommends a thallium pollution risk control technology scheme that combines terminal sulfide precipitation and source resin adsorption for thallium removal.
为降低企业铊污染环境风险,确定铊污染防控关键技术,研究人员对某铅锌矿流入水中铊的去除进行了深入探索实验。实验结果表明,硫化物沉淀法和催化氧化与树脂吸附法均能达到较好的除铊效果。根据铅锌行业的实际特点,作者推荐了终端硫化物沉淀和源头树脂吸附相结合的除铊污染风险控制技术方案。
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引用次数: 0
Failure in concrete and methods to improve the performance 混凝土失效及改善性能的方法
Pub Date : 2023-11-15 DOI: 10.56028/aetr.8.1.537.2023
Shiyin Li
This scientific article presents a comparative analysis of two engineering failures caused by concrete deterioration: the collapse of the Champlain Towers South apartment complex in Surfside, Florida, and the failure of the I-35W Mississippi River bridge in Minneapolis. By examining these catastrophic events, this study aims to identify the underlying causes of the concrete failures and draw valuable lessons to prevent similar incidents in the future.
这篇科学文章对两起由混凝土老化引起的工程故障进行了比较分析:佛罗里达州瑟夫赛德的 Champlain Towers South 公寓大楼倒塌和明尼阿波利斯的 I-35W 密西西比河大桥故障。通过研究这些灾难性事件,本研究旨在找出混凝土坍塌的根本原因,并吸取宝贵的经验教训,以防止今后发生类似事件。
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引用次数: 0
Optimal design of medium-buried pipe with horizontal wells 带水平井的中埋管优化设计
Pub Date : 2023-11-15 DOI: 10.56028/aetr.8.1.541.2023
Zhiwei Wang
In this paper, based on the emergence of medium-depth cased buried pipe with horizontal wells, a kind of optimization design for this buried pipe is designed. Firstly, a semi-analytical model and related evaluation indexes are established for the model, and three different schemes are used for simulation and comparison, which are: changing the inner and outer diameters of the buried pipe at the same time, changing the outer pipe diameter while keeping the inner pipe diameter unchanged, and changing the inner pipe diameter while keeping the outer pipe diameter unchanged, which are of great significance for the optimization of the design of the new type of buried pipe. In this paper, the establishment of the model mainly adopts the establishment and discretization of the energy equation of heat transfer and uses Fortran software to realize. Ultimately this paper comprehensively consider its temperature distribution, heat storage capacity and its economic type, can be concluded that the above three options in option two of the investment is relatively small, the temperature enhancement is more significant. The results and conclusions of the optimization are very helpful for the optimal design of this kind of buried pipe.
本文基于水平井中深套管埋管的出现,设计了一种针对该埋管的优化设计方案。首先,针对该模型建立了半解析模型及相关评价指标,并采用三种不同的方案进行模拟对比,分别为:同时改变埋管内外径、改变外管直径而保持内管直径不变、改变内管直径而保持外管直径不变,这三种方案对于新型埋管的优化设计具有重要意义。本文模型的建立主要采用传热能量方程的建立和离散化,并利用 Fortran 软件实现。最终本文综合考虑其温度分布、蓄热能力及其经济类型,可以得出以上三种方案中方案二的投资相对较小,温度提升较为显著。优化的结果和结论对于这种地埋管的优化设计是非常有帮助的。
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引用次数: 0
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Advances in Engineering Technology Research
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