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Performance Evaluation of Fishery Logistics Systems at the Port of the Marine Toll Network Dobo Port, Maluku 马鲁古多博港海洋收费网络港口渔业物流系统性能评估
Pub Date : 2024-07-10 DOI: 10.47191/etj/v9i07.05
Hadi sholekhan Arif, Mustaruddin Mustaruddin, Hoetomo Lembito
The Sea Toll Program is a program organized by the government with the aim of increasing connectivity between islands in Indonesia, increasing distribution and maintaining the availability of basic necessities and important goods, thereby reducing price disparities across all islands. The Maluku Islands, especially Dobo port, is one of the regions in Indonesia that is rich in fish production and is also traversed by the Sea Toll program. Researchers want to see whether the Sea Toll program can support and synergize with the SLIN (National Fish Logistics System) program by measuring the fish logistics performance index (IKLI) at Dobo Port. The data collection technique was carried out using a purposive sampling technique with a questionnaire method. A total of 13 respondents were interviewed and the results of the fish logistics performance index at Dobo Port were 56.1%. Based on the ordinal scale, the IKLI value in Pel Dobo is sufficient but not optimal. There are three lowest dimensions that need to be improved so that the marine highway program in Pel Dobo can improve, namely the management dimension of fish procurement, the benefits dimension and the governance dimension.
海上收费计划是政府组织的一项计划,旨在加强印度尼西亚各岛屿之间的连通性,增加基本生活必需品和重要商品的流通和供应,从而缩小各岛屿之间的价格差距。马鲁古群岛,尤其是多博港,是印尼鱼类生产丰富的地区之一,也是海上收费计划的必经之地。研究人员希望通过测量多博港的水产品物流绩效指数(IKLI),了解海上收费计划是否能够支持并协同国家水产品物流系统(SLIN)计划。数据收集技术采用了目的性抽样技术和问卷调查法。共对 13 名受访者进行了访谈,结果显示多博港的水产品物流绩效指数为 56.1%。根据顺序量表,多博港的 IKLI 值是足够的,但不是最佳的。为了改善多博港的海洋高速公路项目,有三个最低维度需要改进,即水产品采购的管理维度、效益维度和治理维度。
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引用次数: 0
Validation of the simulation implant design approach based on ct scan images and the biomechanical performance response of rehabilitated skull bones 验证基于 CT 扫描图像的模拟植入物设计方法和康复颅骨的生物力学性能响应
Pub Date : 2024-07-10 DOI: 10.30684/etj.2024.148915.1735
N. Obaeed, Wisam Hamdan
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引用次数: 0
A comprehensive review of the hybrid heating systems consisting of heat pumps and solar collectors for hot water and space heating application 热泵和太阳能集热器组成的混合供暖系统在热水和空间供暖应用方面的全面回顾
Pub Date : 2024-07-09 DOI: 10.30684/etj.2024.146976.1696
Ghazwan Mohammed, Ahmed Saleh, Abdul Hadi Khalifa
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引用次数: 0
Investigation of Influence of Variations of Ageing Conditions on Aluminium-Silicon: Pathway to Tailored Mechanical Properties 研究老化条件变化对铝硅的影响:获得定制机械性能的途径
Pub Date : 2024-07-03 DOI: 10.47191/etj/v9i07.02
Tommy, S. D., Onah, T. O., Aka, C. C.
This study focuses on the investigation of the influence of the variations of ageing conditions on the mechanical properties of ferrosilicon-silicon carbide reinforced Aluminium metal matrix composites. The ageing temperature, reinforcement percentage volume fractions and ageing time of the composite were systematically varied during fabrication stages by keeping the Aluminium and Ferrosilicon compositions constant while varying the percentage volume fractions of Silicon Carbide (SiC). The samples produced were machined into hardness, impact and tensile tests specimens. Then the specimens were subjected to laboratory based accelerated solution heat treatment, quenching and artificial ageing. Array of comprehensive mechanical properties examination and characterization in line with the appropriate specifications of the American Society for Testing and Materials Standard manuals were conducted to determine the influence of ageing on the material’s strength, hardness, impact toughness and stress-strain characteristics. The study revealed significant enhancement in the mechanical properties of the material and the findings would provide valuable insight into the ageing behaviour of Aluminium-Silicon, thus, enabling the optimization of the material’s performance for use in diverse engineering applications.
本研究的重点是调查老化条件的变化对硅铁-碳化硅增强铝金属基复合材料机械性能的影响。通过保持铝和硅铁成分不变,同时改变碳化硅(SiC)的体积分数百分比,在制造阶段系统地改变了复合材料的老化温度、增强体体积分数百分比和老化时间。生产出的样品被加工成硬度、冲击和拉伸测试试样。然后对试样进行实验室加速固溶热处理、淬火和人工老化。根据美国材料与试验协会标准手册的相关规范,进行了一系列全面的机械性能检查和表征,以确定时效对材料强度、硬度、冲击韧性和应力应变特性的影响。研究结果表明,材料的机械性能明显增强,这些发现将为了解铝硅材料的老化行为提供宝贵的信息,从而优化材料的性能,使其能用于各种工程应用。
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引用次数: 0
Numerical Modeling of Reservoir Rock Treatment Processes with Polyacrylamide 利用聚丙烯酰胺对储层岩石处理过程进行数值建模
Pub Date : 2024-07-03 DOI: 10.47191/etj/v9i07.01
Mihaela Helstern, Doru Stoianovici, T. Chiş
Increasing the quantities of crude oil extracted from depleted deposits can be achieved using tertiary exploitation methods, namely water injection and polyacrylamide plugs. The adsorption on the surface of the rocks determined the reduction of the mobility of the polymer but also the modification of the gel structure by the modification (crossing) of the polymer (of the polymer chains), which led to clogging (blocking of the pores) and increasing the possibility of fluid flow. Polyacrylamide as a polymer to improve the final recovery factor aims to achieve a good flow of crude oil. In this article, the equations of polymer flow through sands and limestones have been established.
利用三次开采方法,即注水和聚丙烯酰胺塞,可以提高枯竭矿床的原油开采量。岩石表面的吸附作用不仅会降低聚合物的流动性,还会通过聚合物(聚合物链)的改性(交叉)改变凝胶结构,从而导致堵塞(堵塞孔隙),增加流体流动的可能性。聚丙烯酰胺作为一种提高最终采收率的聚合物,旨在实现原油的良好流动。本文建立了聚合物在砂岩和石灰岩中的流动方程。
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引用次数: 0
Characterization of Humic Acid Using E4/E6 Ratio in Various Land Uses in Jatiarjo Village, Prigen District, Pasuruan 利用 E4/E6 比值分析帕苏鲁安普里根县 Jatiarjo 村各种土地利用中腐植酸的特征
Pub Date : 2024-06-10 DOI: 10.47191/etj/v9i06.01
Hammada H., W. Mindari, Rossyda Priyadarshini
Different land uses can influence the characteristics of humic acid in the soil. The study aimed to characterize humic acid in soil from various land uses in Jatiarjo Village, Prigen Distict, Pasuruan Regency of East Java. Soil sampling was carried out on three land uses, namely mixed gardens, bush lands, and dry lands. Sampling was carried out using the purposive random sampling method, where seven points were taken in each land use. Analysis of soil samples included soil chemical characteristics (pH, organic-C, and CEC) and characterization of humic acid using E4/E6 ratio. The results showed that the land use of bush land provided the best soil fertility indicated by the content of humic acid and C-organic in the soil that were higher than that of other land uses. All land uses in Jatiarjo Village, Pasuruan have advanced humification levels, as evidenced by low E4/E6 ratio values (<5).
不同的土地用途会影响土壤中腐植酸的特性。本研究旨在分析东爪哇 Pasuruan 县 Prigen 区 Jatiarjo 村不同土地用途土壤中腐植酸的特征。土壤采样在三种土地用途上进行,即混合花园、灌木林地和旱地。采样采用目的性随机抽样法,在每种土地用途中抽取 7 个点。土壤样本分析包括土壤化学特征(pH 值、有机碳和 CEC)以及腐殖酸的 E4/E6 比值。结果表明,灌木林地的土壤肥力最好,土壤中腐殖酸和有机碳的含量高于其他土地用途。Pasuruan 地区 Jatiarjo 村的所有土地利用方式都具有较高的腐殖化水平,这从 E4/E6 比率值较低 (<5) 可以看出。
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引用次数: 0
Application of Human Activity Recognition in Supermarkets with Human Pose Estimation 利用人体姿态估计在超市中应用人体活动识别技术
Pub Date : 2024-06-10 DOI: 10.47191/etj/v9i06.02
Evander Christian Dumalang, Roberto Davin, Lina Lina
Human Activity Recognition is the ability to interpret human body movements or movements through sensors and to determine human activities or actions. Most everyday human tasks can be simplified or automated if they can be identified through an activity management system. The introduction of human activities in supermarkets has many benefits in its development, such as Just Walk Out technologies such as Amazon Go and the prevention of theft of goods. Proposed research with the theme of human activity recognition that has a focus on supermarkets. The methods that will be used in this research are Human Pose Estimation and Random Forest Classifier with data collected from the internet. The designed application will first detect skeletons with Blazepose from human objects, which will then be classified by the Random Forest Classifier. Activities that can be classified by the designed application are standing, walking, and fetching. The output of the application is a classification of activities carried out in real-time with the camera. The test results on the training data get an accuracy value of 100%, precision of 100%, recall of 100%, and F1-Score of 100%. Using the test data produces a confusion matrix which shows that the model being trained has an accuracy value of 100%, precision of 100%, recall of 100%, and an F1-Score of 100%.
人类活动识别是指通过传感器解读人体动作或运动,并确定人类活动或行动的能力。如果能够通过活动管理系统对人类的大多数日常任务进行识别,那么这些任务就可以被简化或自动化。在超市中引入人类活动对其发展有很多好处,例如 Just Walk Out 技术(如 Amazon Go)和防止货物失窃。拟议的研究主题是人类活动识别,重点是超市。本研究将使用的方法是人体姿态估计和随机森林分类器,数据收集自互联网。所设计的应用程序将首先用 Blazepose 从人类物体中检测骨骼,然后用随机森林分类器进行分类。设计的应用程序可对站立、行走和取物等活动进行分类。应用程序的输出结果是通过摄像头对实时进行的活动进行分类。对训练数据的测试结果是准确率 100%、精确率 100%、召回率 100%、F1 分数 100%。使用测试数据生成的混淆矩阵显示,正在训练的模型准确率为 100%,精确率为 100%,召回率为 100%,F1 分数为 100%。
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引用次数: 0
Determination of the Geoid Heights of Awka and Environ from the Satellite Altimetry data using Broadview RADAR Altimeter Toolbox (BRAT) and Sentinel-3 Missions 利用 Broadview RADAR Altimeter Toolbox (BRAT) 和 Sentinel-3 任务从卫星测高数据确定阿沃卡和环境的大地水准面高度
Pub Date : 2024-06-10 DOI: 10.47191/etj/v9i06.03
Godwin-Nwankwo O. L., Ono M. N., Eteje S. O.
Satellite altimetry has revolutionized our ability to measure Earth's surface with unprecedented accuracy, offering invaluable insights into various geophysical phenomena. This study presents the determination of geoid heights (Ns) of Awka and Environ utilizing the Broadview RADAR Altimeter Toolbox (BRAT) in conjunction with data from the Sentinel-3 missions. The geoid, a surface of constant gravitational potential representing mean sea level, is a fundamental reference surface for geodetic measurements and understanding Earth's gravity field. The methodology involves processing raw altimetry data acquired by the Sentinel-3 missions using BRAT, followed by precise corrections for various factors affecting the altimeter measurements, such as atmospheric delays, sea state bias, and orbit errors. Subsequently, the derived SSH data are combined with precise geoid models to compute the geoid heights at different spatial resolutions. The results demonstrate the effectiveness of the approach in determining geoid height (N) with high precision and spatial resolution, offering valuable contributions to geodetic research and applications. The utilization of Sentinel-3 data combined with BRAT facilitates robust and accurate geoid determination, which is essential for a wide range of geospatial applications, including oceanography, geophysics, and climate studies. The integration of BRAT and Sentinel-3 missions offers a powerful tool for geodetic research and applications, contributing to our understanding of Earth's dynamic processes and improving the accuracy of geospatial measurements.
卫星测高彻底改变了我们以前所未有的精度测量地球表面的能力,为我们深入了解各种地球物理现象提供了宝贵的资料。本研究利用 Broadview RADAR Altimeter Toolbox (BRAT) 和 Sentinel-3 任务的数据,测定了阿沃卡和环境的大地水准面高度(Ns)。大地水准面是代表平均海平面的恒定重力势能面,是大地测量和了解地球重力场的基本参考面。该方法包括使用 BRAT 处理哨兵-3 任务获取的原始测高数据,然后对影响测高仪测量的各种因素(如大气延迟、海况偏差和轨道误差)进行精确修正。随后,将得出的 SSH 数据与精确的大地水准面模型相结合,计算出不同空间分辨率下的大地水准面高度。结果表明,该方法能有效确定高精度和高空间分辨率的大地水准面高度(N),为大地测量研究和应用做出了宝贵贡献。将哨兵-3 数据与 BRAT 结合使用有助于稳健而准确地确定大地水准面,这对于包括海洋学、地球物理学和气候研究在内的广泛地球空间应用至关重要。BRAT 和哨兵-3 任务的整合为大地测量研究和应用提供了一个强大的工具,有助于我们了解地球的动态过程,提高地球空间测量的准确性。
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引用次数: 0
Speech Cloning: Text-To-Speech Using VITS 克隆语音:使用 VITS 进行文本到语音的转换
Pub Date : 2024-05-24 DOI: 10.47191/etj/v9i05.10
Dr. Padmanaban R
Voice is one of the most common and natural communication methods for humans. Voice is becoming the primary interface for AI voice assistants like Amazon Alexa, as well as in autos and smart home devices. Homes and so on. As human-machine communication becomes more common, researchers are exploring technology that mimics genuine speech. Speech cloning is the practice of copying or mimicking another person's speech, usually utilizing modern technology and artificial intelligence (AI). This entails producing a synthetic or cloned version of someone's voice that sounds very similar to the actual speaker. The objective is to produce speech that is indistinguishable from the genuine person, both in tone and intonation. Instant Voice Cloning (IVC) in text-to-speech (TTS) synthesis refers to the TTS model's capacity to copy the voice of any reference speaker based on a short audio sample, without requiring extra speaker-specific training. This method is usually referred to as zero-shot TTS. IVC provides users with the flexibility to tailor the generated voice, offering significant value across diverse real-world applications. Examples include media content creation, personalized chatbots, and multi-modal interactions between humans and computers or extensive language models.
语音是人类最常见、最自然的交流方式之一。语音正在成为亚马逊 Alexa 等人工智能语音助手以及汽车和智能家居设备的主要界面。家庭等等。随着人机交流变得越来越普遍,研究人员正在探索模仿真实语音的技术。语音克隆是复制或模仿他人语音的做法,通常利用现代技术和人工智能(AI)。这就需要制作一个合成或克隆版本的某人的声音,听起来与实际说话者非常相似。这样做的目的是使语音在音调和语调上与真人无异。文本到语音(TTS)合成中的即时语音克隆(IVC)是指 TTS 模型能够根据简短的音频样本复制任何参考说话人的声音,而不需要额外的针对说话人的训练。这种方法通常被称为零镜头 TTS。IVC 为用户提供了定制生成语音的灵活性,为各种实际应用提供了重要价值。例如,媒体内容创建、个性化聊天机器人、人与计算机或大量语言模型之间的多模式交互。
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引用次数: 0
Analyzing the Energy Consumption of Smart Home and Price Prediction 智能家居能耗分析与价格预测
Pub Date : 2024-05-24 DOI: 10.47191/etj/v9i05.09
Milka Kutseva
This paper describes a system that is used to gather data from Smart Home sensors measuring energy consumption, analyze and predict future consumption by using machine learning algorithm for prediction. It focuses on the architecture of the system as well as the need for such system to exist in practice – why the consumption should be measured at all and how that measurement can be put to good use for achieving energy efficiency.
本文介绍了一个系统,该系统用于从测量能耗的智能家居传感器收集数据,并利用机器学习算法分析和预测未来的能耗。本文重点介绍了系统的架构以及此类系统在实践中存在的必要性--为什么要测量能耗,以及如何将测量结果很好地用于实现能源效率。
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引用次数: 0
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