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Comparative analysis between spectral indices obtained in the Guangüiltagua metropolitan park in Quito – Ecuador, using remote sensing 利用遥感技术对厄瓜多尔基多广居尔塔瓜大都会公园获得的光谱指数进行比较分析
Pub Date : 2024-02-03 DOI: 10.51798/sijis.v5i1.732
JaimeVladimir Sancho Zurita, Robert Augusto Samaniego Garrido, Mónica Paola Sancho Solano, Ximena Luz Crespo Núñez
The article presents an exhaustive comparative analysis of NDVI, SAVI and NDWI spectral indices, extracted from satellite images of the Guangüiltagua Metropolitan Park in Quito. The relevance of remote sensing, using satellites such as Sentinel-2, in the monitoring of biodiversity and environmental conditions is highlighted. The research emphasizes the importance of vegetation indices, especially NDVI, to assess vegetation health and detect changes in vegetation cover. The study discusses in detail vegetation sensitivity, water identification, water stress response, soil effect compensation, and specific applications of NDVI, SAVI, and NDWI. The ability of these indices to provide crucial information on ecosystem health, water presence, and potential water stress conditions in Metropolitan Park is highlighted. The methodology applied involves the use of the Copernicus platform and the Sentinel-2 satellite, with radiometric and geometric correction procedures, as well as atmospheric correction. The results obtained reveal high NDVI values, indicating a dense vegetation cover, while NDWI suggests potential areas of water scarcity. The comparative analysis between the indices offers a deeper understanding of the relationship between vegetation and water in the park.
文章对从基多 Guüiltagua Metropolitan 公园卫星图像中提取的 NDVI、SAVI 和 NDWI 光谱指数进行了详尽的比较分析。研究强调了利用哨兵-2 号等卫星进行遥感在监测生物多样性和环境状况方面的意义。研究强调了植被指数,特别是净植被指数对评估植被健康状况和检测植被变化的重要性。研究详细讨论了植被敏感性、水分识别、水胁迫反应、土壤效应补偿以及 NDVI、SAVI 和 NDWI 的具体应用。重点介绍了这些指数提供有关大都会公园生态系统健康、水存在和潜在水压力状况的重要信息的能力。采用的方法包括使用哥白尼平台和哨兵-2 号卫星,并进行辐射和几何校正程序以及大气校正。结果显示,NDVI 值较高,表明植被茂密,而 NDWI 则表明可能存在缺水的区域。通过对这些指数进行比较分析,可以更深入地了解公园内植被与水之间的关系。
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引用次数: 0
Comparative analysis between spectral indices obtained in the Guangüiltagua metropolitan park in Quito – Ecuador, using remote sensing 利用遥感技术对厄瓜多尔基多广居尔塔瓜大都会公园获得的光谱指数进行比较分析
Pub Date : 2024-02-03 DOI: 10.51798/sijis.v5i1.732
JaimeVladimir Sancho Zurita, Robert Augusto Samaniego Garrido, Mónica Paola Sancho Solano, Ximena Luz Crespo Núñez
The article presents an exhaustive comparative analysis of NDVI, SAVI and NDWI spectral indices, extracted from satellite images of the Guangüiltagua Metropolitan Park in Quito. The relevance of remote sensing, using satellites such as Sentinel-2, in the monitoring of biodiversity and environmental conditions is highlighted. The research emphasizes the importance of vegetation indices, especially NDVI, to assess vegetation health and detect changes in vegetation cover. The study discusses in detail vegetation sensitivity, water identification, water stress response, soil effect compensation, and specific applications of NDVI, SAVI, and NDWI. The ability of these indices to provide crucial information on ecosystem health, water presence, and potential water stress conditions in Metropolitan Park is highlighted. The methodology applied involves the use of the Copernicus platform and the Sentinel-2 satellite, with radiometric and geometric correction procedures, as well as atmospheric correction. The results obtained reveal high NDVI values, indicating a dense vegetation cover, while NDWI suggests potential areas of water scarcity. The comparative analysis between the indices offers a deeper understanding of the relationship between vegetation and water in the park.
文章对从基多 Guüiltagua Metropolitan 公园卫星图像中提取的 NDVI、SAVI 和 NDWI 光谱指数进行了详尽的比较分析。研究强调了利用哨兵-2 号等卫星进行遥感在监测生物多样性和环境状况方面的意义。研究强调了植被指数,特别是净植被指数对评估植被健康状况和检测植被变化的重要性。研究详细讨论了植被敏感性、水分识别、水胁迫反应、土壤效应补偿以及 NDVI、SAVI 和 NDWI 的具体应用。重点介绍了这些指数提供有关大都会公园生态系统健康、水存在和潜在水压力状况的重要信息的能力。采用的方法包括使用哥白尼平台和哨兵-2 号卫星,并进行辐射和几何校正程序以及大气校正。结果显示,NDVI 值较高,表明植被茂密,而 NDWI 则表明可能存在缺水的区域。通过对这些指数进行比较分析,可以更深入地了解公园内植被与水之间的关系。
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引用次数: 0
Preferences towards artificial intelligence in Ecuadorian university professors 厄瓜多尔大学教授对人工智能的偏好
Pub Date : 2024-02-02 DOI: 10.51798/sijis.v5i1.730
Viviana Vanessa Aparicio-Izurieta
The general objective of this research was to analyze the preferences towards Artificial Intelligence (AI) in university professors in Ecuador, particularly those who teach the subject of Microeconomics. The methodology used was quantitative, descriptive, field-typed, and non-experimental, based on documentary research. The population consisted of 25 teachers from three state universities in the city of Guayaquil, Ecuador. The data collection technique was the survey and the instrument was a questionnaire of closed questions, which was applied through the Google Forms platform. The results found indicate that a large majority know about the use of AI in higher education; they also consider that the benefits that AI brings to education are to improve teaching, a large percentage indicated not to use AIs to teach Microeconomics, a small number of teachers who use AI, do it for data analysis through Machine Learning, the fact of the little use of this technology among teachers is mainly due to the absence of university policies on the use of artificial intelligence. Among the conclusions, the formulation of educational policies oriented to the implementation of artificial intelligence in Ecuadorian universities, the adaptation of infrastructure, and the investment of resources for this purpose are considered essential, as well as the training of teaching staff to take full advantage of this technology that is already a reality in many national and international contexts.
本研究的总体目标是分析厄瓜多尔大学教授对人工智能(AI)的偏好,尤其是教授微观经济学的教授。采用的方法是定量、描述性、实地类型和非实验性的,以文献研究为基础。研究对象包括厄瓜多尔瓜亚基尔市三所国立大学的 25 名教师。数据收集技术为调查,工具为封闭式问题问卷,通过谷歌表格平台进行。调查结果表明,绝大多数人知道人工智能在高等教育中的应用;他们还认为人工智能给教育带来的好处是改善教学,很大一部分人表示不使用人工智能教授微观经济学,少数使用人工智能的教师通过机器学习进行数据分析,教师很少使用这项技术的主要原因是大学没有制定使用人工智能的政策。在结论中,制定厄瓜多尔大学实施人工智能的教育政策、调整基础设施、为此投入资源,以及培训教学人员以充分利用这项在许多国家和国际背景下已经成为现实的技术,都被认为是至关重要的。
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引用次数: 0
Macroeconomic trends: a brief statistical analysis of economic indicators for Ecuadorian credit unions 宏观经济趋势:厄瓜多尔信用社经济指标简要统计分析
Pub Date : 2024-02-02 DOI: 10.51798/sijis.v5i1.731
Oscar Oswaldo Lucas Mantuano
The purpose of this article is to evaluate the financial relevance of the economic sector in the profitability of credit unions. Information from the financial statements of 105 credit unions out of a total of 451 credit unions registered as of 2022 in Ecuador was used. The methodology used involved descriptive and inferential statistical analysis. Normality tests and the Kruskal-Wallis hypothesis test were performed to determine statistical significance in relation to profitability. The results of the descriptive analysis indicated that the financial indicators, such as liquidity, portfolio turnover, indebtedness, and profitability, were favorable for the cooperatives. In the inferential analysis, the profitability indicators complied with the assumptions of normality. In addition, it was found that there were no significant differences between these indicators in relation to the economic sectors. In conclusion, the inferential analysis revealed that financial profitability, which is linked to the investments made, is similar among credit unions, regardless of the economic sector to which they belong.
本文旨在评估经济部门在信用社盈利能力中的财务相关性。本文使用了截至 2022 年在厄瓜多尔注册的 451 家信用社中 105 家信用社的财务报表信息。所使用的方法包括描述性和推论性统计分析。进行了正态性检验和 Kruskal-Wallis 假设检验,以确定与盈利能力有关的统计意义。描述性分析的结果表明,流动性、投资组合周转率、负债率和盈利能力等财务指标对合作社有利。在推理分析中,盈利能力指标符合正态性假设。此外,还发现这些指标与经济部门之间没有显著差异。总之,推理分析表明,与投资相关的财务盈利能力在信用社中是相似的,无论它们属于哪个经济部门。
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引用次数: 0
Production of cookies with partial substitution of wheat flour for pole bean and castilla bean flour 用杆豆和卡斯蒂利亚豆粉部分替代小麦粉生产饼干
Pub Date : 2024-01-29 DOI: 10.51798/sijis.v5i1.725
Freddy Quiroz Ponce, Allisson Eliana Párraga Bateoja, Maruja Esmeraldas Ponce Navarrete
Background: The substitution of flours was proposed to determine which is more suitable for cookie production, utilizing the processing of pole and castilla beans. Methods: A randomized design (DCA) was used to create 8 treatments and a control, applying substitution percentages of 10%, 20%, 30%, and 40%. Treatments were sensorially evaluated by a panel of 30 untrained judges, followed by statistical analysis. Results: The treatment containing 40% castilla bean flour and 60% wheat flour was best rated with the following means: 3.70 in color, 3.70 in aroma, 3.77 in taste, and 3.83 in texture. Physicochemical tests resulted in carbohydrate content of 53.81%, ash content of 0.93%, fiber content of 1.90%, fat content of 23.15%, moisture content of 10.03%, protein content of 12.08%, and a pH of 6.74. The product did not exceed the maximum limits set by the INEN 2085 standard. Conclusions: It was identified that the combination of castilla bean and wheat flour is beneficial for enhancing the nutritional contribution in cookie production, rendering them suitable for human consumption.
背景:为了确定哪种面粉更适合利用杆豆和卡斯蒂利亚豆加工饼干,提出了面粉替代品的建议。方法:采用随机设计法(DCA)创建 8 个处理和一个对照:采用随机设计(DCA)创建了 8 个处理和一个对照,替代比例分别为 10%、20%、30% 和 40%。由 30 名未经培训的评委组成的小组对处理进行感官评估,然后进行统计分析。结果含有 40% 卡斯蒂利亚豆粉和 60% 小麦粉的处理方法获得了最佳评价,其平均值如下:色泽 3.70,香气 3.70,味道 3.77,口感 3.83。理化测试结果显示,碳水化合物含量为 53.81%,灰分含量为 0.93%,纤维含量为 1.90%,脂肪含量为 23.15%,水分含量为 10.03%,蛋白质含量为 12.08%,pH 值为 6.74。该产品未超出 INEN 2085 标准规定的最高限值。结论研究发现,卡斯蒂利亚豆和小麦粉的组合有利于提高饼干生产中的营养成分,使其适合人类食用。
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引用次数: 0
Nursing care management in primary health care 初级保健中的护理管理
Pub Date : 2024-01-24 DOI: 10.51798/sijis.v5i1.722
Catalina Fernanda Nuela Masaquiza, Adriana del Rocío Lascano Sánchez, Anderson José Sangacha Yugsi, Cinthya Anabel Ortiz Martinez, Diana Nathalie Navarrete Tinajero, Gissel Katherine Carvajal Chango
Background: Nursing management in PHC is essential to achieve quality care and patient satisfaction. Objective: Analyze the management of nursing care in Primary Health Care. Methods: Qualitative and descriptive approach, semi-structured interviews were carried out with a group of male and female nurses who work at the PHC level. The interviews focused on exploring their perceptions and experiences in relation to nursing management. The data obtained were analyzed using content analysis to identify emerging themes and patterns. Results: They revealed several interesting perspectives on nursing management in the context of PHC, solid cognitive and attitudinal competencies to face the challenges of work, and highlighted the need to practice compassion as an integral part of nursing care in this environment. Conclusions: It is vitally important to strengthen and support nursing staff in the management of primary health care, emphasizing the need to promote training and professional development in these areas to improve the quality of care and outcomes. health in the Primary Health Care.
背景:初级保健中心的护理管理对实现优质护理和患者满意度至关重要。目标分析初级卫生保健中的护理管理。方法采用定性和描述性方法,对在初级保健中心工作的男女护士进行了半结构化访谈。访谈的重点是探讨他们对护理管理的看法和经验。采用内容分析法对获得的数据进行分析,以确定新出现的主题和模式。结果:访谈揭示了在初级保健中心环境下护理管理的几个有趣视角、面对工作挑战的扎实认知和态度能力,并强调了在这种环境下将同情心作为护理工作不可或缺的一部分的必要性。结论:加强和支持护理人员对初级卫生保健的管理至关重要,强调需要促进这些领域的培训和专业发展,以提高护理质量和成果。
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引用次数: 0
Comparison of bit error rate (BER) in multipath phenomena Rayleigh and Rician using QPSK modulation in Multiple Input Multiple Output (MIMO) systems 多输入多输出 (MIMO) 系统中使用 QPSK 调制的多径现象瑞利(Rayleigh)和瑞琴(Rician)误码率 (BER) 比较
Pub Date : 2024-01-21 DOI: 10.51798/sijis.v5i1.721
Luis Gonzalo Santillán-Valdiviezo, Paulina Sofía Valle-Oñate, Jesús Alberto Rodriguez-Flores, Miltón Paul López-Ramos, Miryan Estela Narvaez-Vilema
In wireless communications, there are Rician and Rayleigh multipath phenomena, which can cause destructive interference caused by a strong dominant component. The objective of the study is to analyze how these multipath phenomena affect the Bit Error Rate (BER), using phase shift keying (QPSK), as well as 5G Multiple Input Multiple Output (MIMO) technology to reduce or not the effect of fading to improve the BER. For the present study, the quantitative method is used to measure BER by comparative simulations of Rician and Rayleigh phenomena using different MIMO antenna configuration schemes using Matlab software. When comparing the multipath Rician and Rayleigh phenomena with QPSK modulation, it was determined that the most efficient channel is the Rician channel, since the BER is lower, performing a 4x4 MIMO antenna configuration. However, this efficiency may change if another type of modulation is used, which implies reducing the bit rate causing a reduction in bandwidth.
在无线通信中,存在瑞利(Rician)和瑞利(Rayleigh)多径现象,这些现象会造成由强主导成分引起的破坏性干扰。本研究的目的是分析这些多径现象如何影响误码率(BER),利用相移键控(QPSK)以及 5G 多输入多输出(MIMO)技术来减少或消除衰落的影响,从而提高误码率。在本研究中,使用 Matlab 软件对不同 MIMO 天线配置方案下的瑞利和瑞利现象进行比较模拟,采用定量方法测量误码率。在比较采用 QPSK 调制的多径 Rician 和 Rayleigh 现象时,确定最有效的信道是 Rician 信道,因为采用 4x4 MIMO 天线配置时误码率较低。不过,如果使用另一种调制方式,这种效率可能会发生变化,这意味着降低比特率会导致带宽减少。
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引用次数: 0
Beyond body and mind: psychology and the unity of the human person in Aquinas 超越身心:阿奎那的心理学与人的统一性
Pub Date : 2024-01-15 DOI: 10.51798/sijis.v5i1.689
Anthony Athanasius Udoh
AbstractHuman persons are at once simple and complex: simple, because they possess a unified and indivisible essence in the form of the soul; and, complex, since this immaterial soul is conjoined to a material body, accounting for the human whole. This paper highlights the nature of this union and explores the psychology of the human person based on Thomistic philosophical tradition. Our thesis is that Aquinas’s hylomorphism, which counters in advance the claims of Descartes on human identity, offers a comprehensive understanding of the human person and provides a robust foundation that understands the human person as transcending the limitations of body and mind, and this has implications for philosophical, psychological and scientific enquiries.
摘要 人既简单又复杂:简单是因为他们拥有一个统一而不可分割的本质--灵魂;复杂是因为这个非物质的灵魂与物质的身体结合在一起,构成了人的整体。本文强调了这种结合的本质,并基于托马斯哲学传统探讨了人的心理。我们的论点是,阿奎那的同构论提前反驳了笛卡尔关于人的特性的主张,提供了对人的全面理解,并为理解人超越身体和心灵的限制提供了坚实的基础,这对哲学、心理学和科学研究都有影响。
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引用次数: 0
Robotic Process Automation (RPA) as a technological tool for automating the execution of audits 机器人流程自动化 (RPA) 作为自动化审计执行的技术工具
Pub Date : 2023-12-26 DOI: 10.51798/sijis.v4i4.658
Jefferson Humberto Figueroa Moreno, Gustavo Darío Robles Quiñónez, Fanny Graciela Egas Moreno, Luis Aldimir Canchingre Bone
The purpose of the research was to analyze the Robotic Automation of Processes as a technological tool aimed at automating auditing processes. It is a technological alternative that uses robots called bots, which are configured in a simple way and enable a digital transformation in which they can learn and imitate tasks, which are then executed automatically. Regarding the study methodology, it was a documentary research, carried out through a review of documents, scientific articles, research, web pages, among other sources. Among the main audit activities that can be performed with the application of robotic automation of processes are identified reconciliations, queries to identify the accounts to be reconciled, trial balances, list of transactions, comparison of the lists with the consolidated reports. Similarly, analytical processes can be performed, such as starting the session with working papers of previous audits, queries to identify audited amounts; internal control processes such as population tests, purchase orders, documents and invoices, verification of prices against quantity of items, generating alerts when deviations occur. Finally, there are several advantages of this technology, such as the possibility of performing advanced data analysis, considerable reduction of audit costs, due to the reduction of human errors and therefore greater productivity, since the optimization of processes allows the staff assigned to the execution of the audit to focus their efforts on more strategic activities, such as the preparation of the final audit report.
研究的目的是分析 "流程机器人自动化 "这一旨在实现审计流程自动化的技术工具。它是一种技术替代方案,使用被称为 "机器人 "的机器人,以简单的方式进行配置,实现数字化转型,使其能够学习和模仿任务,然后自动执行。关于研究方法,这是一项文献研究,通过审查文件、科学文章、研究、网页等来源进行。应用机器人自动化流程可执行的主要审计活动包括:已确定的对账、确定待对账账户的查询、试算表、交易清单、清单与合并报告的比较。同样,还可以执行分析程序,如从以前审计的工作文件开始,查询确定审计金额;内部控制程序,如人口测试、定购单、单据和发票,根据项目数量核实价格,出现偏差时发出警报。最后,这项技术还有几个优点,如可以进行高级数据分析,由于减少了人为错误,大大降低了审计成本,从而提高了生产率,因为优化流程可以让负责执行审计的工作人员将精力集中在更具战略性的活动上,如编写最终审计报告。
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引用次数: 0
Importance of the psychological nursing approach in pre-surgical adult patients 对手术前成人患者采取心理护理方法的重要性
Pub Date : 2023-12-26 DOI: 10.51798/sijis.v4i4.716
Cinthya Anabel Ortiz Martinez, Sofía Belén Guzmán Córdova, Steven Julian Gualpa Orozco , Mercedes Andrea Quispe Acosta, María Fernanda Navas Valdez
Introduction: Psychological preparation in the patient is very important before the surgical intervention regardless of the diagnosis and procedure to be performed, in this way it helps to reduce the degree of anxiety, fear and anguish presented before, during and after surgery. Providing the necessary information that the patient should know is important to clarify all types of doubts and concerns regarding the condition they present; It is necessary to inform the benefits and risks that surgical treatment entails, as well as to remain calm so as not to inhibit the administration of medication such as analgesics. Objective: Determine the importance of the psychological approach by nursing staff in pre-surgical adult patients to reduce anxiety and fear as well as reduce complications in the operating room. Methodology: A review of scientific articles from the databases PubMed, Scielo, Google Scholar was carried out, where the years of publication were considered to be from 5 years ago, in order to know the psychological preparation before surgery. Results: It was identified that psychological preparation is the fundamental phase to reduce anxiety before a surgical intervention, it helps to remain calm throughout the procedure, reducing complications and favoring the patient's prompt recovery. Conclusions: Psychological preparation towards the patient is of great importance to reduce fear, anxiety, worry, fear and stress, it must be done in a way that allows quality care to be provided with a more humanized treatment.
导言:无论进行何种诊断和手术,患者在手术前的心理准备都是非常重要的,这有助于减轻手术前、手术中和手术后的焦虑、恐惧和痛苦程度。向患者提供他们应该了解的必要信息,对于澄清他们对病情的各种疑虑和担忧非常重要;有必要告知手术治疗的益处和风险,并保持冷静,以免妨碍镇痛剂等药物的使用。目标:确定护理人员对手术前的成年患者采取心理疏导的重要性,以减轻焦虑和恐惧,并减少手术室的并发症。研究方法:对PubMed、Scielo和Google Scholar数据库中的科学文章进行回顾,将发表年份视为5年前,以了解手术前的心理准备情况。研究结果研究发现,心理准备是减轻手术前焦虑的基本阶段,它有助于在整个手术过程中保持镇定,减少并发症,有利于患者尽快康复。结论对病人的心理准备对于减少恐惧、焦虑、担心、害怕和压力具有重要意义,必须以更加人性化的治疗方式提供优质护理。
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引用次数: 0
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Sapienza: International Journal of Interdisciplinary Studies
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