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Artikel Jurnal
基于改进遗传算法的高压隔离开关主开关机构优化设计
水平伸缩式高压隔离开关因其占地面积小、产生断口明显，在高压电网中应用广泛。但其主开关机构在分合闸过程中产生较大的重力矩变化，除需配置合适的平衡弹簧，还需对结构进行优化设计，以减小机构所需驱动力矩。文中以550 kV交流高压隔离开关为对象，对主开关机构进行力学分析，并基于改进遗传算法对主开关机构进行优化设计、建立动力学仿真模型并进行验证，确定高压隔离开关工作时所需电机驱动力矩的最小值。结果表明，改进遗传算法相比传统方案所需最大电机驱动力矩减小22%，驱动力矩变化量减小43%。优化后的水平伸缩式高压隔离开关主开关机构传动部件受力及动作过程中力矩变化量减小，进而提高高压隔离开关分合闸动作的平稳性。
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Artikel Jurnal
An Assessment of the Productivity Challenges Experienced by Manufacturing Small Micro Medium Enterprises During Lockdown
The focus of this study was to examine productivity issues experienced by small, medium and micro enterprises (SMMEs) in the manufacturing sector in Ekurhuleni Municipality during COVID?19 lockdown restrictions, more particularly focusing on internal and external environment factors influencing the…
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Artikel Jurnal
Cracking the Financing Gap: How Informal Traders in Zimbabwe are Bridging the Banking Divide
In Zimbabwe, informal traders face significant barriers in accessing formal financial services, hindering their ability to grow and sustain their businesses. However, these traders are finding innovative ways to bridge the banking gap by leveraging alternative financial services. The paper…
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Artikel Jurnal
Factors Affecting the Financial Performance of the Samarinda City Regional Government
Purpose: This study aims to analyze the effect of the effectiveness ratio and efficiency ratio on the financial performance of the Samarinda City Regional Government, as well as to test whether the regional financial independence ratio plays a mediating variable in the relationship between the…
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Artikel Jurnal
How AI Impacts Entrepreneurs’ Psychology: Self-Efficacy, Technostress, Dependency, and Work Engagement (A Literature Review)
The rise of artificial intelligence (AI) presents entrepreneurs with unique yet significant psychological challenges and opportunities that remain underexplored. This literature review examines the impact of AI adoption on entrepreneurs’ psychological well-being, performance, and work engagement…
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Artikel Jurnal
Application of the Principles of Good Faith and Pacta Sunt Servanda in Unequal Construction Contracts: A Case Study of B2B Developer–Contractor
The legal relationship between developers and contractors in business-to-business (B2B) construction contracts in Indonesia often shows a significant imbalance of power. Although formally the contract is made based on the principle of freedom of contract, substantively the legal relationship often…
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Artikel Jurnal
THE EFFECTIVENESS OF CONSTRUCTION GOODS AND SERVICES PROCUREMENT LAWS ON PRIVATE CONTRACTORS: A LEGAL SYSTEM PERSPECTIVE LAWRENCE M. FRIEDMAN
Public procurement of construction works constitutes a strategic instrument for national development; however, in practice it continues to face complex legal problems. These problems do not merely arise from procedural violations or corrupt intent, but also from unclear administrative authority…
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Artikel Jurnal
Marketing Management: Present, Past and Future in the Modern Business Scene
Marketing management has undergone substantial transformation in response to economic development, technological innovation, globalization, and evolving consumer behavior. Initially rooted in production efficiency and transactional exchanges, marketing management has progressively evolved into a…
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Artikel Jurnal
Legal Risks of Land Use and Spatial Planning in Development by Private Developers and Contractors in Indonesia: Normative Analysis, Case Studies, and FIDIC Contract-Based Mitigation Strategies
This article aims to comprehensively analyze the legal status of land use and spatial planning as a source of legal risk in construction projects, as well as its implications for private developers and contractors. This study uses a normative legal research method with a statutory, conceptual, and…
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Artikel Jurnal
Optimizing Employee Performance of the Central Statistics Agency through Transformational Leadership, Training: Job Satisfaction Mediators
Performance is a real behavior displayed by each person as a perception of work by employees according to their role in the company. This study aims to determine the relationship between the influence of transformational leadership, job training, job satisfaction and employee performance of the…
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Artikel Jurnal
Profitability Ratio Analysis to Measure Financial Performance
Purpose: This research aims to evaluate the profitability ratios of companies in the Food and Beverage sector listed on the Indonesia Stock Exchange (IDX) from 2021 to 2024. The study specifically focuses on analyzing the Return on Assets (ROA), Return on Equity (ROE), Net Profit Margin (NPM), and…
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Artikel Jurnal
Prevalence of Probable Generalised Anxiety Disorder Among Master of Public Health Students at the University of Ibadan, Nigeria
Introduction: Generalised anxiety disorder (GAD) is a common and debilitating mental health condition characterised by excessive and persistent worry over various aspects of life. GAD poses significant challenges for university students, affecting their physical health, academic performance, and…
Juga tersedia di: DOAJ
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Artikel Jurnal
Safety and Effectiveness of Intravenous Ferric Carboxymaltose for Moderate Anaemia in Pregnancy
Background: Anaemia in pregnancy is a major global health concern linked to adverse maternal and foetal outcomes. Intravenous ferric carboxymaltose (FCM) is a relatively new therapy that enables rapid correction of iron deficiency with minimal adverse effects. Aim: To evaluate the safety and…
Juga tersedia di: DOAJ
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Artikel Jurnal
Aplikasi Rantai Markov Untuk Estimasi Probabilitas Return Saham INDF Periode April-Juli 2025
Investing in stocks in the capital market not only provides profits but also involves various potential risks that may arise in stock investments. Investments are made to generate returns, so it is necessary to calculate the returns. In predicting stock prices. One method that can be used is the…
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Artikel Jurnal
O papel das empresas que operam nos regimes especiais em Nacala e sua contribuição na receita fiscal e aduaneira (2020-2023)
O presente estudo analisa o papel das empresas que operam sob regimes especiais na Zona Económica Especial de Nacala (ZEEN), entre os anos de 2020 e 2023, avaliando a sua contribuição para a receita fiscal e aduaneira, bem como o impacto socioeconómico decorrente das suas operações. Adoptando uma…
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Artikel Jurnal
Imperialismo Linguístico e Colonialidade do Poder em Administração: a análise de anúncios publicitários
O trabalho foi desenvolvido no formato de resenha crítica e acadêmica, a partir de um artigo científico disponibilizado na base de dados da Scopus, em língua inglesa, no periódico Marketing Theory, pertencente ao estrato A1 da CAPES/MEC em Administração. A obra resenhada foi The “Esperanto” of…
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Artikel Jurnal
Contextualização do Consumerismo e do Marketing sob a Luz do Pensamento Decolonial
A resenha proposta foi elaborada a partir de um artigo científico internacional, o prestigioso periódico Journal of Marketing Management, classificado como estrato A1 da CAPES/MEC em Administração. Foi realizada uma análise acadêmica e crítica sobre o trabalho Is consumerism only what Philip Kotler…
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Artikel Jurnal
Livros Didáticos e Emancipação: uma investigação sobre linguagem e ativida-des na EJA da 9ª etapa
Este estudo buscou analisar como a linguagem e as atividades do livro didático Novo Futuro de História e Geografia na 9ª etapa da Educação de Jovens e Adultos (EJA) favorecem ou limitam uma educação emancipadora. A metodologia qualitativa utilizou análise de conteúdo, baseada em Valentim da Silva…
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