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    Wyświetlanie 1-8 z 8
    Tytuł:
    A four-phase framework for Lean implementation in small and medium enterprises
    Autorzy:
    Minh, Nguyen Dat
    Kien, Duon Trung
    Powiązania:
    https://bibliotekanauki.pl/articles/2064453.pdf
    Data publikacji:
    2021
    Wydawca:
    Uniwersytet Zielonogórski. Wydział Ekonomii i Zarządzania
    Tematy:
    LEAN application
    LEAN manufacturing
    LEAN outcome
    small and medium enterprise
    SME
    LEAN
    aplikacja LEAN
    narzędzia LEAN
    LEAN zastosowanie
    małe i średnie przedsiębiorstwa
    Opis:
    Although Lean has been known and applied in both theoretical and practical on around the world for many years, a deeper understanding of Lean tools, principles implementation, and a roadmap to successfully apply is needed. In the context of Small and medium enterprises (SME), it is very difficult for local enterprises to apply synchronization Lean tools, techniques, and principles because of limited resources in manpower, technology, and management capability. Through the case-based study, this paper proposed the four-phase roadmap for Lean application in SMEs. An analysis of methods from a literature review of Lean implementation was conducted in order to identify the phases of the roadmap. Then, six SMEs in Vietnam that applied Lean were chosen to collect data and analyze the applicability and how Lean tools are successful implemented in the cases to confirm the findings.
    Źródło:
    Management; 2021, 25, 1; 259--277
    1429-9321
    2299-193X
    Pojawia się w:
    Management
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Effect of heat transfer correlation on wet cylinder liner temperature distribution when converting an old engine into a turbocharged engine
    Autorzy:
    Trung, Kien Nguyen
    Powiązania:
    https://bibliotekanauki.pl/articles/1955004.pdf
    Data publikacji:
    2021
    Wydawca:
    Polska Akademia Nauk. Czytelnia Czasopism PAN
    Tematy:
    heat transfer
    correlation
    turbocharged engine
    cylinder liner
    distribution
    Supercharging
    Opis:
    For conventional diesel engines, two of the most widely used global correlations are due to Woschni and Hohenberg. Besides, the modern diesel engines used a new heat transfer coefficient correlation was proposed by Finol and Robinson. In Vietnam, improving engine power density is a trend of improving non-turbocharged base engines by using a supercharging system with exhaust gas energy recovery. Increasing engine power by the turbocharger is limited for two reasons: mechanical stress and thermal stress of the components surrounding the combustion chamber. In general, the heat transfer coefficient has a major effect on heat transfer rate, especially during the combustion process. So, the purpose of this study is to compare the cylinder distribution results from the simulation using the equations of Woschni and Hohenberg and compare to the experiment results when converting an old heavy-duty engine into a turbocharged engine. Results show that the cylinder distribution using Hohenberg’s correlation has a good agreement with the experiment results, especially in the case of a turbocharged engine.
    Źródło:
    Archives of Thermodynamics; 2021, 42, 3; 159-172
    1231-0956
    2083-6023
    Pojawia się w:
    Archives of Thermodynamics
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Energy benchmarking management for beer and beverage industry in Vietnam
    Autorzy:
    Minh, Nguyen Dat
    Kien, Duon Trung
    Hoang, Truong Huy
    Powiązania:
    https://bibliotekanauki.pl/articles/2064458.pdf
    Data publikacji:
    2021
    Wydawca:
    Uniwersytet Zielonogórski. Wydział Ekonomii i Zarządzania
    Tematy:
    energy efficiency
    energy benchmarking
    specific energy consumption
    beer industry
    beverage industry
    Vietnam
    efektywność energetyczna
    benchmarking
    zużycie energii
    przemysł piwny
    Wietnam
    Opis:
    The purpose of this paper is to introduce basic principles of benchmarking and explain the methodology to set the specific energy consumption (SEC) target for the beer and beverage industry in Vietnam to evaluate performance, support decisions, and energy efficiency (EE) improvement. Energy benchmarking management method is used to assess EE performance. This study also presents the SEC methodology as a guide for Vietnam enterprises in the brewery sector on how to manage the EE consumption and to comply with the legal energy consumption quota in the beer and beverage production. The study supports the enterprise in how to determine the SEC and support for national EE is essential to the promotion and deployment of practical energy saving solutions and compliance with the SEC through a suitable energy-saving target. In addition, this paper is introducing the original SEC calculation in three cases of production in the beer and beverage industry including producing beer only, producing beverage only, and producing both beer & beverage in the context of Vietnam.
    Źródło:
    Management; 2021, 25, 2; 36--58
    1429-9321
    2299-193X
    Pojawia się w:
    Management
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Enhancing Workplace Safety: A Comprehensive Action Plan for Duong Huy Coal Company (2021– 2025)
    Autorzy:
    Nguyen, Thi Hoai Nga
    Nguyen, Duc Thang
    Le, Dinh Chieu
    Le, Van Chien
    Pham, Kien Trung
    Powiązania:
    https://bibliotekanauki.pl/articles/27323288.pdf
    Data publikacji:
    2023
    Wydawca:
    Polskie Towarzystwo Przeróbki Kopalin
    Tematy:
    workplace safety
    safety standards
    safety solutions
    extractive industries
    Duong Huy coal company
    bezpieczeństwo i higiena pracy
    Wietnam
    przemysł
    Opis:
    Workplace safety is of paramount importance in industries such as coal mining, where accidents and occupational illnesses can result in significant human and economic costs. This study aims to develop an action plan to improve safety standards at Duong Huy Coal Company from 2021 to 2025. A comprehensive survey involving 93 safety managers and 379 workers from various production sites was researched to gather insights and opinions on safety priorities. Focus group discussions and expert consultations were employed to assess the current safety situation, identify challenges, and develop coherent safety solutions. Based on the survey results, the proposed action plan focuses on the following objectives: reducing workplace accidents by 20-25% annually, progressing towards zero accidents in the following years, and increasing productivity and benefits for both workers and the company. The plan also emphasizes the role of company leadership in widely communicating their commitment to safety and the need for individual units within the company to proactively plan, budget, and implement safety measures following their functions and responsibilities. Collaboration with relevant state agencies, mass mobilization campaigns, and the application of science and technology in safety and occupational health will further contribute to the enhancement of workplace safety at Duong Huy Coal Company.
    Źródło:
    Inżynieria Mineralna; 2023, 2; 205--208
    1640-4920
    Pojawia się w:
    Inżynieria Mineralna
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Enterprises characteristics and lean outcome: an empirical evidence from Vietnam manufacturing enterprises
    Autorzy:
    Nguyen, Dat-Minh
    Duong, Trung-Kien
    Powiązania:
    https://bibliotekanauki.pl/articles/2204115.pdf
    Data publikacji:
    2022
    Wydawca:
    STE GROUP
    Tematy:
    Lean manufacturing
    challenge features
    success factors
    Vietnam Manufacturing enterprises
    Opis:
    Lean Manufacturing is a popular method to achieve the improvement on productivity, quality, cost, and delivery for organizations. This approach focuses on the systematics to eliminate wastes and non-value added activities from the production. This study mentions the successes and challenges of Vietnam manufacturing enterprises for adapting and transformation for Lean Manufacturing approaching. The aim of this study is to analyze the characteristics of Vietnam enterprises that influencing Lean outcome and present critical factors for overcoming obstacles to successful Lean implementation in Vietnam local enterprises. This paper uses case-based research to collect data through multiple cases that applied Lean to drive the findings. A combination of comprehensive literature review and interview key persons at case study was employed in this study. This study also highlights the strong potential of Lean implementation initiatives in affecting organizational performance improvements.
    Źródło:
    Management Systems in Production Engineering; 2022, 2 (30); 98--108
    2299-0461
    Pojawia się w:
    Management Systems in Production Engineering
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Promoting Gender Equality and Awareness in the Vietnamese Mining Sector: Perceptions, Challenges, and Policy Recommendations
    Autorzy:
    Pham, Minh Hang
    Pham, Thi Luong
    Nguyen, Thi Hoai Nga
    Pham, Kien Trung
    Powiązania:
    https://bibliotekanauki.pl/articles/27323284.pdf
    Data publikacji:
    2023
    Wydawca:
    Polskie Towarzystwo Przeróbki Kopalin
    Tematy:
    gender equality
    gender knowledge
    gender perspective
    extractive industries
    mining sector
    płeć
    zatrudnienie
    górnictwo
    Wietnam
    Opis:
    Females in the industry nowadays have been offered many opportunities to develop their careers. However, the chances are not the same in different areas or sectors. This study investigated the perceptions and understanding of gender-related issues in the mining sector among potential young workers and industry experts in Vietnam. The study employs Oxfam's Gender Impact Assessment Guidelines for extractive industries and the Convention on the Elimination of All Forms of Discrimination Against Women - CEDAW's Women's Economic and Social Rights Framework to assess gender-related issues in the mining sector. A survey of 207 students in Hanoi was conducted, besides focus group discussions and in-depth interviews with gender and mining experts. Findings reveal significant differences in knowledge and awareness of gender issues between students, emphasizing the need to integrate gender knowledge into specialized fields such as mining. In addition, professionals working solely in the mining sector demonstrated a lack of sensitivity to gender issues. Consequently, the study recommends capacity building, seminars, and exchanges to help mining professionals incorporate a gender perspective into their activities. Current policies exhibit gender neutrality, indirectly excluding women's participation and compromising men's safety in the mining sector. The study proposes policy recommendations for enhancing the protection of workers in the mining industry and promoting gender equality. These include incorporating gender perspectives into relevant laws, raising awareness of gender issues among policymakers and professionals, and increasing the mining sector's presence in the media to encourage youth to pursue careers in this field.
    Źródło:
    Inżynieria Mineralna; 2023, 2; 235--238
    1640-4920
    Pojawia się w:
    Inżynieria Mineralna
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    The extensive 1-median problem with radius on networks
    Autorzy:
    Nhan, Tran Hoai Ngoc
    Hung, Nguyen Thanh
    Nguyen, Kien Trung
    Powiązania:
    https://bibliotekanauki.pl/articles/29519649.pdf
    Data publikacji:
    2024
    Wydawca:
    Akademia Górniczo-Hutnicza im. Stanisława Staszica w Krakowie. Wydawnictwo AGH
    Tematy:
    extensive facility
    median problem
    tree
    convex
    Opis:
    The median location problem concerns finding locations of one or several new facilities that minimize the overall weighted distances from the existing to the new facilities. We address the problem of locating one new facility with a radius r on networks. Furthermore, the radius r is flexible and the objective function is the conic combination of the traditional 1-median function and the value r. We call this problem an extensive 1-median problem with radius on networks. To solve the problem, we first induce the so-called finite dominating set, that contains all points on the underlying network and radius values which are candidate for the optimal solution of the problem. This helps to develop a combinatorial algorithm that solves the problem on a general network G = (V,E) in O(|E||V|3) time. We also consider the underlying problem with improved algorithm on trees. Based the convexity of the objective function with variable radius, we develop a linear time algorithm to find an extensive 1-median with radius on the underlying tree.
    Źródło:
    Opuscula Mathematica; 2024, 44, 1; 135-149
    1232-9274
    2300-6919
    Pojawia się w:
    Opuscula Mathematica
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    The Impact of Digital Leadership on Organizational Performance: A Study in Vietnams coal Mining Companies
    Autorzy:
    Le, Van Chien
    Nguyen, Duc Thang
    Pham, Kien Trung
    Nguyen, Thi Hoai Nga
    Powiązania:
    https://bibliotekanauki.pl/articles/27323234.pdf
    Data publikacji:
    2023
    Wydawca:
    Polskie Towarzystwo Przeróbki Kopalin
    Tematy:
    digital transformation
    digital leadership
    digital transformation strategy
    digital skills
    organization performance
    coal mining company
    transformacja cyfrowa
    strategia
    górnictwo
    Opis:
    Under the influence of the 4th industrial revolution and the impact of the Covid-19 pandemic, digital transformation is rapidly taking place in all aspects of society. For businesses, digital transformation is an essential and objective trend for their sustainability and development. The purpose of digital transformation for businesses is to enhance operational efficiency through factors such as accelerating market speed, gaining competitive advantage, driving revenue growth, increasing labor productivity, and expanding customer attraction and retention. Numerous studies have indicated that the process of digital transformation in businesses is influenced by leadership and digital transformation strategies, and digital transformation has an impact on business performance. This study aims to identify the relationship between digital leadership and the operational efficiency of coal mining companies in Vietnam, with the mediating role of digital transformation strategies. Additionally, the study examines the moderating role of digital skills on the relationship between digital transformation strategies and the operational efficiency of the organizations. The research surveyed 111 employees and workers currently working in coal mining companies in Vietnam. Through analysis and hypothesis testing, the results showed that digital leadership does not have a direct impact on coal companies’ operational efficiency. However, it indirectly affects business performance through the mediating role of digital transformation strategies. The study's findings also revealed that the digital skills of employees play a moderating role in enhancing the relationship between digital transformation strategies and the operational efficiency of the organization.
    Źródło:
    Inżynieria Mineralna; 2023, 2; 121--130
    1640-4920
    Pojawia się w:
    Inżynieria Mineralna
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
      Wyświetlanie 1-8 z 8

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