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    Wyświetlanie 1-8 z 8
    Tytuł:
    Solution University Training Flexible Adapting to the Context of Digital Transformation
    Autorzy:
    Nguyen, Duy Minh
    Nguyen, Van Huan
    Powiązania:
    https://bibliotekanauki.pl/articles/1193450.pdf
    Data publikacji:
    2021
    Wydawca:
    Przedsiębiorstwo Wydawnictw Naukowych Darwin / Scientific Publishing House DARWIN
    Tematy:
    Digital transformation
    digital economy
    digital education
    digital enterprise
    industrial revolution 4.0
    Opis:
    The emergence of the Industrial Revolution 4.0, the digital trend or the digital transformation is really taking place strongly in all fields. The "core" issue of Industrial Revolution 4.0 is digital transformation, with the integration of digitalization, intelligent data connection and processing. The digital economy not only creates high scale and growth rate for economies, but also helps maintain more sustainable growth. This is because the core technology applied to the digital economy will help to create better and more effective solutions for people through the rational use of resources, minimizing pollution problems. The digital economy is part of the economy. Digital economy development is the use of digital technology and intelligent data processing to create new business models, create digital products or services or assist in providing digital services to businesses, with the convergence of modern technology platform. Recognizing the digital transformation trend, most developed economies in the world have adopted a digital technology development strategy. In particular, countries focus on researching and applying new technologies to economic growth. Research by Oxford University and McKinsey Consulting (USA) has shown that 50% of jobs in developed countries will be replaced by automated processes in the next 15 years. This percentage is forecast to be even higher in developing countries like Vietnam. Up to now, more than half of the world's population is connected online, one third are on social media. The developed economies in the world all offer digital technology development strategies associated with economic growth. Therefore, universities need to train digital human resources to meet the development needs of the digital economy.
    Źródło:
    World Scientific News; 2021, 157; 129-139
    2392-2192
    Pojawia się w:
    World Scientific News
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Simulating and Predicting Escape Routes for Ventilation Network of Duong Huy Coal Company using Ventsim DESIGN Software
    Symulacja i przewidywanie dróg ewakuacyjnych dla Sieci Wentylacyjnej Spółki Węglowej Duong Huy przy użyciu oprogramowania VENTSIM DESIGN
    Autorzy:
    Duy Huy, Nguyen
    Cao Khai, Nguyen
    Van Thinh, Nguyen
    Van Quang, Nguyen
    Minh Chien, Nguyen
    Khac Duy, Nguyen
    Powiązania:
    https://bibliotekanauki.pl/articles/2172066.pdf
    Data publikacji:
    2022
    Wydawca:
    Polskie Towarzystwo Przeróbki Kopalin
    Tematy:
    ventilation network
    Ventsim DESIGN
    escape routes
    Duong Huy coal company
    vinacomin
    sieć wentylacyjna
    drogi ewakuacyjne
    spółka węglowa Duong Huy
    Vinacomin
    Opis:
    In underground coal mining, the ventilation task plays an important role because it ensures enough fresh air for workers and decrease negative effects of deleterious gases released from coal seam as well as blasting explosions. Furthermore, when coal mines go deeper, the ventilation task is more and more important. In order to guarantee good ventilation performance, we should apply a simulation software. In this article, we present the application of Ventsim DESIGN software for ventilation network of Duong Huy Coal company as well as prediction of escape routes in urgent cases. The simulation results demonstrate that the software offers good performance, stable operation as well as the suitable escape routes in urgent cases.
    W podziemnym górnictwie węgla wentylacja odgrywa ważną rolę, ponieważ zapewnia wystarczającą ilość świeżego powietrza dla pracowników i zmniejsza negatywne skutki uwalniania się szkodliwych gazów z pokładów węgla oraz możliwość wystąpienia wybuchów. Ponadto, gdy eksploatacja sięga głębiej, zadanie wentylacji jest coraz ważniejsze. W celu zagwarantowania dobrej wydajności wentylacji do obliczeń sieci wentylacyjnej stosuje się oprogramowanie symulacyjne. W artykule przedstawiono zastosowanie oprogramowania Ventsim DESIGN dla obliczenia sieci wentylacyjnej kopalni Duong Huy oraz przewidywania dróg ewakuacyjnych w nagłych przypadkach. Wyniki symulacji pokazują, że program dobrze wylicza wydajność sieci , warunki stabilnej pracy oraz odpowiednie drogi ewakuacyjne w nagłych przypadkach.
    Źródło:
    Inżynieria Mineralna; 2022, 2; 151--157
    1640-4920
    Pojawia się w:
    Inżynieria Mineralna
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Changing of Soil Properties under Drought and Saline Water Intrusion Conditions in Different Land-Use Patterns – A Case Study in the Ben Tre Province, Vietnam
    Autorzy:
    Loi, Le Tan
    Minh, Vo Quang
    Duy, Nguyen Ngoc
    Powiązania:
    https://bibliotekanauki.pl/articles/2173336.pdf
    Data publikacji:
    2022
    Wydawca:
    Polskie Towarzystwo Inżynierii Ekologicznej
    Tematy:
    climate change
    coastal
    impact
    vulnerable
    Opis:
    The study aimed to assess the change of soil properties of land use patterns affecting drought and saline intrusion in the Ben Tre province during 2019–2020. Soil samples were taken, and the data on land use patterns of Rice, bare soil, Shrimp, and Coconut in three horizons were at 0–20 cm, 20–60 cm, and 60–100 cm. The analysis of soil pH, EC, organic matter, and bulk density was conducted to assess the changes in soil properties. The results showed that soil pH, EC, and salinity had to be slightly increased in 2020, but soil organic matter and bulk density were not changed. Therefore, the Ben Tre province’s drought and saline intrusion conditions had a negligible impact in general evaluation. However, it is necessary to perform more other studies to clarify the effects of drought and salinity.
    Źródło:
    Journal of Ecological Engineering; 2022, 23, 8; 112--118
    2299-8993
    Pojawia się w:
    Journal of Ecological Engineering
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Facies Analysis and Depositional Environmental Interpretation of The Upper Oligocene, Block 09- 2/10, Cuu Long Basin
    Autorzy:
    Nguyen, Muoi Duy
    Le, Anh Ngoc
    Nguyen, Hoa Minh
    Bui, Ngan Thi
    Powiązania:
    https://bibliotekanauki.pl/articles/27323232.pdf
    Data publikacji:
    2023
    Wydawca:
    Polskie Towarzystwo Przeróbki Kopalin
    Tematy:
    Cuu Long basin
    upper oligocene
    depositional environment
    seismic facies
    block 09-2/10
    Oligocen
    Wietnam
    sejsmika
    środowisko
    Opis:
    The article presents the facies and environment of the Upper Oligocene sediments in the area of block 09-2/10 based on the analysis of seismic facies and well data of the neighboring areas. The results of the interpretation of seismic data indicate that the upper Oligocene sediments are limited by the top C, top D seismic reflectors. The environment is formed from lagoons, lakes to deep lakes. Seismological facies analysis identified 03 facies including seismic facies with medium to poor reflection amplitude, medium continuous, low frequency reflecting the lacustrine sediments (80%) in most of the lake center. Strong reflective seismic facies, sigmoidal clinoforms reflect the lakeside sediments (15%) distributed in the lakeside shelf. The seismic facies with average and continuous amplitude poorly reflect alluvial sediments (5%) in the Northwest region. The direction of sediment transport is mainly from the Northwest and Southwest in the area. The sandstone sequences are distributed on the slopes of the lake and the lake bottom, which is potential reservoir.
    Źródło:
    Inżynieria Mineralna; 2023, 2; 155--162
    1640-4920
    Pojawia się w:
    Inżynieria Mineralna
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Geological Controls on Evolution of Submarine Channels in Song Hong Basin, Offshore Vietnam
    Autorzy:
    Le, Anh Ngoc
    Nguyen, Hoan Minh
    Nguyen, Muoi Duy
    Thi, Ngan Bui
    Powiązania:
    https://bibliotekanauki.pl/articles/24200703.pdf
    Data publikacji:
    2023
    Wydawca:
    Polskie Towarzystwo Przeróbki Kopalin
    Tematy:
    Song Hong basin
    submarine channels
    channel complex
    3D seismic
    Opis:
    Song Hong basin is a very large basin with complicated onshore to offshore geological structure. The basin comprises the pre-Tertiary basement and Kainozoi sequences. This study focused on the evolution of submarine channel in Miocene sequence. The study interval is the major reservoir of the basin characterized as submarine channel complex and lower to Middle Miocene carbonates with the porosity of 15–25%. The channel is highly eroded into the substrate with c. 7 km wide and 20 km long, trending northwest-southeast. They are ‘U’ to ‘V’ shape, sub-parallel to deep faults which reactivated in the Early and Mid-Late Miocene. The channel deposit is characterized by cut and fill architecture and can be seen as high amplitude, bi-directional downlap. The channels are likely to be controlled by the two inverted phases in Late Oligocene and Middle-Late Miocene. The tectonic events are not only controls the flow directions but also modified the shape of the channels. The occurrence of well-developed submarine channel give a great hydrocarbon potential for the Song Hong basin.
    Źródło:
    Inżynieria Mineralna; 2023, 2; 7--12
    1640-4920
    Pojawia się w:
    Inżynieria Mineralna
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Numerical investigation of length to beam ratio effects on ship resistance using ranse method
    Autorzy:
    Le, Tat Hien
    Nguyen, Duy Anh
    Tran, Ngoc Tu
    Hoa, Nguyen Thi Ngọc
    Ngoc, Vu Minh
    Powiązania:
    https://bibliotekanauki.pl/articles/32917972.pdf
    Data publikacji:
    2023
    Wydawca:
    Politechnika Gdańska. Wydział Inżynierii Mechanicznej i Okrętownictwa
    Tematy:
    length-beam ratio
    L/B
    resistance
    hull form
    RANSE
    Opis:
    The paper discusses the length to beam (L/B) ratio effects on ship resistance at three different Froude numbers using unsteady RANSE simulation. First, the JBC ship model was used as an initial hull form for verification and validation of predicted ship resistance results with measured data, and then the influence of the L/B ratio on ship resistance was carried out. Ship hull forms with different L/B ratios were produced from the initial one by using the Lackenby method. The numerical results obtained show the L/B ratio’s effect on ship resistance. Increases of the L/B ratio led to gradual reduction of the total ship resistance and vice versa. Analysis of the changing of the resistance components indicates that the pressure resistance changes are considerably larger than the frictional one. Finally, the paper analyses the difference in the flow field around the hull of the ship with variation of the L/B ratio to fully understand the physical phenomenon in the change of ship resistance at different L/B parameters.
    Źródło:
    Polish Maritime Research; 2023, 1; 13-24
    1233-2585
    Pojawia się w:
    Polish Maritime Research
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Plans for better business performance of Sony in Japan - and suggestions for management and financial accounting transparency
    Autorzy:
    Dat, Nguyen Duy
    Lan, Nguyen Thi Ngoc
    Huy, Dinh Tran Ngoc
    Yen, Ly Lan
    Dung, Nguyen Tien
    Dat, Pham Minh
    Powiązania:
    https://bibliotekanauki.pl/articles/1818317.pdf
    Data publikacji:
    2020
    Wydawca:
    Uniwersytet Zielonogórski. Wydział Ekonomii i Zarządzania
    Tematy:
    Sony company
    business performance
    stock prices
    lending rate
    market interest rate
    firma Sony
    wyniki biznesowe
    zysk netto
    cena akcji
    kredyt
    rynkowa stopa procentowa
    Opis:
    Through years Sony in Japan has shown success in bringing to themarket high quality products, and via technical inventions. Today risk management is one of vital issues in Sony to maintain its reputation in global markets. The purpose of this study is to find out impacts of economic factors at macro level on net profit of a big technological giant like Sony. We found that movement of net profit in big firms such as Sony will reflect the business health of technology system and the whole economy. The results of quantitative research, in a seven factor model, show that the increase in inflation, GDP (increasing too much) and lending rate and reducing risk free rate has a significant effect on reducing Sony net profit with the highest impact coefficient, the second is decreasing the exchange rate. Last but not least, this study proposes risk management solutions and business management plans to lower business risks, cost and enhance its net profit.
    Źródło:
    Management; 2020, 24, 2; 132-145
    1429-9321
    2299-193X
    Pojawia się w:
    Management
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    A new environmentally friendly chemical mechanical polishing method applied for surface finishing Ti-6Al-4V alloy
    Autorzy:
    Quang, Nguyen Minh
    Quan, Nguyen Ngoc
    Mai, Nguyen Trong
    Thanh, Le Thi Phuong
    Tung, Nguyen Tien
    Tan, Tran Ngoc
    Hai, Ha Thanh
    Trinh, Nguyen Duy
    Powiązania:
    https://bibliotekanauki.pl/articles/28407325.pdf
    Data publikacji:
    2023
    Wydawca:
    Wrocławska Rada Federacji Stowarzyszeń Naukowo-Technicznych
    Tematy:
    chemical-mechanical polishing
    hydrogen peroxide
    TI-6AL-4V
    silica
    malic acid
    Opis:
    A new eco-friendly slurry has been developed for the chemical mechanical polishing process with a solution of malic acid, deionized water, and an oxidizing agent hydrogen peroxide (H2O2). The surface quality of Ti-6Al-4V workpieces with the proposed chemical mechanical polishing slurry with optimal parameters include oxidizers (H2O2), colloidal (SiO2) slurry, and deionized water by weight 8%, 45%, and 47% respectively, the pH concentration is adjusted 4 through the malic acid content present in the slurry. Experimental results obtained with the proposed chemical mechanical polishing method show a more improved surface quality than previous studies when applying for polishing Ti-6Al-4V alloy. The developed chemical mechanical polishing method's polishing results under optimal conditions obtain an ultra-fine surface quality with Ra = 0.696 nm over a measuring area of 53×70 μm2. X-ray photoelectron (XPS) and electrochemical measurements were used to study the chemical reaction mechanisms in the proposed chemical mechanical polishing process. The chemical mechanical polishing processes for the surface of the Ti-6Al-4V alloy workpiece with the H2O2 oxidizing agent showed high suitability with the reactants formed on the surface such as Ti, V, and Al oxide. With the proposed oxidant and the established chemical mechanical polishing slurry, the feasibility and surface quality of the super smooth Ti-6Al-4V workpiece formed after polishing were demonstrated. The established chemical mechanical polishing method shows high applicability in environmental protection and Ti-6Al-4V alloy ultra-precision machining industries.
    Źródło:
    Journal of Machine Engineering; 2023, 23, 4; 64--76
    1895-7595
    2391-8071
    Pojawia się w:
    Journal of Machine Engineering
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
      Wyświetlanie 1-8 z 8

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