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    Wyświetlanie 1-12 z 12
    Tytuł:
    The relationship between green supply chain performance, energy demand, economic growth and environmental sustainability: an empirical evidence from developed countries
    Relacja pomiędzy zielonym zarządzaniem łańcuchem dostaw, popytem na energię, wzrostem ekonomicznym i rozwojem zrównoważonym na podstawie krajów rozwiniętych
    Autorzy:
    Yu, Z.
    Golpîra, H.
    Khan, S. A. R.
    Powiązania:
    https://bibliotekanauki.pl/articles/361761.pdf
    Data publikacji:
    2018
    Wydawca:
    Wyższa Szkoła Logistyki
    Tematy:
    renewable energy
    trade openness
    greenhouse gas emissions
    supply chain management
    economic development
    energia odnawialna
    otwartość handlowa
    emisja gazów cieplarnianych
    zarządzanie łańcuchem dostaw
    rozwój ekonomiczny
    Opis:
    Background: This study is for examining the association between green logistics, energy demand, renewable energy consumptions, environmental performance and sustainable economic development in a panel of nineteen developed economies around the globe over the period from 2008-2017. In addition, the article expands domain of green logistics from firm level to country level and also connects national scale economic indicators with green logistical performance. Methods: The study employs Pools OLS (ordinary least square) statistical technique to check hypothesis, while secondary data have been used, which were downloaded from the World Bank. Results: The results reveal that the green logistics indicators have strongly positive correlation with green energy sources, FDI inflows, and Trade openness. On the other hand, greenhouse gas emissions and carbon emissions have negative correlation with green logistics. Furthermore, renewable energy is a driving factor of green logistics and supply chain operations which also promote environmental and economic sustainability. Conclusion: This article provides the insight of the association between green logistics performance and national scale economic and environmental indicators. In addition, this research will help practitioners, senior managers and policymaker to understand the importance of renewable energy and green practices in logistical operations.
    Wstęp: Praca prezentuje wyniki analizy powiązań pomiędzy zieloną logistyką, popytem na energię, konsumpcją energii odnawialnej, wpływem na środowisko oraz zrównoważonym rozwojem ekonomicznych na podstawie 19 rozwiniętych krajów z całego świata w okresie 2008-2017. Dodatkowo, omówiono rozwiniecie zielonej logistyki z poziomu przedsiębiorstwa do poziomu kraju jak również powiązano krajowe ekonomiczne wskaźniki z działalnością zielonej logistyki. Metody: Zastosowano metodę statystyczną Pools OLS dla sprawdzenia postawionych hipotez, gdzie użyto dane pochodzące z Banku Światowego. Rezultaty: Na podstawie otrzymanych wyników stwierdzono, że wskaźniki zielonej logistyki wykazują silną pozytywną korelację z zielonymi źródłami energii, przepływem FDI oraz otwartością handlu. Z drugiej strony emisja gazów cieplarnianych oraz węgla wykazuje negatywną korelację z zieloną logistyką. Dodatkowo, energia odnawialna jest wiodącym czynnikiem zielonej logistyki i operacji łańcucha dostaw, wspierającym również ekonomiczny rozwój zrównoważony. Wnioski: Praca przedstawia powiązania pomiędzy zieloną logistyką a krajowymi wskaźnikami ekonomicznymi i ekologicznymi. Dodatkowo, daje wskazówki dla praktyków, zarządzających średniego szczebla oraz politykom dla lepszego zrozumienia istotności energii odnawialnej oraz zielonych praktyk w operacjach logistycznych.
    Źródło:
    LogForum; 2018, 14, 4; 479-494
    1734-459X
    Pojawia się w:
    LogForum
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Induce physical and chemical mutagenesis for improvement of yield attributing traits and their correlation analysis in Chickpea
    Autorzy:
    Raina, A.
    Laskar, R.A.
    Khursheed, S.
    Khan, S.
    Parveen, K.
    Amin, R.
    Powiązania:
    https://bibliotekanauki.pl/articles/11554.pdf
    Data publikacji:
    2017
    Wydawca:
    Przedsiębiorstwo Wydawnictw Naukowych Darwin / Scientific Publishing House DARWIN
    Źródło:
    International Letters of Natural Sciences; 2017, 61
    2300-9675
    Pojawia się w:
    International Letters of Natural Sciences
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Risk factors for outbreaks caused by variant strain of Newcastle disease on environmentally controlled broiler chicken farms in Lahore, Pakistan
    Autorzy:
    Maqsood, R.
    Khan, A.
    Mushtaq, M.H.
    Yaqub, T.
    Aslam, M.A.
    Rashid, H.B.
    Gill, S.S.
    Akram, R.
    Rehman, A.
    Chaudhry, M.
    Powiązania:
    https://bibliotekanauki.pl/articles/2087145.pdf
    Data publikacji:
    2021
    Wydawca:
    Polska Akademia Nauk. Czytelnia Czasopism PAN
    Tematy:
    Newcastle disease
    retrospective
    environmentally controlled house
    biosecurity
    vaccine
    Źródło:
    Polish Journal of Veterinary Sciences; 2021, 24, 4; 497-503
    1505-1773
    Pojawia się w:
    Polish Journal of Veterinary Sciences
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Collection of hospital wastewater data using deduplication approaches
    Autorzy:
    Khan, N. A.
    Sinha, G. R.
    Ahmed, S.
    Feshchenko, A.
    Changani, F.
    Qureshi, A.
    Mazhar, M. A.
    Neklonskyi, I.
    Powiązania:
    https://bibliotekanauki.pl/articles/1818511.pdf
    Data publikacji:
    2020
    Wydawca:
    Stowarzyszenie Komputerowej Nauki o Materiałach i Inżynierii Powierzchni w Gliwicach
    Tematy:
    statistics
    hospital wastewater
    medical waste
    deduplication
    approaches
    servers
    statystyka
    ścieki szpitalne
    odpady medyczne
    deduplikacja
    podejścia
    serwery
    Opis:
    Purpose: This investigation aims to study the various approaches currently used to reduce the load on computer servers in order to better manage data on hospital wastewater treatment and solid waste generation. Design/methodology/approach: This manuscript investigates the taxonomies of deduplication procedures based on literature and other data sources, thereby presenting its classification and its challenges in detection. Findings: Based on the literature survey of deduplication techniques, the method of deduplication dispensed on cloud gadget devices has been found to be a promising research challenge. The gaps discussed include a reduction in storage space, bandwidth, type of disks used, and expenditure on energy usage and heat emissions when implementing these strategies. The art work on a scalable, robust, green and allocated approach to deduplication for a cloud gadget will remain of interest in destiny. Research limitations/implications: Considerable attention is focused on the deduplication due to efficient, extensive storage system. Practical implications: This research paper will be useful to identify deduplication techniques which are nowadays used in different hospital wastewater data collection systems and put significant proposals for further improvements in deduplication. Originality/value: This manuscript portrays a broader assessment of the available literature for data duplication along with the classification of different methods for the data storage used in the different level of storage of hospital wastewater data collection.
    Źródło:
    Archives of Materials Science and Engineering; 2020, 104, 1; 5--18
    1897-2764
    Pojawia się w:
    Archives of Materials Science and Engineering
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Factors Affecting the Performance of Double Chamber Microbial Fuel Cell for Simultaneous Wastewater Treatment and Power Generation
    Autorzy:
    Khan, M.R.
    Amin, M.S.A.
    Rahman, M.T.
    Akbar, F.
    Ferdaus, K.
    Powiązania:
    https://bibliotekanauki.pl/articles/779340.pdf
    Data publikacji:
    2013
    Wydawca:
    Zachodniopomorski Uniwersytet Technologiczny w Szczecinie. Wydawnictwo Uczelniane ZUT w Szczecinie
    Tematy:
    catholyte
    COD
    Microbial Fuel Cell
    wastewater treatment
    Opis:
    Electricity generation from the readily biodegradable organic substrate (glucose) accompanied by decolorization of azo dye was investigated using a two-chamber microbial fuel cell (MFC). Batch experiments were conducted to study the effect of dye and substrate concentration on MFC performance. Electricity generation was not signifi cantly affected by the azo dye at 300 mg/L, while higher concentrations inhibited electricity generation. The chemical oxygen demand (COD) removal and decolorization of dye containing wastewater used in the MFC were studied at optimum operation conditions in anode and cathode, 57% COD removal and 70% dye removal were achieved. This study also demonstrated the effect of different catholyte solutions, such as KMnO4 and K2Cr2O7 on electricity generation. As a result, KMnO4 solution showed the maximum electricity generation due to its higher standard reduction potential.
    Źródło:
    Polish Journal of Chemical Technology; 2013, 15, 1; 7-11
    1509-8117
    1899-4741
    Pojawia się w:
    Polish Journal of Chemical Technology
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Efficient soil solarization for weed control in the rain-fed upland rice ecosystem
    Autorzy:
    Khan, A.R.
    Srivastava, R.C.
    Ghorai, A.K.
    Singh, S.R.
    Powiązania:
    https://bibliotekanauki.pl/articles/25142.pdf
    Data publikacji:
    2003
    Wydawca:
    Polska Akademia Nauk. Instytut Agrofizyki PAN
    Tematy:
    environment
    soil
    ground water
    weed competition
    crop yield
    herbicide
    solarization
    ecosystem
    rainfed upland
    weed control
    toxic residue
    rice
    Źródło:
    International Agrophysics; 2003, 17, 3
    0236-8722
    Pojawia się w:
    International Agrophysics
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Pollution and health risk assessment of water quality: a case study in Mohammedia prefecture in Morocco
    Autorzy:
    El morabet, R.
    Berhazi, L.
    Khan, R. A.
    Bouhafa, S.
    Khan, N. A.
    Hakh, T.
    Romaniv, A.
    Powiązania:
    https://bibliotekanauki.pl/articles/2055750.pdf
    Data publikacji:
    2022
    Wydawca:
    Stowarzyszenie Komputerowej Nauki o Materiałach i Inżynierii Powierzchni w Gliwicach
    Tematy:
    water quality assessment
    water pollution index
    ecological risk
    non-carcinogenic risk
    carcinogenic risk
    ocena jakości wody
    wskaźnik zanieczyszczenia wody
    ryzyko ekologiczne
    ryzyko nierakotwórcze
    ryzyko rakotwórcze
    Opis:
    Purpose: Water is vital for the sustenance of every life form. Urbanization, growing population and industrial development has led to exploitation of water resources globally. This study assesses quality of water resources of Mohammedia prefecture. Design/methodology/approach: The water quality analysis was carried out based on physio-chemical and heavy metal concentrations. The physio-chemical analysis comprised of status of concentration, overall quality and water pollution index evaluation. The heavy metal evaluation consisted of Ecological Risk Index, non-carcinogenic risk and carcinogenic risk assessment. Findings: The landfill near Ben Nfifikh River reported insignificant (WPI<1) – low level of pollution (>1≤1.5) for surface and groundwater points. However, the groundwater for Zenata region was found to pose both carcinogenic (CRt > 0.0001, range 0.4-35.31) and non-carcinogenic risks (HQ>1, range 6 -34) of higher degree rendering it unfit for human consumption. Hence, this study concludes that groundwater resources should not as water supply; instead, Oud El Maleh River can serve as surface water source for meeting requirements of Zenata region. Research limitations/implications: The data obtained can be categorized as landfill area near river Nfifikh and landfill area near river El Maleh. Both areas have been investigated for groundwater and surface water quality assessment. Practical implications: This study demonstrates the need to study the characteristics of groundwater (depth, flow rate, water renewal, etc.) before arranging a waste dump. This problem is especially relevant for arid countries, since residents experience a shortage of water, as well as a lack of rainfall provides a weak renewal of groundwater, which can contribute to the accumulation of a higher concentration of carcinogens in groundwater and provide a high risk to public health. If policymakers in arid countries and decision-makers have effective water quality maps, then the country can be more efficiently managed water resources without risking the population. Originality/value: The current study is planned as a multi-stage, each of which is supposed to conduct field studies of groundwater and surface water quality with appropriate parameters, analysis of institutional reports and related scientific studies in order to create an effective water quality map for rational water use.
    Źródło:
    Journal of Achievements in Materials and Manufacturing Engineering; 2022, 110, 2; 67--85
    1734-8412
    Pojawia się w:
    Journal of Achievements in Materials and Manufacturing Engineering
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    SUPERPAVE design mixture performance evaluation using Epolene modifier for cold semi-arid climatic region of Saudi Arabia
    Autorzy:
    Dahim, M.A.
    Mosaby, M.
    El Morabet, R.
    Khan, R.A.
    Alqadhi, S.
    Khan, N.A.
    Ben Kahla, N.
    Neklonskyi, I.
    Borysova, L.
    Powiązania:
    https://bibliotekanauki.pl/articles/2175741.pdf
    Data publikacji:
    2021
    Wydawca:
    Stowarzyszenie Komputerowej Nauki o Materiałach i Inżynierii Powierzchni w Gliwicach
    Tematy:
    SUPERPAVE
    Epolene
    dynamic modulus test
    flow number test
    indirect tensile test
    badanie modułu dynamicznego
    badanie liczby przepływu
    pośrednia próba rozciągania
    Opis:
    Purpose: To evaluate the superpave design performance using Epolene (EE-2) as modifier, since SUPERPAVE design is a modified and sophisticated aspect as compared to previous mix design for asphalt mixtures. This is primarily due to the fact that superpave design mix also takes into consideration properties of materials beside asphalt. Design/methodology/approach: This study was conducted using Epolene (EE-2) as modifier in order to evaluate the performance of SUPERPAVE suitability for construction of roads in Alfaraa campus (King Khalid University) Abha, in Asir Province of Saudi Arabia. Glow number test, dynamic modulus test and indirect tensile strength test were conducted to evaluate the performance of EE-2 modifier against the control mixture. Findings: The mixture modified with EE-2 gave better performance in terms of temperature-based performance and resistance to moisture damage. Also, larger values of E*/sinφ were obtained for EE-2 modified mixture at various loading frequencies and temperature in comparison to control mixture. Research limitations/implications: The Epolene modifier successfully enhances and improves the SUPERPAVE mixture performance. Further studies are required to evaluate the performance of EE-2 modifier at much lower temperature ranges. Practical implications: The results of the study allow us to recommend the investigated asphalt mixture for applied for the construction of roads in the Alfaraa (new campus of King Khalid University), Abha, Asir province, Saudi Arabia. Originality/value: A modified asphalt mixture has been proposed that has better performance at higher and lower temperatures. The developed asphalt mixture is more resistant to moisture damage than the compared to control mixture.
    Źródło:
    Archives of Materials Science and Engineering; 2021, 112, 2; 49--54
    1897-2764
    Pojawia się w:
    Archives of Materials Science and Engineering
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Elimination of microbes from different drinking water sources of Visakhapatnam using potassium permanganate: dose based disinfection approach
    Autorzy:
    Dadhich, A.S.
    Khan, H.R.
    Powiązania:
    https://bibliotekanauki.pl/articles/11840.pdf
    Data publikacji:
    2014
    Wydawca:
    Przedsiębiorstwo Wydawnictw Naukowych Darwin / Scientific Publishing House DARWIN
    Tematy:
    elimination
    microbe
    drinking water
    water source
    Visakhapatnam area
    potassium permanganate
    disinfection
    sanitation
    microbial quality
    Opis:
    Potassium permaganate has been used since ages for disinfection of water. It is known for oxidation of cell membrane of micro organisms. But the pink colour prevailing after use makes people reject the water on aesthetic grounds. Water samples from bore wells and tap water from public places were collected from different areas of Visakhapatnam. Physio-chemical and microbial analysis analyses of the water samples were carried out. A dose based permaganate treatment of water depending upon number of colony forming units and species of microorganism present in the water was carried out [1,2,5].
    Źródło:
    International Letters of Natural Sciences; 2014, 11, 1
    2300-9675
    Pojawia się w:
    International Letters of Natural Sciences
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Agro-morphological characterization of Brassica rapa L. germplasm from Azad Jammu and Kashmir
    Autorzy:
    Ashraf, M.
    Abbas, S.R.
    Begum, S.
    Gardezi, S.D.A.
    Khan, R.T.
    Powiązania:
    https://bibliotekanauki.pl/articles/12700475.pdf
    Data publikacji:
    2020
    Wydawca:
    Uniwersytet Przyrodniczy w Lublinie. Wydawnictwo Uniwersytetu Przyrodniczego w Lublinie
    Opis:
    Brassica rapa is an important crop of Azad Jammu and Kashmir which is a major source of vegetable and oil. The study was carried out to evaluate the genetic diversity among Brassica rapa germplasm grown in Azad Jammu and Kashmir based on their morphological characters and yield. The present study was carried out in the field of National Institute of Genomics and Advanced Biotechnology (NIGAB), NARC Islamabad from October 2017 to March 2018. The study showed great diversity among the germplasm for days to germination, primary branches, secondary branches, maturity, plant height, number of silique, seeds per silique, yield per plant and 1000 seed weight. The genotypes 026509, 026514 and 026548 showed maximum yield and other better morphological responses, so these genotypes should be used in future to enhance the production of this crop.
    Źródło:
    Acta Scientiarum Polonorum. Hortorum Cultus; 2020, 19, 4; 31-39
    1644-0692
    Pojawia się w:
    Acta Scientiarum Polonorum. Hortorum Cultus
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Future applications of apricot (Prunus armeniaca kaisa) ß galactosidase in dairy industry
    Autorzy:
    Ansarin, S. A
    Satar, R.
    Zaidi, S. K.
    Khan, M. J.
    Naseer, M. I.
    Al-Qahtani, M. H.
    Maskat, M. Y.
    Powiązania:
    https://bibliotekanauki.pl/articles/779412.pdf
    Data publikacji:
    2014
    Wydawca:
    Zachodniopomorski Uniwersytet Technologiczny w Szczecinie. Wydawnictwo Uczelniane ZUT w Szczecinie
    Tematy:
    apricot
    β galactosidase
    lactose hydrolysis
    dairy industries
    Opis:
    The present study demonstrates the immobilization of β galactosidase from apricots (Prunus armeniaca kaisa) on an inexpensive concanavalin A layered cellulose-alginate hybrid gel. Immobilized β galactosidase retained 78% of the initial activity after crosslinking by glutaraldehyde. It exhibited greater fraction of activity at both acidic and basic pH, and showed broad spectrum temperature optimum as compared to free enzyme. Moreover, immobilized enzyme exhibited higher thermal stability at 60oC and retained 80% of the original enzyme activity in presence of 3% galactose. The crosslinked immobilized enzyme showed improved hydrolysis of lactose from milk and whey in batch processes at 50oC as well as in continuous reactors operated at flow rate of 20 mL/h and 30 mL/h even after one month. Moreover, crosslinked adsorbed β galactosidase retained 76% activity even after its sixth repeated use, thereby promoting its use for lactose hydrolysis in various dairy products even for longer durations.
    Źródło:
    Polish Journal of Chemical Technology; 2014, 16, 3; 74-79
    1509-8117
    1899-4741
    Pojawia się w:
    Polish Journal of Chemical Technology
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Antibacterial activity of iron oxide nanoparticles synthesized by co-precipitation technology against Bacillus cereus and Klebsiella pneumoniae
    Autorzy:
    Ansari, S. A.
    Oves, M.
    Satar, R.
    Khan, A.
    Ahmad, S. I.
    Jafri, M. A.
    Zaidi, S. K.
    Algahtani, M. H.
    Powiązania:
    https://bibliotekanauki.pl/articles/778380.pdf
    Data publikacji:
    2017
    Wydawca:
    Zachodniopomorski Uniwersytet Technologiczny w Szczecinie. Wydawnictwo Uczelniane ZUT w Szczecinie
    Tematy:
    antibacterial activity
    co-precipitation
    iron oxide nanoparticles
    Klebsiella pneumoniae
    physico-chemical characterization
    Opis:
    The present study investigates the synthesis and characterization of iron oxide nanoparticles (Fe3 O4 -NPs) for their antibacterial potential against Bacillus cereus and Klebsiella pneumonia by modified disc diffusion and broth agar dilution methods. DLS and XRD results revealed the average size of synthesized Fe3 O4 -NPs as 24 nm while XPS measurement exhibited the spin-orbit peak of Fe 2p3/2 binding energy at 511 eV. Fe3 O4 -NPs inhibited the growth of K. pneumoniae and B. cereus in both liquid and soild agar media, and displayed 26 mm and 22 mm zone of inhibitions, respectively. MIC of Fe3 O4 -NPs was found to be 5 μg/mL against these strains. However, MBC for these strains was observed at 40 μg/mL concentration of Fe3 O4 -NPs for exhibiting 40–50% loss in viable bacterial cells and 80 μg/mL concentration of Fe3 O4 -NPs acted as bactericidal for causing 90–99% loss in viability. Hence, these nanoparticles can be explored for their additional antimicrobial and biomedical applications.
    Źródło:
    Polish Journal of Chemical Technology; 2017, 19, 4; 110-115
    1509-8117
    1899-4741
    Pojawia się w:
    Polish Journal of Chemical Technology
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
      Wyświetlanie 1-12 z 12

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