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    Wyświetlanie 1-9 z 9
    Tytuł:
    The impact of lean management implementation on organizational operational performance
    Wpływ wdrożenia zarządzania typu lean na działania operacyjno-organizacyjne
    Autorzy:
    Hashmi, H.
    Khan, N. R.
    Haq, M. A.
    Powiązania:
    https://bibliotekanauki.pl/articles/361959.pdf
    Data publikacji:
    2015
    Wydawca:
    Wyższa Szkoła Logistyki
    Tematy:
    operational performance
    daily schedule adherence
    repeat production
    flow oriented layout
    działalność operacyjna
    przestrzeganie dziennego harmonogramu
    powtarzalność produkcji
    schemat przepływu
    Opis:
    Background: The research aims to develop the consensus between different operational improvement strategies, to address the relationship between the operational characteristics (lean) and operational performance of the organization. Methods: Variables from which the extraction of the outcomes has been established include operational performance, daily schedule adherence, repeat production and flow oriented layout. The technique of data analysis is selected to be Correlation and multiple regressions. The aim for performing these tests is to highlight association of lean strategy with the operational performance. Results and conclusions: The positive association is being established amongst the operational performance and the daily schedule adherence, flow oriented layout and the repeat production. It is suggested to the supply chain management that they must entail their production team for having repetition in their work and become efficient in their production. They must be reached to their optimization level, where they have to extract less waste and have high level of the production.
    Wstęp: Celem pracy jest opracowanie konsensusu pomiędzy różnymi operacyjnymi strategiami usprawniającymi w celu znalezienia zależności pomiędzy operacyjnymi cechami organizacji a jej postępowaniem operacyjnym. Metody: Zmienne niezależne, które zostały użytego dla uzyskania zmiennej zależnej to działalność operacyjna, przestrzeganie dziennego harmonogramu, powtarzalność produkcji oraz schemat przepływu. Dane zostały poddane analizie korelacji i regresji wielokrotnej. Celem tych analiz był zbadanie zależności pomiędzy strategią Lean a działalnością operacyjną. Wyniki wnioski: Stwierdzono pozytywną zależność pomiędzy działalnością operacyjną a przestrzeganiem dziennego harmonogramu, powtarzalnością produkcji oraz schematem przepływu. Powinno to służyć jako wskazówka dla zarządzających łańcuchem dostaw aby dążyli do powtarzalności w swojej pracy, co pozwoli na osiągnięcie efektywności produkcji. Należy osiągnąć optymalny poziom, przy którym poziom strat będzie najniższy a poziom produkcji najwyższy.
    Źródło:
    LogForum; 2015, 11, 4; 375-385
    1734-459X
    Pojawia się w:
    LogForum
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Effect of nutrient media and phytohormones on in vitro establishment of Bambusa balcooa Roxb.
    Autorzy:
    Khan, H.R.
    Burla, S.
    Siri, N.
    Lavanya, P.
    Powiązania:
    https://bibliotekanauki.pl/articles/11261.pdf
    Data publikacji:
    2014
    Wydawca:
    Przedsiębiorstwo Wydawnictw Naukowych Darwin / Scientific Publishing House DARWIN
    Tematy:
    nutrient
    phytohormone
    in vitro
    establishment
    Bambusa balcooa
    bamboo
    plant growth regulator
    Opis:
    Bambusa balcooa.Roxb. is one of the most commercially important bamboo species. Some varieties of bamboo are being grown in the company’s green house. However this species is very rare and it was not cultured until now due to lack of demand and maintenance problems. In this work B. balcooa ex-plants have been established and propagated by the axillary shoot bud proliferation method. Earlier several works have been done on this plant and a protocol has been. This work emphasizes on effects of phytohormones at different concentrations and combinations upon the novel propagules that develop from the bamboo explants on placing them in multiplication media. The propagules placed in media containing cytokinins BAP (2 mg/L) and Kinetin (1 mg/L) exhibited best results of linear as well as radial growth. The other propagules in media with combinations of BAP, Kinetin and NAA were found to be dried out and did not depict noticeable growth. Comparatively next best growth pattern to the former was observed in control media that lacked phytohormones. This experiment was helpful in estimating the quantity and effect of particular plant growth regulating hormones on the Bambusa balcooa.Roxb.
    Źródło:
    International Letters of Natural Sciences; 2014, 12, 1
    2300-9675
    Pojawia się w:
    International Letters of Natural Sciences
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Phase Transition in Quasi-Two-Dimensional Horizontally Driven Granular System
    Autorzy:
    Shah, S.
    Li, Y.
    Khan, W.
    Din, N.
    Chand, R.
    Powiązania:
    https://bibliotekanauki.pl/articles/1489921.pdf
    Data publikacji:
    2012-03
    Wydawca:
    Polska Akademia Nauk. Instytut Fizyki PAN
    Tematy:
    81.05.Rm
    64.60.-i
    Opis:
    In an experimental setup, consisting of quasi-two-dimensional square cell, the motion of monodisperse spherical steel balls is studied. The cell is vibrated horizontally to eradicate the compaction of balls due to gravity. By raising the number density of the steel balls, the dilute fluid has been gradually alternated into dense fluid. The temperature of granular media, along the driven and transverse directions, has been found to be anisotropic. Transition from granular gas to the liquid-like fluid has been observed. The radial distribution function of the balls in the cell is investigated for the authentication of the structural changes. Furthermore, the fast Fourier transformation for the 2D system is carried out to confirm these changes.
    Źródło:
    Acta Physica Polonica A; 2012, 121, 3; 699-702
    0587-4246
    1898-794X
    Pojawia się w:
    Acta Physica Polonica A
    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:
    Effect of waste rubber powder as filler for plywood application
    Autorzy:
    Ong, H. R.
    Khan, M. R.
    Yousuf, A.
    Jeyaratnam, N.
    Prasad, D. M. R.
    Powiązania:
    https://bibliotekanauki.pl/articles/779508.pdf
    Data publikacji:
    2015
    Wydawca:
    Zachodniopomorski Uniwersytet Technologiczny w Szczecinie. Wydawnictwo Uczelniane ZUT w Szczecinie
    Tematy:
    waste rubber powder
    melamine-urea formaldehyde resin
    filler
    wood adhesive
    plywood
    Opis:
    The study investigated the suitability of waste rubber powder (WRP) use as filler in adhesive formulation for plywood application. Melamine Urea Formaldehyde (MUF) was employed as resin for formulating the wood adhesive. To improve chemical properties and bonding quality of adhesive, WRP was treated by different chemicals like 20% nitric acid, 30% hydrogen peroxide and acetone solution. The treated WRP were analysed by XRD and it showed that inorganic compounds were removed and carbon was remained as major component under the treatment of 20% HNO3. The treatment improved the mechanical properties like shear strength and formaldehyde emission of plywood (high shear strength and low formaldehyde emission). The physico-chemical interaction between the wood, resin and filler was investigated using fourier transform infrared spectroscopic (FTIR) technique and the interactions among N-H of MUF and C=O of wood and WRP were identified. The morphology of wood-adhesive interface was studied by field emission scanning electron microscope (FESEM) and light microscope (LM). It showed that the penetration of adhesives and fillers through the wood pores was responsible for mechanical interlocking. Therefore, chemically treated WRP proved its potential use as filler in MUF based adhesive for making plywood.
    Źródło:
    Polish Journal of Chemical Technology; 2015, 17, 1; 41-47
    1509-8117
    1899-4741
    Pojawia się w:
    Polish Journal of Chemical Technology
    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:
    Extension of shelf-life of tomato using irradiated chitosan and its physical and biochemical characteristics
    Autorzy:
    Parvin, N.
    Kader, M.A.
    Huque, R.
    Molla, M.E.
    Khan, M.A.
    Powiązania:
    https://bibliotekanauki.pl/articles/10996.pdf
    Data publikacji:
    2018
    Wydawca:
    Przedsiębiorstwo Wydawnictw Naukowych Darwin / Scientific Publishing House DARWIN
    Źródło:
    International Letters of Natural Sciences; 2018, 67
    2300-9675
    Pojawia się w:
    International Letters of Natural 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:
    Immunogenicity of recombinant bacterial antigens expressed as fusion proteins in transgenic rice seeds
    Autorzy:
    Zaman, S.
    Islam, S.M.T.
    Khan, M.K.
    Alam, M.M.
    Uddin, M.I.
    Baby, N.I.
    Islam, S.
    Bhuiyan, T.R.
    Qadri, F.
    Seraj, Z.I.
    Powiązania:
    https://bibliotekanauki.pl/articles/80383.pdf
    Data publikacji:
    2017
    Wydawca:
    Polska Akademia Nauk. Czytelnia Czasopism PAN
    Tematy:
    rice seed
    transgenic rice plant
    gene sequence
    fusion protein
    tuberculosis
    vaccine
    oral vaccine
    Ag85B antigen
    cholera
    bacterial antigen
    immunogenicity
    Źródło:
    BioTechnologia. Journal of Biotechnology Computational Biology and Bionanotechnology; 2017, 98, 4
    0860-7796
    Pojawia się w:
    BioTechnologia. Journal of Biotechnology Computational Biology and Bionanotechnology
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
      Wyświetlanie 1-9 z 9

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