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    Tytuł:
    Statistical Analyses of Productivity Model Parameters for Process Improvement
    Autorzy:
    Hussain, Zahid
    Powiązania:
    https://bibliotekanauki.pl/articles/102354.pdf
    Data publikacji:
    2019
    Wydawca:
    Stowarzyszenie Inżynierów i Techników Mechaników Polskich
    Tematy:
    statistical analyses
    process modeling
    experimental design
    process improvement
    analizy statystyczne
    modelowanie procesów
    projektowanie eksperymentalne
    doskonalenie procesów
    Opis:
    Productivity modeling and validation is the assessment of data to establish scientific indications that a process is stable. The aim of this paper is to present a novel approach using statistical analyses for process improvement. This study highlights the process behavior of three different lathe machines unit with the intention to replace one of them. The research methodology has illustrated by producing a steel rod of 3.175 millimeter diameter based on 180 samples collected from each machine. For statistical data value analysis, MS Excel 2016 and Minitab 18 were utilized. The results showed that lathe machine 1 and 2 had an equivalent inconsistency, but significantly different data spreads. Similarly, the throughput for machine 2 was higher with greater variability as compared to machine 1 while machine 3 encountered a low rate of throughput. On the basis of the fallouts of the analysis, the research team has officially suggested to substitute lathe machine 3.
    Źródło:
    Advances in Science and Technology. Research Journal; 2019, 13, 2; 157-167
    2299-8624
    Pojawia się w:
    Advances in Science and Technology. Research Journal
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Implementing Monte Carlo simulation model for revenue forecasting under the impact of risk and uncertainty
    Autorzy:
    Hussain, Zahid
    Powiązania:
    https://bibliotekanauki.pl/articles/406901.pdf
    Data publikacji:
    2019
    Wydawca:
    Polska Akademia Nauk. Czytelnia Czasopism PAN
    Tematy:
    risk analysis
    management
    Monte Carlo
    simulation model
    crystal ball package software
    production uncertainty
    Opis:
    In the existent world of continuous production systems, strong attention has been waged to anonymous risk that probably generates significant apprehension. The forecast for net present value is extremely important for any production plant. The objective of this paper is to implement Monte Carlo simulation technique for perceiving the impact of risk and uncertainty in prediction and forecasting company’s profitability. The production unit under study is interested to make the initial investment by installing an additional spray dryer plant. The expressive values acquied from the Monte Carlo technique established a range of certain results. The expected net present value of the cash flow is $14,605, hence the frequency chart outcomes confirmed that there is the highest level of certainty that the company will achieve its target. To forecast the net present value for the next period, the results confirmed that there are 50.73% chances of achieving the outcomes. Considering the minimum and maximum values at 80% certainty level, it was observed that 80% chances exist that expected outcomes will be between $5,830 and $22,587. The model’s sensitivity results validated that cash inflows had a greater sensitivity level of 21.1% and the cash inflows for the next year as 19.7%. Cumulative frequency distribution confirmed that the probability to achieve a maximum value of $23,520 is 90 % and for the value of $6,244 it is about 10 %. These validations suggested that controlling the expenditures, the company’s outflows can also be controlled definitely.
    Źródło:
    Management and Production Engineering Review; 2019, 10, 4; 81-89
    2080-8208
    2082-1344
    Pojawia się w:
    Management and Production Engineering Review
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Assessment of integrated indoor environmental air quality parameters in selected church buildings of Faisalabad city: a statistical based comparative study
    Autorzy:
    Hussain, Zahid
    Khan, Mohammad S.
    Kundi, Kundi
    Alaf, Kashif
    Ullah, Yasir
    Powiązania:
    https://bibliotekanauki.pl/articles/35518580.pdf
    Data publikacji:
    2021
    Wydawca:
    Szkoła Główna Gospodarstwa Wiejskiego w Warszawie. Wydawnictwo Szkoły Głównej Gospodarstwa Wiejskiego w Warszawie
    Tematy:
    indoor air quality
    church buildings
    particulate matter
    public health
    air pollution
    Opis:
    The objective of this study is to control the air quality parameters for a selected range of different particulate matters. A comprehensive experimental approach is established to regulate the quality of air about a selected range of different air pollutants being investigated in the indoor atmosphere of the church building. Relative humidity, temperature, carbon dioxide, particulate matter and radon were considered as the factors of air quality extents. For establishing the association among the selected parameters, the data were mathematically analyzed. The correlation coefficient confirmed a strong relationship between the indoor CO2 level and the number of public. A negative relationship between the indoor CO2 extent and indoor temperature confirmed that due to the increase in temperature the concentration of CO2 decreased as well. A solid adverse connection among indoor relative humidity and indoor air temperature showed that due to the increase in air temperature, the level of the relative humidity decreased. Some recommendations were proposed for the treatment of air quality in church buildings for human well-being.
    Źródło:
    Scientific Review Engineering and Environmental Sciences; 2021, 30, 1; 134-147
    1732-9353
    Pojawia się w:
    Scientific Review Engineering and Environmental Sciences
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Causal Relationship of Market Orientation and Customer-Based Performance of Fashion Apparel Brands
    Autorzy:
    Gul, Rana Faizan
    Liu, Dunnan
    Jamil, Khalid
    Hussain, Zahid
    Awan, Fazal Hussain
    Anwar, Aliya
    Qin, Guangyu
    Powiązania:
    https://bibliotekanauki.pl/articles/2056288.pdf
    Data publikacji:
    2021
    Wydawca:
    Sieć Badawcza Łukasiewicz - Instytut Biopolimerów i Włókien Chemicznych
    Tematy:
    market orientation
    customer orientation
    competitor orientation
    interfunctional orientation
    consumer-based performance
    fashion apparel
    Opis:
    This study was conducted to determine the impact of market orientation on the consumer-based performance of fashion apparel brands. The study also reveals the moderating effect of employee orientation on market orientation and consumer-based performance. The sample of 270 respondents of this study consists of managerial staff who have decisive power with regard to apparel brands in Pakistan. The findings of this study express that all three dimensions of market orientation have a significant and positive impact on the consumer-based performance of fashion apparel brands. Furthermore, the study finds no moderation between customer orientation and consumer-based performance, while for the remaining two dimensions, there is a positive moderation. The management of fashion apparel firms must give considerable importance to market orientation to enhance overall consumer-based performance. This study contributes valuable literature because it focuses on the fashion apparel industry, which is most important for very nearly everyone in the present era.
    Źródło:
    Fibres & Textiles in Eastern Europe; 2021, 6 (150); 11--17
    1230-3666
    2300-7354
    Pojawia się w:
    Fibres & Textiles in Eastern Europe
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Performance Evaluation of Upholstery Fabric Developed from Recycled Fibres
    Ocena tkaniny obiciowej z włókien pochodzących z recyklingu
    Autorzy:
    Jamshaid, Hafsa
    Zahid, Bilal
    Rajput, Abdul Waqar
    Hussain, Sajid
    Hussain, Uzair
    Powiązania:
    https://bibliotekanauki.pl/articles/2056315.pdf
    Data publikacji:
    2021
    Wydawca:
    Sieć Badawcza Łukasiewicz - Instytut Biopolimerów i Włókien Chemicznych
    Tematy:
    melange yarn
    recycle waste
    upholstery
    abrasion resistance
    przędza melanżowa
    recykling odpadów
    tapicerka
    odporność na ścieranie
    Opis:
    The aim of this work was to investigate the properties of upholstery fabric produced from recycled hard waste of coloured fabric clippings. Mélange yarns were formed with the combination of red, green, black and yellow in different ratios. Five yarn samples of 5 Nec linear density were produced from each blend ratio using the rotor spinning technique. These yarns were used to develop fabric samples in a satin weave. These yarn and fabric samples were investigated for different quality parameters, especially the abrasion resistance, pilling resistance, absorbency and light fastness of the fabrics as per standard test methods. The abrasion test is important for the durability and longer-lasting performance of upholstery fabric. From the analysis of test results, it is concluded that all the serviceability properties are in a good range, and these fabrics can be used for waiting room area upholstery fabric.
    Celem pracy było zbadanie właściwości tkanin obiciowych wytworzonych z recyklingu odpadów kolorowych ścinków tkanin. Przędze melanżowe powstały z połączenia czerwonego, zielonego, czarnego i żółtego koloru w różnych proporcjach. Wytworzono pięć próbek przędzy z każdego stosunku mieszanki przy użyciu techniki przędzenia rotorowego. Przędze zostały wykorzystane do opracowania próbek tkanin. Następnie próbki przędzy i tkanin zbadano pod kątem różnych parametrów jakościowych, w szczególności odporności na ścieranie, odporności na pilling, chłonności i odporności na światło tkanin zgodnie ze standardowymi metodami badawczymi. Test ścieralności jest ważny z punktu widzenia trwałości tkaniny obiciowej. Z analizy wyników badań wynikało, że wszystkie właściwości użytkowe mieszczą się w dobrym zakresie, a tkaniny te mogą być stosowane jako tkaniny obiciowe.
    Źródło:
    Fibres & Textiles in Eastern Europe; 2021, 5 (149); 46--49
    1230-3666
    2300-7354
    Pojawia się w:
    Fibres & Textiles in Eastern Europe
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Characterisation of Interlock Knitted Fabric with Different Feed Patterns to Improve Thermal and Sensorial Comfort
    Charakterystyka dzianin interlokowych z różnymi schematami podawania przędzy w celu poprawy komfortu termicznego i sensorycznego
    Autorzy:
    Jamshaid, Hafsa
    Rajput, Abdul Waqar
    Zahid, Bilal
    Hussain, Sajid
    Powiązania:
    https://bibliotekanauki.pl/articles/1419616.pdf
    Data publikacji:
    2021
    Wydawca:
    Sieć Badawcza Łukasiewicz - Instytut Biopolimerów i Włókien Chemicznych
    Tematy:
    knitted fabric
    interlock structure
    comfort
    feed pattern
    dzianina
    struktura splotu
    komfort
    schemat podawania
    Opis:
    This study reports an investigation of the effect of different cellulose materials and yarn feeding patterns on thermo-physiological comfort, sensorial comfort, serviceability/pilling and ultraviolet properties. An interlock structure with a combination of hydrophilic and hydrophobic material was developed in such a way that each material was prominent in consecutive wales or courses. The yarn feed pattern in interlock fabric overcomes the limitation of plaited single jersey fabrics. Cellulose – based hydrophilic natural and regenerated fibres were used i.e cotton, model and viscose rayon, as well as hydrophobic synthetic fibre i.e. polyester for manufacturing fabric samples. By comparing the results, it became clear that wale-wise alternate yarns provide better overall moisture management properties than course-wise. Similarly, for fabric handle and pilling properties, wale-wise alternate yarn provides better properties. Interlock fabrics with the TransDRY® Technology effect are liable for use in protective textiles, medical textiles and in other functional textiles/children’s clothing.
    W pracy badano wpływ różnych materiałów celulozowych i schematów podawania przędzy na komfort termofizjologiczny, komfort sensoryczny, użyteczność/mechacenie i odporność na działanie promieniowania UV. Opracowano strukturę blokującą z połączeniem materiału hydrofilowego i hydrofobowego w taki sposób, aby każdy materiał był widoczny w kolejnych rządkach i kolumienkach. Do produkcji próbek dzianin wykorzystano hydrofilowe włókna naturalne i włókna regenerowane na bazie celulozy, tj. bawełnę i jedwab wiskozowy, a także hydrofobowe włókno syntetyczne, czyli poliester. Po porównaniu wyników stwierdzono, że alternatywne przędze zapewniają lepsze właściwości zarządzania wilgocią. Podobne wnioski zostały wyciągnięte, jeśli chodzi o chwyt tkaniny i mechacenie się. Stwierdzono, że dzianiny interlokowe z wykorzystaniem technologii TransDRY® mogą być z powodzeniem stosowane w tekstyliach ochronnych, medycznych i innych tekstyliach funkcjonalnych oraz odzieży dziecięcej.
    Źródło:
    Fibres & Textiles in Eastern Europe; 2021, 3 (147); 80-85
    1230-3666
    2300-7354
    Pojawia się w:
    Fibres & Textiles in Eastern Europe
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Assessing the organizational commitment, subjective vitality and burnout effects on turnover intention in private universities
    Autorzy:
    Parmar, Vishnu
    Channar, Zahid Ali
    Ahmed, Rizwan Raheem
    Streimikiene, Dalia
    Pahi, Munwar Hussain
    Streimikis, Justas
    Powiązania:
    https://bibliotekanauki.pl/articles/19322490.pdf
    Data publikacji:
    2022
    Wydawca:
    Instytut Badań Gospodarczych
    Tematy:
    turnover intention
    job burnout
    emotional exhaustion
    organizational cynicism
    professional efficacy
    subjective vitality
    affective commitment
    normative commitment
    continuance commitment
    Opis:
    Research background: Faculties of private universities are under immense working pressure, which causes stress and burnout. The job burnout triggers the psychological pressure, which increases the turnover intention.  Purpose of the article: The undertaken study aims to evaluate the scale of burnout with its three-element model, which affects faculty members of private universities of Pakistan. This research also aims to examine the mediating effect of organizational commitment (e.g., affective, normative & continuance commitments), and moderating influence of subjective vitality in a relationship of job burnout and its constituents, for example exhaustion, efficacy & cynicism, and the turnover intention. Methods: The 712 responses were collected through a structured questionnaire from the junior and senior faculty members of private universities of Pakistan. The data was examined by using second order partial least square - structural equation approach - PLS-SEM. Findings & value added: The research findings exhibited that emotional exhaustion, cynicism, and professional efficacy have a direct significant influence on job burnout. The findings further demonstrated that the job burnout has a cogent and negative impact on faculty turnover intention. The findings demonstrated that elements of organizational commitment (e.g., normative, affective & continuance commitments) have a forceful serial mediating influence between burnout & its constituents for example exhaustion, efficacy & cynicism, and turnover intention. Finally, the findings have revealed that subjective vitality has a significant and positive impact as a moderating variable in a relationship between job burnout and turnover intention. This research has a long-term theoretical contribution, as it provides a novel conceptual framework, which can be replicated in different industries. Thus, this unique model provides the solution to reduce employees' turnover for other industries as well. 
    Źródło:
    Oeconomia Copernicana; 2022, 13, 1; 251-286
    2083-1277
    Pojawia się w:
    Oeconomia Copernicana
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Aba Sensitivity as a Criterion for Drought Tolerance in Wheat (Triticum Aestivum L.) Cultivars
    Autorzy:
    Razzaq, Abdul
    Rashid, Madiha
    Shfique, Talal Ahmad
    Hafeez, Abdul
    Jhanzab, Hafiz Muhammad
    Shabir, Ghulam
    Shah, Zahid Hussain
    Powiązania:
    https://bibliotekanauki.pl/articles/2199671.pdf
    Data publikacji:
    2016-12-20
    Wydawca:
    Instytut Hodowli i Aklimatyzacji Roślin
    Tematy:
    ABA
    chlorophyll
    inhibition
    proline
    Opis:
    Criteria used for evaluating drought tolerance of wheat cultivars demanding more time and efforts are usually not efficient and conclusive. Present study was conducted to evaluate ABA sensitivity as a criterion for evaluating drought tolerance of wheat cultivars at an early stage. Ten cultivars of wheat were subjected to drought at 3-leaf stage to select the most sensitive and two tolerant cultivars using mortality rate. Tatara was found the most susceptible whereas GA-2002 and Chakwal-50 were the cultivars with maximum drought tolerance. These cultivars were used to study sensitivity to applied absicic acid (based on germination index and relative growth inhibition rate) and physiological responses (leaf water content, chlorophyll stability index, coefficient of relative inhibition and proline accumulation) under drought stress. Highest ABAsensitivity was recorded in GA-2002 and Chakwal-50 whereas Tatara manifested minimum sensitivity. ABAsensitivity corresponded to physiological indices of drought tolerance. Results show that ABA-sensitivity is an efficient criterion that can be used to evaluate drought tolerance of wheat cultivars at early stage.
    Źródło:
    Plant Breeding and Seed Science; 2016, 74; 73-84
    1429-3862
    2083-599X
    Pojawia się w:
    Plant Breeding and Seed Science
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
      Wyświetlanie 1-10 z 10

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