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Wyszukujesz frazę "Khan, T. A." wg kryterium: Autor

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    Wyświetlanie 1-11 z 11
    Tytuł:
    Change in energy and entropy of the non-spinning black holes
    Autorzy:
    Mahto, D.
    Khan, T. A.
    Kumar, A.
    Sah, R. K.
    Powiązania:
    https://bibliotekanauki.pl/articles/412037.pdf
    Data publikacji:
    2014
    Wydawca:
    Przedsiębiorstwo Wydawnictw Naukowych Darwin / Scientific Publishing House DARWIN
    Tematy:
    event-horizon
    AGN
    Entropy & Energy
    Opis:
    In the present paper, we have derived an expression for change in entropy of non-spinning black holes on the basis of formula (EBH = KBHRS) as proposed by Kanak Kumari et al. (2010) and the formula δSbh= 2π/(k.c^2 ) δE (Mahto et al., 2011) and calculated their values for different test non-spinning black holes.
    Źródło:
    International Letters of Chemistry, Physics and Astronomy; 2014, 4; 12-19
    2299-3843
    Pojawia się w:
    International Letters of Chemistry, Physics and Astronomy
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Potential of chitosan alone and in combination with agricultural wastes against the root-knot nematode, Meloidogyne incognita infesting eggplant
    Autorzy:
    Asif, M.
    Ahmad, F.
    Tariq, M.
    Khan, A.
    Ansari, T.
    Khan, F.
    Siddiqui, A.M.
    Powiązania:
    https://bibliotekanauki.pl/articles/66613.pdf
    Data publikacji:
    2017
    Wydawca:
    Polska Akademia Nauk. Czytelnia Czasopism PAN
    Tematy:
    agricultural waste
    chitosan
    eggplant
    root-knot nematode
    nematode
    Meloidogyne incognita
    pot experiment
    Opis:
    The present investigation was carried out to evaluate the potential of chitosan alone and in combination with various agricultural wastes for the management of rootknot nematode, Meloidogyne incognita on eggplant cv. ‘BR-112’ under greenhouse conditions. The results showed that chitosan as a single or joint treatment with agricultural wastes significantly (p ≤ 0.05) reduced root-knot indices, and the nematode population in soil. As a result, of this, the growth and growth yielding attributes of eggplant were remarkably augmented. Chitosan as an elicitor induced plant mediated systemic resistance against M. incognita in eggplant. The results of the study demonstrated that maximum reduction in eggmass/root, eggs/eggmasses, nematode population and root-knot indices, was acquired by the treatments: chitosan + onion and chitosan + mentha. It was followed by chitosan + Brassica, chitosan + urad and chitosan + coconut whereas, chitosan combined with corn cob waste was found to be the least effective when compared to the control. The application of chitosan alone was effective but not very satisfactory. Compared to the control applications of all the treatments significantly increased plant growth in terms of length, fresh and dry weights, pollen fertility, yield and biochemical parameters such as chlorophyll, carotenoid content and antioxidant enzymes. This may have been due to the eliciting activity of chitosan, causing systemic resistance in the plant and the release of various toxic chemical compounds during decomposition which have lethal effects against the second stage juveniles of M. incognita and nematode multiplication.
    Źródło:
    Journal of Plant Protection Research; 2017, 57, 3
    1427-4345
    Pojawia się w:
    Journal of Plant Protection Research
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    On Micromachining with a Focus on Miniature Gears by Non Conventional Processes. A Status Report
    Autorzy:
    Chaudhary, T.
    Siddiquee, A. N.
    Chanda, A. K.
    Khan, Z. A.
    Powiązania:
    https://bibliotekanauki.pl/articles/139762.pdf
    Data publikacji:
    2018
    Wydawca:
    Polska Akademia Nauk. Czytelnia Czasopism PAN
    Tematy:
    wire electrical discharge machining
    WEDM
    electrochemical machining
    ECM
    micro-electrical discharge machining
    micro-EDM
    wycinanie elektroerozyjne
    obróbka elektrochemiczna
    mikroobróbka elektroerozyjna
    mikro-EDM
    Opis:
    Recent developments in automation and technology have revolutionized the way products are made. It is directly seen in the evolution of part miniaturization in the sectors such as aerospace, electronics, biomedicine and medical implants. Micromachining is a promising technology to fulfill the need of miniaturization. A review has been done on the micromachining processes such as micro electric discharge machining (micro-EDM) and wire EDM (WEDM), micro electrochemical machining (micro-ECM). Recent literature were studied and categorized in terms of materials, process parameters, performances, product manufactured, and miniature product generation. Starting with brief introduction to micromachining, classifications and applications, technical aspects of discussions from the literature have been presented on key factors such as parameters and the response variables. Important aspects of recast layer, heat effected zone, micro-hardness, micro cracks, residual stress, etc., have been given. A special focus is given to the status of the research on microgear manufacturing. Comparison has been made between other conventional process suitable for micro-gear manufacturing and WEDM. The miniature gear machined by WEDM shows the defect-free microstructure, better surface finish, thin recast layer and improved gear quality parameters such as profile and pitch. Finally, the research gaps and future research directions have been presented.
    Źródło:
    Archive of Mechanical Engineering; 2018, LXV, 1; 129-169
    0004-0738
    Pojawia się w:
    Archive of Mechanical Engineering
    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:
    Antibiofilm activity against Staphylococcus aureus and content analysis of Taraxacum Officinale phenolic extract
    Autorzy:
    Xu, P.
    Xu, X.B.
    Khan, A.
    Fotina, T.
    Wang, S.H.
    Powiązania:
    https://bibliotekanauki.pl/articles/2087162.pdf
    Data publikacji:
    2021
    Wydawca:
    Polska Akademia Nauk. Czytelnia Czasopism PAN
    Tematy:
    Taraxacum Officinale
    phenolic
    antibacterial mechanism
    HPLC
    Staphylococcus aureus
    Źródło:
    Polish Journal of Veterinary Sciences; 2021, 24, 2; 243-251
    1505-1773
    Pojawia się w:
    Polish Journal of Veterinary 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:
    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:
    Effect of standard operating procedure on the Whisker and Hand Brush process of denim garments
    Autorzy:
    Khan, Md. Humayun Kabir
    Siddiquee, Md. Abu Bakar
    Moula, A. T. M. Gulam
    Islam, Md. Azharul
    Powiązania:
    https://bibliotekanauki.pl/articles/1030610.pdf
    Data publikacji:
    2020
    Wydawca:
    Przedsiębiorstwo Wydawnictw Naukowych Darwin / Scientific Publishing House DARWIN
    Tematy:
    Cause effect
    Defects
    Denim
    Hand Brush
    Quality
    Reworks
    SOP
    Whisker
    Opis:
    Denim industry is one of the emerging sectors in the world among all woven garments industry. The rapid changing monetary conditions like as global challenge, declining overall revenue, client interest for high quality item, variety of product and diminished lead–time and so on had a crucial impact on manufacturing plants. The interest for higher incentive at lower cost is expanding and to endure, clothing makers need to enhance their operation through-delivering right first-time quality and reduction of waste or reworks. Defects are the main concern in quality assurance of denim garments. Most of the defects are visualize in denim washing. This research emphasizes the cause effect and remedy of washing defects of denim garments. This research initiated by collecting quality inspected data of consecutive three months for the Whisker and Hand Brush process to have an overview of the defects of the washing plant and then analyzed the root causes and effects of the defects to provide a recommended solution both for Whisker and Hand Brush process on which standard operating procedure (SOP) is introduced to reduce the level of defects. After ensuring the standard operating procedure both for dry and wet process, quality inspected data was recorded for the following three months for Whisker and Hand Brush process. Finally, a significant level of defects is reduced in Whisker and Hand Brush process.
    Źródło:
    World Scientific News; 2020, 144; 338-357
    2392-2192
    Pojawia się w:
    World Scientific News
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Biofortification and the involved modern approaches
    Autorzy:
    Athar, T.
    Khan, M.K.
    Pandey, A.
    Yilmaz, F.G.
    Hamurcu, M.
    Hakki, E.E.
    Gezgin, S.
    Powiązania:
    https://bibliotekanauki.pl/articles/15075.pdf
    Data publikacji:
    2020
    Wydawca:
    Uniwersytet Warmińsko-Mazurski w Olsztynie / Polskie Towarzystwo Magnezologiczne im. Prof. Juliana Aleksandrowicza
    Źródło:
    Journal of Elementology; 2020, 25, 2
    1644-2296
    Pojawia się w:
    Journal of Elementology
    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:
    Peach antioxidant and phenolic activities influenced by the application of 1-methylcyclopropene (1-MCP) at post-harvest
    Autorzy:
    Shah, S.T.
    Sajid, M.
    Khan, N.U.
    Rab, A.
    Amin, N.U.
    Arif, M.
    Haleema, B.
    Saeed, S.
    Powiązania:
    https://bibliotekanauki.pl/articles/12297475.pdf
    Data publikacji:
    2019
    Wydawca:
    Uniwersytet Przyrodniczy w Lublinie. Wydawnictwo Uniwersytetu Przyrodniczego w Lublinie
    Tematy:
    plant cultivation
    peach tree
    Prunus persica
    fruit tree
    antioxidant activity
    phenolic compound activity
    1-methylcyclopropene
    catalase activity
    fruit
    fruit decay
    storage durability
    shelf life
    Opis:
    Early maturing peach (Prunus persica) cultivars can fetch good market value but face a lot of post-harvest problems that lead to the post-harvest losses. The 1-methylcyclopropene (1-MCP) can provide new insights into plant ethylene responses and extend the shelf life and quality of fruits. Therefore, fruits of peach cultivar ‘Early Grand’ were dipped in various concentrations of 1-MCP (0, 0.3, 0.6 and 0.9 µg l–1), stored for 40 days at 8 ±2°C with 50% relative humidity and analyzed the fruits for physicochemical attributes at 10 days interval. The highest concentration of 1-MCP at 0.9 µg l–1 significantly improved the activity of antioxidants, catalase, free radical scavenging assay and total phenols. However, the peach fruits treated with 1MCP at 0.6 µgL–1 was effective in retaining the ascorbic acid, lowering the weight loss and fruit decay. Therefore, peach fruits can be treated with 1-MCP (0.6 µg l–1) solution for prolonging its shelf life up to 40 days under low temperature.
    Źródło:
    Acta Scientiarum Polonorum. Hortorum Cultus; 2019, 18, 2; 71-85
    1644-0692
    Pojawia się w:
    Acta Scientiarum Polonorum. Hortorum Cultus
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
      Wyświetlanie 1-11 z 11

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