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    Wyświetlanie 1-7 z 7
    Tytuł:
    Assessment of Environmental and Economic Impacts of Municipal Solid Wastes Management System: A Case Study
    Autorzy:
    Mosbah, Ezzeddine B.
    Alsanad, Mohammed A.
    Sassine, Youssef N.
    Powiązania:
    https://bibliotekanauki.pl/articles/2025720.pdf
    Data publikacji:
    2021
    Wydawca:
    Polskie Towarzystwo Inżynierii Ekologicznej
    Tematy:
    environmental impact
    economic impact
    municipal solid waste management
    MSW
    life cycle analysis
    life cycle cost analysis
    Saudi Arabia
    LCA&LCCA
    Opis:
    In pursuance of the Saudi vision 2030, the Al-Hasa municipality has been allocating a total of US$ 60.1 million since 2018 to the implementation of a modern Municipal Solid Wastes (MSW) management system. In addition to the improved old components, the system involves six new-engineered cells, five of which will be gradually implemented in progresses, two waste sort-out lines station, and LFG energy recovery. The present research aimed at investigating the environmental and economic impacts of this MSW management system. For this purpose, the authors applied the Life Cycle Analysis (LCA) and Life Cycle Costs Analysis (LCCA) approaches. The main results showed that the air quality was not affected. For instance, gas emission, like carbon monoxide, was less than 0.1 ppm. However, soil and groundwater were contaminated due to leachate infiltration from the uncontrolled cell in which Chloride, Nitrate, and Sulfate exceeded the maximum limits. As for noise, it was found to be high near the sorting-out station at 71.1 Leq dBA. In terms of the financial aspect, the improved MSW management was relatively feasible despite its high costs over its revenues. Thus, the negative cash-flow could be supplemented by setting household taxes at US$ 29 per capita per year, which makes the project cost-effective. Thus, the research recommends continuing the MSW management project.
    Źródło:
    Journal of Ecological Engineering; 2022, 23, 1; 137-145
    2299-8993
    Pojawia się w:
    Journal of Ecological Engineering
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Effect of different balance training programs on postural control in chronic ankle instability: a randomized controlled trial
    Autorzy:
    Youssef, N. M.
    Abdelmohsen, A. M.
    Ashour, A. A.
    Elhafez, N. M.
    Elhafez, S. M.
    Powiązania:
    https://bibliotekanauki.pl/articles/307467.pdf
    Data publikacji:
    2018
    Wydawca:
    Politechnika Wrocławska. Oficyna Wydawnicza Politechniki Wrocławskiej
    Tematy:
    trening równowagi
    przewlekła niestabilność kostki
    kontrola postawy ciała
    balance training
    postural control
    chronic ankle instability
    Opis:
    Chronic ankle instability (CAI) is a common sequence of ankle sprain. Conservative treatment of CAI is currently accepted as a primary mean of managing the condition and preventing of recurrence. Objectives: The purpose of the current study was to evaluate the effect of Weight-bearing Exercise for Better Balance (WEBB) program and unilateral balance training exercises on postural control in females with CAI. Methods: Thirty-five females with CAI participated in this study. The participants’ mean values of age, body mass, height, and body mass index were 21.76 ± 1.96 y, 64.82 ± 9.37 kg, 161.85 ± 7.24 cm, and 24.76 ± 3.76 kg/m², respectively. They were randomly assigned into three groups: experimental group A (n = 13) who received WEBB program, experimental group B (n = 12) who received unilateral balance training, and control group C (n = 10) using statistical random tables. Balance parameters were measured for all participants via Biodex Balance System (BBS) before and after four weeks of balance training. They included overall stability index (OASI), antero-posterior stability index (APSI), and medio-lateral stability index (MLSI). Results: There was a significant improvement in the post testing mean values of OASI and APSI, compared with the pre testing values in both experimental groups (A and B). There was no significant difference between the pre and post testing mean values of MLSI in the experimental group (A). Conclusions: Both WEBB program and unilateral balance training have positive effects on postural control in females with CAI.
    Źródło:
    Acta of Bioengineering and Biomechanics; 2018, 20, 2; 159-169
    1509-409X
    2450-6303
    Pojawia się w:
    Acta of Bioengineering and Biomechanics
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Effect of reniform nematode, Rotylenchulus reniformis as biotic inducer of resistance against root-knot nematode, Meloidogyne incognita in potato
    Autorzy:
    Osman, H.A.
    Youssef, M.M.A.
    Youssef El-Gindi, A.E.M.
    Ameen, H.H.
    Abd-Hameid Abt-Elbary, N.
    Shawky Lashein, A.M.
    Powiązania:
    https://bibliotekanauki.pl/articles/65443.pdf
    Data publikacji:
    2012
    Wydawca:
    Polska Akademia Nauk. Czytelnia Czasopism PAN
    Opis:
    A greenhouse experiment was conducted to evaluate the preinoculation of reniform nematode, Rotylenchulus reniformis for inducing resistance against Meloidogyne incognita in potato plants. Potato plants were inoculated with reniform nematode three days before the same plants received a root knot nematode inoculation. There was a reduction in the population parameters of the root knot nematode compared to plants given only a single inoculation. The studied potato plants which had two inoculations, also had enhanced growth parameters. The activity of the enzymes; peroxidase, polyphenol oxidase, and chitinase increased in the inoculated plants compared to the non-inoculated control.
    Źródło:
    Journal of Plant Protection Research; 2012, 52, 3
    1427-4345
    Pojawia się w:
    Journal of Plant Protection Research
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Impact of simulated acid rains on leakage of mineral elements from foliage of conifers and monocotyledons – adaptability matters
    Autorzy:
    Diatta, J.
    Wróbel, M.
    Gawroński, D.
    Niemann, J.
    Przygocka-Cyna, K.
    Bombrys, M.
    Nili, M.S.
    Youssef, N.
    Powiązania:
    https://bibliotekanauki.pl/articles/53638070.pdf
    Data publikacji:
    2023
    Wydawca:
    Uniwersytet Warmińsko-Mazurski w Olsztynie / Polskie Towarzystwo Magnezologiczne im. Prof. Juliana Aleksandrowicza
    Opis:
    The concept of the research is based on the effects of acid rains on the foliage of plants. The study was carried out on 12 coniferous tree (thuya, fir, larch, juniper, Scots pine, black pine, common spruce, silver spruce, cypress, yew tree, oriental thuya, Douglas fir) and 8 monocotyledonous plants (maize, wheat, barley, oats, rye, ryegrass, fescue, ditch reed). Samples of needles and leaves were collected from 20 species during the growth season from spring to summer at different sites of Poznan agglomeration. The needles and leaves were treated with 6 simulated acid rains (SAR) of pH 3.0, 3.5, 4.0, 4.5, 5.0, and 5.5 and kept for 72 h at 22°C. The filtrates were tested for Ca, Mg, K, Na, Zn and Fe. The data showed that the concentrations of leaked elements were closely related to the pH of SAR and also depended on the species. The most deleterious simulated acid rains for all tested plants were within the range pH = 3.0 - 4.0. Mineral leakage of coniferous needles as well as monocotyledonous leaves fitted mostly exponential and linear models, with exception of Na, which was described by the quadratic course. On the basis of the photosynthetic maintenance index PMI = Mg/(Zn+Fe), 67% of coniferous tree (CT) represented very low photosynthetic maintenance, contrary to monocotyledons (MP) with 75% corresponding to low photosynthetic maintenance. The high share of MP in this range is the finding which clearly points to the potential adaptability of the latter species to highly anthropogenic ecosystems. Urban greens should not be planted predominantly with conifers, although some may develop slight (grand fir, cypress, oriental thuya, Douglas fir) to high adaptability (Thuya occidentalis, juniper, yew tree) to urban conditions. Nearly all monocotyledons, particularly ryegrass, fescue, wheat, barley, oats and rye may be growing within anthropogenic zones, having strong adaptability features.
    Źródło:
    Journal of Elementology; 2023, 28, 4; 1129-1154
    1644-2296
    Pojawia się w:
    Journal of Elementology
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Influence of probiotic and yeast culture supplementation on selected biochemical and immunological parameters of growing lambs
    Autorzy:
    Mahmoud, M.M.
    Youssef, I.M.I.
    Abd El-Tawab, M.M.
    Bakr, H.A.
    Eissa, N.A.
    Hassan, M.S.
    Giadinis, N.D.
    Milewski, S.
    Baumgartner, W.
    Sobiech, P.
    Powiązania:
    https://bibliotekanauki.pl/articles/2087359.pdf
    Data publikacji:
    2020
    Wydawca:
    Polska Akademia Nauk. Czytelnia Czasopism PAN
    Tematy:
    lambs
    probiotic
    yeast culture
    Saccharomyces cerevisiae
    immunoglobulins
    Źródło:
    Polish Journal of Veterinary Sciences; 2020, 23, 1; 5-12
    1505-1773
    Pojawia się w:
    Polish Journal of Veterinary Sciences
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Insecticidal potential of Ag-loaded 4A-zeolite and its formulations with Rosmarinus officinalis essential oil against rice weevil (Sitophilus oryzae) and lesser grain borer (Rhyzopertha dominica)
    Autorzy:
    El-Bakry, A.M.
    Youssef, H.F.
    Abdel-Aziz, N.F.
    Sammour, E.A.
    Powiązania:
    https://bibliotekanauki.pl/articles/2084655.pdf
    Data publikacji:
    2019
    Wydawca:
    Polska Akademia Nauk. Czytelnia Czasopism PAN
    Tematy:
    insects
    Rhyzopertha dominica
    Rosmarinus officinalis
    Sitophilus oryzae
    stored
    products
    zeolite
    Opis:
    The insecticidal efficiency of Ag-loaded 4A-zeolite (ZAg) and its formulations with Rosmarinus officinalis essential oil (RO) was evaluated against Sitophilus oryzae (L.) and Rhyzopertha dominica (F.). For comparison, different rates of ZAg (0.25, 0.5, 0.75, and 1 g kg–1 wheat) were used solely and in a combination with LC50 concentrations of RO. Mortality was assessed after 7, 14, and 21 days of insect exposure to treated wheat. The progeny production was also evaluated. The use of ZAg accomplished a complete mortality (100%) on S. oryzae and 96.67% on R. dominica as well as 100% mortality of progeny against the two insect species after the longest exposing duration (21 days), at the highest rate (1 g ⋅ kg–1). On the other hand, the complete mortalities of ZAg formulations on S. oryzae were obtained after 14 d of treatment with F1 formulation (0.605 g ⋅ kg–1 RO + 0.25 g ⋅ kg–1 ZAg) and after 7 days with the other tested formulations. In addition, the complete mortality on R. dominica was obtained only by F8 (0.059 g kg–1 RO + 1 g kg–1 ZAg) formulation after 14 days of treatment. Concerning the efficiency of the examined formulations on the progeny of S. oryzae, F1 (0.605 g ⋅ kg–1 RO + 0.25 g ⋅ kg–1 ZAg) and F2 (0.605 g ⋅ kg–1 RO + 0.5 g ⋅ kg–1 ZAg) formulations recorded 100% mortality. In addition, F3 (0.605 g ⋅ kg–1 RO + 0.75 g ⋅ kg–1 ZAg) and F4 (0.605 g ⋅ kg–1 RO + 1 g ⋅ kg–1 ZAg) formulations suppressed the progeny production. Furthermore, the complete mortality of R. dominica progeny was obtained with F7 (0.059 g ⋅ kg–1 RO + 0.75 g ⋅ kg–1 ZAg) and F8 (0.059 g ⋅ kg–1 RO + 1 g ⋅ kg–1 ZAg) formulations. ZAg, especially its formulations with R. officinalis oil, had potential effects against two stored-product insects. F1 and F8 formulations could be treated efficiently on S. oryzae and R. dominica, respectively.
    Źródło:
    Journal of Plant Protection Research; 2019, 59, 3; 324-333
    1427-4345
    Pojawia się w:
    Journal of Plant Protection Research
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Role of probiotics in nutrition and health of small ruminants
    Autorzy:
    Abd El-Trwab, M>M>
    Youssef, I.M/.I.
    Bakr, H.A.
    Fthenakis, G.C.
    Giadinis, N.D.
    Powiązania:
    https://bibliotekanauki.pl/articles/31675.pdf
    Data publikacji:
    2016
    Wydawca:
    Polska Akademia Nauk. Czytelnia Czasopism PAN
    Opis:
    Small ruminants represent an important economic source in small farm systems and agriculture. Feed is the main component of livestock farming, which has gained special attention to improve animal performance. Many studies have been done to improve feed utilisation through addition of feed additives. For a long period, antibiotics have been widely used as growth promoters in livestock diets. Due to their ban in many countries, search for alternative feed additives has been intensified. Probiotics are one of these alternatives recognised to be safe to the animals. Use of probiotics in small ruminant nutrition has been confirmed to improve animal health, productivity and immunity. Probiotics improved growth performance through enhancing of rumen microbial ecosystem, nutrient digestibility and feed conversion rate. Moreover, probiotics have been reported to stabilise rumen pH, increase volatile fatty acids production and to stimulate lactic acid utilising protozoa, resulting in a highly efficient rumen function. Furthermore, use of probiotics has been found to increase milk production and can reduce incidence of neonatal diarrhea and mortality. However, actual mechanisms through which probiotics exert these functions are not known. Since research on application of probiotics in small ruminants is scarce, the present review attempts to discuss the potential roles of this class of feed additives on productive performance and health status of these animals.
    Źródło:
    Polish Journal of Veterinary Sciences; 2016, 19, 4
    1505-1773
    Pojawia się w:
    Polish Journal of Veterinary Sciences
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
      Wyświetlanie 1-7 z 7

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