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    Wyświetlanie 1-11 z 11
    Tytuł:
    Effect of Cabbage (Brassica Oleracea) Leaf Residue as a Biofumigant, on Root Knot Nematode, Meloidogyne Incognita Infecting Tomato
    Autorzy:
    Youssef, M.M.A.
    Lashein, A.M.S.
    Powiązania:
    https://bibliotekanauki.pl/articles/66270.pdf
    Data publikacji:
    2013
    Wydawca:
    Polska Akademia Nauk. Czytelnia Czasopism PAN
    Opis:
    Under greenhouse conditions, crushed cabbage leaves (Brassica oleracea) were incorporated into the soil at different rates (2.5, 5 and 10g per pot), 10 days before transplanting tomato cv. Super Strain B. The crushed leaves were mixed in with the soil at different interval times (5 g at transplanting, and 5 and 10 days before transplanting) for managing root knot nematode, Meloidogyne incognita. Results indicated that adding different rates of crushed cabbage leaves significantly (p ≤ 0.05) affected nematode criteria. The higher the rate of residue, the higher the percentage of nematode reduction. Adding a moderate rate (5 g) of crushed cabbage leaves reduced nematode criteria according to the time the leaves were added before transplanting. There was a negative correlation between the time of the addition and the percentage of nematode reduction. Also plant growth criteria improved according to the tested rates and the time the leaves were added.
    Źródło:
    Journal of Plant Protection Research; 2013, 53, 3
    1427-4345
    Pojawia się w:
    Journal of Plant Protection Research
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Comparative Efficacy of Garlic Clove and Castor Seed Aqueous Extracts Against the Root-Knot Nematode, Meloidogyne Incognita Infecting Tomato Plants
    Autorzy:
    El-Nagdi, W.M.A-E
    Youssef, M.M.A.
    Powiązania:
    https://bibliotekanauki.pl/articles/65127.pdf
    Data publikacji:
    2013
    Wydawca:
    Polska Akademia Nauk. Czytelnia Czasopism PAN
    Opis:
    A greenhouse experiment using aqueous extracts of garlic (Allium sativum) cloves and castor bean (Ricinus communis) seeds, to control root-knot nematode, Meloidogyne incognita on tomato cv. Super strain B, was conducted. The plant materials were diluted with distilled water; the concentration was 10 g/100 ml. Four-week old tomato seedlings were planted in pots and arranged in a completely randomized block design for a treatment of five replicates. Approximately 2,000 juveniles of root knot nematode were pipetted around each plant. The botanical extracts were either soil drenched or foliar sprayed, for each pot. Cadusafos 10G (Rugby) as a nematicide, and non-treated pots served as the control. Results showed that tomato is susceptible to M. incognita infection. Botanical extracts were more effective and significantly (p ≤ 0.05) reduced nematode criteria including number of galls and egg masses on roots of tomato and number of juveniles in roots and soil, compared to nematicide and non-treated plants. In general, a high dilution of the tested materials caused higher increases in lengths and weights of shoots and numbers and weights of fruits than those occurred by a low dilution.
    Źródło:
    Journal of Plant Protection Research; 2013, 53, 3
    1427-4345
    Pojawia się w:
    Journal of Plant Protection Research
    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:
    Phase-Phase and Phase-Code methods modification for precise detecting and predicting the GPS cycle slip error
    Autorzy:
    Elashiry, A. A.
    Youssef, M. A.
    Abdel Hamid, M. A.
    Powiązania:
    https://bibliotekanauki.pl/articles/320751.pdf
    Data publikacji:
    2015
    Wydawca:
    Polskie Forum Nawigacyjne
    Tematy:
    GPS
    Cycle slip
    Phase-Code differencin
    Phase-Phase differencing
    Doppler measurements
    Opis:
    There are three well-established detecting methods for cycle slip error, which are: Doppler measurement method, Phase-Code differencing method, and Phase-Phase Differencing Method. The first method depends on the comparison between observables and the fact that Doppler measurements are immune to cycle slip error. This method is considered as the most precise method for cycle slip detecting, because it succeed in detecting and predicting the smallest cycle slip size (1 cycle) in case the local oscillator has low bias. The second method depends on the comparison between observables (phase and code) and the code measurements are immune to the cycle slip error. But this method can’t detect or predict cycle slip size smaller than 10 cycles, because the code measurements have high noise. The third method depends on the comparison between observables (phase 1 and phase 2) and the phases measurements that have low noise. But this method can’t detect or predict cycle slip size smaller than 5 cycles, because the ionospheric change might have a high variation. For enhancing the precision of the last two methods in detecting the smallest cycle slip which size reaches 1 cycle, a new algorithm was developed in this research to determine the change in the ionospheric values and the code bias from epoch to epoch. That is done by solving all observables equations by least square technique. This modification on these methods succeed in detecting and predicting cycle slips of size of 1 cycle.
    Powszechnie znane są trzy metody wykrywania przeskoków fazowych (utraty cyklu, cycle slip) w fazowych pomiarach GPS. Są to: metoda Dopplerowska, metoda różnicy Faza-Kod i metoda różnicy pomiędzy fazami (Faza-Faza). Pierwsza z nich polega na porównaniu wartości obserwowanych i korzysta z faktu, że pomiary częstotliwości dopplerowskiej są odporne na przeskoki fazy. Metoda ta jest uważana za najbardziej dokładną spośród metod wykrywania utraty cyklu, albowiem pozwala wykrywać i przewidywać najmniejsze wartości utraty cyklu (1 cykl) pod warunkiem niewielkiego odstrojenia lokalnego generatora. Druga metoda polega na porównaniu wartości obserwowanych fazy i kodu z wykorzystaniem faktu, że pomiary kodowe są odporne na przeskoki cyklu. Jednakże metoda ta nie pozwala wykryć utraty cykli mniejszych niż dziesięć okresów z powodu wartości szumu pomiarów kodowych. Trzecia metoda polega na porównaniu wartości obserwowanych wyłącznie w domenie pomiarów fazowych w kolejnych epokach i uwzględnia fakt, że pomiary fazowe cechują się niższym zaszumieniem. Jednak ta metoda nie pozwala dostrzec przeskoków cyklu o wartości mniejszej niż 5 z powodów własności jonosfery. Dla zwiększenia dokładności ostatnich dwóch metod i możliwości wykrycia pojedynczych przeskoków cyklu zaproponowano nowy algorytm wykrywania przeskoków fazy wywołanych zmianami stanu jonosfery pomiędzy epokami. Zostało to osiągnięte poprzez rozwiązywanie wszystkich równań obserwacyjnych metodą najmniejszych kwadratów. Ta modyfikacja pozwoliła wykrywać nawet pojedyncze przeskoki cyklu.
    Źródło:
    Annual of Navigation; 2015, 22; 31-48
    1640-8632
    Pojawia się w:
    Annual of Navigation
    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:
    The relationship between trunk and pelvis kinematics during pregnancy trimesters
    Autorzy:
    Eldeeb, A. M.
    Hamada, H. A.
    Abdel-Aziem, A. A.
    Youssef, A. M.
    Powiązania:
    https://bibliotekanauki.pl/articles/306926.pdf
    Data publikacji:
    2016
    Wydawca:
    Politechnika Wrocławska. Oficyna Wydawnicza Politechniki Wrocławskiej
    Tematy:
    ciąża
    miednica
    analiza ruchu
    pregnancy
    pelvis
    motion analysis
    trunk
    Opis:
    Purpose: Pregnancy is characterized by many musculoskeletal changes that affect daily living activities and walking. The purpose of this study was to examine the effect of pregnancy on pelvic and trunk kinematics, and their relationship during the three pregnancy trimesters. Methods: Three-dimensional pelvis and trunk motions were measured using Qualisys Gait Analysis System in the first, second and third trimesters of pregnancy. The maximum anterior pelvic tilt and maximum trunk flexion during stance phase, pelvic tilt, obliquity and rotation, as well as trunk flexion-extension, lateral bending and rotation were measured. Results: Repeated-measures analysis of variance showed a significant increase in the maximum anterior pelvic tilt during stance phase (p=0.005), and a significant decrease in the pelvic obliquity (p=0.011), maximum trunk flexion during stance phase (p=0.0006), trunk lateral bending (p=0.005) and trunk rotation (p=0.004). A significant negative correlation was found between maximum anterior pelvic tilt and maximum trunk flexion in the first (r=-0.72, p=0.008), second (r=-0.61, p=0.03), and third (r=-0.61,p=0.03) trimesters of pregnancy. Also, there was a significant positive correlation found between pelvic obliquity and trunk lateral bending in the first (r=0.76, p=0.04), second (r=0.59, p=0.04), and third (r=0.59, p=0.04) trimesters of pregnancy. Conclusions: The pregnant women walk with an increased maximum anterior pelvic tilt, a decreased maximum trunk flexion, a decreased pelvic obliquity, as well as a decreased trunk lateral bending and rotation. Pregnancy does not affect the relationship between pelvis and trunk motions.
    Źródło:
    Acta of Bioengineering and Biomechanics; 2016, 18, 4; 79-85
    1509-409X
    2450-6303
    Pojawia się w:
    Acta of Bioengineering and Biomechanics
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    PCR-based detection of Helicobacter pylori and non-Helicobacter pylori species among humans and animals with potential for zoonotic infections
    Autorzy:
    Youssef, A.I.
    Afifi, A.
    Abbadi, S.
    Hamed, A.
    Enany, M.
    Powiązania:
    https://bibliotekanauki.pl/articles/2087111.pdf
    Data publikacji:
    2021
    Wydawca:
    Polska Akademia Nauk. Czytelnia Czasopism PAN
    Tematy:
    Helicobacter spp.
    zoonotic infections
    detection
    identification
    Źródło:
    Polish Journal of Veterinary Sciences; 2021, 24, 3; 445-450
    1505-1773
    Pojawia się w:
    Polish Journal of Veterinary Sciences
    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
    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:
    Influence of biodiesel from Egyptian used cooking oil on performance and emissions of small diesel engine
    Autorzy:
    Abdelfattah, O. Y.
    Allam, S.
    Youssef, I.
    Mourad, M.
    El-Tawwab, A.
    Powiązania:
    https://bibliotekanauki.pl/articles/244353.pdf
    Data publikacji:
    2017
    Wydawca:
    Instytut Techniczny Wojsk Lotniczych
    Tematy:
    Diesel engine
    biodiesel
    Egyptian used cooking oils
    engine performance
    emissions
    silnik Diesla
    egipskie używane oleje spożywcze
    wydajność silnika
    emisje
    Opis:
    Egyptian waste cooking oils have special specifications because it expose to high temperatures during use for long hours. In the present experimental study, the performance and emissions of a four strokes, single cylinder, aircooled diesel engine fuelled with two different biodiesel from Egyptian used cooking oil (palm and sunflower) are evaluated at different speeds. The measured performance parameters include torque, fuel consumption and exhaust gas temperature. Brake power, brake specific fuel consumption and brake thermal efficiency was calculated using the measured test data The emission parameters include carbon monoxide, particulate matter and the oxides of nitrogen. The tests have been carried out with different blends of B5 to B100 of biodiesel with diesel fuel. The results showed that the cetane number of sunflower biodiesel has dropped significantly as a result of high temperatures and negatively affected the performance and emissions of the diesel engine also the engine performance with the palm biodiesel blend B5 is closed to diesel fuel also, for B5 CO emission decreased from 53 to 70% while NOx emission decreased from 13 to 80% compared to diesel fuel.
    Źródło:
    Journal of KONES; 2017, 24, 1; 7-21
    1231-4005
    2354-0133
    Pojawia się w:
    Journal of KONES
    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
      Wyświetlanie 1-11 z 11

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