124 hasil untuk "M. Zayed"
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A Novel Approach of Chitosan and Its Derivatives Bioactivity Against The Pinworm Tuta absoluta Meyrick (Lepidoptera: Gelechiidae)
The present study was carried out to evaluate the relative insecticidal and biological activity of chitosan and its derivativesagainst the 2nd larval instar of T. absoluta compared to the unprecedented insecticide chloroanatrilprole (Coragen) using standardized method of bioassay under laboratory…
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Silica Nanoparticles Boosted Abamectin's Acaricidal Bioactivity Against Tetranychus urticae Koch's Two Spotted Spider Mite Developmental Stages
Under laboratory conditions, the sub-lethal effects of four agents [silica bulk, silica nanoparticles (NPs), two synthesis agents (silica bulk-abamectin, silica NPs-abamectin)] were compared to one synthetic acaricide (abamectin) against Tetranychus urticae immature stages. Sublethal concentrations…
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Effect of Adding Crude Glycerol Produced from Biodiesel Industry on Biogas Production from Anaerobic Digestion of Cattle Dung
Effect of crude glycerol addition to cattle dung on biogas generation and methane percentage was studied. Five percentages of crude glycerol were added to cattle dung during the anaerobic digestion process. The crude percentages ranged from 1 to 5% based on total solids (from 4 to 20 g). The…
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ماهية ثورة أيلول في الصحافة المصرية على عهد عبدالكريم قاسم (1961-1963م)
يناقش البحث انعكاس أحداث ثورة أيلول في الصحافة المصرية الحكومية خلال عهد عبدالكريم قاسم، ودراسة ما ورد فيها من أخبار ومقالات ومتابعات لأحداث الثورة؛ تحليلًا وتعليلًا وتفسيرًا، وأثر ذلك على العلاقات المصرية الكوردية والعلاقات المصرية العراقية، وذلك في إطار أسباب الثورة، ومسمياتها، وَمَنْ وراءها،…
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On generalized Bessel–Maitland function
Abstract An approach to the generalized Bessel–Maitland function is proposed in the present paper. It is denoted by J ν , λ μ $\mathcal{J}_{\nu , \lambda }^{\mu }$ , where μ > 0 $\mu >0$ and λ , ν ∈ C $\lambda ,\nu \in \mathbb{C\ }$ get increasing interest from both theoretical mathematicians and…
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نقد دعوى الإسلام التعددي عند حسن حنفي
يقر الإسلام التعدد لكنه دين واحد لا يتعدد، ومع هذا فإن دعاة الحداثة يصرون على تعدد الإسلام ذاته، فينوعونه إلى إسلامات ناشئة تارة عن المكان، وأخرى الطائفة، وهكذا، حتى قرروا أن هناك إسلاما علماني، وآخر ليبرالي وثالث اشتراكي، وهلم جرا، الأمر الذي أوقع الحيرة في نفوس الكثير من المسلمين ليتساءلوا: أي…
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Bioactivity Impact of Essential Oils Allium sativum L. and Citrus reticulata L. Against Stored Product Insects Tribolium castaneum (Herbst) and Rhyzopertha dominica (F.)
This study was conducted to estimate the impact of contact and fumigation toxicity of garlic(Allium sativum L.)and mandarin (Citrus reticulata L.) essential oilsagainst two of stored product insects Tribolium castaneum (Herbst) and Rhyzopertha dominica(F.) for 1, 2 and 3 days after exposure under…
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Applications of differential subordinations involving a generalized fractional differintegral operator
Abstract Using the third-order differential subordination basic results, we introduce certain classes of admissible functions and investigate some applications of third-order differential subordination for p-valent functions associated with generalized fractional differintegral operator.
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On some geometric properties for the combination of generalized Lommel–Wright function
Abstract The scope of our investigation is to study the geometric properties of the normalized form of the combination of generalized Lommel–Wright function J ν , λ μ , m $J_{\nu ,\lambda }^{\mu ,m}$ defined by J ν , λ μ , m ( z ) : = Γ m ( λ + 1 ) Γ ( λ + ν + 1 ) 2 2 λ + ν z 1 − ( ν / 2 ) − λ I ν…
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Normalized generalized Bessel function and its geometric properties
Abstract The normalization of the generalized Bessel functions U σ , r $\mathrm{U}_{\sigma,r}$ ( σ , r ∈ C ) $(\sigma,r\in \mathbb{C}\mathbbm{)}$ defined by U σ , r ( z ) = z + ∑ j = 1 ∞ ( − r ) j 4 j ( 1 ) j ( σ ) j z j + 1 $$\begin{aligned} \mathrm{U}_{\sigma,r}(z)=z+\sum_{j=1}^{\infty}…
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Geometric characterization of the generalized Lommel–Wright function in the open unit disc
Abstract The present investigation aims to examine the geometric properties of the normalized form of the combination of generalized Lommel–Wright function J λ , μ ν , m ( z ) : = Γ m ( λ + 1 ) Γ ( λ + μ + 1 ) 2 2 λ + μ z 1 − ( ν / 2 ) − λ J λ , μ ν , m ( z ) $\mathfrak{J}_{\lambda ,\mu}^{\nu…
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Analytical and geometrical approach to the generalized Bessel function
Abstract In continuation of Zayed and Bulboacă work in (J. Inequal. Appl. 2022:158, 2022), this paper discusses the geometric characterization of the normalized form of the generalized Bessel function defined by V ρ , r ( z ) : = z + ∑ k = 1 ∞ ( − r ) k 4 k ( 1 ) k ( ρ ) k z k + 1 , z ∈ U…
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Generalized Lommel–Wright function and its geometric properties
Abstract The normalization of the combination of generalized Lommel–Wright function J κ 1 , κ 2 κ 3 , m ( z ) $\mathfrak{J}_{\kappa _{1},\kappa _{2}}^{\kappa _{3},m}(z)$ ( m ∈ N , κ 3 > 0 $\kappa _{3}>0$ and κ 1 , κ 2 ∈ C ) defined by J κ 1 , κ 2 κ 3 , m ( z ) : = Γ m ( κ 1 + 1 ) Γ ( κ 1 + κ 2 + 1…
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Monotonic nature of the Gamma function
Abstract This study begins by examining the monotonic behavior of the function ln Γ ( x + 1 ) / ( ln ( x 2 + 6 ) − ln ( x + 6 ) ) $\ln \Gamma (x+1)/\left (\ln \left (x^{2}+6\right )-\ln (x+6)\right )$ on the interval x ∈ ( − 1 , 1 ) $x\in (-1,1)$ , supported by well-established functional…
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Wholesale Cuts and Meat Quality Attributes of Abo-Deleek Sheep under Intensive and Semi-Intensive Production Systems of Egypt
This research was carred out at Ras-Hederba-Valley area belonging to Desert Research Center. Where aimed to investigate the influence of the production systems (intensive and semi-intensive) on the carcass characteristic, quality, and sensory evaluation of Abo-Deleek meat. Fourteen Abo-Deleek lambs…
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Differential Pulse Anodic Voltammetric Determination of Chlorzoxazone in Pharmaceutical Formulation using Carbon Paste Electrode
The electrochemical behavior of chlorzoxazone at the carbon paste electrode was investigated in 0.04 mol/L Britton-Robinson buffer pH 6.50 using cyclic and differential pulse voltammetric techniques. Cyclic voltammetric studies indicated that the oxidation of the drug was irreversible and…
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Analytical technique for solving strongly nonlinear oscillator differential equations
The main motivation of this paper is to apply general formulas of the gamma function to find the analytical solutions of some types of nonlinear differential equations with recognizable simplicity and less calculation compared to other existing analytical methods in the literature. The simplicity…
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Thermal Properties of Palm Fronds (Krino) for Utilizing as a Thermal Insulation Material
Insulation materials are of great importance for conserving stored energy and maintaining temperatures in cooling or heating processes. The cost of insulation materials is a large part of the initial, maintenance and repair costs. Glass-wool insulation namely exchanges in a short time due to its…
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Effect of blockchain technology in innovating accountants’ skills: a multimethodology study in the industrial companies listed on the Amman Stock Exchange
Abstract This study aimed at analyzing the effect of blockchain technology in innovating accountants’ skills as a multimethodology study in the industrial companies listed on the Amman Stock Exchange. For achieving this goal, the researchers adopted the multimethodology approach using mixed methods…
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On Certain Subclasses of Analytic Functions with Varying Arguments of Coefficients
In this paper we introduce and study the class$\ \mathcal{VR}_{\delta ,\eta }(n,\lambda ,\alpha )\ $of analytic functions with varying arguments of coefficients. We obtain coefficients inequalities, distortion theorems involving fractional calculus, radii of close to convexity, starlikeness and…