ABSTRACT Perturb Extended GQVI provide natural, unified, simple and novel context to study an extensive class of equilibrium problems arising in various fields. In this work, we familiarize and study a number of new and known computational approaches to solve new class of QVI with three nonlinear machinists T ε , g and h by using different techniques including auxiliary approach and projection approach

In this manuscript, using the concept of a couple [ f   h ] called generalized upper-class of type-III and ( α ∗ , η ∗ ) β -contraction, multi-valued fixed-point results are established in metric spaces. Our results generalized many results in the current literature. Further our methods can be applicable to the study of consensus problems. For the authenticity of the presented work, example and existence

In this paper, we consider a class of doubly truncated distributions. Based on this class, recurrence relation for moment generating functions of record values is derived. Recurrence relations for single and product moments of record values are deduced from the main results. Several of the known distributions can be seen as special cases of the used class, which includes the left, right and non-truncated

ABSTRACT In the application phase of the fuzzy theory, it is an obvious advantage to have a valuable defuzzification. The defuzzification method that we deal with in this work is a flexible, adaptable and multi-purpose method. In this study, we will introduce a new concept to obtain the parameter values of the defuzzification method called WABL. The new concept is based on maximizing the entropy of

Diabetic retinopathy (DR) is one of the leading causes of vision loss. It causes neovascularization with blocking the regular small blood vessels. Early detection helps the ophthalmologist in patient treatment and prevents or delays vision loss. In this work, multifractal analysis has been used in some details to automate the diagnosis of diabetic without diabetic retinopathy and non-proliferative

The goal of this work is to build up a national database for radon in houses, soil, and water and to demonstrate health risk due to radon inhalation and to construct radon map in the country in order to provide the scientific basic information for the establishment of radon national standard level. The radon predictive maps were built employing familiar GIS software (ArcView 3.2). The review outcomes

A numerical treatment to a system of Caputo fractional order differential- algebraic equations (SFDAEs) is presented throughout this article. The suggested method based upon the shifted Chebyshev pesedu- spectral method (SCPSM). The shifted Chebyshev polynomials (SCPs) are handled to reduce the SFDAEs into the solution of linear/ nonlinear systems of algebraic equations. By using some tested applications

Acetylated materials have been applied successfully in oily water remediation with some degree of success. Many of these materials which have been acetylated are, however, from seasonal fruits and other plant parts. This work reports the successful acetylation of silica extracted from diatomaceous earth by refluxing silica and acetic anhydride using 1% N-bromosuccinimide as a catalyst. The functionalization

The production of size-tunable Carbon microspheres (CMSs) from cheaply available materials using an environmentally friendly technique is highly appreciated. In this study, size-tunable CMSs were hydrothermally synthesized at 190°C using sucrose as carbon source, and citric acid as a catalyst. The effect of varying citric acid concentration on the size of the microspheres was investigated. Results

Bifurcation analysis of ion-acoustic waves in complex plasmas in the presence of adiabatic trapped electrons and warm ions is studied. Using bifurcation theory of dynamical structure, the Hamiltonian system inculpated electrostatic potential is derived. Effects of physical parameters, such as T and σ i , are shown on the analytical solitary wave solution. The numerical results show that parameters

Matching number and the spectral properties depending on the characteristic polynomial of a graph obtained by means of the adjacency polynomial has many interesting applications in different areas of science. There are some work giving the relation of these two areas. Here the relations between these two notions are considered and several general results giving this relations are obtained. A result

Four types of yogurt (Y) were prepared in the presence of rosemary, dill, oregano, and ginger water extracts and refrigerated at 4°C. The effect on post-acidification, α-amylase inhibition activity, total phenolic content (TPC), and antioxidant activity was investigated during 0, 7, 14, & 21 days of storage. All herbal-yogurts showed ∼ 5 times higher α-amylase inhibition (74.45%–77.83%) than control

This study presents microscopic results of 50 samples and 5 in situ magnetic susceptibility profiles, field investigations and bedrock characteristics of northern Harrat Rahat Quaternary volcanic rocks, located in the southern part of Al-Madinah city. The petrographic data of volcanic rocks show mainly aphanitic (fine-grained) holocrystalline basaltic units, rich in olivine depicting porphyritic, glomeroporphyritic

ABSTRACT In current realization, our object is to use the convolution product in terms of the notion quantum calculus to deliver a propagated q-derivative factor taking a more generalized Sàlàgean formula. By joining both the new factor together with the Janowski formula, we designate a special category of analytic factors in domain of unit disk. Finally, we deliberate a set of significant inequalities

In this paper, we obtain the Euler-Lagrange equations for different kind of variational problems with the Lagrangian function containing the Riesz-Hilfer fractional derivative. Since the Riesz-Hilfer fractional derivative is a generalization for the Riesz-Riemann-Liouville and the Riesz-Caputo derivative, then our results generalize many recent works in which the Lagrangian function involving the

In this work, Amberlite IRC-50 cation exchanger has been chemically functionalized with 8-hydroxyquinoline chelator to enhance its sorption capacity and selectivity toward transition metals. The resin characterized with X-ray photoelectron spectroscopy (XPS), attenuated total reflection infrared spectroscopy (ATR-IR), scanning electron microscope (SEM), and elemental analysis. Under optimum conditions

Selenium is a trace element which can be toxic when consumed at high levels. The study was conducted to assess the possible protective role of vitamin E against selenosis in rats. Selenium was applied at different single doses (4.5, 9 and 18 mg/kg b.wt.). Vitamin E (200 mg/kg b.wt.) was given to the rats one hour before treatment with the higher selenium dose. In selenium-treated rats, selenosis was

ABSTRACT This paper is introduced as complementary studies based on fractional Sturm–Liouville problems in a Banach space. We explore the existence results for new considered problems which can be considered as mixture of equations and inclusions. For the sake of that, we use jointly continuous composed functions with multi-valued maps and denote this form by eq-inclusion problems. The form of the

Nigella sativa L. seed commonly known as black seed, extensively used as a folk medicine in Middle East and Asian subcontinent. Traditionally it is used as an adjunct therapy along with modern medicine to counter the adverse effects. Pure thymoquinone or isolated compounds are not free from adverse effects. The present study was undertaken to evaluate N. sativa seeds powder impact on the fluconazole

We introduce the theory of optical spherical Heisenberg ferromagnetic spin of timelike spherical normal magnetic flows of particles by the spherical frame in de Sitter space. Also, the concept of timelike spherical normal magnetic particles is investigated, which may have evolution equations. Afterward, we reveal new relationships with some integrability conditions for timelike spherical normal magnetic

Sedimentological and geochemical studies are integrated to determine the potential of heavy metals in the Middle Nile Delta soil. Four sources of trace elements were identified; a geogenic source includes Fe, Co, Cr, Ni and V, along with Ca that partly enhanced by anthropogenic input, and three dissimilar anthropogenic sources grouped the elements as follow; As, Pb, Zn Cu, Ba and P which derived mainly

This study presents the shoreline position changes of Yanbu coastal zone from 1965 to 2109, using multitemporal satellite data and the Digital Shoreline Analysis System (DSAS) application. The shoreline change rates were calculated based on End Point Rate (EPR), Linear Regression Rate (LRR), Weighted Linear regression (WLR) and Net Shoreline Movement (NSM) statistical methods to assess the short- and

The mathematical new plasma wave solutions are specified in the compose of trigonometric, rational, hyperbolic, periodic and explosive kinds that are realistic for Modified-Kadomtsev-Petviashvili (MKP) equation. Also, numeral studies for the acquired solutions have been reveals that periodic, shock and explosive new forms may applicable in D-F Earth's ionosphere plasma. The used method is influential

In this paper, the variable coefficients Davey–Stewartson system represents many physical phenomena in shallow water waves, quantum and optics, etc, is transformed directly into nonlinear ordinary differential system by using the new modification to the direct similarity reduction method. After solving the reduced system, new Jacobi, hyperbolic and periodic wave solutions are achieved for complex variable

ABSTRACT This work studies the improvement of the emission spectra of polyacrylic acid (PAA) by adding different ratios of rhodamine dye (RhB) to different sizes and shapes of gold nanoparticles (AuNPs). AuNPs were prepared by chemical reduction method at heating temperature 80°C and a different time. The experimental results of both UV–Visible spectroscopy and TEM technique showed that the AuNPs were

The propagation of dust ion acoustic waves (DIAWs) for two-temperature ions with isothermal electrons in dusty plasmas has been investigated. Using the reductive perturbation method, the Gardner equation is derived. Many analytical solutions have been presented for small but finite amplitude acoustic waves, e.g. solitary and shocklike waves. The effects of many parameters on the feature of the shocklike

We herein report a modified approach for the synthesis of some pharmacologically relevant oxazole derivatives linked with amides under mild conditions. The utilization of polymer-supported triphenylphosphine (poly-TPP) as a phosphine ligand for generating the key iminophosphorane intermediate was found to be vital for achieving the synthesis of oxazole in room temperature. This alternative approach

Excessive salinity in irrigation decreases crop’s growth in arid regions such as Saudi Arabia. The aim of this research was to study the combined effects of salinity and temperature on germination, plant growth, Fv /Fm , gas exchange, chlorophyll and proline content in two Sorghum bicolor cultivars, Hindi and Jaizani. The treatments contained 3 temperatures (20°C, 30°C, 40°C) and 4 NaCl concentrations

The present work aimed to investigate the effect of plasma-activated water (PAW) on seed germination and seedling growth of mung bean sprouts. Distilled water was exposed to non-thermal plasma for 15, 30, 60, and 90 s to prepare PAW, which was defined as PAW15, PAW30, PAW60, and PAW90, respectively. The germination rate, growth characteristics, total phenolic and flavonoid contents were all maximized

The leaf and twig aqueous extracts of Arabian balsam tree (Commiphora gileadensis) were tested to protect against alloxan-induced hyperglycaemia in hypercholesterolemic male rats. The antioxidants, high density lipoproteins, IgE and α-Amylase were decreased, whereas kidney function indices, liver function enzymes, triglycerides, cholesterol, low density lipoproteins and all immunoglobulins except IgE

Reaction of imidazolidineiminothiones with some amino acids methyl ester afforded imidazopyrazine and imidazolidine derivatives. Some of obtained products were synthesized by nano technology; where this method reduces the reaction time significantly. The evaluation of biological activity of some selected compounds was carried out and some of synthesized compounds displayed anticancer activity.

In a recent article published in this journal, Baydas and Karakas show how to compute the Bézier representation of a curve given in power form. We note that this straightforward exercise, including a closed-form expression for the transformation matrix, can be found in the existing literature on CAGD.

In this paper, the Cattaneo–Christov heat flux relocation paradox on Casson fluid with MHD and dissipative effects was considered. The buoyancy and heat generation effects were believed to be responsible for the natural convection, while variable properties were perceived as temperature-dependent linear function. Under the given assumptions, the governing system of equations was formulated and transformed

ABSTRACT Culex pipiens is the most abundant mosquito in Al-Madinah Al-Munawwarah region, Saudi Arabia, transmitting several diseases like elephantiasis, avian malaria, and arboviruses. It has become resistant to several insecticides worldwide, and the search for new alternatives should be prioritized. Because of their biological profile and eco-friendly nature, ionic liquids (ILs) have recently attracted

ABSTRACT Spherical silver nanoparticles of required size were synthesized employing a seed-mediated approach using leaf extract of Azadirachta indica. Reaction pH was used to manipulate the rate of reduction of the precursor salt for achieving a fast rate of reaction needed during the synthesis of silver nanoparticles seeds and a slower rate of reaction needed for controlled growth and inhibition of

ABSTRACT Salvadora persica L. is a medicinal plant distributed in desert and subtropical regions. In Rabigh, the few persisting populations of this plant are exposed to overcutting, overgrazing and, recently, human habitation. The conservation of S. persica requires an assessment of their genetic diversity and genetic differentiation. We applied 40 simple sequence repeat (SSR) primers, with which 22

ABSTRACT The use of disinfectants has drastically increased in response to the growing public awareness of risks of microbial infection. However, this practice has a negative impact on the environment as it results in dumping large volumes of antimicrobial and microbicidal compounds in aquatic and terrestrial ecosystems. Chloroxylenol (PCMX) is a phenolic compound that poses public health and environmental

Differential algebra (DA) methods are currently being exploited for analyzing dynamic biosystem models for their structural identifiability (SI) properties. An early step in this approach entails finding an equivalent input–output (I/O) model. A recent approach for finding these equations, based on Grbner bases and imbedded in the app COMBOS is relatively slow and sometimes unsuccessful, even for moderate

ABSTRACT The present study examined the protective effects of curcuminoid isolates from Curcuma longa against carbon tetrachloride (CCL4)-induced hepatic injury in rats. The hepatoprotective effect of the crude extract (150, 300 and 600 mg/kg bw) and curcuminoids (75, 150 and 300 mg bw) was evident by significant increases in the serum antioxidative defence capacities (super oxide dismutase, reduced

A novel mathematical model is envisaged to scrutinize the Darcy Forchheimer 3D Powell Eyring nanofluid flow in a porous medium. Flow is taken under the influence of zero mass flux and convective boundary conditions at the surface and a chemical reaction in the mass equation. The heat transfer flow is scrutinized with non-linear thermal radiation. Entropy generation analysis of the envisioned model

A reliable and sensitive micelle based liquid chromatography (MLC) was developed aiming to simultaneously estimate three binary antibiotic mixtures namely: cefixime (CFX) in combination with either linezolid (LNZ) (mixture Ι) or levofloxacin hemihydrate (LEV) (mixture II), and nifuroxazide (NX) with drotaverine HCl (DV) (mixture IΙI). All mixtures were separated using a micellar mobile phase prepared

The antiplasmodial and safety profile of alkaloid, flavonoid and phenol extracts of Sida acuta (300 and 600 mg/kgbw) on hepatic and renal integrity of rats were investigated. Alkaloid, flavonoid and phenol extracts produce parasitaemia suppression of 50.83%, 33.50% and 64.64%, respectively. Sub-chronic administration of the phytochemicals caused marked (p < 0.05) dose-dependent increase in erythrocytic

The effects of silver nanoparticles (Ag NPs) embedment on the physical and structural characteristics of the holmium ions (Ho3+) activated phosphate-based glass-ceramics were assessed. Two series of such glass-ceramics were prepared using the melt-quenching and characterized. In the first series, the Ag NPs were nucleated from the incorporated AgCl via the redox process. In the second series, the pure

In this article, we introduce a numerical technique for solving a class of multi-term variable-order fractional differential equation. The method depends on establishing a shifted Jacobi operational matrix (SJOM) of fractional variable-order derivatives. By using the constructed (SJOM) in combination with the collocation technique, the main problem is reduced to an algebraic system of equations that

Chitosan (CS) was used as a powerful chelating agent and an excellent template for synthesis of metal oxide nanoparticles (NPs). The CS-MgO nanocomposite film was prepared by adding 10%wt of MgO relative to CS and was characterized by different techniques. From the FTIR, some of the main characteristic peaks of CS were shifted due to the interaction with MgO especially with OH and NH2 groups. Also

Nonlinear propagation of monotonic and oscillatory magnetosonic shock waves in a magnetized degenerate quantum plasma consisting of ions and spin 1/2 nonrelativistic degenerate electrons is examined. The well-known reductive perturbation analysis is applied to obtain a Korteweg–de Vries–Burgers equation (KdVBE). The dissipative system of coupled nonlinear, ordinary, differential equations and the equilibrium

In this article, an operational matrix approach is presented to solve the Riccati type differential equations with functional arguments. These equations are encountered in Mathematical Physics. The method is based on the least-squares approximation and the operational matrices of integration and product. By obtaining the operation matrices for each term of the problem, the method converts the problem

This paper explains how the optical quadrupole interaction between a two-level neutral atom and two counter-propagating non-diffracting Bessel beams can exhibit interesting rotational characteristics. It shows that, in this case, the atom dynamics are determined by a radiation pressure force as well as a gradient quadrupole force. Under appropriate circumstances, neutral atoms are able to rotate with

S. gregaria is able to swarm and disseminate bacterial load over vast areas. Adult locusts were collected from Kingdom of Saudi Arabia (KSA), individual locust was divided into head, thorax and abdomen. External and internal cultivable bacteria were cultured, cell and colony characteristics were investigated. Pure colonies were sequenced using 16S rRNA. Sequences and phylogeny were analyzed. Using

In this paper we study some combinatorial properties of biquadratic irrational number field Q(i,3), under the action of a Bianchi group Γ3=PSL(2,O3). In this experiment it is revealed that a special class of elements exists; that is, for an element ξ its conjugate ξ¯ has different signs in the closed path (orbits) for the action of Γ3 over Q(i,3), known as ambiguous numbers. It is also proved that

A tropical wild fern, Diplazium esculentum, locally known as Pakis, was investigated in this study as a low-cost adsorbent for the removal of toxic crystal violet (CV) dye. The adsorbent–adsorbate system reached equilibrium in 180 min and data obtained from batch adsorption experiment were best fitted with the Sips isotherm model. High maximum adsorption capacity (qmax) of 350.86 mg/g compared to many

This study deals with the vegetation change in Kuwait from 1974 compared to recent vegetation map and their capabilities on trapping mobile sand, dust and carbon dioxides (Co2). The average cost of one cubic meter removal of encroached sand around infrastructures in Kuwait is 1.32 USD. The capability of trapping sand is much higher for Haloxylon sp. than Stipagrostis sp. by 100%. The areas that were

Barium hexaferrite nanoparticles are synthesized through co-precipitation technique at different annealing temperature. Series of BaFe12-xHgxO19 nanoparticles, 0.00 ≤ x ≤ 0.30, are prepared under the best verified conditions (annealed at 1000°C) to investigate the effect of partial substitution of Hg2+ ions on the physical properties of BaFe12O19 nanoparticles. The hysteresis loops at room temperature

We establish a domain of influence theorem for the mixed initial-boundary value problem in the context of the Moore–Gibson–Thompson theory of thermoelasticity for dipolar bodies. Based on the data of the mixed problem, we define, for a finite time t>0, a bounded domain Bt and prove that the displacements and the temperature decrease to zero, outside of the domain Bt. The main result is obtained with

In this study, we consider the third order nonlinear Schrödinger equation (TONSE) that models the wave pulse transmission in a time period less than one-trillionth of a second. With the help of the extended modified method, we obtain numerous exact travelling wave solutions containing sets of generalized hyperbolic, trigonometric and rational solutions that are more general than classical ones. Secondly

Graph labelling is an important tool in modelling real life problems. In the present paper, different graph families are studied for prime cordial labelling. In this work, we show that the double comb graph Pn⊙2K1, for n≥2, as well as sunflower planar graph Sfn for n≥3, admit prime cordial labelling. We also prove that if we join two copies of sunflower planar graph by a path of arbitrary length then

In this paper, a viability results for nonlinear retarded reaction–diffusion system with the non-local retarded initial condition are studied. The existence, uniqueness and global asymptotic stability of C0-solutions are investigated. Based on the compactness arguments, Tychonoff fixed point theorem and invariance technique, the proof of our main results is presented.

In this paper, we explore the boundedness and persistence of positive solution, existence as well as uniqueness of positive equilibrium point, existence of invariant rectangle, local and global dynamics, and rate of convergence of three-directional discrete-time exponential system. Finally, numerical simulations are given to verify not only obtained results but also to have the appearance of stable

ABSTRACT The aim of the study was to evaluate the effect of Duvalia corderoyi (D. corderoyi) extracts in oxidative stress status and histopathology of liver and kidney tissues in streptozotocin (STZ)-induced diabetic rats. Fifty male Wistar albino rats were injected intraperitoneally (IP) with STZ. Rats with fasting blood glucose levels of 250 mg/dl and above were considered diabetic. Rats were subsequently

Our study is concerned with a generalization of the principle of Saint-Venant in the context of the theory of elastic bodies with a dipolar structure. It is an extension of the form of this principle proposed by Toupin in the case of classical linear elasticity. We consider a straight cylinder which is occupied by an dipolar elastic body that is only loaded at one end and our main finding proves that