College of Arts & Sciences: المرسلات الحديثة
السجلات المعروضة 1641 -- 1660 من 3507
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Allelopathic effects of the invasive Prosopis juliflora (sw.) Dc. On seed germination of selected Qatari native plant species
( Hamad bin Khalifa University Press (HBKU Press) , 2016 , Conference Paper)P. juliflora is highly recognized for its invasive character and its detrimental effects on different plant species due to the presence of allelochemicals across the world. The purpose of this study is to assess the ... -
Climate variability and its impact on the spatial distribution of mangroves in Qatar
( Hamad bin Khalifa University Press (HBKU Press) , 2016 , Conference Paper)Mangroves are a unique vegetation community that can adapt to harsh climatic conditions, including in areas of high temperature and high salinity levels. It is an important coastal wetland community in many countries that ... -
Enhancing the Quality of "Produced Water" by Activated Carbon
( Hamad bin Khalifa University Press (HBKU Press) , 2016 , Conference Paper)The main objective is to contribute via this study, in solving an environmental issue and helping Qatar in finding suitable water resources; useful in agriculture. Qatar faces diverse water challenges; the number one that ... -
On the snow leopard Trails: Occupancy pattern and implications for management in the Pamir
( Elsevier , 2022 , Article)The snow leopard (Panthera uncia) inhabits one of the most challenging environments on Earth, referred to as the ‘third pole’. Only a fraction of its vast range has been explored thus far, owing to myriad of barriers ... -
Expanding or shrinking? range shifts in wild ungulates under climate change in Pamir-Karakoram mountains, Pakistan
( Public Library of Science , 2021 , Article)Climate change is expected to impact a large number of organisms in many ecosystems, including several threatened mammals. A better understanding of climate impacts on species can make conservation efforts more effective. ... -
التغطية الصحفية لأخبار الصراع الفلسطيني - الإسرائيلي في الصحافة القطرية: دراسة تحليلية مقارنة للصحف القطرية الأربع (العرب، الشرق، الوطن، الراية)
( عمادة البحث العلمي والدراسات العليا بجامعة اليرموك , 2022 , Article)تتطرق هذه الدراسة إلى التغطية الصحفية لأخبار الصراع الفلسطيني – الإسرائيلي في الصحافة القطرية الوطنية المتمثلة في كل من صحف: العرب والشرق والوطن والراية، من خلال تحليل أصناف الموضوعات الصحفية المعالجة وارتباطاتها الجيوسياسية ... -
Oyster oscillator: a novel mega-stable nonlinear chaotic system
( Springer , 2021 , Article)Designing novel mega-stable chaotic oscillators has been a hot topic of research lately. In the current paper, a two-dimensional mega-stable oscillator is presented. The oscillator has a vast amount of coexisting limit ... -
A symmetric oscillator with multi-stability and chaotic dynamics: bifurcations, circuit implementation, and impulsive control
( Springer , 2021 , Article)Finding chaotic oscillators with unique properties is a hot topic. In this paper, a symmetric oscillator with multi-stability is proposed. This oscillator has bounded dynamics for any initial conditions. It is also shown ... -
Symmetric oscillator: Special features, realization, and combination synchronization
( MDPI , 2021 , Article)Researchers have recently paid significant attention to special chaotic systems. In this work, we introduce an oscillator with different special features. In addition, the oscillator is symmetrical. The features and ... -
System of variational inequalities with interconnected obstacles
( Taylor and Francis , 2020 , Article)Our objective with this paper is to discuss multi-switching problems, arising as variational inequalities, that models decision under uncertainty. We prove general existence theory through monotone scheme and discuss ... -
التوظيف السياسي للبرامج التلفزيونيةالحوارية- دراسة تحليلية لبرنامج الليوان
( عمادة البحث العلمي وضمان الجودة - الجامعة الأردنية , 2022 , Article)سعت هذه الدراسة إلى تقصي التوظيف السياسي للبرامج التلفزيونية الحوارية في أوقات الصراعات السياسة خاصة، وذلك بالتطبيق على برنامج "الليوان" الذي جرى بثه على قناة "روتانا خليجية" خلال شهر رمضان المبارك من العام 2019، وبلغت ... -
Surfactant induced microwave disintegration for enhanced biohydrogen production from macroalgae biomass: Thermodynamics and energetics
( Elsevier , 2022 , Article)This research work aimed about the enhanced bio-hydrogen production from marine macro algal biomass (Ulva reticulate) through surfactant induced microwave disintegration (SIMD). Microwave disintegration (MD) was performed ... -
Enhancing the detection ability of control charts in profile monitoring by adding RBF ensemble model
( Springer , 2022 , Article)While numerous contributions and applications have been extended in profile monitoring, little attention has been paid to employing machine learning techniques in development of control charts. In this paper, a novel control ... -
Nonparametric multivariate covariance chart for monitoring individual observations
( Elsevier , 2022 , Article)Parametric and nonparametric multivariate control charts that are proven very useful in monitoring the covariance matrix of multivariate normally or “nearly” normally distributed continuous datasets have been proposed in ... -
Multivariate control charts for monitoring process mean vector of individual observations under regularized covariance estimation
(2021 , Article)Multivariate control charts are generally used in industries for monitoring and diagnosing processes characterized by several process variables. The applications of charts assume that the in-control process parameters are ... -
Exponentially weighted moving average control charts for monitoring coefficient of variation under ranked set-sampling schemes
( Taylor and Francis , 2021 , Article)Several coefficients of variation (CV) control charts under simple random schemes (SRS) have been proposed to monitor process relative variability. However, little attention has been given to investigating the performance ... -
Efficient GLM-based control charts for Poisson processes
( John Wiley & Sons, Ltd , 2022 , Article)The control charts are essential instruments that can impart crucial insights to quality controllers for maintaining the productivity of manufacturing processes. The conventional charting designs are based on a single study ... -
An Efficient Robust Nonparametric Triple EWMA Wilcoxon Signed-Rank Control Chart for Process Location
( Hindawi , 2021 , Article)The nonparametric (NP) control charts are famous for detecting a shift in the process parameters (location and/or dispersion) when the underlying process characteristic does not follow the distributional assumptions. ... -
Heat Transfer Characteristics of Fractionalized Hydromagnetic Fluid with Chemical Reaction in Permeable Media
( MDPI , 2022 , Article)This manuscript optimizes the conjugate heat transfer and thermal-stress analysis for hydromagnetic Brinkman fluid with chemical reaction in permeable media. The governing equations of non-Newtonian Brinkman fluid have ... -
Simulation of natural convective heat transfer and entropy generation of nanoparticles around two spheres in horizontal arrangement
( Elsevier , 2021 , Article)Herein, laminar convective heat transfer from two horizontally arranged spheres has been evaluated by using numerical models inside water-based fluids incorporated with alumina (Al2O3), copper oxide (CuO), and copper (Cu) ...