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All published articles 118199

Synthesis, Characterization and Antimicrobial Activity of Some New Heterocyclic Compounds Incorporating Pyridazine Moiety

Fekria M. A. Soliman, Nadia T. A. Dawoud, Nahed F. Abdel-Ghaffar, Marwa I. El-Guindy & Heba Naguib · Chemical Science International Journal · 2016

A series of heterocyclic compounds incorporating pyridazine moiety (1-24) were synthesized and evaluated for antimicrobial activities Gram- positive bacteria, Gram- negative bacteria and Yeast. Compounds 2b, 2c, 6, 7 and 10 were tested under antimicrobial activities as MICS. The...

Open access Research Article 10.9734/ACSJ/2016/23961

Evaluation of the Interaction of Micronized Salbutamol Sulphate Particles with a Polymer Surface

Raed A. Ghanem & Abdel-Aziz Matani · Chemical Science International Journal · 2016

The interaction between micronized Salbutamol Sulphate molecules and the internal surface of the constant volume chamber of a Metered Dose Inhaler (MDI) were studied using Chromatographic methods, a Scanning Electron Microscope (SEM) and Spectroscopic methods. The extensive usage...

Open access Research Article 10.9734/ACSJ/2016/24107

Educational Management in the Light of Islamic Standards

Mofareh Saeed Alkrdem & Abdulaziz Saeed Alqahtani · Journal of Education, Society and Behavioural Science · 2016

The purpose of this study was threefold: (1) Investigate educational management and its characteristics in terms of the Islamic concept of management in this era of globalisation; (2) Identify attributes of leadership of the principals and their compatibility with Islamic standar...

Open access Research Article 10.9734/BJESBS/2016/22671

Development of the Titrimetric and Spectrophotometric Methods for Determination of the Oxygen Content in Superconducting Cuprates

S. Georgieva, T. Nedeltcheva & A. Stoyanova- Ivanova · Chemical Science International Journal · 2016

This review article is concerned with the oxygen stoichiometry determination in YBa2Cu3Oy and REBa2Cu3Oy (RE = Er, Eu, Gd) superconductors. The nondestructive and destructive methods for the determination of the oxygen coefficient y (y = 6.5 + δ, δ is the non-stoichiometric oxyge...

Open access Research Article 10.9734/ACSJ/2016/23949

Effect of Synthetic Zeolite on Some Physical Characteristics and Research Octane Number of Final Product Gasoline Sample Produced from Khartoum Refinery in Sudan

Ali A. Jadallah & Mohamed Ezeldin · Chemical Science International Journal · 2016

This research explored the effect of synthetic zeolite on pH, density, vapour pressure and Research Octane Number (RON) for gasoline final product, gasoline sample was taken from Khartoum refinery. The Used sample was tested according to American Society for Testing and Materials...

Open access Research Article 10.9734/ACSJ/2016/22788

Response of Sorghum-groundnut to Row Arrangement and Orientation under Nominal Nitrogen Management

J. S. Tenywa, S. Muwanga, C. Owuor, J. P. Esele & P. L. Woomer · Journal of Agriculture and Ecology Research International · 2016

Aim: A study was conducted in eastern Uganda to rationalise sorghum-groundnut mixtures through manipulation of row arrangement and orientation, under nominal N management. Study Design: Treatments included row arrangements, viz. alternating 1:1 (single rows) and staggered 2:2 (do...

Open access Research Article 10.9734/JAERI/2016/19493

Linking Intangible Structural Capital and Competitiveness’ Enhancement among Telecommunication Companies in Rwanda

Irechukwu Eugenia Nkechi, Fred Mugambi Mwirigi & Jaya Shukla · Journal of Economics, Management and Trade · 2016

This paper measures the relationship between intangible structural capital variables (systems and programs, research and development and corporate reputation) and competitiveness’ enhancement among telecommunication companies in Rwanda. Factor and multiple linear regression analy...

Open access Research Article 10.9734/BJEMT/2016/23234

Valve Control System Using Fuzzy Logic

Mohamed Zaidan Qawaqzeh & Yasir Khalil Ibrahim · Journal of Advances in Mathematics and Computer Science · 2016

The control of liquid level and flow between tanks is a basic problem in the process industries. Measuring the flow of liquids is a critical need in many industrial plants. Realizing lower development costs, better performance can be achieved using fuzzy logic which has better st...

Open access Research Article 10.9734/BJMCS/2016/23014

Delayed Heart Rate Recovery and Exaggerated Blood Pressure Response during Exercise Testing in Nigerian Normotensive Diabetics

Ebenezer Adekunle Ajayi, Adebayo T. Oyedeji & Akande Oladimeji Ajayi · Cardiology and Angiology: An International Journal · 2016

Aim: The aim of this study was to identify the clinical profile of normotensive Type 2 diabetes mellitus (T2DM) with exercise related exaggerated systolic blood pressure (ESBP) and delayed heart rate recovery (HRR); and explore if there is relationship between ESBP and delayed HR...

Open access Research Article 10.9734/CA/2016/23911

Proposition of a Recursive Formula to Calculate the Higher Order Derivative of a Composite Function without Using the Resolution of the Diophantine Equation

EL Khomssi Mohammed, Chaachoui Ghizlane & Ez-Zriouli Rachid · Journal of Advances in Mathematics and Computer Science · 2016

The formula of Fa`a Di Bruno provides a powerful tool to calculate the higher order derivative of a composite function. Unfortunately it has three weaknesses: it is not a recursive formula, it totally depends on the resolution of the diophantine equation and a change in the order...

Open access Research Article 10.9734/BJMCS/2016/23535

Spatial Regularization for Multitask Learning and Application in fMRI Data Analysis

Xin Yang, Qiang Wu, Jiancheng Zou & Don Hong · Journal of Advances in Mathematics and Computer Science · 2016

Functional magnetic resonance imaging (fMRI) has become one of the most widely used techniques in investigating human brain function over the past two decades. However, the analysis of fMRI data is extremely complex due to its difficulties in big data processing, complicated stru...

Open access Research Article 10.9734/BJMCS/2016/23829

Mathematical Analysis of a Swine Flu Model with Mixed Transmission

Nidhi Nirwani & V. H. Badshah · Journal of Advances in Mathematics and Computer Science · 2016

In this paper, we proposed and analyzed an SEIR compartment model of Swine flu with mixing transmission. The stability of the disease-free equilibrium and the endemic equilibrium is obtained by Routh-Hurwitz criteria. The Basic Reproduction number R0  has also been discussed, whe...

Open access Research Article 10.9734/BJMCS/2016/23142