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May 25, 2020Open    AccessArticle

Water Treatment Challenges towards Viruses Removal

Djamel Ghernaout
In spite of the considerable development registered in microbiology, humankind remains incapable to dominate scientifically and technologically the large microbial world. This is well established and illustrated, unfortunately, in the present Coronavirus disease (COVID-19) pandemic. This work aims to contribute to highlighting the world of pathogenic microorganisms, especially viruses, and their removal from potable water. Identical to the manner by which chemical contaminants are handled in the...


May 25, 2020Open    AccessArticle

Effect of Computer-Assisted Instruction (CAI) on the Academic Achievement in Secondary Physics

Leann Jester Daus Rosali
The study aims to determine the effect of implementing a Computer-Assisted Instruction on secondary physics students’ academic achievement. The research utilized the quasi experimental pretest-posttest control group design that is participated by 157 Grade 10 students of a private school in the Philippines. The experimental group was taught using the Computer-Assisted Instruction while the control group was instructed using the conventional method of teaching Physics. Mann-Whitney test with a si...


May 22, 2020Open    AccessArticle

Party Politics in Kenya and South Africa: The Conundrum of Ethnic and Race Relations

John Rabuogi Ahere
Since the colonial period, group identity has affected politics in Kenya and South Africa. Ethnicity and race are used to explain many issues in both countries including party politics. This article examines the linkages between ethnic and race relations in the activities of political parties in both countries. The article finds that ethnicity and race are endemic to the nature and operations of political parties in Kenya and South Africa. As a result, most political parties formulate policies a...


May 22, 2020Open    AccessArticle

Antibiotic Resistance: An Investigation on Effectiveness of Antibiotics Treatment on Bacterial Growth

Okoro Monday Akinyemi
Background: The proclivity of bacteria resistance to antibiotics has led researchers to develop more interest in antibiotics efficiency in tackling bacterial infections. As part of the effort to finding final resolutions to antibiotics effectiveness, this study was conducted to ascertain the antibiotic sensitivity pattern of three bacterial strains, this study was carried out from March 2019 to June 2019, using different antibiotics such as Ampicillin (AMP), Tetracycline (TET), Erythromycin (ERY...


May 21, 2020Open    AccessArticle

On the Other Side of Viruses in the Background of Water Disinfection

Djamel Ghernaout, Noureddine Elboughdiri
At COVID-19 time, as surface water and urban wastewater will constantly carry microbial pathogens, pathogens should be eliminated at least to degrees that do not have an effect on public health. Among the pathogen groups observed in water, viruses constitute the biggest danger since they frequently appear in much bigger levels and possess much greater infectivity than bacteria and parasitic protozoa. This work highlights the viruses especially in terms of composition and behavior in ecosystems a...


May 21, 2020Open    AccessArticle

Schultz and Modified Schultz Polynomials of Vertex Identification Chain for Square and Complete Square Graphs

Mahmood M. Abdullah, Ahmed M. Ali
In this paper, we find the polynomials, indices and average distance for Schultz and modified Schultz of vertex identification chain for 4-cycle and 4- cycle complete.


May 21, 2020Open    AccessArticle

A Comparison between English and Arabic Sound Systems Regarding Places of Articulation

Khawater Alshalaan
The English sound system differs from Arabic regarding places of articulation. Some of the English consonants do not exist in Arabic and vice versa. However, both languages share common palatal /j/. Arabic speakers find it difficult to pronounce /v/ sound and use /f/ instead. They also substitute /t/ and /d/ for /?/ and /e/. Arab speakers cannot pronounce the flap /s/ but stress the written /tt/. In English, /t/ is an aspirated alveolar but considered non-aspirated denti-alveolar in Arabic. As f...


May 20, 2020Open    AccessArticle

Disinfection By-Products (DBPs) Control Strategies in Electrodisinfection

Djamel Ghernaout, Noureddine Elboughdiri
Chemical water treatment problems such as disinfection by-products (DBPs) generation have urged on the search for better water treatment technologies such as electrochemical water technologies that have been applied successfully in different water/wastewater pollutants removal. However, their large expansion is hindered by similar DBPs troubles. Throughout the electrochemical process, such carcinogenic substances can be produced depending on the electrode material and applied voltage. This work ...


May 20, 2020Open    AccessArticle

Leadership Crisis: in Decision-Making Process with Reference to Declaration of Republic in Nepal: An Anthropological Perspective

Khimlal Devkota
The main purpose of this study is to examine the historical development of leadership and crisis in leadership in Nepal. The central research question is about leadership and its role in the decision-making process, that is, is a certain leadership really matching with the right time, right content and right decision? The method used for the study was a literature review through historical and archival content analysis in the process of review of literature. The declaration of Nepal as a republi...


May 20, 2020Open    AccessArticle

Prediction Analysis of the Prevalence of Alzheimer’s Disease in China Based on Meta Analysis

Peilin Zang, Zhezhi Jin
Objective: To predict the prevalence of Alzheimer’s disease (AD) in China’s future elderly population, and to provide reference for the formulation and implementation of relevant public health policies in China. Methods: A computer search of domestically published literatures with Alzheimer’s disease risk factors data was used to conduct a meta-analysis of Alzheimer’s disease epidemiological studies that met the inclusion criteria to calculate the Alzheimer’s disease of the elderly in different ...


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