Articles

 

Page 6 of 1196, showing 50 records out of 59795 total, starting on record 251, ending on 300

African Journal of Pharmacy and Pharmacology
Jatropha dioica, an Aztec plant with promising pharmacological properties: A systematic review

July, 2020

Few pharmacological and toxicological studies have been conducted to demonstrate the usefulness and safety of using the Jatropha dioica extract. The aim of this study was to update the state of the art on the chemical composition, pharmacology, and toxicology of the species J. dioica, to find new possible applications. A search of different databases was carried out on the internet, specifically in Science Direct,...

Author(s): Agustina Ramírez-Moreno,, Dealmy Delgadillo-Guzmán, Verónica Bautista-Robles, Jolanta E Marszalek, Hady Keita,, Ansoumane Kourouma, Sergio Alberto Ramírez García, Jesús Rafael Rodríguez Amado, and José Carlos Tavares-Carvalho  

Journal of Plant Breeding and Crop Science
Sorghum mutation breeding for tolerance to water deficit under climate change

July-September 2020

This study aimed at creating genetic variability by induced mutagenesis in farmers’ preferred sorghum variety (ICSV1049) to breed mutant lines for water deficit tolerance. Sorghum seeds were irradiated by gamma rays and sown as one panicle-to-one progeny method. Putative lines M5 (143) and parent were screened under water deficit stress. Data analysis showed that leaf senescence (LS) was positively correlated to...

Author(s): Minimassom P. Nikièma, Nofou Ouédraogo, Hamidou Traoré, Mahamadou Sawadogo, Ljupcho Jankuloski, Mukhtar Ali Ghanim Abdelbagi and Djibril Yonli  

Journal of Dryland Agriculture
Crops residue trade-offs between livestock feed and soil amendment in no-till system in Moroccan dry area

July 2020

In the dry zone of Morocco, the production of biomass is irregular while the agricultural and animal production systems are matted. As a result, the crop residues use gives rise to tradeoffs which mainly translate into competition. This research aims to characterize the tradeoffs around cereal residues use between livestock feed and soil amendment in a no-till system. This study relied on a literature review, focus...

Author(s): El Koudrim M. and Hilali S.  

International Journal of Nursing and Midwifery
Implementation of a novel obstetric triage tool in the tertiary maternity hospital of Sierra Leone: A quality improvement project

July-September 2020

Triage tools have been shown to increase efficiency and accuracy of obstetric triage, but no published tools exist for low income settings. A novel guideline was developed and implemented in the tertiary maternity hospital of Sierra Leone. A triage system was implemented using a quality improvement approach. A novel triage guide, mentorship, improved patient flow and training were introduced. Prospective data was...

Author(s): Rebecca Best and Jariatu Turay Nee Sesay  

Journal of Soil Science and Environmental Management
Shea waste slurry as an organic soil amendment of tropical soils in the Tamale Metropolis, Northern Ghana

July-September 2020

Infertile and less productive soil due to continuous cropping, poor soil management and other forms of land exploitation are mostly amended using inorganic fertiliser. Shea waste slurry (SWS) as an organic soil amendment material was applied to soils in two locations and its effect on plant primary and secondary nutrients evaluated. One-way diagonal method was employed in sampling soil from fields measuring 25...

Author(s): Abagale F. K., Alazuga I. N. A. and Osei A. R.  

Journal of Development and Agricultural Economics
The on-farm diversity of maize cultivars and landraces in the Lacandon region of Chiapas, Mexico

July-September 2020

The loss of maize landraces is of major global concern. Landraces provide the genetic building blocks for the development of high yielding pest- and drought-tolerant maize varieties, and their loss reduces the capacity to adapt to changing environmental conditions. The extinction of maize landraces is an incidental effect of the planting decisions of farmers. Although maize landraces are important both as a staple food...

Author(s): Gustavo Leopoldo Garduño and Charles Perrings  

Journal of Soil Science and Environmental Management
Effect of biochar application on selected soil properties in Southwestern Nigeria

July-September 2020

This study investigated the effect of biochar on dispersible clay and soil chemical properties. The treatments consisted of four rates of milled biochar (0, 450, 900 and 1344 kg/ha) arranged in a Completely Randomized Design with four replicates. Surface (0-15 cm depth) soil of Iwo (Sandy loam) and Egbeda (Loamy sand) soil series were collected from the Teaching and Research Farm, Obafemi Awolowo University, Ile-Ife,...

Author(s): Olakayode A. O., Akinde B. P. and Egbebi I. A.  

Journal of Horticulture and Forestry
Morphometrics of Pinus patula crown and its effect on cone characteristics and seed yield in Kenya

July-September 2020

Pinus species and other conifers have cones as an essential unit for seed production. Cone production in pines is not uniform and often varies among compartments and sectors within the crown. Many countries experience challenges in seed production from orchards due to poor practices. The present study aimed to evaluate within-crown cone production patterns, cone characteristics, and seed yield in a Pinus patula clonal...

Author(s): Peter Murithi Angaine, Alice Adongo Onyango, and Jesse Omondi Owino  

African Journal of Pharmacy and Pharmacology
Bioactivities of stem bark of Albizia chinensis Osbeck. Merr., Chakua Koroi of Bangladesh

July, 2020

Albizia chinensis Osbeck. Merr. (Family: Fabaceae) is quite abundant in Bangladesh. The plant has a history of its traditional use in scorpion and snake bite. This investigation was designed to analyze the analgesic, anti-diarrheal and anti-inflammatory potentials along with sleep inducing property of the crude methanol extract of stem bark of Albizia chinensis Osbeck. Merr. Peripheral analgesic activity was evaluated...

Author(s): Tasnuva Sharmin and Mohammad A. Rashid  

Journal of Veterinary Medicine and Animal Health
Factors influencing survival of BALB/c mice and their effects on immune efficacy in an experiment of hepatitis B immunization

July-September 2020

There was an accidental death of BALB/c mice in the course of the experiment about hepatitis B immunization. The reasons of the mice breeding failure were analyzed in order to provide some experience for future animal preparation about hepatitis B immunization. Items of all mice including sex, age, dose of hepatitis B vaccine (HepBVac), dose of hepatitis B immunoglobulin (HBIG), immunization route, vaccination schedule...

Author(s): Tao Wei, Ling Li, Weihong Lv, Shanjuan Tan, Fenghai Liu, Jiaru Su, Xiaona Xu and Lei Zhang  

Journal of Fine and Studio Art
Quality of pottery products produced in Kenyan women prisons

January-June 2020

The purpose of the study was to assess quality of pottery products produced in Kenyan prisons. The quality of products produced in Kenyan prisons shows lack of standardization. Descriptive research design guided the study. The study areas were Lang’ata and Kisii women prisons with a population of 480 respondents. Purposive sampling technique was used to sample 30 inmates who engage in pottery, thus leaving a total...

Author(s): Otieno Jane, Abong’o Susan and Wagah Mical Ongachi  

African Journal of Pure and Applied Chemistry
Health risk assessment on humans by contamination of heavy metals in some edible crops and fish at Galena mining area of Nahuta, Alkaleri Local Government Area, Bauchi State, Nigeria

July-September 2020

This work investigated the human health risk effects of heavy metal contamination at Galena mining area. 10 elements were identified in both irrigated and wet season edible crops and fish were collected from five sampling locations at Galena mining area. Wet season crops held higher concentrations of heavy metals than irrigated crops. Study showed carcinogenic heavy metals Pb (1.42 E +08), Cd (1.36 E +14), Cr (1.31E...

Author(s): Usman Y. M., Nasiru Yahaya P. and Modibbo U. U.  

Educational Research and Reviews
Evaluation of impact of fine arts high school music department program on students’ piano playing skills

July 2020

The research is aimed to evaluate the impact of fine arts high school music department program on the piano playing skills of students. In this context, it was determined to what degree fine arts high school students thought the school program contributed to their piano playing skills and differentiation of student opinions as per their gender and class was also examined. A cross sectional descriptive design was...

Author(s): Jale Deniz  

African Journal of Biotechnology
Yield coefficient for the growth of Pseudomonas sp. AQ5-04 at various concentrations of phenol

July 2020

Phenol is widely used by many industries in Malaysia, and is one of the highly toxic environmental pollutants with levels exceeding the regulatory standard that have been reported in Malaysia. A phenol-degrading bacterium; Pseudomonas sp. AQ5-04, a metabolically versatile xenobiotic-degrading bacterium, has been isolated from a local contaminated site. The bacterium was able to withstand a high concentration of phenol....

Author(s): Aisami A., Usman M.M., Siddan A.A., Ramlatu M.A., James I.J., Garba L., Yasid N.A. and Shukor M.Y.

African Journal of Microbiology Research
Cytological changes in Solanum lycopersicum seedlings in response to some rhizopheric fungi

July 2020

Some rhizospheric fungi of Solanum lycopersicum were isolated from Cairo governorate and identified in Taxonomy Department, Ain-Shams University, Cairo City, Egypt. These isolated fungi were cultivated on soil extract medium enriched with 2% (w/v) glucose and 5% (w/v) yeast extract. The cytological effects of the metabolites of these fungi on the seeds of S. lycopersicum were examined after three different intervals (6,...

Author(s): Ahmed Fouad Afifi, Ehab Abdel-Razik Kamel, Amal Abdelsamei Elsaed, Mohamed Abdelaziz Foaad, Eman Mohamed Fawzy and Heba Ibrahim Abo-Elmagd  

African Journal of Food Science
Microbiological quality and safety assessment of sun dried Rastrineobola argentea (Mukene) sold at selected landing sites of Lake Victoria and Peri Urban Kampala City Markets

July 2020

Silver fish (Rastrineobola argentea) also locally known in Uganda as Mukene contributes significantly to Ugandan national economy and its value was estimated at $13 million US dollars in 2015. The fish is traditionally dried under direct sunshine on bare ground in unhygienic conditions, which expose it to dust and microbiological contamination. In this study, the microbial load of indicator and pathogenic organisms was...

Author(s): Andrew Mwebesa Muhame, Ediriisa Mugampoza, Leakey Leonard Lubuulwa, George William Byarugaba Bazirake and Martin Mutambuka  

African Journal of Business Management
Enterprise zones in Sub-Saharan Africa: Evolution, rationalization, processes evaluation and outcomes

July 2020

The history and development of Enterprise Zones, as both a deliberate government policy of integrating the economies of Sub-Saharan African into the global stream and as a trade policy instrument of re-adjustments and limited resource acquisition option, have different and varied intendments for the countries that implemented them. However, what seems evident from their current, and rather rapid proliferation, is that...

Author(s): Darlington Richards, Fikremariam Boghossian, Dennis Agboh and Gladson Nwanna

African Journal of Agricultural Research
Assessment of genetic variability for yield and attributed traits among rice doubled haploid (DH) lines in semi-arid zone Sudan

July 2020

Anther culture is one of the biotechnology tools using for quick recovery of fixed breeding pure lines in rice. The development of new rice varieties is highly dependent on genetic diversity in desirable agronomic traits. Therefore, this study aimed to identify potential genotypes having the characters of Tongil-type and to study suitable traits of tested Double Haploid (DH) lines which can be applied in breeding...

Author(s): Khalid A. Osman, Kyung-Ho Kang, Ahmed A. El-Siddg, Yassir M. Ahmed and Sara M. Abdalla  

African Journal of Agricultural Research
Growth and yield of finger millet (Eleusine coracana L.) (Garten) as affected by varying nitrogen levels at Mubi, Adamawa State, Nigeria

July 2020

A field experiment was conducted at the Teaching and Research Farm of the Adamawa State College of Agriculture at Mubi, Nigeria to determine effect of Nitrogen fertilization on the growth and yield of Finger Millet (Eleusine coracana L. (Garten). Results indicated that all the growth and yield components were significantly (p ≤ 0.05) influenced by increasing nitrogen fertilizer application rates. The highest...

Author(s): Hussaini, I. Danjuma, Mohammed, Aminu, Bassi, A. Nuhu, Hassan, Ismaila and Aliyu, M. Abubakar  

Journal of Public Health and Epidemiology
A protocol for a randomized controlled trial on mobile phone text messaging to improve sexo-reproductive health in Cameroon

July-September 2020

This trial aims at testing the efficacy of weekly sexo-reproductive health educational text messages to improve perception of adolescent girls on sexo-reproductive health in Cameroon. This is a single-centered randomized controlled single-blinded trial. Adolescent girls aged 10 to 19 years in the Kumbo West Health District are the target population. A central computer generated randomization list was used to prevent...

Author(s): Frankline Sevidzem Wirsiy, Dickson Shey Nsagha, Omer Tchikamgoua Njajou and Joseph Besong Besong  

Journal of Public Health and Epidemiology
Effects of COVID-19 on healthcare practice, medical education, and pre-medical educational experiences

July-September 2020

The focus of the study is to gather data on the current effects of COVID-19 on healthcare practice, medical and pre-medical educational experiences, and permanent implications. This was completed by analyzing data from novel COVID-19 and related studies. The results of the study can show the lasting impact of COVID-19 on medical education and the healthcare field. To reduce exposure and possible disease transmission,...

Author(s): Darren Ioos and Vincent Gallicchio  

African Journal of Pharmacy and Pharmacology
Levels of red blood cells derived microparticles in stored erythrocyte concentrate

July, 2020

There is increasing evidence of the clinical importance of microparticles (MPs) and their role in blood transfusion-related side effects and the transmission of pathogens. The study aims to examine the red blood cell-derived MPs in blood bags during storage under standardized blood bank conditions. The samples were tested at various times to demonstrate the presence of RBC-derived MPs by flow cytometry. The quantitative...

Author(s): Maheen Rana, Yasir Arfat, Omar Naseem, Nazish Mazari, Navida Manzoor, Rao Salman Aziz, Muhammad Rashid and Shahida Mohsin

African Journal of Mathematics and Computer Science Research
An automorphism in the LK_ITB5a H110F gene mutation

July-December 2020

Sanchez et al. (2005) have shown the structure of vector space genetic code over the Galois field GF(4) which relate to the physicochemical properties of the genetic code on proteins. From this vector space, an automorphism can be constructed to reflect the mutation process in the genetic code. This study investigates a type of transformation in the LK_ITB5a lipase gene mutation. The result of the study shows that there...

Author(s): Qonita Ummi Safitri, Elvira Kusniyanti, Irawati, Ilma Fauziah Ma&#;ruf and Akhmaloka,  

African Journal of Agricultural Research
Effect of agricultural wastes on some soil physicochemical properties of ultisol, growth parameters and yield of cocoyam (Xanthosoma mafafa) at Umudike, southeastern Nigeria

July 2020

This research was conducted on a degraded Ultisol at the Eastern farm of Michael Okpara University of Agriculture, Umudike during 2014 and 2015 planting seasons, to determine the effect of different rates of sawdust and poultry manure application on soil physicochemical properties of acid sandy Ultisol, and growth and yield of cocoyam. The treatments comprised of two organic amendments at five levels each: Sawdust (0,...

Author(s): Iroegbu Chidinma Susan, Asawalam Damian O., Dada Olasunkanmi and Orji Jephter E.  

Journal of Parasitology and Vector Biology
Effect of diminazene diaceturate (Sequzene®) on serum biochemistry and associated histopathological changes of New-Zealand rabbits (Oryctolagus cuniculus) experimentally infected with Trypanosoma brucei brucei

July-December 2020

This study was conducted to determine the efficacy of diminazene diaceturate (Sequzene®) on serum biochemistry and associated histopathological changes of New-Zealand white rabbits experimentally infected with Trypanosoma brucei brucei. A total of thirty New-Zealand white rabbits weighing between 0.1 and 0.7 kg of both sexes were divided into six groups A to F of five rabbits each. Group A was infected with T....

Author(s): Abwari Bwala David, Adamu Inuwa, Samson Anjikwi Malgwi, Albert Wulari Mbaya, Hadiza Abdulsalam and Dennis Ogbonna Okoro  

International Journal of Nursing and Midwifery
Job characteristics and influence on work-family conflict among nurses working in teaching hospitals in Anambra State, Nigeria

July-September 2020

Nurses are faced with a lot of responsibilities, at work and home. This gives rise to work-family conflict. There are several factors which could affect work-family conflict. This study identifies specific job characteristics and their influence on work-family conflict among nurses working in the teaching hospitals in Anambra State. Descriptive survey design was adopted for the study, as a proportionate sampling...

Author(s): Ilo Ifeyinwa C., Eze Catherine C., Agbapuonwu Noreen E., Makata Ngozi E. and Anieche John E.  

African Journal of Agricultural Research
Market prospects and willingness to pay for indigenous products: The case of Morama (Tylosema esculentum)

July 2020

This study analyzes the market potential of the underutilized indigenous Morama (Tylosema esculentum) products by determining the consumers’ preferences and willingness to pay. Simple random sampling was used to select 372 respondents to participate in the cross-sectional survey. Contingent valuation method was used to determine the customers’ willingness to pay and the two-step Heckman selection model was...

Author(s): Keneilwe Kgosikoma, Lesego Mackenzie-Tsedi, Bernard Kelebang and Tlhalefo Ranchobolo  

African Journal of Agricultural Research
Physical and mechanical properties of cement bonded strand board produced from Gmelina arborea (Roxb.) harvesting residues

July 2020

Finding use for residues from felling operations has been a major focus on increasing volume recovery of harvested woody biomass. Strands and sawdust processed from left-over of Gmelina arborea residues recovered from the forest were used to produce cement bonded composites. Physical and mechanical properties of the boards were assessed showing the relationship between diverse variables such as density, wood strand and...

Author(s): Owoyemi J. M., Ogunrinde O. S. and Oyeleye I. O.  

African Journal of Environmental Science and Technology
Oil and gas exploitation in the Ghanaian context: The balance of benefits and challenges

July 2020

This study investigated the benefits and challenges associated with oil and gas exploitation from the Ghanaian perspective. A case study design that embraced both quantitative and qualitative methodologies was adopted for the study. Communities close to the oil and gas  production area (that is, the Jubilee Oil Field) were specifically targeted as the study population. The population covered three communities;...

Author(s): Jones Lewis Arthur and Chantel Amo-Fosu

African Journal of Agricultural Research
Agroclimatic risk zoning of mango (Mangifera indica) in the hydrographic basin of Paraná River III, Brazil

July 2020

Mango cultivation is one of the key economic agricultural activities of fruit in Brazil. In Southern Brazil, mango presents vulnerability thanks to its frost sensitivity, indicating the relevance of climate studies to improve the production and agricultural techniques, in the context of sustainable agriculture and climate change. Agroclimatic zoning should be one of the first information to be considered when starting...

Author(s): Nathan Felipe da Silva Caldana, Pablo Ricardo Nitsche, Luiz Gustavo Batista Ferreira, Alan Carlos Martelócio, Paulo Henrique Caramori, Paulo Vicente Contador Zaccheo and Jorge Alberto Martins  

African Journal of Environmental Science and Technology
Air quality in city centres: The transportation effect in Minna metropolis Chanchaga Local Government Area, Niger State Nigeria

July 2020

This study is aimed at assessing ambient air quality in city centres, in Minna metropolis, Niger State, North-Central part of Nigeria. Thirty points of commercial transportation locations within the city centre were considered, three thousand observations of CO, CO2, LEL, H2S and O2 were collected at different West African time (6 am, 8 am, 10 am, 12 noon and 6 pm) during the wet season in 2018 and analysed. Instruments...

Author(s): Okobia Efegbidiki Lympson and Abdul Husaini  

International Journal of Biodiversity and Conservation
Efficiencies of three insect collection methods in Lamto, Côte d’Ivoire

July-September 2020

Insects are of ecological and economic importance. This study was carried out to compare the efficiency of the three main insect sampling methods namely, sweep net, hand sampling and the light trap and also to show the biodiversity distribution from Lamto habitats for good biological conservation. A total of 379 individuals belonging to 9 orders were collected. Significantly, more individuals were collected by sweeping...

Author(s): Dohouonan Diabaté and Yao Tano

International Journal of Biodiversity and Conservation
Daily activity patterns and relative abundance of medium and large mammals in a communal natural protected area on the central coast of Oaxaca, Mexico

July-September 2020

Anthropogenic disturbances cause direct and indirect effects on the global decline in biodiversity. For better planning strategies on the conservation of medium and large mammals in Oaxaca, we present an analysis of daily activity patterns of medium and large mammals and their relative abundance in a Communal Natural Protected Area (CNPA) on the central coast of Oaxaca, Mexico. Sampling was carried out between November...

Author(s): Alejandra Buenrostro Silva, Osciel Sánchez Núñez and Jesús García-Grajales  

Journal of Soil Science and Environmental Management
Effect of graded compaction of tilled and untilled sandy loam soil on growth and yield of maize

July-September 2020

The performance of maize on tilled and untilled sandy loam soil, under different levels of compaction of 0, 2, 4 and 6 tractor-wheel passes in a humid tropical environment was investigated with a Massey Ferguson (MF) 90-disc plough, mounted on an MF 260 tractor. The experimentation had different aspects, respectively conducted in the field and laboratory, at the Rivers State University, Port Harcourt, Nigeria. The...

Author(s): Asinyetogha H. Igoni, Raphael B. Jumbo and Davidson D. Davis  

African Journal of Agricultural Research
Relative costs and benefits of implementing desiccant bead drying/hermetic storage and alternative drying and storage technologies for vegetable seeds in Kenya and Tanzania

July 2020

This paper assesses the relative costs and benefits of desiccant beads drying/hermetic storage and alternative drying and storage technologies. The study was conducted in Kenya and Tanzania in areas producing and trading vegetable seeds using a sample size of 280 respondents. The study revealed that costs of desiccant bead drying/hermetic storage are relatively higher for smaller quantities of seeds compared to...

Author(s): Richard O. Musebe, Daniel Karanja, Kent J. Bradford and Roger Day  

African Journal of Food Science
Psychobiotics in daily food against psychiatric disorders

July 2020

Psychobiotics are probiotics microrganisms that affect the central nervous system neurological functions of a host. The gut-brain-axis via immune-metabolic pathways balances the gastrointestinal function and improves the quality of life of hosts with psychiatric disorders. Gut microorganisms have been found to participate in the balance of various psychiatric disorders, including "Anxiety and Depression",...

Author(s): Karina Teixeira Magalhães-Guedes, Alessandra Souza Marques do Nascimento, Talita Andrade da Anunciação and Sérgio Eduardo Soares  

African Journal of Biochemistry Research
Evaluation of the effects of Azadirachta indica leaf on haematology, lipid profile, body weight and organ-system functions of streptozotocin-induced diabetic male rats

July-September 2020

This study was carried out to evaluate the effects of ethanol extract of Azadirachta indica leaf on haematological parameters, lipid profile, body weight, organ weight and histopathological functions of streptozotocin-induced diabetic rats. Diabetes was induced by a single intraperitoneal administration of streptozotocin (50 mg/kg bw.). The haematological parameters, lipid profile and histopathological investigations...

Author(s): Ezeigwe Obiajulu Christian, Okani Chukwudi Onyeaghana, Nnadi Naomi Ngozi, Obiukwu Onyinye Olivia, Ekwunoh Peter Okwukwe, Obayuwana Erhunmwense Ann, Okibedi Frances Uchenna and Obi Chioma Henrietta  

Scientific Research and Essays
Epidemiological pattern of malignant neoplasia of the esophagus in the region of ABC- São Paulo, Brazil between the years of 2008 and 2017

July-September, 2020

Esophageal cancer is the sixth leading cause of death from malignancies in the world. Given its importance, it is a disease that needs further studies to deepen its understanding and epidemiological behavior. The aim of this work is to evaluate the epidemiological profile of EC in the ABC, Southeast and the national territory of Brazil between 2008 and 2017. This is an ecological study that evaluated the temporal trend...

Author(s): André Akira Ramos Takahashi, Livia Akemi Ramos Takahashi, Lucas Pereira Abrão Eid, Sandra Di Fellice Boratto, Carlos Eduardo Rodante Corsi, Jaques Waisberg and Luiz Vinicius de Alcântara Sousa  

African Journal of Biotechnology
Genetic diversity of Faidherbia albida populations in the Sudano Sahelian region of Cameroon, using simple sequence repeat (SSR) markers

July 2020

Faidherbia albida (DEL.) A. Chev is widely grown in the northern region of Cameroon because of its many benefits to local communities. However, droughts and deforestation have led to decreases in the abundance of this species, increasing the need to identify improved genotypes for conservation, management, and breeding. The genetic diversity of F. albida in nine populations from the Sudano-Sahelian region of northern...

Author(s): T. Dorothy Tchatchoua, R. Scott Poethig, Erin Doody, T. Casey Weathers, Krystle Swartz, Iain Mathieson, Nicole Zembower, Tetyana Zhebentyayeva and John E. Carlson  

Educational Research and Reviews
Impact of teaching topics of equality and equation with scenarios on 7th graders’ mathematical achievement and mathematical motivation

July 2020

In the current study, effects of teaching equality and equation with scenarios on students’ mathematical achievement and mathematical motivation were analyzed. In addition, students’ views on using scenarios for teaching equality and equation were included. A pre-posttest quasi-experimental design with Control Group (CG) was employed as the design of the research.  The study group of the current...

Author(s): Neslihan USTA and Büşra ÇAĞAN

African Journal of Biotechnology
Readiness of the Nigerian public for the introduction of genetically modified crops into the food market

July 2020

Genetically modified crops (GM crops) have gained wide attention over the years some GM crops have been undergoing field trials in Nigeria, but they have not proceeded to commercial cultivation due to the absence of regulatory law. The biosafety act was passed into law in 2015 and the presence of this law, can see to the progression of the GM crops from field trials to commercialization. This study investigated the...

Author(s): Oluwakemi H. Oladipo, Rauf R. Ibrahim, Seyi E. Adeboye and Harry Kuiper

African Journal of Microbiology Research
Molecular characterization, biofilm production and sensitivity to the natural extract of Staphylococcus spp. from subclinical mastitis in goats

July 2020

Mastitis is one of the most important diseases in dairy milk systems. Molecular studies of the principal agents that are involved, as well as tests of bacterial sensitivity to plant extracts, are currently the most common forms of research related to this disease. The aim of the present study was to molecularly characterize isolates from cases of subclinical mastitis and to investigate the production of biofilm...

Author(s): Rodolfo de Moraes Peixoto, Renata de Moraes Peixoto Araújo, Werônica de Souza Rocha, Luciana Jatobá e Silva Peixoto, Gisele Veneroni Gouveia, Jackson Roberto Guedes da Silva Almeida, Helinando Pequeno de Oliveira and Mateus Matiuzzi da Costa  

International Journal of Biodiversity and Conservation
Communities’ perceptions regarding the impact of Hoima-Tanga crude oil pipeline on the loss of biodiversity in Swagaswaga Game Reserve, Tanzania

July-September 2020

This study was conducted to evaluate perceptions of communities surrounding the Swagaswaga Game Reserve regarding the impact of the proposed Hoima-Tanga crude oil pipeline on biodiversity loss. The pipeline will transect the game reserve and some of the neighbouring villages. The study involved 156 randomly selected respondents from four purposefully selected villages located at 0 to 10 km and 11 to 20 km from the game...

Author(s): Nyamasija F. Nyakeko,, Julius W. Nyahongo and Eivin Røskaft  

International Journal of Biodiversity and Conservation
Potential of Acacia for poverty alleviation in Rorya District-Tanzania

July-September 2020

Rorya is one of new districts in Tanzania established in 2007. The district is a reflection of typical rural life in Africa South of Sahara where rural communities inhabiting dry woodlands and dependent on natural resources for their sustenance do not consider indigenous tree species as valuable resources of income. The study was conducted in the low lands of Rorya district-Tanzania to assess contribution of wild Acacia...

Author(s): Joseph Nicolao Otieno  

International Journal of Biodiversity and Conservation
Floristic diversity and stand structural analysis of gallery forests in Ajei highland watershed community forest, North West Cameroon: Implications for forest conservation and management

July-September 2020

The study was aimed at contributing to sustainable management of Ajei Highlands Watershed Community Forest, one of the vulnerable and highly threatened biological hotspots remaining within the Cameroon western highlands through an analysis of its woody species diversity and stand structure. The results of inventory of its 12 gallery forest patches through 17 permanent sample plots (20 m x 50 m) with multiple spatial...

Author(s): Gordon N. Ajonina, Lucie Felicité Temgoua, Mbacham Chenyuei Itagah, Ngoh Micheal Lyonga, Prince Etame and David Chick Forkam  

International Journal of Water Resources and Environmental Engineering
Influence of bed roughness on near-bed turbulent flow characteristics

July-September, 2020

Influence of bed roughness on near-bed flow characteristics is of considerable importance, especially in turbulent flows over rough beds. This experimental study is devoted to insight various turbulent flow characteristics such as velocity distributions, Reynolds shear stresses (RSS) and velocity power spectra at the groove, lee and crest level of carrier fluid in an immobile gravel bed stream. Uniform round shape...

Author(s): Ratul Das and  Sinan Nizar  

Journal of Agricultural Extension and Rural Development
Local appropriation of socio-technical innovation: Case study of the shared mechanisation in Benin

July-September 2020

The paper explored different processes of appropriation that sustain experiences of shared mechanisation in Benin. It analyzed the links between groups’ homogeneity, the member’s representations of shared mechanisation and the processes of setting cost recovery rules for sustainable utilization of farm equipments. We identified some gaps between formal and applied rules in cooperatives and revealed that...

Author(s): Ismail MOUMOUNI-MOUSSA  

Journal of Chemical Engineering and Materials Science
Synthesis and characterization of hemp and flax fiber reinforced geopolymer composites

July-December 2020

Reinforced Ordinary Portland Cement (OPC) has for a long time been a viable binder until the realization of its huge contribution to the excess carbon dioxide emitted in the atmosphere during its fabrication. The aim of this research work is to synthesize and characterize Collie fly ash based geopolymer composites reinforced with flax and hemp fibers. It was shown in this work that fiber reinforced geopolymer composites...

Author(s): Elvis Sikapizye and Adrian Habanyama  

Educational Research and Reviews
Investigation of the relationship between critical thinking levels and academic achievement levels of students in Faculty of Sports Science

July 2020

This study aims to investigate the relationship between critical thinking levels and academic achievement levels of the students in faculty of sports science. The research population consists of 1170 students studying at the Usak University, Faculty of Sport Sciences in the fall semester of 20192020. The sample group consisted of 334 students selected from the university by random sampling method through voluntary...

Author(s): Mihriay MUSA

Educational Research and Reviews
Development of the English teaching evaluation model focusing on task-based learning to develop English writing ability and creative thinking in Language for sixth grade students in Thailand

July 2020

This research aimed to study current situations, problems and needs for the development of an English teaching evaluation model focusing on task-based learning to develop English writing ability and creative thinking in the language; to create the development of the English teaching evaluation model, implement and evaluate the model designed. The research tools consisted of a structured interview form, an English...

Author(s): Phetaree Srimunta, Terdsak Suphandee, Somprasong Senarat, Sunan  Sripai and Sirisak Ardwichai  

Page 6 of 1196, showing 50 records out of 59795 total, starting on record 251, ending on 300