Publications (5588)
ARTICLE
An existence result for impulsive functional differential equations with variable times
Khalil Ezzinbi, Hamidou Toure, Issa Zabsonre
In this work, a Schaefer fixed-point theorem is used to investigate the existence of solutions for first order impulsive functional differential with variable times.
Mots clés non renseignés
ARTICLE
Refractory bricks based on Tikaré (Burkina Faso) kaolinitic raw clay material
Mohamed Seynou, Pierre Flament, Moustapha Sawadogo, Jacques Tirlocq, Raguilnaba Ouedraogo
A raw clay material deposit in Burkina Faso has been used for refractory bricks production in the lab. The
extruded raw clay material has been fired at 1400°C to produce a chamotte grog that has been crushed into different
particle sizes. These have been mixed with 14%.wt of the raw clay material as a binder. The admixture has then been(...)
Refractory bricks, refractoriness under load, mullite, cristobalite
ARTICLE
Algèbres de Lie triple sans idempotent
Joseph Bayara, Amidou Konkobo, Moussa Ouattara
Idempotents play an important role in the investigation of nonassociative algebras structure ([2],[18],,[21]). However, the existence of such elements is not always guaranteed, specially when dealing with algebras that are defined by polynomial identities. Hence, in many cases, one has to assume the existence of idempotents $([3,11,17])$ in or(...)
Lie triple algebra, pseudo-idempotent, Jordan algebra, Peirce decomposition
ARTICLE
Geographical patterns of woody plants’ functional traits in Burkina Faso
Marco Schmidt, Salifou Traoré, Amadé Ouédraogo, Elisée Mbayngone, Oumarou Ouédraogo, Alexander Zizka, Ivana Kirchmair, Elice Kaboré, Elisé Tindano, Adjima Thiombiano, Karen Hahn & Georg Zizka
The West African vegetation zones from the Sahara desert to the Guinean rainforests are shaped by a steep latitudinal precipitation gradient. Their taxonomical and functional composition changes considerably along this gradient. Based on comprehensive distribution data from herbariun collections and relevés this paper presents modelled distrib(...)
Burkina Faso – Ecological gradients – Plant functional traits – Savanna – Species distribution models – Trees
ARTICLE
Insecticide resistance in Bemisia tabaci Gennadius (Homoptera: Aleyrodidae) and Anopheles gambiae Giles (Diptera: Culicidae) could compromise the sustainability of malaria vector control strategies in West Africa
Olivier Gnankiné , Imael H.N. Bassolé , Fabrice Chandre , Isabelle Glitho , Martin Akogbeto , Roch K. Dabiré , Thibaud Martin
Insecticides from the organophosphate (OP) and pyrethroid (PY) chemical families, have respectively, been in use for 50 and 30 years in West Africa, mainly against agricultural pests, but also against vectors of human disease. The selection pressure, with practically the same molecules year after year (mainly cotton), has caused insecticide re(...)
West Africa Insecticide resistance Bioassays Bemisia tabaci Anopheles gambiae Integrated Pest Management (IPM)
ARTICLE
Origines et développement de la métallurgie du fer au Burkina Faso et en Côte d’Ivoire. Avancement des recherches en 2013 et quantification des vestiges de Korsimoro (Burkina Faso).
SIMPORE Lassina
En 2013, les recherches sur les vestiges sidérurgiques en Afrique de l'Ouest se sont poursuivies en Côte d'Ivoire et au Burkina Faso par le biais de prospections menées a bien par les équipes d'Abidjan et de Ouagadougou.
L'étude du site de Korsimoro a progressé sur plusieurs plans. Une série de datations, 4C supplémentaires a été faite. Les p(...)
metallurgie, fer
ARTICLE
Le cadre juridique de la protection du patrimoine culturel physique du Burkina Faso
SIMPORE Lassina
Le droit dans son sens large est l’ensemble des règles et des normes générales qui régissent les rapports entre les individus et définissent leurs droits et prérogatives ainsi que ce qui est obligatoire, autorisé ou interdit. Le droit est segmenté en différents sous-ensembles correspondant à un domaine de la législation. C’est ainsi qu’il est(...)
Droit, patrimoine culturel
ARTICLE
Metabolomic-Based Study of the Leafy Gall, the Ecological Niche of the Phytopathogen Rhodococcus Fascians, as a Potential Source of Bioactive Compounds
Aminata P Nacoulma, Olivier M Vandeputte, Manuella De Lorenzi, Mondher El Jaziri, Pierre Duez
Leafy gall is a plant hyperplasia induced upon Rhodococcus fascians infection. Previously, by genomic and transcriptomic analysis, it has been reported that, at the early stage of symptom development, both primary and secondary metabolisms are modified. The present study is based on the hypothesis that fully developed leafy gall, could represe(...)
Mots clés non renseignés
ARTICLE
Anti-nociceptive properties in rodents and the possibility of using polyphenol-rich fractions from Sida urens L. (Malvaceae) against of dental caries bacteria
Konaté K., Zerbo P., Ouédraogo M., Dibala I.C., Hilou A., Oksana S., Brestic M., Barro N.
Sida urens L. (Malvaceae) is in flora of Asian medicinal herbs and used traditionally in West of Burkina Faso for the treatment of infectious diseases and particularly used against, dental caries bacteria, fever, pain and possesses analgesic properties. This study was conducted to reveal the antibacterial effect against dental caries bacteria(...)
Sida urens L, Antibactérien, Toxicité, Analgésique
ARTICLE
Entropy solution to nonlinear multivalued elliptic problem with variable exponents and measure data
Ismae ̈l Nyanquini, Stanislas Ouaro, and Safimba Soma
We study a nonlinear elliptic problem governed by a general Leray-Lions operator
with variable exponents and diffuse Radon measure data that does not charge the sets of zero
p(.)-capacity. We prove a decomposition theorem for these measures (more precisely, as a sum ′
of a function in L1(Ω) and of a measure in W−1,p (.)(Ω)) and an existence(...)
Diffuse measure, biting lemma of Chacon, maximal monotone graph, Radon measure data, weak solution, entropy solution, Leray-Lions operator
ARTICLE
Influence of engine load and fuel droplet size on performance of a CI engine fueled with cottonseed oil and its blends with diesel fuel
Tizane Daho, Gilles Vaitilingom, Salifou K. Ouiminga, Bruno Piriou, Augustin S. Zongo, Samuel Ouoba, Jean Koulidiati
In this study, favorable conditions to achieve good combustion of cottonseed oil and its blends with diesel fuel in a direct injection diesel engine have been highlighted. This has been performed by analyzing fuel droplet size distribution and determining engine specific fuel consumption and thermal efficiency, combustion parameters (ignition(...)
Diesel engine, Droplet size, Emission
ARTICLE
Influence of engine load and fuel droplet size on performance of a CI engine fueled with cottonseed oil and its blends with diesel fuel
Tizane Daho, Gilles Vaitilingom, Salifou K. Ouiminga, Bruno Piriou, Augustin S. Zongo, Samuel Ouoba, Jean Koulidiati
In this study, favorable conditions to achieve good combustion of cottonseed oil and its blends with diesel fuel in a direct injection diesel engine have been highlighted. This has been performed by analyzing fuel droplet size distribution and determining engine specific fuel consumption and thermal efficiency, combustion parameters (ignition(...)
Vegetable oil, Diesel engine, Droplet size, Emission
ARTICLE
First report of the fruits flies, Ceratitis quinaria and Ceratitis silvestri, on yellow plum Ximenia americana in Burkina Faso, West Africa
A. BADOLO
Fruits of Ximenia americana provide oil that is used for food and cosmetics. However, oil production potentials are limited by damages caused by the fruit flies. This research focused on the identification of the harmful insects of the ripe fruits of X. americana, the measure of morphometric and demographic parameters. Damages were also determ(...)
Mots clés non renseignés
ARTICLE
Antibacterial and phytochemical studies of three Acanthaceae species used in Burkina Faso traditional medicine
Ouattara Nabèrè, Hilou Adama, Guenné Samson, Konaté Kiessoum, Zerbo Patrice, Meda Nâg-Tiero Roland, Compaoré Moussa, Kiendrébeogo Martin, Millogo F. Jeanne and Nacoulma O. Germaine
New and innovative antibacterial drugs research from plants is a best strategy to overcome the world problem about bacterial diseases. The aim of this study was to evaluate the in-vitro antibacterial activity and the phytochemical profile of various extracts from Hygrophila auriculata (Schumach.) Heine, Nelsonia canescens (Lam) Spreng and Peri(...)
Hygrophila auriculata, Nelson canescens, Peristrophe Bicalculata, phytochemical, antibacterial
ARTICLE
Endemic Malagasy Dalbergia species inhibit quorum sensing in Pseudomonas aeruginosa PAO1
M. KIENDREBEOGO
Various species of the plant genus Dalbergia are traditionally used as medicine for sundry ailments and some of them have been shown recently to quench the virulence of Gram-positive and Gram-negative bacteria. Cell-to-cell communication mechanisms, quorum sensing (QS) in particular, are key regulators of virulence in many pathogenic bacteria.(...)
Mots clés non renseignés