Passer au contenu principal

Parcourir les contenus (90 total)

Collection: Revue Nature et Technologie

Trier par :

Characterization of the lighting environment and visibility, and qualification of the degree of visual comfort in the reception areas of hospitals in Setif - Algeria

The hospital architectural space, especially the reception and waiting area, by its nature, is a sensitive and quite complex place. In Algeria, this space presents a panoply of problems of a societal, functional, spatial, ambiental, visual and human…

Chemical characterization of orange peels, identification by GC-MS and evaluation of the antioxidant power of their essential oils

In this study we are interested in the recovery of some orange peel varieties from the region of Bejaia (Washington, Thomson, Double Fine, Portuguese, Jaffa, Sanguinelli and Bitter). Thus, we carried out a phytochemical study which enabled us to…

Climate change observed on the Senegalese coastline (Dakar region) since 1960 Dakar Region) since 1960: Study of the variability of trends in temperature and rainfall trends

Climate change, one of the biggest current concerns of the planet, is characterized by an increase of the average temperature of theoceans and the atmosphere, the decrease of the rainfall in quantity and in duration, the accentuation of natural…

Cloning, expression, and structural modeling of two alkaline serine protease genes from extremophilic Bacillaceae -related species: Application in valorization of invasive crustaceans

Two novel protease genes sapA and sapN from the thermophilic Anoxybacillus kamchatkensis M1V and Melghiribacillus thermohalophilus Nari2AT strains respectively, encoding a polypeptide of 381 and 379 residues, were identified, cloned and successfully…

Comparative analysis between three cropping techniques and no-till for the establishment of forage sorghum in order to optimize its yield

This work focuses on a comparative analysis of the effect of three cultivation techniques and direct seeding for the establishment of a fodder crops, on soil physical properties and the consequences on fodder sorghum growth and crop yield. To answer…

Composting-methanization of solid urban bio-waste from the municipality of Chlef (Algeria)

In Chlef, the management of urban solid bio-waste is limited to "all in controlled landfill or in wild landfill". This bio-waste can be treated by composting-methanization. With this in mind, two temperature regimes were chosen, the mesophilic regime…

Contribution to the domestication of indigenous Fabaceae species of Burundi: Entada abyssinica seedling production

In Burundi, species used in reforestation are quasi-exclusively exotic. Indigenous species and their ecosystems arecontinuously being degraded due to demographic pressure. It is crucial to domesticate indigenous species particularlythose with…

Correlations between quality, enzymatic activities and storage stability of UHT milk in Tunisia

Destabilization of ultra-high temperature (UHT) milk (140 °C, 4s) in the form of gel or sediment may occur during storage. Thisphenomenon is a real industrial and scientific problem that could be caused by milk proteolysis and lipolysis. This study…

Détermination et caractérisation des sidérophores synthétisés par quelques souches de Pseudomonas spp. fluorescents phytobénéfiques

Cette étude est consacrée à la détermination de la capacité de 5 souches autochtones de groupe fluorescent des Pseudomonas et une souche de référence CHA0 à produire des sidérophores. Les 5 souches testées ont été isolées de la rhizosphère de…

Diet Of Little Egret (egretta garzetta) Chicks In The Boughrara Lagoon (Southeastern Tunisia): Prey Selection and Effect of Chicks Age

This work aimed at investigating the diet of Little Egret (Egretta garzetta) chicks in a breeding colony at the Boughrara Lagoon, insoutheastern Tunisia. Using the regurgitate analysis method; we described the diversity of preys consumed by the…

Formats de sortie

atom, dc-rdf, dcmes-xml, json, omeka-xml, rss2