Results 21 to 30 of about 9,476 (221)
Entomofauna of Ziban Oasis, Biskra, Algeria [PDF]
An inventory was carried out at five stations in the oasis of Ziban, an oasis that is characterized by its high-quality dates, in order to study the relationships between the oasis ecosystem and its insect fauna. Specimens were sampled using pitfall traps containing ethylene glycol as a preservative.
DEGHICHE DIAB, N +2 more
openaire +3 more sources
The population changes of Tuta absoluta was surveyed during three growing seasons in greenhouse tomatoes in Biskra. Introduced in 2009 for the first time, it seems to be well established on tomato crops in Biskra; while their natural enemies remained ...
Farid ALLACHE, Fatma DEMNATI
doaj +1 more source
Genotype Syntactic Study of Vernacular Houses in Biskra City
Purpose This paper provides an analysis of the vernacular houses of the city of Biskra, in the north-eastern Algerian Sahara. The aim is to examine the underlying genotype of the spatial configuration of the city's vernacular house plans and to consider the parameters that influence the domestic arrangement and phenotypic aspects of the house layout ...
Barkat, Rihane +2 more
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Determination of the flood volume by the aspects of peak flow and flood hydrograph at the level of the city of Biskra, Wadi Biskra watershed, Algeria. [PDF]
Abstract The peak flow of a flood can be determined by several empirical methods. Among these methods, the Gradex method is used in this work to estimate the project flood and the volumes corresponding to the flows. This approach has made it possible to recognize the flow of different frequencies by aspects of the peak flow and the flood ...
amel Boumessenegh, hadda dridi
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Prediction of Solar Radiation According to Aerosol Optical Depth [PDF]
The dependencye of aerosol optical depth on wavelength as well as the fit of the humidity, temperature and pressure approximation under atmoshperic condition at Biskra city of Algeria has been investigated.
F. Chabane, A. Arif, N. Moummi, A. Brima
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Thermophysical behavior of date palm fiber-reinforced polyvinylchloride /low-density polyethylene/acrylonitrile butadiene rubber copolymer ternary composite [PDF]
Date palm tree leaf-reinforced polymer composites have important advantages, such as sustainability and lowcost. In the present study, ternary blend composites of polyvinyl chloride (PVC), low-density polyethylene (LDPE), and acrylonitrile butadiene ...
Slimani Mohammed +3 more
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This paper presents an experimental investigation to examine the mechanical, thermal, and physical properties, and to perform the microstructural analysis of compressed earth block (CEB) incorporating date palm waste aggregates (DPWA) as a thermal ...
Elhoussine Atiki +4 more
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New tool to improve the oasis ecosystem using QGIS. Case study: Biskra city in Algeria [PDF]
The world experiences a phenomenon of accelerated urbanization since the last century to our day that poses several problems, in particular natural environment.
Fatma Zohra Hadagha +2 more
doaj
Sand Dune Characterization for Preparing Metallurgical Grade Silicon
Dune sand, from Biskra, Algeria which is in the Great Algerian huge desert attracts tourists from all over the world. Dune sand composes around 80% of the total area of the desert. To date only a few studies have been conducted on this sand.
Boussaa S. Anas +2 more
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The building envelope is the first barrier to protect against external climatic variations. Generally, it consists of two types of walls: opaque walls (walls and roof) and transparent walls (Windows).
Sihem Latreche, Leila Sriti
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