Results 111 to 120 of about 54,255 (262)

Sahara [PDF]

open access: yes, 1943
Sahara. From newsclipping on back: "Bruce Bennett, supportin Humphrey Bogart in 'Sahara, 'starting its second week at the Liberty today."To order a reproduction, inquire about permissions, or for information about prices see: http://www.lib.washington ...

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Study of a photovoltaic system for hydrogen production in Algeria

open access: yesRevue des Énergies Renouvelables, 2012
Due to the intermittency of renewable energy and its dependence on climatic conditions, it is necessary to store the energy produced, since it is clean and having a big calorific value. Hydrogen is the better energy carrier at this moment.
L. Ziani   +3 more
doaj  

The variability of giraffe skull morphology

open access: yesJournal of Anatomy, EarlyView.
What does giraffe skull shape tell us about their development and evolution? Abstract Giraffe (Giraffa spp.) are among the most unique and charismatic extant animals, largely due to their distinct morphology. The evolutionary and developmental origin of ossicones is a key factor in giraffid biology, yet other features building their characteristic head
Nikolaos Kargopoulos   +15 more
wiley   +1 more source

Thermal histories of El Médano 300 (EM 300) and Northwest Africa 8155 (NWA 8155): Implications for the diversity of IAB‐ungrouped iron meteorites and their parent bodies

open access: yesMeteoritics &Planetary Science, EarlyView.
Abstract This study provides the first petrographic, crystallographic, and chemical comparison between El Médano 300 (EM 300) and Northwest Africa 8155 (NWA 8155), two particular IAB‐ungrouped iron meteorites. Both contain exceptionally large graphite nodules and “flowers”, providing unique insights into carbon behavior in metallic melts and cooling ...
L. Perez   +8 more
wiley   +1 more source

Antibiotic Resistance in Adult Patients with Urinary Tract Infection due to Escherichia Coli

open access: yesPakistan Armed Forces Medical Journal
Objective: To determine emerging antibiotic resistance of Escherichia Coli among isolated from the patients with urinary tract infection. Study Design: Cross-sectional study. Place and Duration of Study: Pathology Department, Sahara Medical College,
Saeeda Nabat ul Hassan   +5 more
doaj   +1 more source

The first discovery of a shocked, metasomatised CV3 chondrule‐fragment in a (Al,Cu)‐bearing micrometeorite

open access: yesMeteoritics &Planetary Science, EarlyView.
Abstract We report the discovery of the second (Al,Cu)‐alloy–bearing micrometeorite, FB‐A2, recovered from Mount Gariglione (southern Italy), representing the sixth such occurrence worldwide. Although chondritic in nature, FB‐A2 differs markedly from previously described microspherules.
Giovanna Agrosì   +6 more
wiley   +1 more source

Stones and Flies. Richard Long in the Sahara - ACE175.2 [PDF]

open access: yes
Richard Long walking past brick-maker, past group of resting camels, goats, on across desert. Walking to and fro, scuffing his feet to make a straight line on the surface. VO "A journey is a meandering line.

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Disturbance legacies in arid environments shape recovery of former agricultural land

open access: yesRestoration Ecology, EarlyView.
Abstract Introduction Increasingly, arid agricultural land is being permanently taken out of irrigated production due to more frequent drought, higher temperatures, and the overconsumption of groundwater, with important ramifications for ecological recovery.
Laurel M. Brigham   +5 more
wiley   +1 more source

The Impacts of Weather Variability and Shocks on Farmers and Indigenous Peoples' Consumption: Evidence From Panama

open access: yesReview of Development Economics, EarlyView.
ABSTRACT Weather variability and shocks pose significant challenges for tropical developing countries, making it crucial to understand their effects on consumption to address the existing deficiencies among the most vulnerable groups. This study examines the impact of weather variability and shocks on household consumption in Panama, utilizing repeated
Ambar Lineth Chavez Espinosa   +1 more
wiley   +1 more source

Sahara [PDF]

open access: yes, 1892
Sahara. In: Annales de Géographie, t. 1, n°5, Bibliographie. 1892.

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