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Aufsatz
Hermetic technologies and grain quality of Phaseolus lunatus L. in the Yucatan peninsula, Mexico
(2023-12-23)
In southern Mexico, postharvest losses of grains are an important constraint in achieving food security and conservation of biodiversity. This study was conducted under field conditions to investigate the effect of prolonged storage on the grain quality of lima beans. Grain damage, moisture content, seed germination, and culinary quality were evaluated during six months of storage in hermetic containers and traditional methods. Data were subjected to analysis of variance and differences between treatments separated ...
Aufsatz
Evaluation of the breeding soundness test for Bonga sheep in the context of a community-based breeding programme in Ethiopia
(2023-12-29)
The aims of this study were to evaluate sire selection traits and semen characteristics for Bonga sheep. A total of 101 sires with different birth year from the Bonga sheep community based breeding programme (CBBP) were used to collect data. The data was analysed by using the GLM procedure of SAS and least square means was separated by using adjusted Tukey-Kramer method. The breeding soundness tests consisted of physical examinations, sire body condition score (BCS), scrotum circumference, estimated breeding value ...
Aufsatz
Effect of grain size on the very high cycle fatigue behavior and notch sensitivity of titanium
(2019)
The very high-cycle fatigue performances of coarse-grained and ultrafine-grained titanium samples with different geometries at ambient temperature and various stress amplitudes were investigated. Severe plastic deformation improves monotonic strength of titanium at the cost of a loss in ductility. Ultrafine-grained titanium demonstrates a superior fatigue performance compared to that of coarse-grained counterparts in the high-cycle fatigue regime, however, suffers notch sensitivity. Furthermore, in the very high-cycle ...
Aufsatz
Preferences of market gardeners for traditional vegetables and associated factors in urban areas of southern Benin
(2023-12-28)
There is a growing interest in the promotion of the use of traditional vegetables to reduce vitamins, minerals, and dietary fibres’ gaps of populations and to support rural and urban livelihoods in sub–Saharan Africa, including in Benin, because they are considered as more nutritious, accessible, and more culturally acceptable for consumers than many exotic vegetables. Meanwhile, the extent to which these traditional vegetables are preferred by the target populations, and especially by the local market gardeners who ...
Zeitschrift
Journal of Agriculture and Rural Development in the Tropics and Subtropics, Heft 2, Jg. 107
(kassel university press, 2006)
Working paper
Bringing heterodoxy back into a world of pessimism
(2024-01-29)
In this Extractivism Occasional Papers’ volume, we brought together two first-wave scholars working on structuralism, class and development, Luiz Carlos Bresser-Pereira and Hartmut Elsenhans, and upcoming scholars – Ingrid Harvord Kvangraven, Fernando Rugitsky and Johanna Siebert – who build on structuralist thinking to present their own take on the importance of revitalising it. Our project follows the Hegelian dialectics and seeks aufheben, in the sense of learning from the past, preserving what is valuable, and ...
Teil eines Buches
Operaciones de invisibilización. El caso del Portal Único del Estado colombiano (GOV.CO)
(Editorial Biblos, 2023)
La presente contribución tiene como objetivo presentar aproximaciones interdisciplinares a las actividades regulatorias del Estado a la hora de comunicarse con los ciudadanos. Suponemos que tales actividades se asocian a prácticas de invisibilización y simplificación de sus destinatarios que muestran concepciones de la ciudadanía y de la nación fuertemente acotadas que ignoran las realidades de las poblaciones a las que van dirigidas. Para lograr este objetivo, proponemos una lectura multimodal de contenidos seleccionados ...
Working paper
Searching for a substitute: Algeria and Venezuela as energy security alternatives for Europe?
(2024-01-26)
• Venezuela und Algerien sind für die Europäische Union potenzielle, zukünftige Energiepartner.
• Die EU steht vor einer doppelten Herausforderung: Sie muss kurzfristige Alternativen für Gaslieferungen finden und sich langfristig
einem green deal verpflichten. Dies erfordert einen grundlegenden Wandel der Zusammenarbeit zwischen EU mit ihren
Energielieferländern.
• Algerien verfügt über großes Potenzial erneuerbarer Energien, es mangelt ihnen jedoch an Technologie und Kapital. Eine EUAlgerien
Energiepartnerschäft ...
Working paper
Les dynamiques socio-économiques du Hirak Algérien : un facteur souvent ignoré
(2023-09)
• In 2019, Algeria experienced one of the largest popular uprisings the country has ever seen in its post-independence history: the Hirak.
• The crisis had been looming for several years, as shifts in the political elite increased. The end of the financial boom exacerbated this process.
• Between 2015 and 2018, oil and gas export revenues declined by an average of 14% per year.
• Socioeconomic factors ultimately contributed to the outbreak of the Algerian hirak.
Habilitation
Twin Basic Quantum Calculus and its Applications
(2024)
We give in this work some results on twin basic quantum calculus. The (p,q)-derivative, the (p,q)-integral and some (p,q)-Taylor formula are discussed. Next, we introduce and provide several results about (p,q)-Gamma and (p,q)-Beta functions. Some (p,q)-Sturm Liouville problems are introduced and some (p,q)-hypergeometric solutions are obtained. The work ends with the introduction (p,q)-Appell polynomials and some (p,q)-Laplace transforms.