Results 51 to 60 of about 77,183 (193)

Alloy Solutions for Ammonia Cracking: A Review

Materials and Corrosion, EarlyView.
This work provides a literature overview of the nitriding and degradation of structural materials under ammonia cracking conditions and explains the known mechanisms and the gaps, where research is required. ABSTRACT Hydrogen is a key factor in energy storage and transportation, which will inevitably lead to a substantial increase in demand.
Mathias Christian Galetz, Katharina Beck, Clara Schlereth, Ceyhun Oskay   +3 more
wiley   +1 more source

Adult Desert Locust Swarms, Schistocerca gregaria, Preferentially Roost in the Tallest Plants at Any Given Site in the Sahara Desert

Agronomy, 2020
The desert locust, Schistocerca gregaria, is a major migratory pest that causes substantial agricultural damage. Flying adult swarms disperse widely during the daytime, but they densely roost on plants at night.
Koutaro Ould Maeno, Sidi Ould Ely, Sid’Ahmed Ould Mohamed, Mohamed El Hacen Jaavar, Mohamed Abdallahi Ould Babah Ebbe   +4 more
doaj   +1 more source

Existence results for some generalized Sigmoid Beverton-Holt models in time scales

Nonautonomous Dynamical Systems, 2023
In this article, we investigate some generalized Sigmoid Beverton-Holt models in time scales, and we obtain the existence and uniqueness of a globally attractive almost periodic solution to the associated dynamic equations with or without survival rates ...
Abdelahi Mariem Mohamed, Sambe Mohamed Ahmed, Moulay Ely Elkhomeini   +2 more
doaj   +1 more source

African Migration to Europe:Obscured Responsibilities and Common Misconceptions [PDF]

, 2007
The number of migrants from conflict regions in Africa has been increasing dramatically. The European Union shares dual responsibility for the continuing migration pressure: First, because they fostered over decades corrupt and autocratic regimes with ...
Kohnert, Dirk
core   +4 more sources

Diagnosis and Management of Prenatal Hereditary Pyropoikilocytosis

Prenatal Diagnosis, EarlyView.
ABSTRACT Hereditary pyropoikilocytosis (HPP) is a severe hemolytic anemia caused by variants in SPTA1, SPTB, and EPB41. These weaken horizontal interactions in the erythrocyte cytoskeleton, causing membrane fragmentation and splenic sequestration. It will readily cause fetal anemia and often hydrops fetalis. Prenatal diagnosis requires first ruling out
Connor Hartzell, Samantha Stover, Nora Gibson, Timothy Olson, James Connelly, Matthew Grace, Jennifer Andrews   +6 more
wiley   +1 more source

Infrastructure and the Path to Sustainability: How Governance Shapes Development Outcomes in Africa

Sustainable Development, EarlyView.
ABSTRACT Infrastructure development, as an SDGs objective, foster inclusive growth by improving access to transport, energy, and digital systems, enhancing productivity, connectivity, resilience, and sustainability while reducing inequalities and supporting environmental goals. This study examines the impact of infrastructure development on sustainable
Germain Stephane Ketchoua, Sodiq Arogundade, Santos Bila, Nomsa Phindile Nkosi   +3 more
wiley   +1 more source

Political Parties and Democratization in Mauritania: Weak Structure and Many Splits [PDF]

مجلة الاجتهاد للدراسات القانونية والاقتصادية, 2019
The current study seeks to examine the phenomenon of the structure of political parties in Mauritania and their splits. The problem of the study revolves around the analysis of the role of the Mauritania political parties in consolidating the process of ...
Mohamed Dah Abdelkader
doaj  

Effectiveness and Coverage of Treatment for Severe Acute Malnutrition Delivered by Community Health Workers in the Guidimakha Region, Mauritania

Children, 2021
Geographical and economic access barriers to health facilities (HF) have been identified as some of the most important causes of the low coverage of severe acute malnutrition (SAM) treatment. The objective of this study is to assess the effectiveness and
Pilar Charle-Cuéllar, Noemí Lopez-Ejeda, Hassane Toukou Souleymane, Diagana Yacouba, Moussa Diagana, Abdias Ogobara Dougnon, Antonio Vargas, André Briend   +7 more
doaj   +1 more source

Mauritania: Perspectivas políticas después del intento de golpe de Estado [PDF]

, 2003
A pesar de sus vínculos -históricos y actuales- con España, Mauritania es un país al que se ha prestado escasa atención. La complejidad política interna de Mauritania y su posición en las relaciones internacionales ha suscitado la pregunta de cuál puede ...
Ruiz Miguel, Carlos
core  

Do Donors Provide Foreign Aid Based on Needs? An Analysis of Funding Flows to Higher Education During the Implementation of the SDGs

Sustainable Development, EarlyView.
ABSTRACT A key objective of the Sustainable Development Goals (SDGs) is to leave no one behind and support least developed and other fragile countries first. The same is an objective of the Development Assistance Committee (DAC) group of bilateral donors.
Savo Heleta, Logan Cochrane
wiley   +1 more source