Results 21 to 30 of about 461,321 (356)
The alien flora of Sudan and South Sudan: taxonomic and biogeographical composition
Biological Invasions, 2021 Studies on plant invasions depend on local and regional checklists of the alien flora. However, global overview studies have shown that some regions, including many African countries, remain understudied in this regard. To contribute to filling this gap,
Ali Omer +4 more
semanticscholar +1 more source
Resource Rents, Human Development and Economic Growth in Sudan
Economies, 2020 This study investigates the relationship between natural resource rents, human development and economic growth in Sudan using co-integration and vector error correction modelling (VECM) over the period 1970–2015.
E. Mohamed
semanticscholar +1 more source
Green synthesis of silver nanoparticles mediated by traditionally used medicinal plants in Sudan
International Nano Letters, 2019 Sudan has a tremendous wealth flora due to its unique geographical location and diverse climate. Vast records of plants and plants’ secondary metabolites are reported to possess redox capacity and can be exploited for the biosynthesis of nanoparticles ...
R. Ahmed, D. Mustafa
semanticscholar +1 more source
BMC Genomics, 2020 The United States Department of Agriculture (USDA) National Plant Germplasm System (NPGS) sorghum core collection contains 3011 accessions randomly selected from 77 countries.
H. Cuevas, L. Prom
semanticscholar +1 more source
Polar Codes with exponentially small error at finite block length [PDF]
, 2018 We show that the entire class of polar codes (up to a natural necessary condition) converge to capacity at block lengths polynomial in the gap to capacity, while simultaneously achieving failure probabilities that are exponentially small in the block ...
Błasiok, Jarosław +2 more
core +2 more sources
Sudan and South Sudan: Through the Deconstruction and Transformation of Power to its Evolution [PDF]
Ученые записки Института Африки Российской академии наук, 2020 The research focuses on Sudan and South Sudan, where great changes in socio-political life are taking place. Following different historical researches and monitoring various modern information sources, the author provides insight into problems faced by ...
KOCHANOVA Tatiana Victorovna
doaj +1 more source
, 2020 Sudan is a country with a predominantly rainfed agriculture which is a major contributor to GDP, foreign exchange earnings, and livelihoods. However, with current and projected environmental changes on the horizon there is an urgent need to measure and ...
K. Siddig +4 more
semanticscholar +1 more source
Determination of the optimal solar photovoltaic (PV) system for Sudan
Solar Energy, 2020 Highlights • Finding the optimal solar PV and the best locations for the utilization of solar energy in Sudan using HOMER.• Investigating the costs and emissions that would be avoided using PV instead of diesel generators.• Examining the effect of solar ...
S. Fadlallah, D. E. Benhadji Serradj
semanticscholar +1 more source
Queuing with future information [PDF]
, 2014 We study an admissions control problem, where a queue with service rate $1-p$ receives incoming jobs at rate $\lambda\in(1-p,1)$, and the decision maker is allowed to redirect away jobs up to a rate of $p$, with the objective of minimizing the time ...
Spencer, Joel, Sudan, Madhu, Xu, Kuang
core +1 more source
Curve number estimation using rainfall and runoff data from five catchments in Sudan
Open Geosciences, 2022 The United States Natural Resources Conservation Services Curve Number (NRCS-CN) method uses the CN and rainfall to calculate runoff. However, there are still some uncertainties in the method, such as choosing the most appropriate CN value.
Ibrahim Salma +3 more
doaj +1 more source