Results 51 to 60 of about 279,683 (351)

High‐Fidelity Simulation‐Driven Control Framework for Robust Grid Integration of Renewable Energy Systems

open access: yesEnergy Science &Engineering, EarlyView.
This work proposes a high‐fidelity, simulation‐driven control framework for robust grid integration of hybrid PV–wind systems using a modular, hierarchical multi‐loop architecture with adaptive decision logic. The framework coordinates power, DC‐link voltage, and grid currents under fast load and generation changes, enabling safe exploration of extreme
Wulfran Fendzi Mbasso   +5 more
wiley   +1 more source

The Harmful Traditional Practice of Breast Ironing in Cameroon, Africa. [PDF]

open access: yes, 2017
This article will examine the harmful traditional practice of breast ironing, a common occurrence in Cameroon. Breast ironing affects approximately one in every four adolescent girls in Cameroon and is typically performed by the mother of the child who ...
Pearsell, Rachel
core   +1 more source

Time‐Domain Geoelectrical Modeling and Experimental Validation of Ground Potential Rise in Multilayer Soil Structures during Fault Events

open access: yesEnergy Science &Engineering, EarlyView.
This study develops a time‐domain geoelectrical model of ground potential rise (GPR) in multilayer soil that couples electromagnetic field theory with nonlinear fault arc resistance. Finite‐element simulations calibrated against scaled fault‐injection experiments reproduce measured GPR and step/touch voltages within 4.7% error, revealing that steady ...
Wulfran Fendzi Mbasso   +7 more
wiley   +1 more source

Cameroon

open access: yesIMF Staff Country Reports
This paper discusses Cameroon’s Eighth Reviews under the Extended Fund Facility and Extended Credit Facility, as well as the Third Review under the Resilience and Sustainability Facility Arrangement. Despite modest economic growth, Cameroon has maintained macroeconomic stability in the face of domestic and external shocks.
  +6 more sources

Integrated cost-benefit analysis of tsetse control and herd productivity to inform control programs for animal African trypanosomiasis [PDF]

open access: yes, 2018
Animal African trypanosomiasis (AAT) and its tsetse vector are responsible for annual losses estimated in billions of US dollars ($). Recent years have seen the implementation of a series of multinational interventions.
Chilongo, K   +7 more
core   +1 more source

Adaptive Hybrid Energy Harvester Integrating PV, TEG, and Piezoelectric Sources With Real‐Time Power Management and Experimental Validation

open access: yesEnergy Science &Engineering, EarlyView.
An adaptive hybrid energy harvester combining photovoltaic, thermoelectric, and piezoelectric sources is experimentally demonstrated. Real‐time power management dynamically allocates and conditions multisource inputs, achieving improved robustness and efficiency under variable environmental conditions compared with single‐source harvesting.
P. Ndy Von Kluge   +3 more
wiley   +1 more source

Prevalence of stillbirth at the Buea Regional Hospital, Fako Division south-west region, Cameroon

open access: yesThe Pan African Medical Journal, 2019
INTRODUCTION: The study investigated the prevalence of stillbirth at the Buea regional hospital, by taking cases of pregnant women who attended antenatal clinic(s) and those who did not attend but had their deliveries at the Buea regional hospital.
Nkengafac Boris Anu   +6 more
doaj   +1 more source

Contribution of Free Fatty Acids to Emulsion Building and Stability: Understanding the Mechanism From the Case Study of a Crude Red Palm Oil (Elaeis guineensis)—Based Emulsion Consumed in Africa and Known as Achu Soup/Sauce Jaune/Ncha

open access: yesFood Chemistry International, EarlyView.
In an aqueous alkaline medium, fatty acids (from the hydrolysis of triglycerides or freely present in the oil) are ionised in order to form emulsifiers (carboxylates) which will physically stabilise the prepared emulsion. The higher the free fatty acids content of the oil and alkalinity of the solution, the higher will be the stability of the prepared ...
Ngoualem Kégah Franklin   +3 more
wiley   +1 more source

Accuracy and precision of four main glucometers used in a Sub-Saharan African Country: a cross-sectional study

open access: yesThe Pan African Medical Journal, 2019
INTRODUCTION:capillary glucose measurement using point-of-care glucometers is an essential part of diabetes care. We determined the technical accuracy, clinical accuracy and precision of commonly available glucometers against standard spectrophotometry ...
Simeon-Pierre Choukem   +4 more
doaj   +1 more source

first results from an experiment on on-farm planting material production in Cameroon [PDF]

open access: yes, 2006
Rubber smallholdings have yet to be widely developed in Cameroon and, in the absence of a support programme for that sector, small and medium-sized farms are encountering numerous difficulties.
Chambon, Bénédicte   +3 more
core  

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