Results 81 to 90 of about 43,265 (341)

New Detector Sensitivity Calibration and the Calculation of the Interaction Force between Particles Using an Optical Tweezer

open access: yesMicromachines, 2018
We propose a new approach to calculate the sensitivity factor of the detector in optical tweezers. In this work, we used a charge-coupled device (CCD) camera and a quadrant photodiode (QPD) for the extraction of the various positions occupied by the ...
Pavel Yale   +3 more
doaj   +1 more source

How costly is it to achieve the Millennium Development Goal of halving poverty between 1990 and 2015? [PDF]

open access: yes
This paper proposes a methodology to estimate required growth rates, investment rates, and per capita foreign aid in US dollars in order to achieve the Millennium Development Goal (MDG) of halving poverty between 1990 and 2015.
Hyun H. Son, Nanak Kakwani
core  

On an Aggregation Theory for Indicators Expressing Behaviors of Complex Systems With an Application to Sustainability

open access: yesSustainable Development, EarlyView.
ABSTRACT Certain attributes of large‐scale complex systems are often expressed through sets of indicators. For example, the sustainability of an entity, be it a nation, a city, an energy system, a corporation etc., can be effectively represented by indicators and corresponding data series.
Vassilis S. Kouikoglou   +1 more
wiley   +1 more source

Bilateral Ovarian Fibrothecoma Associated with Ascites, Bilateral Pleural Effusion, and Marked Elevated Serum CA-125

open access: yesCase Reports in Obstetrics and Gynecology, 2013
Background. The risk of ovarian cancer is increased in the association of ovarian tumor, ascites, and hydrothorax with the significant elevated tumor marker CA-125.
Védi André Serges Loué   +4 more
doaj   +1 more source

Fatal Case of Lassa Fever, Bangolo District, Côte d’Ivoire, 2015

open access: yesEmerging Infectious Diseases, 2019
Lassa fever has not been reported in Côte d’Ivoire. We performed a retrospective analysis of human serum samples collected in Côte d’Ivoire in the dry seasons (January–April) during 2015–2018.
Mathieu Mateo   +16 more
doaj   +1 more source

Anti‐Globalization Dynamics and Africa's Structural Transformation: Identifying Avoidable Environmental Degradation Thresholds

open access: yesSustainable Development, EarlyView.
ABSTRACT This study pursues a dual objective. First, it investigates the unconditional impact of anti‐globalization on structural transformation in Africa. Second, it explores how environmental degradation interacts with anti‐globalization to influence structural transformation. The analysis focuses on 52 African countries over the period 2005–2023. To
Simplice A. Asongu, Ekene ThankGod Emeka
wiley   +1 more source

Women's Empowerment, Governance, and the Economics of Clean Cooking Transitions in Africa

open access: yesSustainable Development, EarlyView.
ABSTRACT Over the past few decades, the global economy, particularly in developing nations, has persistently grappled with rising dependence on conventional energy resources, thus rendering the realization of Sustainable Development Goals 5 and 7 (SDGs 5 and 7) an elusive aspiration for the international community.
Stephen Kelechi Dimnwobi   +2 more
wiley   +1 more source

Evaluating the determinants of deforestation and approaches to reforestation by cocoa farmers in Côte d'Ivoire

open access: yesPlants, People, Planet
Societal Impact Statement Cocoa‐driven deforestation threatens tropical forests, particularly in Côte d'Ivoire, the world's largest cocoa producer. This study examines the motivations behind cocoa cultivation in classified forests, the selection of ...
Alain René Atangana   +4 more
doaj   +1 more source

Numerical Blow-Up Time for a Semilinear Parabolic Equation with Nonlinear Boundary Conditions

open access: yesJournal of Applied Mathematics, 2008
We obtain some conditions under which the positive solution for semidiscretizations of the semilinear equation ut=uxx−a(x,t)f(u ...
Louis A. Assalé   +2 more
doaj   +1 more source

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