Results 31 to 40 of about 19,316 (153)
Business for peace: How entrepreneuring contributes to Sustainable Development Goal 16
Business Research Quarterly, 2023 We examine entrepreneurial ventures in a post-conflict context to identify practices that are helpful for companies operating in conflict zones while contributing to the United Nations’ Sustainable Development Goal 16 (SDG 16)—Peace, Justice, and Strong ...
Peter Jack Gallo +2 more
doaj +1 more source
Large Scale Structure Formation of Normal Branch in DGP Brane World Model
, 2007 In this paper, we study the large scale structure formation of the normal branch in DGP model (Dvail, Gabadadze and Porrati brane world model) by applying the scaling method developed by Sawicki, Song and Hu for solving the coupled perturbed equations of
A. Cardoso, Yong-Seon Song
core +1 more source
Two-Field Quintom Models in the w-w' Plane [PDF]
, 2006 The w-w' plane, defined by the equation of state parameter for the dark energy and its derivative with respect to the logarithm of the scale factor, is useful to the study of classifying the dynamical dark energy models.
V. Sahni +4 more
core +2 more sources
An entirely analytical cosmological model
, 2008 The purpose of the present study is to show that in a particular cosmological model, with an affine equation of state, one can obtain, besides the background given by the scale factor, Hubble and deceleration parameters, a representation in terms of ...
Amendola L. +10 more
core +1 more source
On the collapse in fourth order gravities
, 2012 The gravitational collapse in fourth order theories of gravity defined by an arbitrary action of the scalar curvature shows significant deviations with General Relativity.
Cembranos, J. A. R. +2 more
core +1 more source
Journal of Sustainable Agriculture and Environment, Volume 5, Issue 1, March 2026.ABSTRACT Food security challenges require immediate action to increase food production. Many biological products derived from plant, animal or microbial sources claim they sustainably increase yield, but there are concerns about biosecurity to be investigated before their introduction to the field.
Kay Howard, Kirsty L. Bayliss
wiley +1 more source
La contaminación del río Medellín (2006-2011): un mercado político
Lecturas de Economía, 2010 La contaminación del río Medellín (2006-2011): un mercado político Alejandra García Cardona Resumen: Este artículo describe una aproximación al proceso de formación de los costos políticoeconómicos que se generan para el Área Metropolitana del Valle
Alejandra García Cardona
doaj +1 more source
برآورد تابع تقاضای پویای مخارج دفاعی (مورد مطالعه: کشورهای سند چشمانداز 1404) [PDF]
فصلنامه سیاستهای راهبردی و کلان, 2019 حساسیت منطقه خاورمیانه و وجود مناقشات همیشگی در آن، سبب شده است سهم قابل توجهی از تولید ناخالص داخلی کشورهای این منطقه، به بخش دفاعی اختصاص داده شود. بر این اساس، هدف اصلی مقاله حاضر، برآورد تابع تقاضای مخارج دفاعی در 13 کشور خاورمیانه در سالهای 2014 ...
ابوالقاسم گل خندان
doaj +1 more source
Models of f(R) Cosmic Acceleration that Evade Solar-System Tests
, 2007 We study a class of metric-variation f(R) models that accelerates the expansion without a cosmological constant and satisfies both cosmological and solar-system tests in the small-field limit of the parameter space.
A. Klypin +4 more
core +1 more source
Sustainable Development, Volume 34, Issue S1, Page 1362-1378, January 2026.ABSTRACT How did policy actors use the European Union's (EU's) political system to achieve policy changes in regulating the sustainability and legality of transnational forest and agricultural commodity supply chains? We qualitatively analysed the development of the new EU Regulation on Deforestation‐free products (EUDR) from actor‐centred and ...
Laila Berning +2 more
wiley +1 more source