Results 141 to 150 of about 1,871,937 (381)

A GEOGRAPHY OF ILLICIT CROPS (COCA LEAF) AND ARMED CONFLICT IN COLOMBIA [PDF]

open access: yes
Colombia is currently the world´s largest producer of coca leaf and the principal producer of opium poppies in the Americas; the plants are the basic raw materials used to produce cocaine and heroin.
Ana MaríaDíaz, FabioSánchez
core  

Perlindungan Terhadap Warga Sipil Sebagai Korban Penyanderaan Dalam Konflik Bersenjata Di Filipina Menurut Hukum Humaniter Internasional [PDF]

open access: yes, 2014
Protection of civilians Moro as victims of hostage in an armed conflict in the Philippines into the spotlight sharper International law. Hostage-taking carried out by MNLF result as a form of rebellion against the Central Government of the Philippines ...
Bariah, C. (Chairul)   +2 more
core  

Development of Aluminum Scandium Alloys for Hydrogen Storage Valves

open access: yesAdvanced Engineering Materials, EarlyView.
Different aluminum alloy series and various aluminum‐scandium alloys with differing Sc and Zr levels are evaluated for use in hydrogen storage valve production. The alloys undergo hardness testing, optical microscopy, and tensile strength analysis, with hardening behavior studied under varying conditions.
Francisco García‐Moreno   +4 more
wiley   +1 more source

Firm Exit and Armed Conflict in Colombia [PDF]

open access: yes
This paper uses two unique panel data sets to study the causal effect that armed conflict has over entrepreneurial activity in Colombia. Using a fixed effect estimation methodology at the plant level and controlling for the possible endogeneity of armed ...
Camacho, Andriana, Rodriguez, Catherine
core  

A geography of illicit crops (coca leaf) and armed conflict in Colombia [PDF]

open access: yes, 2004
Colombia is currently the world’s largest producer of coca leaf and the principal producer of opium poppies in the Americas; the plants are the basic raw materials used to produce cocaine and heroin.
Díaz, Ana María, Sánchez, Fabio
core  

Multimaterial Approach to Improve the Mechanical Properties of a Novel Modified Auxetic Reentrant Honeycomb Structure

open access: yesAdvanced Engineering Materials, EarlyView.
A multimaterial approach is introduced to improve upon auxetic structures by combining two different polymers into the same reentrant honeycomb structure via additive manufacturing. The deformation behavior as well as the resulting Poisson's ratio are thereby improved significantly.
Alexander Engel   +2 more
wiley   +1 more source

Residual Stress States in Microstructurally Graded PBF–LB/M Austenitic Steel Components

open access: yesAdvanced Engineering Materials, EarlyView.
This study examines microstructurally graded 316L rectangular tube profiles fabricated via PBF–LB/M using a dual‐laser system. A 1 kW top‐hat and a 400 W Gaussian laser create distinct grain sizes and crystallographic texture. Mechanical properties are linked to microstructural evolution driven by processing conditions.
Nico Möller   +5 more
wiley   +1 more source

Change in citizenship and social science education in (post)war time

open access: yesJournal of Social Science Education
According to the Global Conflict Tracker (https://www.cfr.org/global-conflict-tracker), there are currently 27 conflicts in the world, which vary in type and status.
Violetta Kopińska, Mehmet Açıkalın
doaj   +1 more source

Rethinking War Powers: Congress, The President, and the United Nations [PDF]

open access: yes, 1993
The division of war powers between Congress and the President has never been free of ambiguity or tension. The Constitution grants Congress the power to declare war, to raise and support armies, to provide and maintain a navy, and to make rules for the ...
Stromseth, Jane E.
core   +1 more source

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