Results 111 to 120 of about 192,376 (270)

A Study of the Aurora of 1859 [PDF]

open access: yes, 1960
The two great auroral displays of August 28-29 and September 1-2, 1859 are studied from a collection of world-wide descriptive observations. Both auroras reached to unusually low latitudes.
Kimball, D. S.
core  

Validación de una escala predictiva del riesgo cardiovascular basado en la evaluación de disfunción endotelial

open access: yesRevista Habanera de Ciencias Médicas
Introducción: Las enfermedades cardiovasculares constituyen la primera causa de muerte en el mundo. El 90 % de ellas derivan de factores de riesgo cardiovascular.
Tania Delia Carbonell Amiot   +3 more
doaj  

First record of the genus Charinus Simon, 1892 from Martinique, Lesser Antilles, with description of a new species (Amblypygi:Charinidae) [PDF]

open access: yes, 2017
The genus CharinusSimon, 1892 is herein recorded for the first time from the Lesser Antillean island of Martinique (a French Overseas Territory), on the basis of two species.
Coulis, Mathieu, Teruel, Rolando
core  

Impact of the Territorial Program"Development of products and health services"

open access: yesMedisan
Introduction: The impact evaluation constitutes a qualitative and quantitative valuation of the effects in a project or program implementation in specific population groups.
Sara Riccis Salas Palacios   +3 more
doaj  

Caracterización de las variables temperatura y precipitación del municipio costero montañoso de Guamá. Aproximaciones sucesivas

open access: yesRevista Cubana de Meteorología
El municipio costero montañoso de Guamá, dada su posición geográfica, presenta una importante fragilidad y vulnerabilidad. El clima desempeña  un papel fundamental en el desarrollo económico social. Esta investigación tuvo como objetivo caracterizar las
Yindra Salmon Cuspinera   +8 more
doaj  

Spartocera batatas (Fabricius) (Hemiptera: Coreidae) : newly established in Florida [PDF]

open access: yes, 2005
Spartocera batatas (Fabricius) was found for the first time in the USA in Homestead, Florida, in 1995. Records from Brazil, British Guiana, Colombia, Dominica, Dominican Republic, Ecuador, Grenada, Jamaica, Martinique, Panama, Peru, Puerto Rico, Saba ...
Brambila, Julieta, Halbert, Susan E.
core  

Comercial Relations Between USA and Cuba in Times of Peace and War,1803-1807 [PDF]

open access: yes
Commercial regulations of the Hispanic monarchy gave great importance to the relations between the metropolis and its colonies. In times of war, Spain was not able to supply her colonies by its own means.
Fernández-de-Pinedo, Nadia
core  

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