Results 11 to 20 of about 103 (80)

Migración, raza y etnia al interior de la periferia (O los haitianos en la República Dominicana) : perfil cuantitativo y analítico de los dominicanos de ascendencia haitiana

open access: yesCiencia y Sociedad, 1995
Este texto evalúa la exhaustiva caracterización socioeconómica y cultural de los descendientes de haitianas y/o haitianos nacidos en la República Dominicana.
Carlos Dore Cabral
doaj   +1 more source

Performance evaluation of clustering techniques for image segmentation [PDF]

open access: yesComputer Science Journal of Moldova, 2011
In this paper, we tackle the performance evaluation of two clustering algorithms: EFC and AIC-based. Both algorithms face the cluster validation problem, in which they need to estimate the number of components. While EFC algorithm is a direct method, the
Elmehdi Aitnouri, Mohammed Ouali
doaj  

Close-range photogrammetry of the Cleveland-Lloyd Dinosaur Quarry, Upper Jurassic Morrison Formation, Emery County, Utah

open access: yes, 2018
Bone distribution data are essential for taphonomic assessments of bonebeds. The Cleveland-Lloyd Dinosaur Quarry (CLDQ), an Allosaurus-dominated bonebed within the Upper Jurassic Morrison Formation, has been researched for nearly 100 years, but published
Clawson, Steven   +4 more
core   +1 more source

Selection of lactic acid bacteria producing bacteriocin

open access: yes, 2019
Lactic acid bacteria were isolated from 10 samples of the traditionally fermented foods (5 samples of Vietnamese fermented pork roll and 5 samples of the salted field cabbage) and 5 samples of fresh cow milks collected from households in Vietnam.
Ha, Thi Quyen, Hoa, Thi Minh Tu
core   +1 more source

Isolation and characterization of luteolin and ferulic acid from Plumbago auriculata cultivated in Iraq

open access: yesIraqi Journal of Pharmaceutical Sciences
Plumbago auriculata is a perennial plant belong to Plumbaginaceae family. It is an endemic genus of 18 species in South Africa. All plant parts have many phytochemical compounds appearing several pharmacological activities.
Massara Nazar Ahmed   +1 more
doaj   +1 more source

Large-eddy simulation of dispersion: comparison between elevated source and ground level source

open access: yes, 2004
Large-eddy simulation (LES) is used to calculate the concentration fluctuations of passive plumes from an elevated source (ES) and a ground-level source (GLS) in a turbulent boundary layer over a rough wall.
Robins, AG   +7 more
core   +1 more source

Predicción de la velocidad media del flujo en ríos de montaña [PDF]

open access: yes, 2008
En ríos constituidos por material grueso heterométrico y flujo de baja sumersión relativa resulta difícil definir y medir variables relacionadas con la geometría de la sección transversal del cauce.
Barragan Fernandez, Javier D.   +4 more
core   +1 more source

Dundee Discussion Papers in Economics 189:Still hungry for success? Targeting the poor and the case of free school meals [PDF]

open access: yes, 2006
This paper assesses the extent to which opportunities exist for an extension of the entitlement to free school meals, in order to improve the targeting of free school meals to children from the poorest of households, and the extent to which changes in ...
Seaman, Paul T.   +1 more
core  

Exploring the Bullying Construct: An Evidence Based Approach [PDF]

open access: yes, 2004
Negative interpersonal behaviour at work has been researched as ‘bullying’ in Europe, and explored under wider headings in the USA (e.g. ‘counter-productive’, ‘antisocial’ or ‘deviant’). The first aim of this paper is progress the concept of bullying by
Dick, Gavin P.M., Rayner, Charlotte
core  

Lateral buckling of steel I-section bridge girders braced by U-frames [PDF]

open access: yes, 1992
Tbe study consists of an experimental and analytical investigation into the lateral buckling behaviour of steel I-section girders braced by continuous or discrete U-frames.
Yuen, Rose Mui
core  

Home - About - Disclaimer - Privacy