Recently added articles from Interciencia:
Impact and influence/Impacto e influencia/Impacto e influencia.(EDITORIAL)(Editorial)
Jan 01, 2008; ... In Latin America it is very difficult, if not impossible, to reach a quantitative determination of the importance or the reach of the diffusion of scientific journals. The existence in the so-called impact factor used by the Science Citation Index (SCI) produced by the Institute for ...
A comparative study of the influence of leadership styles and congruence of values on the effectiveness of public and private institutions/Estudo comparativo de influencia do estilo de lideranca e congruencia de valores na eficacia de empresas privadas e instituicoes publicas/Estudio comparativo de la influencia del estilo de liderazgo y la congruencia de valores en la eficacia de empresas privadas e instituciones publicas.
Jan 01, 2008; ... SUMMARY This work pretends to find the best practices in public and private management and to show how leadership influences the effectiveness in different types of organizations. A sample of 64 managers of public institutions and 119 managers of private enterprises in Northern ...
Non-isothemic modeling of pesticides in aqueous phase on activated carbon at equilibrium/Modelado no isotermico al equilibrio de plaguicidas en fase acuosa sobre carbon activado/Modelagem nao isotermica ao equilibrio de praguicidas na fase aquoasa sobre carvao ativado.
Jan 01, 2008; ... SUMMARY The modeling of the non isothermic adsorption of pesticides in aqueous solution on activated carbon and the analysis of parameters in the selected models was carried out using three activated carbons, one produced in Venezuela (V-100) and two widely used in Europe ...
Mixtures with clotting potential for the treatment of leachates of a sanitary landfill/Mezclas con potencial coagulante para tratamiento de lixiviados de un relleno sanitario/Misturas com potencial coagulante para tratamento de lixiviados de um aterro sanitario.
Jan 01, 2008; ... SUMMARY In the handling of solid wastes an alternative is the sanitary landfill site, which is a problem since the generated leachate represents a water and soil pollution risk. The coagulation-floculation potential of mixtures with variable proportions of banana starch, ...
Preliminary estimate air pollution reduction by urban trees in Mexico City/Estimacion preliminar de la descontaminacion atmosferica por el arbolado urbano de la Ciudad de Mexico/Estimacao preliminar da descontaminacao atmosferica pela arborizacao urbana da cidade do Mexico.
Jan 01, 2008; ... SUMMARY Air pollution levels in Mexico City are exceedingly high throughout the year. Since urban trees have a role in removing air pollution, this study used tree cover and structure estimates as well as actual meteorological and pollution concentration data as input in a ...
Banana fiber craftwork in the perspective of multifunctionality in quilombola communities/Artesania con fibra de banano en la perspectiva de la multifuncionalidad en communidades quilombolas/Artesania con fibra de banano em la perspectiva de la multifuncionalidad em comunidades quilombolas.
Jan 01, 2008; ... SUMMARY This study pursued an analysis of a modality of craftwork activity developed as an alternative for occupation and income using banana crop wastes. It is the banana fiber craftwork. The experience was developed in quilombola communities in the region of Vale do Ribeira, ...
Disribution patterns of species of the Meliponini (hymenoptera: apoidea: apidae) tribe in Mexico/Patrones de distribucion de las especies de la tribu Meliponini (hymenoptera: apoidea: apidae) en Mexico/Padroes de distribuicao das especies da tribu Meliponini (hymenoptera: apoidea: apidae) no Mexico.(REPORTS/COMUNICIONES/COMUNICACOES)
Jan 01, 2008; ... SUMMARY Based on the comparison of 43 individual tracks, distributional patterns of Meliponini in Mexico were analyzed by panbiogeographic analysis. Four generalized tracks and thirteen nodes were found. Three generalized tracks forma Neotropical component that runs along the ...
Wood anatomy and its relation to plant size and latitude in Buddleja L. (Buddlejaceae)/Anatomia de la madera de Buddleja L. (Buddlejaceae) y su relacion con el tamaño de la planta y la latitud/Anatomia da madeira de Buddleja L. (Buddlejaceae) e sua relacao com o tamanho da planta e a latitude.(REPORTS/COMUNICIONES/COMUNICACOES)
Jan 01, 2008; ... SUMMARY Wood anatomy of the genus Buddleja was studied to gain insight about its relationship with habit and latitude. Habit was positively associated with most characteristics, showing the highest correlation coefficients with vessel element length and fibre length. Four ...
Stigma receptivity and in vitro citrus pollen grains germination protocol adjustment/Receptividad del estigma y ajuste del protocolo para la germinacion in vitro de granos del polen en citricos/Receptividade do estigma e ajuste de protocolo para germinacao in vitro de graos de polen de citros.(REPORTS/COMUNICIONES/COMUNICACOES)
Jan 01, 2008; ... SUMMARY Data about the viability and germination of pollen grains are essential for the success of on-field controlled hybridizing. The purpose of this work was to study the stigmas receptivity period of citrus flowers under different stages and adjust the protocol to the in ...
Structural model of the terciary cretacic sequences in block "B" of the southern area of Lake Maracaibo, Venezuela/Modelo estructural de las secuencias cretacico-terciarias a nivel del bloque "B" del area Sur del Lago de Maracaibo, Venezuela//Modelo estructural das sequencias cretacico-terciarias no bloco "B" da area Sul do Lago de Maracaibo, Venezuela.(REPORTS/COMUNICIONES/COMUNICACOES)
Jan 01, 2008; ... SUMMARY The aim of this study was to characterize the main structural style (geometry, structural trend and tectonic evolution) that involves structures of cretaceous and tertiary rocks in the "B" block, southern area of Lake Maracaibo, Zulia state. The methodology was founded ...
Proximal analysis, and microbiological and sensory evaluation of a cookie made of cassava flour and bovine plasma/Composicion proximal, evaluacion microbiologica y sensorial de una galleta formulada a base de harina de yuca y plasma de bovino/Composicao proximal, avaliacao microbiologica e sensorial de u biscoito formulado a base de farinha de mandioca e plasma de bovino.
Jan 01, 2008; ... SUMMARY Cassava is a tuber produced in large amounts in Venezuela, and given its high carbohydrate content it represents an important source of energy that can be complemented with proteins of high nutritive value, constituting a good option for the formulation of new foods ....
Reactivation of elite Pinus radiata D. Don. plant tissue by in vitro micrografting/Reactivacion de material vegetal elite de Pinus radita D. Don. Mediante microinjerto in vitro/Reativacao de material vegetal elite de Pinus radiata D. Don. Mediante microenxerto in vitro.(REPORTS/COMUNICIONES/COMUNICACOES)
Jan 01, 2008; ... SUMMARY The effect of two asepsis protocols, scion type (apical shoot tips and brachyblast), gathering season (autumn and summer) and insertion position of the scion in the ortet (apical and basal) upon the micrograft establishment and consolidation of Pinus radiata D. Don. was ...
Bio-fuels and human nutrition/Los bio-combustibles y la alimentacion humana/Os biocombustiveis e a alimentacao humana.(ESSAYS/ENSAYOS/ENSAIOS)
Jan 01, 2008; ... SUMMARY The exhaustion of the world fossil hydrocarbon reserves predicted for the present century will make it necessary to implement three emergent alternatives: 1) the use of bio-fuels, 2) solar energy through photovoltaic cells, and 3) nuclear energy and others. Although the ...
Extinctions in the sea: myths anf realities/Extinciones en el mar: mitos y realidades/Extincoes no mar: mitos e realidades.(ESSAYS/ENSAYOS/ENSAIOS)
Jan 01, 2008; ... SUMMARY It is a fact that humans have caused several extinctions, particularly in the terrestrial realm. In the marine realm, however, assessing the complete disappearance of a species from the face of the earth beyond any reasonable doubt, is a formidable task. In this ...
Forthcoming events/Reuniones venideras.(Calendario)
Jan 01, 2008 ... <Pre> REUNIONES VENIDERAS/FORTHCOMING EVENTS/PROXIMAS REUNIOES REUNION/EVENT LUGAR/LOCATION FECHA/DATESITIO/CONTACTO III CONFERENCIA DELa Habana, 24 al 28 leivajbn@ceniai. LOS JARDINES Cuba marzo, 2008 inf.cu; hajb@ BOTANICOS DEL ...
The culture of scientific publication (V)/La cultura de la publicacion cientifica (V)/A cultura da publicacao cientifica (V).(Editorial)(Editorial)
Dec 01, 2007; ... It is necessary to understand that in relatively small scientific communities with comparatively limited resources, scientific and technological production of quality will not be abundant; nevertheless, it is must be recognized that it exists. There is also the need to comprehend that ...
The importance of controversies in the epistemic progress of ecology/La importancia de las controversias en el progreso epistemico de la ecologia/A importancia das controversias no progresso epistemico da ecologia.
Dec 01, 2007; ... SUMMARY Ecology, as a scientific discipline, has scarcely been studied relative to other fields of science. In general its epistemic changes were described as a cumulative trajectory of scientific progress, such as the one proposed by classical philosophers of science, or as a ...
Programmed cell death in plants: it is similar to "apoptosis" in animals?/La muerte celular programada en las plantas: ?es semejante a la "apoptosis" en animales?/A morte celular programada nas plantas: e semelhante a "apostose" em animais?
Dec 01, 2007; ... SUMMARY Programmed cell death (PCD) is essential to maintain tissue homeostasis in many forms of life. As in animals, in plants PCD is the mechanism whereby a series of physiological processes, such as germination, differentiation, growth, reproduction and seed development, are ...
Knowledge management and organizational performance: an empirical study in public institutions/Gestion del conocimiento y eficacia de las organizaciones: un estudio empirico en instituciones publicas/Gestao do conhecimento e eficacia das organizaciones: um estudo empirico em instituicoes publicas.
Dec 01, 2007; ... SUMMARY With the purpose of studying the relationship between knowledge management, strategy design and implementation, and performance, a sample of 56 top and medium managers of public organizations from north region of Chile was analyzed. The results show that to create and to ...
State-of-the-art in the use of benchmarks and indicators in the combat of desertification and drought in Latin America and the Caribbean/estado del arte en el uso de indicadores y puntos de referencia en la lucha contra la desertificacion y la Sequia en America Latina y el Caribe/Estado da arte no uso de indicadores e pontos de referencia na luta contra a desertificacao e a seca na America Latina e o Caribe.
Dec 01, 2007; ... SUMMARY The results achieved in the framework of two international research projects (MEDRAP and AIDCCD) directed to know the state of the art in the use of desertification benchmarks and indicators (B&I) in the five Annexes recognized by the international Convention to Combat ...