The waste from fruit and vegetables and the discharge of domestic and industrial wastewaters in an unacceptable way cause serious problems for the majority of cities in Brazil and the rest of the world. The residues from fruit and vegetables and domestic and industrial wastewater could be treated jointly by the process of anaerobic digestion resulting in the production of energy and a reduction in negative envi...
This study evaluated using the Schlieren effect in FIA systems as a new strategy to determine the amounts of sodium chloride, potassium chloride and glucose, each respectively in intravenous drugs. The proposed methodology was based on the difference between the refractive indices of sample zones and the carrier stream. With this perspective, photometric detection was used based on an LED and a phototransistor ...
We developed in this study the total synthesis of new potential ligands and / or chiral organocatalysts to be initially used in the Morita- Baylis-Hillman reaction and / or in other enantioselective reactions. The preparation of four new chiral unpublished compounds (31, 32, 33, 34) derivatives of pyridine and of R-(+)-camphor (21a) were performed. The chiral aldol adducts (31 and 32) were obtained by the react...
The scientific community has great interest in synthetic heterocyclic compounds because of the possibilities that these compounds contain several different biological properties. The structural changes in the imidazolidine ring may modify its chemical and physical properties, and produce biological effects with a variety of useful applications. The aim of this study was to obtain a series of hydantoins with bio...
SrTiO3 is a compound with perovskite structure usually found with cubic phase. This works reports the synthesis of powders and thin films of the undoped and Nd3+ doped SrTiO3, replacing Ti4+ or Sr2+ with the stoichiometries SrTi1-xNdxO3 (x = 0.00; 0.01; 0.02; 0.04) and Sr0.99Nd0.01TiO3. The powders were synthesized by the polymeric precursor method. The thin films were prepared by chemical solution deposition (...
The social politics, throughout the years, veem in accordance with if modifying the adopted economic policies, being these politics mechanisms of reproduction of the work force. In this aspect, the intervention of the State goes in accordance with to present of differentiated form the conjuncture and the correlation of forces between the classrooms, form that, the more organized, more fortified they will become...
Sucking on a slice of the surplus labor in the form of public funds, which provides the Modern State in his hands for administration of the "social evils" through social assistance is a constitutive feature in the capital system. But with the onset of another crisis in the capital in mid-1970 and its bearing to the days progress, the social assistance has been recruited as the policy of the Brazilian social pro...
To present research he/she has as objective central two important points: the first consists of analyzing the services rendered by ONGs that you/they act children and adolescents from João Pessoa PB close to. The other, in discovering how those services are financed. The sample was based in 41 ONGs. For collection of data we used to the semi-structured interview, containing plausible indicators as our study obj...
The Brazilian population has undergone significant demographic changes. In a capitalist society, which privileges the work to maintain socialization, if they stay out of the productive world people end up losing their references, consequently, their identity, and feel totally excluded, which creates the need for changes in social policies to promote and develop strategies for the elderly are encouraged to pursu...
This dissertation talks about the practical experience with Obligatory Supervised Practice from the Social Service course at UFPB and its implications for the project Projeto Ético-Político do Serviço Social Brasileiro . Throughout the historical dialectical method it was able to go beyond the immediacy plan and understand, through experiencing, much more than the necessary parameters of this discipline. The su...