bluuebunny/crossref_metadata_2025 huggingface dataset:
A decadência do carnaval na óptica da imprensa Porto-Alegrense em fins do século XIX e início do XX
Authors: Leal Caroline Pereira
Published: January 2018

Ao findar o século XIX e no raiar do vindouro percebe-se na imprensa porto-alegrense um grande descontentamento com o tipo de festa carnavalesca que estava sendo feita na cidade. Este artigo procura demonstrar o formato que os festejos adquiriram nessa transição de século, bem como apontar para as razões que levaram a esse sentimento de insatisfação com o carnaval de Porto Alegre.
Entrevista com Marta Arretche
Authors: Laisner Regina Claudia
Published: January 2018

A Profa. Dra. Marta Teresa da Silva Arretche foi entrevistada por mim em seu gabinete no Departamento de Ciência Política (DCP) da Universidade de São Paulo onde é docente atualmente, em meio a muitos livros e papéis. Tudo o que um bom intelectual adora: uma “bagunça organizada” que envolve muito trabalho! No caso dela, trabalho de anos! Fui recebida com um largo sorriso; nada diferente da maneira com que ela sempre se apresenta aos seus estudantes, demais professores e colegas! Era 02 de dezembro de 2014 e Marta, à época, tinha sido recém aprovada em um concurso de professora titular junto ao DCP. Por isso, a entrevista foi feita em clima de comemoração pela importante conquista desta grande intelectual das Ciências Sociais no Brasil.
Development of Phaleria macrocarpa (Scheff.) Boerl Fruits Using Response Surface Methodology On Phenolic, Flavonoid and Antioxidants Properties
Authors: Mohamed Mahzir Khurul Ain , Abdul Gani Siti Salwa , Mokhtar Nor Fadzillah
Published: January 2018

In this study, the optimal condition for the extraction of antioxidants from the fruit Buah Mahkota Dewa (Phaleria macrocarpa) was determined by using Response Surface Methodology (RSM). The optimization was applied using central composite design (CCD) to investigate the three independent variables, namely extraction temperature (oC), extraction time (minutes) and extraction solvent to-feed ratio (%v/v) on the responses of free radical scavenging activity (DPPH), ferric ion reducing power assay (FRAP), total phenolic content (TPC) and total flavonoid content (TFC).The optimal conditions for the antioxidants extraction were found to be extraction temperature (64oC), extraction time (66 minutes) and solvent to-feed ratio (75 %v/v) with the highest percentage yield of DPPH, FRAP, TPC and TFC were 86.85%, 7.47%, 292.86 mg/g and 3.22 mg/g respectively. Moreover, the data were subjected to response surface methodology (RSM) and the results showed that the polynomial equations for all models were significant, did not show lack of fit, and presented adjusted determination coefficients (R2) above 99%, proving the yield of phenolic, flavonoid and antioxidants activities obtained experimentally were close to the predicted values and the suitability of the model employed in RSM to optimize the extraction conditions. Hence, in this study, the fruit from P.macrocarpa could be considered to have the strong antioxidant ability and can be used in various cosmeceutical or medicinal applications.
Basin Resonance and Seismic Hazard for Jakarta, Indonesia
Authors: Cipta Athanasius , Cummins Phil , Irsyam Masyhur , Hidayati Sri
Published: January 2018

We use earthquake ground motion modelling via Ground Motion Prediction Equations (GMPEs) and numerical simulation of seismic waves to consider the effects of site amplification and basin resonance in Jakarta, the capital city of Indonesia. While spectral accelerations at short periods are sensitive to near-surface conditions (i.e., Vs30), our results suggest that, for basins as deep as Jakarta’s, available GMPEs cannot be relied upon to accurately estimate the effect of basin depth on ground motions at long periods (>1 s). Amplitudes at such long periods are influenced by entrapment of seismic waves in the basin, resulting in longer duration of strong ground motion, and interference between incoming and reflected waves as well as focusing at basin edges may amplify seismic waves. In order to simulate such phenomena in detail, a basin model derived from a previous study is used as a computational domain for deterministic earthquake scenario modeling in a 2-dimensional cross-section. A Mw 9.0 megathrust, a Mw 6.5 crustal thrust and a Mw 7.0 instraslab earthquake are chosen as scenario events that pose credible threats to Jakarta, and the interactions with the basin of seismic waves generated by these events were simulated. The highest PGV amplifications are recorded at sites near the middle of the basin and near its southern edge, with maximum amplifications of PGV in the horizontal component of 200% for the crustal, 600% for the megathrust and 335% for the deep intraslab earthquake scenario, respectively. We find that the levels of ground motion response spectral acceleration fall below those of the 2012 Indonesian building Codes's design response spectrum for short periods (< 1 s), but closely approach or may even exceed these levels for longer periods.