http://chineseinput.net/에서 pinyin(병음)방식으로 중국어를 변환할 수 있습니다.
변환된 중국어를 복사하여 사용하시면 됩니다.
O uso de narrativas no ensino do pretérito imperfeito em português ―uma proposta de atividade
( Simone Paula Kunrath ) 한국포르투갈-브라질학회 2006 포르투갈-브라질 연구 Vol.3 No.1
This article presents a proposal for a classroom activity with the objective of clarifying to learners the different uses of the past imperfect (pretérito imperfeito), assisting, therefore, the work of teachers of Portuguese as a second language. To develop this activity, I have utilized narrative constructions, basing these on the results obtained from a previous study (Kunrath, 2002), in which the process of acquisition of the past imperfect (pretérito imperfeito) in oral narratives with native German speakers learning Portuguese as a second language was investigated. In this study, using the hypothesis of primacy of aspect and of the structure of narrative texts, it has been proved that the past imperfect (pretérito imperfeito) is the predominant verb tense in the background. Besides this, the study has shown that the acquisition of the past imperfect (pretérito imperfeito) occurs slower than the past perfect (pretérito perfeito) and that the emerging order is “state verbs → activity verbs → accomplishment verbs → achievement verbs”.
The Role of Titanium Particles and Ions in the Pathogenesis of Peri-Implantitis
Farah Asa'ad,Peter Thomsen,Marcel F. Kunrath 대한골대사학회 2022 대한골대사학회지 Vol.29 No.3
Titanium (Ti) particles and ions have been investigated in recent years as important fac- tors in the pathogenesis of peri-implantitis. However, their role in the pathogenesis is yet to be fully understood. A review of pertinent literature was performed in various da- tabases to determine the current position of Ti particles and ions role in the pathogene- sis of peri-implantitis. There are several in vitro, preclinical and clinical published studies that have addressed the role of Ti particles and ions in the pathogenesis of peri-implan- titis. These studies explored the effect of Ti particles and ions in the pathogenesis of peri- implantitis with respect to foreign body reaction, cellular response, epigenetic mecha- nisms, namely DNA methylation, and the oral microbiome. Studies have shown that the release of Ti particles/ions during implant insertion, early healing stages, late healing stages, and treatments during peri-implantitis might contribute to peri-implantitis through different mechanisms, such as foreign body reaction, cellular response, DNA methyla- tion, and shaping the oral microbiome by increasing dysbiosis. However, further studies are needed to elucidate the complex interactions between all these mechanisms and Ti particles/ions in the pathogenesis and progression of peri-implantitis.