http://chineseinput.net/에서 pinyin(병음)방식으로 중국어를 변환할 수 있습니다.
변환된 중국어를 복사하여 사용하시면 됩니다.
Carmen N. M. Paz,Jose L. D. Alves,Nelson F. F. Ebecken 한국계산역학회 2005 Computers and Concrete, An International Journal Vol.2 No.5
This work presents an assessment of the computational performance of a vector-parallel implementation of probabilistic model for concrete cracking in 3D. This paper shows the continuing efforts towards code optimization as reported in earlier works Paz, et al. (2002a,b and 2003). The probabilistic crack approach is based on the direct Monte Carlo method. Cracking is accounted by means of 3D interface elements. This approach considers that all nonlinearities are restricted to interface elements modeling cracks. The heterogeneity governs the overall cracking behavior and related size effects on concrete fracture. Computational kernels in the implementation are the inexact Newton iterative driver to solve the non-linear problem and a preconditioned conjugate gradient (PCG) driver to solve linearized equations, using an element by element (EBE) strategy to compute matrix-vector products. In particular the paper analyzes code behavior using OpenMP directives in parallel vector processors (PVP), such as the CRAY SV1 and CRAY T94. The impact of the memory architecture on code performance, and also some strategies devised to circumvent this issue are addressed by numerical experiment.
Paz-Campos, Marco Antonio De,Chavez-Pina, Aracely Evangelina,Ortiz, Mario I,Castaneda-Hernandez, Gilberto The Korean Pain Society 2012 The Korean Journal of Pain Vol.25 No.4
Background: It has been reported that curcumin, the main active compound of Curcuma longa, also known as turmeric, exhibits antinociceptive properties. The aim of this study was to examine the participation of ATP-sensitive potassium channels ($K_{ATP}$ channels) and, in particular, that of the L-arginine-nitric oxide-cyclic GMP-$K_{ATP}$ channel pathway, in the antinociceptive effect of curcumin. Methods: Pain was induced by the intraplantar injection of 1% formalin in the right hind paw of Wistar rats. Formalin-induced flinching behavior was interpreted as an expression of nociception. The antinociceptive effect of oral curcumin was explored in the presence and absence of local pretreatment with L-NAME, an inhibitor of nitric oxide synthase, ODQ, an inhibitor of soluble guanylyl cyclase, and glibenclamide, a blocker of $K_{ATP}$ channels. Results: Oral curcumin produced a dose-dependent antinociceptive effect in the 1% formalin test. Curcumin-induced antinociception was not altered by local L-NAME or ODQ, but was significantly impaired by glibenclamide. Conclusions: Our results confirm that curcumin is an effective antinociceptive agent. Curcumin-induced antinociception appears to involve the participation of $K_{ATP}$ channels at the peripheral level, as local injection of glibenclamide prevented its effect. Activation of $K_{ATP}$ channels, however, does not occur by activation of the L-arginine-nitric oxide-cGMP-$K_{ATP}$ channel pathway.
Paz Jessica Emanuella Rocha,Costa Priscila Oliveira,Albert Alexandre Costa Souza,Oliveira Ingrid Macedo de,Falcão Lucas Fernandes,Falcão Carlos Alberto Monteiro,Ferraz Maria Ângela Area Leão,Pinto Luc 대한치과보존학회 2021 Restorative Dentistry & Endodontics Vol.46 No.4
Objectives: This study aimed to evaluate the effects on bone repair of different concentrations of mineral trioxide aggregate (MTA) added to AH Plus. Materials and Methods: Bone tissue reactions were evaluated in 30 rats (Rattus norvegicus) after 7 and 30 days. In the AH + MTA10, AH + MTA20, and AH + MTA30 groups, defects in the tibiae were filled with AH Plus with MTA in proportions of 10%, 20% and 30%, respectively; in the MTA-FILL group, MTA Fillapex was used; and in the control group, no sealer was used. The samples were histologically analyzed to assess bone union and maturation. The Kruskal-Wallis and Mann-Whitney tests were performed for multiple pairwise comparisons (p ≤ 0.05). Results: At the 7-day time point, AH + MTA10 was superior to MTA-FILL with respect to bone union, and AH + MTA20 was superior to MTA-FILL with respect to bone maturity (p < 0.05). At the 30-day time point, both the AH + MTA10 and AH + MTA20 experimental sealers were superior not only to MTA-FILL, but also to AH + MTA30 with respect to both parameters (p < 0.05). The results of the AH + MTA10 and AH + MTA20 groups were superior to those of the control group for both parameters and experimental time points (p < 0.05). Conclusions: The results suggest the potential benefit of using a combination of these materials in situations requiring bone repair.
Francisca Paz Gongora Astete,김보연 한국디지털정책학회 2018 디지털융복합연구 Vol.16 No.7
The current study started from the constant internal fight women usually have due to the portrayal of women in advertisement in different socio-cultural backgrounds, a comparison between Latin America and South Korea was held to find the different approaches. And also test the effects of an overwhelming movement that is looking to change history and change the perception of images of constructed beauty and unattainable physical standards called The Body Positivity Movement, using the examples of prominent brands like Dove and Victoria’s Secret’s advertisements and the AIDA model as the instrument. Male and female in their 30’s from South Korea and Latin America have been interviewed to show the differences of opinions.
Rising China’s ‘Offensive’ in Latin America and the U.S. Reaction
Gonzalo Paz 경남대학교 극동문제연구소 2006 ASIAN PERSPECTIVE Vol.30 No.4
The year 2004 will be remembered as one in which an increasingly confident China jumped into Latin America, a geopolitical and geoeconomic space always considered by the United States as its "backyard.” In 2005 and 2006 that policy continued and was sustained. The central questions addressed in this article are: Why is China executing an economic and diplomatic offensive in Latin America? Is a rising China challenging U.S. hegemony over the Western Hemisphere? And, how has the United States responded to these actions? The main argument advanced here is that there is an economic rationale behind China’s new foreign policy toward Latin America, and that the theses about an ideological or a strategic rationale must be rejected. China’s goal is to secure the provision of agriculture products, minerals, and especially oil. China is not trying to challenge American hegemony in Latin America, but it is the first Asian country to push enough to concern American analysts. The article will provide empirical evidence of the new level and quality of China-Latin America relations.