http://chineseinput.net/에서 pinyin(병음)방식으로 중국어를 변환할 수 있습니다.
변환된 중국어를 복사하여 사용하시면 됩니다.
Rafael Viegas Campos,Jaime Araujo Cobuci,Elisandra Lurdes Kern,Claudio Napolis Costa,Concepta Margaret McManus Pimentel 아세아·태평양축산학회 2015 Animal Bioscience Vol.28 No.4
The objective of this study was to estimate genetic and phenotypic parameters for linear type traits, as well as milk yield (MY), fat yield (FY) and protein yield (PY) in 18,831 Holstein cows reared in 495 herds in Brazil. Restricted maximum likelihood with a bivariate model was used for estimation genetic parameters, including fixed effects of herd-year of classification, period of classification, classifier and stage of lactation for linear type traits and herd-year of calving, season of calving and lactation order effects for production traits. The age of cow at calving was fitted as a covariate (with linear and quadratic terms), common to both models. Heritability estimates varied from 0.09 to 0.38 for linear type traits and from 0.17 to 0.24 for production traits, indicating sufficient genetic variability to achieve genetic gain through selection. In general, estimates of genetic correlations between type and production traits were low, except for udder texture and angularity that showed positive genetic correlations (>0.29) with MY, FY, and PY. Udder depth had the highest negative genetic correlation (–0.30) with production traits. Selection for final score, commonly used by farmers as a practical selection tool to improve type traits, does not lead to significant improvements in production traits, thus the use of selection indices that consider both sets of traits (production and type) seems to be the most adequate to carry out genetic selection of animals in the Brazilian herd.
Fiscal Consolidations: A Theoretical Essay with a Heterogeneous-Agent Model
Miguel Viegas,Ana Paula Ribeiro 한국국제경제학회 2017 International Economic Journal Vol.31 No.2
Since the emergence of the financial crisis, most of the EU countries have promoted impressive public interventions to support financial institutions, contributing to a significant rise in general government gross debt-to-GDP ratios. As such, the issue of how to best pursue a fiscal consolidation will become crucial regarding the fiscal policy stance. This paper aims at characterizing four different stylized debt consolidation strategies extensively identified in the literature (one pure revenue-based and three expenditure-based) in order to assess welfare affects and, in particular, the inequality effects involved. For this purpose, we built a general equilibrium heterogeneous-agent model capable of exploring the relationship between fiscal policy and the endogenous cross-section distribution of income and wealth. Moreover, we decompose the impacts on welfare criteria in order to distinguish pure efficiency effects from insurance and inequality effects. According to our simulations, the adjustment based on the reduction of unproductive expenditures came out to be the most welfare-enhancing compared to those based on tax increases or on social transfer reductions.
Campos, Rafael Viegas,Cobuci, Jaime Araujo,Kern, Elisandra Lurdes,Costa, Claudio Napolis,McManus, Concepta Margaret Asian Australasian Association of Animal Productio 2015 Animal Bioscience Vol.28 No.4
The objective of this study was to estimate genetic and phenotypic parameters for linear type traits, as well as milk yield (MY), fat yield (FY) and protein yield (PY) in 18,831 Holstein cows reared in 495 herds in Brazil. Restricted maximum likelihood with a bivariate model was used for estimation genetic parameters, including fixed effects of herd-year of classification, period of classification, classifier and stage of lactation for linear type traits and herd-year of calving, season of calving and lactation order effects for production traits. The age of cow at calving was fitted as a covariate (with linear and quadratic terms), common to both models. Heritability estimates varied from 0.09 to 0.38 for linear type traits and from 0.17 to 0.24 for production traits, indicating sufficient genetic variability to achieve genetic gain through selection. In general, estimates of genetic correlations between type and production traits were low, except for udder texture and angularity that showed positive genetic correlations (>0.29) with MY, FY, and PY. Udder depth had the highest negative genetic correlation (-0.30) with production traits. Selection for final score, commonly used by farmers as a practical selection tool to improve type traits, does not lead to significant improvements in production traits, thus the use of selection indices that consider both sets of traits (production and type) seems to be the most adequate to carry out genetic selection of animals in the Brazilian herd.
Portuguese traditional sausages: different types, nutritional composition, and novel trends
Cláudia Marcos,Cláudia Viegas,André M. de Almeida,Maria Manuela Guerra 한국식품연구원 2016 Journal of Ethnic Foods Vol.3 No.1
Traditional sausages—smoked, fermented or dried—are meat products that are part of the traditional daily diet in rural Portugal, and also highly valued in major cities with an increasing demand. These ethnic meat products are manufactured mainly by small-scale industries or artisanal producers according to and/or inspired by traditional processes. They are present in a wide variety of types, many recognized for their quality (38 certified products). Presently, cure technologies used are important for the potential they represent in transformation and diversification. Additionally, they add flavors and colors to meat that are much appreciated, surpassing meat preservation proposes. A review on the types and manufacturing technological aspects associated to Portuguese traditional sausages (PTS) is provided in this article. Additionally, nutritional composition of the products is presented. Future developments foreseen in the field, in the light of current knowledge and market trends, are finally addressed.
Explaining consumer use of renewable energy: determinants and gender and age moderator effects
Helena Martins Gonc alves,Adriana Viegas 한국마케팅과학회 2015 마케팅과학연구 Vol.25 No.3
There is scarce research in the domain of sustainable marketing and renewable energy (RE), despite the importance of this area. In this study, considering the theory of reasoned action (TRA), knowledge about RE (RE_KNOW), attitude toward RE (RE_ATT), willingness to pay more for RE (RE_WPM) and predisposition to ecological consumption behavior (ECCB) were analysed as determinants of the intention to use RE (RE_INT). The results of an online survey confirm all the determinants except RE_WPM. ECCB is the stronger determinant of RE_INT, followed by RE_ATT. A beliefs – attitude – intention link was established which supports the TRA. Furthermore, the moderator effects of sex and age were evaluated. For women and men, the proposed relations do not have significant differences. However, for the younger group, RE_ATT is the only significant determinant of RE_INT, whereas for the older, ECCB and RE_WPM are the significant ones.
( Margarida Saramago ),( Susana Domingues ),( Sandra Cristina Viegas ),( Cecilia Maria Arraiano ) 한국미생물 · 생명공학회 2014 Journal of microbiology and biotechnology Vol.24 No.1
Biofilm formation and antibiotic resistance are important determinants for bacterial pathogenicity. Ribonucleases control RNA degradation and there is increasing evidence that they have an important role in virulence mechanisms. In this report, we show that ribonucleases affect susceptibility against ribosome-targeting antibiotics and biofilm formation in Salmonella.
Numerical and experimental simulation of the wind field in the EXPO '98 area
Ferreira, A.D.,Sousa, A.C.M.,Viegas, D.X. Techno-Press 1998 Wind and Structures, An International Journal (WAS Vol.1 No.4
A numerical and experimental study was performed for the wind flow field in one area, comprising a group of several pavilions separated by passageways, of the EXPO '98 - a World Exposition (Lisbon, Portugal). The focus of this study is the characterization of the flow field to assess pedestrian comfort. The predictions were obtained employing the Reynolds averaged Navier-Stokes equations with the turbulence effects dealt with the ${\kappa}-{\varepsilon}$ RNG model. The discretization of the differential equations was accomplished with the control volume formulation in a Cartesian coordinate system, and an advanced segregated procedure was used to achieve the link between continuity and momentum equations. The evaluation of the overall numerical model was performed by comparing its predictions against experimental data for a square cylinder placed in a channel. The predicted values, for the practical geometry studied, are in a good agreement with the experimental data, showing the performance and the reliability of the ${\kappa}-{\varepsilon}$ RNG model and suggesting that the numerical simulation is a reliable methodology to provide the required information.
RNA Interference: a Promising Therapy for Gastric Cancer
Felipe, Aledson Vitor,Oliveira, Juliana de,Chang, Paula Yun Joo,Moraes, Andrea Aparecida de Fatima Souza,Silva, Tiago Donizetti da,Tucci-Viegas, Vanina Monique,Forones, Nora Manoukian Asian Pacific Journal of Cancer Prevention 2014 Asian Pacific journal of cancer prevention Vol.15 No.14
Gastric cancer (GC) remains a virtually incurable disease when metastatic and requires early screening tools for detection of early tumor stages. Therefore, finding effective strategies for prevention or recurrence of GC has become a major overall initiative. RNA-interference (RNAi) is an innovative technique that can significantly regulate the expression of oncogenes involved in gastric carcinogenesis, thus constituting a promising epigenetic approach to GC therapy. This review presents recent advances concerning the promising biomolecular mechanism of RNAi for GC treatment.