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The effect of ‘illusory vowels’ in Spanish-speaking second language learners of English
( Maria Teresa Martinez Garcia ) 한국외국어대학교 언어연구소 2018 언어와 언어학 Vol.0 No.79
This paper shows that second-language (L2) spoken-word recognition is greatly influenced by differences between the native language (L1) and the second language (L2), possibly attributed to either L1-L2 syllable-structure or phonotactic differences. Spanish-speaking English learners (experimental group) and native English listeners (control group) completed an AXB task and a word-monitoring task in which they monitored /(ǝ)s+Consonant/-initial words in English. The results show a clear effect of L1 phonotactics, as the native speakers of English outperformed the Spanish group. These results indicate that L1-L2 syllable-structure differences or L1 phonotactics have pervasive consequences for spoken-word recognition, and effect that will be further explored in the discussion section of this paper.
Optimal Dispatch Model for Demand Response Aggregators
Victor J. Gutierrez-Martinez,Enrique A. Zamora-Cardenas,Alejandro Pizano-Martinez,Jose M. Lozano-Garcia,Miguel A. Gomez-Martinez 대한전기학회 2019 Journal of Electrical Engineering & Technology Vol.14 No.1
This paper proposes a new three-phase optimal dispatch model for multiple Demand Response (DR) aggregators. By means of the unbalanced distribution system modeling, DR involvement of single- and three-phase consumers is considered avoiding aggravating the asymmetric balancing between phases, as opposed to traditional positive-sequence DR approaches. Furthermore, this proposal can consider several DR service providers by means of the explicit inclusion of their characteristics, in the form of cost functions and capacity, in an optimal dispatch model for DR support at the distribution system level. Hence, this proposal helps to eliminate any possible uncertainty about the provision of DR services by improving the traditional hierarchical scheme adopted based on prices issued by the Independent System Operator (ISO). The model is implemented and solved combining the two state-of-the-art computational tools, Matlab® and OpenDSS. The former is used to solve the optimization problem, whereas the latter is used to perform numerical simulations of three-phase unbalanced power flow; both tools allow a straightforward model implementation resulting in a tool easily modified and updated. The effectiveness of the proposed approach is numerically demonstrated using the IEEE 13- and 123-node test feeders, in which undesirable operating scenarios are corrected by the implementation of the optimal dispatch of DR resources in very short computational times. Based on the results, it is shown how the ISO is capable to request DR considering several aggregators competing at the distribution system level. Finally, the loss reduction has been included in the objective function, showing that the proposal optimally dispatches the DR aggregators to conveniently minimize the ISO’s operational costs.
Evaluation of Limestone -Based Remediation Technique in Sediments Affected by Mining Activities
Carmen Perez-Sirvent,M. Jose Martinez-Sanchez,M.luz Garcia-Lorenzo,Eva Gonzalez,Salvadora Martinez,Victor Perez,Lucia Martinez,Jose Molina,Carmen Hernandez,Jaume Bech,Manuel Hernandez-Cordoba 한국토양비료학회 2014 한국토양비료학회 학술발표회 초록집 Vol.2014 No.6
( Esther Martinez-lombardia ),( Linsey Lapeire ),( Vincent Maurice ),( Iris De Graeve ),( Lorena Klein ),( Philippe Marcus ),( Kim Verbeken ),( Leo Kestens ),( Yaiza Gonzalez-garcia ),( Arjan Mol ),( 한국부식방식학회(구 한국부식학회) 2017 Corrosion Science and Technology Vol.16 No.1
When aiming for an increased and more sustainable use of metals a thorough knowledge of the corrosion phenomenon as function of the local metal microstructure is of crucial importance. In this work, we summarize the information presented in our previous publications[1-3] and present an overview of the different local (electrochemical) techniques that have been proven to be effective in studying the relation between different microstructural variables and their different electrochemical behavior. Atomic force microscopy (AFM)[1], scanning electrochemical microscopy (SECM)[2], and electrochemical scanning tunneling microscopy (EC-STM)[3] were used in combination with electron backscatter diffraction (EBSD). Consequently, correlations could be identified between the grain orientation and grain boundary characteristics, on the one hand, and the electrochemical behavior on the other hand. The grain orientation itself has an influence on the corrosion, and the orientation of the neighboring grains also seems to play a decisive role in the dissolution rate. With respect to intergranular corrosion, only coherent twin boundaries seem to be resistant.
Bruno Garcia Vasconcelos,Rafael Chacon Ruiz Martinez,Inar Alves de Castro,Susana Marta Isay Saad 한국식품과학회 2014 Food Science and Biotechnology Vol.23 No.6
Acceptance and the probiotic viability of aninnovative non-dairy frozen açaí (Euterpe oleracea, Mart.)dessert supplemented and not supplemented with inulinduring a shelf-life of 84 days at −18oC were investigated. Desserts containing and not containing probiotic Lactobacillusacidophilus La-5 and Bifidobacterium animalis Bb-12 andinulin were produced, resulting in 4 mixes of frozen açaí:control (M1), pro (M2), pre (M3), and synbiotic (M4). Sensory acceptability scores and probiotic counts wereobtained during 84 days of storage. Inulin, a key factor forproduct approval, significantly (p<0.05) increased overallproduct acceptance of both M3 and M4, compared withM1. La-5 viability was above 7 log CFU/g for both pro andsynbiotic desserts. Bb-12 counts were above 6 log CFU/gonly for M4. All frozen açaí desserts were suitable forprobiotic delivery and were accepted by consumers. Addition of inulin is recommended both for increasingacceptance and for the synbiotic potential.
Arcelio Martinez-Dominguez,Faustino Ruiz-Aquino,Wenceslao Santiago-Garcia,Pablo Antunez,Miguel Angel Lopez-Lopez,Cesar Valenzuela-Encinas,Rossy Feria-Reyes 한국산림과학회 2020 Forest Science And Technology Vol.16 No.3
The estimation of tree biomass serves as a parameter of forest productivity; in addition, it is a method to estimate carbon fixation and storage. Studies on total biomass that include the belowground component for the Pinus genus are scarce in Mexico due to the difficulty and high costs for its quantification. In this study, allometric models were fitted to estimate the total biomass of Pinus patula Schiede ex Schltdl. & Cham., from the pine-oak forest of Ixtl an de Juarez, Oaxaca, for which a destructive analysis was made of 25 trees distributed in five diameter classes, classifying the biomass by components (root, stem, branches and foliage). With the component biomass data, different models were fitted by nonlinear regression techniques, using the diameter at breast height (D, cm) and the total height (TH, m) as independent variables. The model with the best fit was an exponential type y ¼ eðb0þb1 ln ðDTHÞÞ : In this study, it was observed that the studied species stores 22.62% of the biomass in the root, 69.61% in the stem, 5.67% in the branches and 2.11%, in the foliage. The models proposed in this study allow the estimation of total biomass and by structural component independently and additively. Its use is recommended in trees of P. patula, in the range of 5 to 25 cm of diameter at breast height, in forests with similar growing conditions.
Bile duct injuries after cholecystectomy, analysis of constant risk
Jair Diaz-Martinez,Oscar Chapa-Azuela,Jorge Alberto Roldan-Garcia,Gustavo Alain Flores-Rangel 한국간담췌외과학회 2020 Annals of hepato-biliary-pancreatic surgery Vol.24 No.2
Backgrounds/Aims: The bile duct injuries are the most severe complications that occur after the surgical manipulation of the bile duct. The hepaticojejunostomy remained as the best treatment. Several factors identified that affect the result. This study aimed to analyze and identify risk factors that affected the evolution of these patients. Methods: A retrospective, observational study was conducted from February 1998 to June 2017. We included all patients with bile duct injuries who required surgical treatment. Results: We found 79 patients. The majority had a Bismuth type III in 35.4% (n=28). The morbidity of the Hepaticojejunostomy was 19% (n=15). In short-term follow-up, the main complications were cholangitis 11.4% (n=9) and bile leak 10% (n=8). In the long-term follow-up, in 2.5% (n=2) stricture was presented. On the comparison between postoperative and preoperative parameters, biliary peritonitis after a cholecystectomy (p=0.02) was an independent predictor of postoperative morbidity (p<0.05). Conclusions: In the treatment of bile duct injuries, different factors affect their outcomes. Our results show that infectious complications continue to affect the results of the treatment of bile duct lesions.
Considering Comorbidity in Adolescents with Social Anxiety Disorder
Luis-Joaquin Garcia-Lopez,Natalia Bonilla,Jose-Antonio Muela-Martinez 대한신경정신의학회 2016 PSYCHIATRY INVESTIGATION Vol.13 No.5
Social anxiety disorder is a highly prevalent psychiatric disorder, with elevated comorbidity rates with other mental health disorders and may cause severe negative consequences. In adolescence, there is a lack of research on how comorbid disorders to social anxiety tends to form particular associations. With a large sample of adolescents with a clinical diagnosis of social anxiety disorder, data have revealed that certain disorders are more frequent and tend to dwell on concrete aggregates. Thus, it may be particularly useful and efficient for mental health providers, pediatricians and school counselors to screen for generalized anxiety disorder and specific phobia when assessing SAD in youth. Overall, findings stress the presence of comorbidity being the rule rather than the exception in adolescents with social anxiety disorder, and the need for further examination of its impact on assessment and differential diagnosis on this psychiatric disorder.