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멜추크, 이고르 국립국어연구원 1992 새국어생활 Vol.2 No.4
내가 주장하는 사전은 설명 결합 사전(explanatory combinatorial dictionary, 이하 ECD)이다. ECD는 언어학의 의미-텍스트 이론과 밀접한 관련을 맺고 있다. 의미-텍스트 이론은 1965년경 나와 아프레샨(Apresjan), 그리고 UCLA의 졸코프스키(Zholkovskij)가 함께 개발한 것이다. 의미-텍스트 이론의 기본적인 주장은 자연 언어를 무한 집합의 의미와 무한 집합의 텍스트 사이의 대응 관계의 체계라고 보는 것이다. 이 대응 관계를 형식적 규칙으로 기술하는 것이 의미-텍스트 모델이다. ECD는 의미-텍스트 모델의 핵심 요소의 하나이다. ECD는 다음의 다섯 가지 특질을 가지고 있다.
Pegah Dalvand,Shahram Raygan,Gabriel A. López,Mariano B. Meléndez,Volodymyr A. Chernenko 대한금속·재료학회 2020 METALS AND MATERIALS International Vol.26 No.9
In this study, the effect of isothermal aging on the thermoelastic martensitic transformation and microstructure of the asquenchedCu–12Al–3.5Ni–0.7Ti–0.05RE (RE = Ce, La) high temperature shape memory alloy was studied. The resultsshowed that the alloy microstructure and martensitic transformation are strongly influenced by the aging temperature ratherthan aging time. During aging at 350 °C the alloy was prone to both the precipitation of the γ2 phase and the bainitic transformation,resulting in a loss of martensitic transformation and damping capacity. The prolonged aging at 350 °C caused adecomposition of parent phase into the equilibrium γ2 phase alongside the α phase which produced a significant hardnessincrement. On the other hand, aging at 250 °C affected the microstructure only slightly producing insignificant shift in thetransformation temperatures. It was found that, the secondary phases including Ti-rich X-phase and the RE-rich phase werenot influenced by the aging process. The results prescribe a high temperature order of the stability of martensitic transformationfor this new alloy which is important for its high temperature shape memory applications.
Asian studies degrees and intercultural competence: The case of Spain
Ana Rosa del-Águila-Obra,F. Manuel Montalbán-Peregrín,Antonio Padilla-Meléndez 한국교육개발원 2017 KEDI Journal of Educational Policy Vol.14 No.1
This paper analyses how Spanish Higher Education Institutions (HEIs) are implementing “internationalization at home” strategies through the introduction of Asian studies degrees to help undergraduate students to be ready to work in a globalized world. The selection of Asia as specialization reflects its relevance for HEIs, as the most influential geopolitical area in the context of the current economic and cultural globalization. Specifically, this study identifies the undergraduate Asian degrees developed by Spanish HEIs, in what ways they are interculturally oriented, and how the intercultural orientation was incorporated into the degrees. It is possible to identify in the programs a process of the incremental acquisition of intercultural competence, following these phases: general knowledge moves to socio-linguistic and instrumental knowledge, which then becomes intercultural self-awareness. This paper concludes that to implement successfully their strategies at home and, simultaneously, to embrace the increasing societal demand for enhanced intercultural skilled professionals, a higher level of intercultural awareness is needed in Asian studies degrees at Spanish HEIs. The paper ends with some recommendations for educational policy-makers.
Juan Luis Gó,mez-Amador,Marcos Vinicius Sangrador-Deitos,Luis Alberto Rodriguez Hernandez,Aldo Gabriel Eguiluz Melé,ndez 대한두개저학회 2021 대한두개저학회지 Vol.16 No.2
Fibrous dysplasia (FD) is a rare, benign disease, characterized by the replacement of normal medullary bone by fibro-osseous tissue. It is caused by somatic mutations in the α subunits of the stimulatory G protein encoded by the GNAS gene. FD can be divided into three categories. FD must be considered with any clival, sellar or parasellar lesion, especially with bone affection. Visual disturbances are one of the most disabling complications of this disease, secondary to optic canal compression. There is still controversy whether unroofing of the optic canal should be performed in these cases. We present the case of a 30-year-old woman who presented to our institution with a 3 weeks history of headache and blurred vision, for which a neuronavigated transnasal endoscopic resection was planned. We present a novel surgical approach, in which we performed a conventional transellar approach, with complete resection of an osseous lesion which infiltrated the sella turcica and clivus. Unroofing of the left optic canal and complete decompression of the optic nerve were performed, as well as an extradural clinoidectomy.
Andrés Díaz-Gomez,Mytzy Godoy,María Elizabeth Berrio,Jesús Ramirez,Andrés Felipe Jaramillo,Carlos Medina,Mary Montaño,Manuel Francisco Meléndrez 한국섬유공학회 2022 Fibers and polymers Vol.23 No.7
In this study, a polymerized polyurethane foam was formulated from tannins extracted from Pinus radiata aspolyol, and copper oxide nanoparticles (CuO-NPs) at a concentration of 2 % w/w as a nucleating agent. This produced areinforced foam with better mechanical properties and fire resistance. The impact of the addition of CuO-NPs on themechanical and thermal properties of the tannin foam was also studied. The properties studied were foaming process, foamdensity, cell morphology, flammability and thermal conductivity. The results revealed that the CuO-NPs incorporated in thefoam formulation act as nucleation centers, which decrease the pore size, strengthen the cell walls, and improve mechanicalproperties. The tannin samples showed good thermal resistance performance with a limit oxygen index (LOI) higher than21 %. The results obtained were contrasted with two foams, a commercial foam (SoudaFoam) and a foam generated with thesame dissociate, but with a commercial polyol (LHT-112). The foam with NPs had an elastic modulus of 3.7 MPa and stress(max) of 1.13 MPa, which was higher than those of the foams used as controls.
Dye-Perfused Human Placenta for Simulation in a Microsurgery Laboratory for Plastic Surgeons
Zambrano-Jerez Laura C.,Díaz-Santamaría Karen D.,Rodríguez-Santos María A.,Alarcón-Ariza Diego F.,Meléndez-Flórez Genny L.,Ramírez-Blanco Mónica A. 대한성형외과학회 2023 Archives of Plastic Surgery Vol.50 No.6
In recent decades, a number of simulation models for microsurgical training have been published. The human placenta has received extensive validation in microneurosurgery and is a useful instrument to facilitate learning in microvascular repair techniques as an alternative to using live animals. This study uses a straightforward, step-by-step procedure for instructing the creation of simulators with dynamic flow to characterize the placental vascular tree and assess its relevance for plastic surgery departments. Measurements of the placental vasculature and morphological characterization of 18 placentas were made. After the model was used in a basic microsurgery training laboratory session, a survey was given to nine plastic surgery residents, two microsurgeons, and one hand surgeon. In all divisions, venous diameters were larger than arterial diameters, with minimum diameters of 0.8 and 0.6 mm, respectively. The majority of the participants considered that the model faithfully reproduces a real microsurgical scenario; the consistency of the vessels and their dissection are similar in in vivo tissue. Furthermore, all the participants considered that this model could improve their surgical technique and would propose it for microsurgical training. As some of the model's disadvantages, an abundantly thick adventitia, a thin tunica media, and higher adherence to the underlying tissue were identified. The color-perfused placenta is an excellent tool for microsurgical training in plastic surgery. It can faithfully reproduce a microsurgical scenario, offering an abundance of vasculature with varying sizes similar to tissue in vivo, enhancing technical proficiency, and lowering patient error.