• 대한수학교육학회지:수학교육학연구
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• 제21권4호
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• pp.361-378
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• 2011

본 연구는 교육과정 등재 용어가 교과서에서 사용하는 용어의 가이드라인 역할을 충실히 할 수 있도록, 교육과정 등재 용어와 교과서에서 사용하는 용어 사이의 불일치를 찾아 개선하는 것을 목적으로 한다. 이를 위해 교육과정 등재 용어와 교과서에서 사용하는 용어를 대상으로 수학 용어의 선정과 사용의 적합성에 관해 논의한다. 본 연구에서는 용어 등재와 관련해서 다음의 다섯 가지 기준을 제안한다. 순수한 일상어는 등재하지 않는다. 순화어는 등재하지 않는다. 초등학교 수학에서만 사용되지만 이미 정착된 용어는 등재한다. 맥락에 따라 다양하게 사용하는 용어는 한 번씩만 등재한다. 정의하지 않고 사용할 수 있는 용어를 지정한다. 교과서에서의 용어 사용과 관련해서도 다음의 세 가지 기준을 제안한다. 교육과정 등재 용어는 반드시 사용해야 한다. 맥락에 따라 다양하게 사용하는 동일한 용어는 맥락에 따라 재 정의한다. 공인되지 않은 용어나 꼭 필요하지 않은 용어는 사용하지 않는다.

• 한국축산식품학회지
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• 제26권1호
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• pp.15-19
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• 2006

The aim of this study was to determine the best processing conditions for producing of dried lean pork as a ready-to-serve product without using large-scale machines. Lean pork sausage was produced using 1.27% sodium chloride, 0.075% sodium polyphosphate, 0.06% sodium ascorbate, 0.075% sodium pyrophosphate, 0.009% sodium nitrite, 0.009% dextrin, 0.11% sodium glutamate and 1.4% spice mixture. The most appropriate slice thickness for drying was examined by slicing the sausage at a 0.5, 1 and 2 cm thickness. The drying temperatures were determined by drying the sausage slices at 35, 48 and $68^{\circ}$. The total drying period was for 12 hr, In order to examine the ability of this process to sterilize the pork, the raw meat materials were inoculated with Escherichia coli (E. coli). The optimal conditions for producing lean pork sausages were a 2 cm slice thickness and drying temperature of $68^{\circ}C$ for 12 hr, The moisture content water activity, color, hardness and pH were measured in the dried product. The product had a moisture content of 47.5% and a water activity of 0.93. There was a 47.7% percentage reduction in moisture. The dried product tested negative for E. coli even though the raw meat materials been inoculated with E. coli.

• 한국재료학회:학술대회논문집
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• 한국재료학회 2012년도 춘계학술발표대회
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• pp.88.1-88.1
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• 2012

Silicon nanowires (SiNWs), due to their unusual quantum-confinement effects that lead to superior electrical and optical properties compared to those of the bulk silicon, have been widely researched as a potential building block in a variety of novel electronic devices. The conventional means for the synthesis of SiNWs has been the vapor-liquid-solid method using chemical vapor deposition; however, this method is time consuming, environmentally unfriendly, and do not support vertical growth. As an alternate, the electroless etching method has been proposed, which uses metal catalysts contained in aqueous hydrofluoric acids (HF) for vertically etching the bulk silicon substrate. This new method can support large-area growth in a short time, and vertically aligned SiNWs with high aspect ratio can be readily synthesized with excellent reproducibility. Nonetheless, there still are rooms for improvement such as the poor surface characteristics that lead to degradation in electrical performance, and non-uniformity of the diameter and shapes of the synthesized SiNWs. Here, we report a facile method of SiNWs synthesis having uniform sizes, diameters, and shapes, which may be other than just cylindrical shapes using a modified nanosphere lithography technique. The diameters of the polystyrene nanospheres can be adjustable through varying the time of O2 plasma treatment, which serve as a mask template for metal deposition on a silicon substrate. After the removal of the nanospheres, SiNWs having the exact same shape as the mask are synthesized using wet etching technique in a solution of HF, hydrogen peroxide, and deionized water. Different electrical and optical characteristics were obtained according to the shapes and sizes of the SiNWs, which implies that they can serve specific purposes according to their types.

• Korean Journal of Acupuncture
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• 제19권2호
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• pp.149-165
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• 2002

Objective : We proposed fundmental rules of prospective on legal and institutional position and role of Korean medicine doctors working at public health center. Methods : By the result of this research on the current situation, the grade and allowance given to the Korean medicine doctors working at public health center were different every self-governing body. Results : The reason the Korean Medicine Doctor can't serve as a regular order of 5th grade is that the 'The Enforcement Regulation about Administrative Organization and the Standard of Pixed Number of person of Self-Governing Body(지방자치단체의 행정기구와 정원기준등에 관한 규정 시행규칙)' prescribes the number of regular order of 5th grade is regulated within 7% among the number of regular order officials. But not appointing to office as the regular order of 5th grade infringes on the Constitution, the highest law. The reason the Korean Medicine Doctors can't be appointed to office as the regular order officials by the self-governing body is that 'The Enforcement Order of the Law of Preservation of good health of Local Area(지역보건법시행령)' prescribes the Korean Medicine Doctors are not indispensable to Public Health Center. But in fact, the Korean Medicine Doctors can execute many kinds of work such as medical examination or instructing house nursing. Conclusion : The Korean Medicine Doctors working at Public Health Center serve at low positions as daily use or common use, not receiving a regular order. All laws including the Constitution(헌법), the Medical Services Law(의료법), the Law of Preservation of good health of Local Area(지역보건법), the National Public Service Law(국가공무원법), the Local Public Service Law(지방공무원법) and the Law of Higher Education Law(고등교육법) describe that the Korean Medicine Doctors and the Western Medicine Doctors are equal to their position and right.

• Genomics & Informatics
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• 제7권2호
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• pp.65-84
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• 2009

Sequences from the clones of full-length enriched cDNA libraries serve as valuable resources for functional genomics related studies, genome annotation and SNP discovery. We analyzed 7,392 high-quality chromatograms (Phred value ${\geq}$30) obtained from sequencing the 5' ends of clones derived from full-length enriched cDNA libraries of Korean native pigs including brainstem, liver, cerebellum, neocortex and spleen libraries. In addition, 50,000 EST sequence trace files obtained from GenBank were combined with our sequences to identify cSNPs in silico. The process generated 11,324 contigs, of which 2,895 contigs contained at least one SNP and among them 610 contigs had a minimum of one sequence from Korean native pigs. Of 610 contigs, we randomly selected 262 contigs and performed in silico analysis for the identification of cSNPs. From the results, we identified 1,531 putative coding single nucleotide polymorphisms (cSNPs) and the SNP detection frequency was one SNP per 465 bp. A large-scale sequencing result of clones from full-length enriched cDNA libraries and identified cSNPs will serve as a useful resource to functional genomics related projects such as a pig HapMap project in the near future.

• Journal of Periodontal and Implant Science
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• 제38권sup2호
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• pp.355-362
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• 2008

Purpose: The carrier for the delivery of bone morphogenetic proteins(BMPs) should also serve as a scaffold for new bone growth. In addition, predictable bone formation in terms of the volume and shape should be guaranteed. This study evaluated the ectopic bone formation of recombinant human BMP-2(rhBMP-2) using a micro macroporous biphasic calcium phosphate (MBCP: mixture of ${\beta}TCP$ and HA) block as a carrier in a rat subcutaneous assay model. Materials and Methods: Subcutaneous pockets were created on the back of 40 male Sprague-Dawley rats. In the pockets, rhBMP-2/MBCP and MBCP alone were implanted. The blocks were evaluated by histological and histometric parameters after a healing interval of 2 weeks (each 10 rats; MBCP and rhBMP-2/MBCP) or 8 weeks (each 10 rats; MBCP and rhBMP-2/MBCP). Results: The shape and volume of the block was maintained stable over the healing period. No histological bone forming activity was observed in the MBCP alone sites after 2 weeks and there was minimal new bone formation at 8 weeks. In the rhBMP-2/MBCP sites, new bone formation was evident in the macropores of the block. The new bone area at 8 weeks was greater than at 2 weeks. There was a further increase in the quantity of new bone with the more advanced stage of remodeling. Conclusions: A MBCP block could serve as a carrier system for predictable bone tissue engineering using rhBMPs.

• 한국과학교육학회지
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• 제24권1호
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• pp.29-47
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• 2004

Two project-centered secondary school programs were studied as part of an effort to elucidate successful components for science reform-based curriculum development. The Teachers for Exciting Science (TES), and Foundational Approaches in Science Teaching (FAST) programs in Korea and U.S., respectively, are project-centered programs because their curricula are centered on the activities initiated and engaged in by the students. Students serve as principal investigators in their projects, and teachers serve as guides. Both programs were analyzed based on criteria such as curriculum design, teaching, lives of students, lives of teachers, evaluation of program, from the Third International Mathematics and Science Study (TIMSS). In the programs, teachers and students directed the development of curricula and their implementation. Students assumed teacher roles as mentors of other students. And emphasis was on development of communication skills through student-delivered talks and written papers, and professional development of teachers as educators and scientists. Participation in TES stimulated secondary school student interest in science, encouraged inquiry thinking, increased achievement in learning science, and promoted better awareness of science related to real life. FAST students practice laboratory and field techniques, experimental design, hypothesis formation, generalization, and practical implications of research as academic and applied disciplinarians. These project-centered programs have been successfully implemented in field, lab, and classroom curricula for secondary science education. Comparison of these programs will provide an opportunity for identifying key elements instrumental in successful implementation of guidelines for science education, as measured through successful outcomes.

• Acta Via Serica
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• 제4권2호
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• pp.29-59
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• 2019

As 'a total social fact,' drinks and drinking may serve as a lens through which we can view a distant society. Although not frequently discussed, drinking vessels serve the same function for accessing a past world hidden or forgotten behind written records. The present article is an art history attempt to seek a cultural link between liquor vessels used in medieval Korea and the political and social change of the period. The Goryeo period (918-1392) saw an unprecedented abundance of drinking vessels in various forms and decorations. Goryeo artisans and craftsmen produced ewers, pitchers, flasks, bottles, and others in addition to the pre-existing shapes of vessels mainly consisting of jars and bowls. I argue that this sudden burst of creativity during the Goryeo period was closely related to Goryeo's constant and diverse contacts with foreign powers. Their zone of international connections was not confined to the Chinese world, as we have commonly presumed. Even before the Mongol intervention, Goryeo was in contact with regions beyond East Asia through the northern nomadic states. Khitan Liao was recorded as having worked as a kind of international intermediary to link the Chinese and Islamic worlds. This medieval global culture became a norm in Goryeo society when it became an important part of the Mongol Empire. These nomadic powers brought global trends to Goryeo, and foreign drinks were among them; kumis, araq, and grape wines are just three cases of them discussed in this article. The change of alcoholic drinks led to, or was accompanied by, a new range of drinking vessels. Three types of ewers, familiar to East Asian consumers but foreign in their origin, are discussed in the main text to highlight such social change. Three more cases of drinking cups are also presented. The article shows that medieval Korean society was far more open to international art and culture than our usual understanding, and in their drinking vessels, Goryeo culture embraced global trends reaching China, the Islamic world and Europe.

• 대한화장품학회지
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• 제29권2호
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• pp.79-104
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• 2003

Introducing to the market place, safe and effective product is an important responsibility of clinical investigators as well as regulatory agencies in all developed countries. Products claiming to improve skin wrinkles are no exceptions. To date, Renova(R) (all-trans retinoic acid), Avage(R) (tazarotene), and Botox(R) (botulinum toxin) are the only agents FDA approved to ameliorate wrinkles associated with photoaged skin in the USA. For all three, clinical evaluation of wrinkle severity was the primary endpoint required for the approval process. No sophisticated instrument measurements of wrinkles were required, nor used in the pivotal studies. The Division of Dermatologic & Dental Products of the US FDA (Director, Jonathan Wilkin, MD) is not against the use of mechanical instruments in assessing wrinkle severity. Its position on this issue however, remains that any such device must be grounded in patients' or product users' perspective, which means that the evaluation instrument must be clinically relevant and clinically perceptible. Sophisticated devices that can detect minimal improvement, but imperceptible to the users are considered useless in the eyes of the US FDA. Two instruments that have been tried in some antiwrinkle studies in the USA are silicone replicas and Primos. Despite their sophistications, they have clear limitations; thus have never replaced clinical evaluations in these studies. At most, they have served as secondary measures to provide corroborative data on the clinical efficacy of antiwrinkle products. For the foreseeable future, at least in the USA, careful clinical assessment of wrinkles will continue to serve as the critical benchmark to determine whether an antiwrinkle product has enough efficacy to benefit its users. We must not lose sight of the fact that sophisticated devices are only to serve in generating supportive evidence, and not the primary evidence, in any clinical studies.

• 한국보육지원학회지
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• 제9권5호
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• pp.357-379
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• 2013

본 연구는 숲유치원에서의 유아의 경험 세계를 살펴보고 그 안에 내재된 유아교육적 함의를 도출하고자 하였다. 더불어 이를 통해 앞으로 숲유치원이 나아가야 할 긍정적 방향성을 모색할 수 있는 기초자료로 삼고자 하였다. 자료 수집은 2012년 3월 넷째 주부터 2012년 11월 셋째 주까지 참여관찰, 면담, 문서 수집, 사진과 비디오 촬영을 통해 이루어졌다. 연구참여자는 부산시 H유치원 만5세반 24명의 유아와 유아들의 어머니 7인, 원장과 담당교사 2인, 숲해설가 2인이다. 연구자는 본 연구의 목적을 실현하기 위해 현상학적 질적 연구 방법을 통해 본 연구의 현장인 숲유치원의 상황적인 맥락을 고려하며 유아들을 관찰하였다. 연구결과 숲유치원에서의 유아들의 경험 세계를 본성의 장, 심미의 장, 참 놀이의 장으로 나타낼 수 있었다. 이를 통해 숲유치원이 유아들에게 타고난 본성을 드러내어 아름다움을 느끼고 참 놀이에 깊이 몰입할 수 있는 공간으로서 의미를 지니고 있음을 확인할 수 있었다.