• 한국정밀공학회:학술대회논문집
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• 한국정밀공학회 1996년도 추계학술대회 논문집
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• pp.799-805
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• 1996

In many cases, the magnetic farce model is linearized at the origin in designing the controller of a magnetic bearing system. However. this linear assumption is violated by the unmodeled nonlinear effect such as sensor dislocation and backup bearing dislocation. Therefore, a direct probe into the nonlinear magnetic force model in an active magnetic bearing system is necessary. To analyze the nonlinear magnetic force model of a magnetic bearing system, phase plot analysis which is to plot the numerical solution of the nonlinear equation in several initial points in the interested region is applied. Phase plot analysis is used to observe a nonlinear dynamic system qualitatively (not quantitatively). With this method, we can get much useful information of the nonlinear system. Among this information, a bifurcation graph that represents stability and locations of fixed points is essential. From the bifurcation graph, a stability criterion of magnetic bearing system is derived.

• 사상체질의학회지
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• 제22권1호
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• pp.9-16
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• 2010

1. Background: GalgeunNabokja-Tang(葛根蘿葍子湯) is suggested as treatment and prescription of Exterior Heat syndrome Diarrhea(表熱證泄瀉) in Donguisusebowon Tae-eumin Interior febrile disease induced form the liver affected by heat("東醫壽世保元" "太陰人肝受熱裏熱病論"), but is not recorded the treatment contents in Sinjungbang("新定太陰人病應用要藥二十四方"). 2. Methods: Accordingly, the writer surveyed, compared, and arranged the relevant contents by collecting books of doctors of Four-Constitutional Medicine(四象醫) since Lee Je-ma including Lee Je-ma's books. 3. Results: and Conclusions: 1) The treatment contents in GalgeunNabokja-Tang are thought to be valid to have the criterion as the contents of appearing in SanggyohyuntoDonguisusebowon Boyubang("詳校懸吐東醫壽世保元" "補遺方"). 2) The origin in GalgeunNabokja-Tang is GalgeunNabokja-Tang in Bimang-lok("備忘錄"). And the period of having made treatment for the first time may be estimated to be the one between Donguisuse- bowonSasangchobonguan("東醫壽世保元四象草本卷") and HamsansachonDonguisusebowonGabogubon ("咸山沙村東醫壽世保元甲午舊本"). 3) GalgeunNabokja-Tang is thought to be probably what Han Du-jeong recorded in Boyubang by searching for what Lee Je-ma modified some of GalgeunNabokja-Tang in Bimang-lok while writing Pathological Syndromes("病證論") in Donguisusebowon("東醫壽世保元").

• 약학회지
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• 제60권1호
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• pp.29-35
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• 2016

Traditional Korean medicines may be managed more scientifically, through the development of logical criterion to verify their cultivation region. It contributes to advance the industry of traditional herbal medicines. Volatile compounds were obtained from 14 samples of domestic Taeksa and 30 samples of Chinese Taeksa by steam distillation. The metabolites were identified by NIST mass spectral library in the obtained gas chromatography/mass spectrometer (GC/MS) data of 35 training samples. The multivariate statistical analysis, such as Principal Component Analysis (PCA), Partial Least Squares Discriminant Analysis (PLS-DA), and Orthogonal Partial Least Squares Discriminant Analysis (OPLS-DA), were performed based on the qualitative and quantitative data. Finally trans-(2,3-diphenylcyclopropyl)methyl phenyl sulfoxide (47.265 min), 1,2,3,4-tetrahydro-1-phenyl-naphthalene (47.781 min), spiro[4-oxatricyclo[5.3.0.0.(2,6)]decan-3-one-5,2'-cyclohexane] (54.62 min), 6-[7-nitrobenzofurazan-4-yl]amino-morphinan-4,5-epoxy (54.86 min), p-hydroxynorephedrine (55.14 min) were determined as marker metabolites to verify candidates for the origin of Taeksa. The statistical model was well established to determine the origin of Taeksa. The cultivation areas of test samples, each 3 domestic and 6 Chinese Taeksa were predicted by the established OPLS-DA model and it was confirmed that all 9 samples were precisely classified.

• 무역학회지
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• 제41권5호
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• pp.213-233
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• 2016

FTA 원산지 규정은 품목의 특성에 맞게 산업별 특성 및 양 당사국간의 상황을 고려하여 양 당사국간의 협상에 의해 정해지고 협정문을 통해 규정하고 있으며, 수산물의 원산지결정기준은 크게 완전생산기준을 적용하는 협정과 2단위 세번변경기준을 적용하는 협정으로 나눌 수 있다. 수산물은 HS code Chapter 3에 속하며, 일반적으로 양식 또는 어획에 의한 획득을 통해서 생산된다. 본 연구에서는 이러한 관점에서 각 협정을 비교 하였다. 어획된 수산물의 경우 공해어업과 관련한 배경 지식이 없는 상황에서 업무상 판단 오류가 발생 할 수 있다. 원산지 판정을 위한 선박의 인정 요건과 관련하여 국제 협정에 의해 선박은 등록국의 국기를 게양하고 항행 할 수 있으므로, FTA 원산지규정에 적용할 수 있도록 하는 기국주의 등에 대한 연구를 진행하였다.

• Journal of Korea Trade
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• 제25권8호
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• pp.1-24
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• 2021

Purpose - This study categorizes factors that influence the utilization of preferential tariffs based on the characteristics of rules of origin (RoO) and identifies and analyzes the influence of these characteristics on the utilization of preferential tariffs and the trade performance of companies. Design/methodology - In this study, we categorized factors that have an influence on the utilization of preferential tariffs based on the characteristics of RoO and investigated and tested the influence of these characteristics on the utilization of preferential tariffs and the trade performance of companies. For empirical analysis, we categorized the characteristics of RoO into restrictiveness, complexity, and uncertainty. We then developed a research model and formulated hypotheses based on previous studies, and tested the hypotheses using statistical software-(SPSS 25.0 and AMOS 18.0.) Findings - Previous studies suggested that each characteristic of RoO is determined by unique features of a Regional Trade Agreement (RTA). This study conducted an empirical analysis on the influence of the characteristics of RoO on the utilization of preferential tariffs and trade performance. The results confirmed that, overall, the characteristics of preferential rules of origin (PRoO) are related to and influence Korean companies' utilization of preferential tariffs and trade performance. As for the degree of the influence, the characteristics were in the order of uncertainty> restrictiveness> complexity. Nevertheless, complexity turned out not to have an influence large enough to change a company's decision on the utilization of preferential tariffs. Based on these results, this study identified unique features of PRoO and related problems for Korean companies that want to utilize preferential tariffs and suggested countermeasures for their effective utilization of preferential tariffs in the future. Originality/value - Companies that want to use preferential tariffs in international trade have to satisfy PRoO. The issue of origin can be regarded as an essential part of an RTA and RoO, are a crucial criterion in using preferential tariffs. The rules are requirements to claim benefits of preferential trade agreements and are the primary reasons companies have trouble in utilizing preferential tariffs. In this sense, this study categorized the characteristics of RoO, which are a key part of an RTA, and surveyed working-level professionals in charge of international trade at Korean companies to investigate the relationship between these characteristics and the utilizations of preferential tariffs and trade performance of the companies.

• 철학연구
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• 제92호
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• pp.5-28
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• 2011

이 논문은 혜시(惠施) 철학이 '천지일체(天地一體)'를 지향하였으나 끝내 그에 이르지 못한 철학이라는 저평가를 바로잡고자 기획되었다. 이를 위해서는 혜시 철학의 연원과 '천지일체'에 도달하는 혜시만의 독특한 방식을 규명해야 하는데, 이의 관건이 등석(鄧析)에게 있다고 보았다. 그래서 우선 혜시 철학의 연원에 관한 이제껏 분분하였던 다양한 견해들을 살피고 그것들의 한계를 지적하였다. 다음에는, 등석이라는 새로운 대안에 주목하였다. 등석에 대한 탐구는 현존하는 "등석자(鄧析子)"의 두 편명인 '무후(無厚)'와 '전사(轉辭)'에 함축되어 있는 의미를 중국 고대철학사의 맥락에서 논구하는 것으로 이루어졌다. 그 결과, 등석의 '무후'가 상고(上古)시대로부터 춘추말기(春秋末期)까지 절대의 준거였던 상제(上帝)와 천(天)이 인간사에 더 이상 개입할 수 없는 무효(無效)의 존재로 전락되고 말았음을 상징한다는 것을 확인하였다. 또한 '전사'는 인간들 사이에서 생겨난 문제를 천명(天命)이 아닌 인간의 명변(名辯), 혹은 생각 또는 말로써 해결하겠다는 의식의 반영임을 보았다. 끝으로 이러한 등석의 사상으로부터 혜시 철학의 연원과 '천지일체'에 도달하는 혜시만의 독특한 방식의 해명을 시도하였다.

• 조명전기설비학회논문지
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• 제13권3호
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• pp.56-63
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• 1999

전력계통의 변전소 설비들은 계통의 확장에 따라 점점 복잡하고 거대해지고 있다. 또한, 몇몇 장비들은 점점 노후되고, 종종 예상치 않은 고장을 일으킨다. 변전소 설비들 중 변압기의 신뢰도를 증가시키기 위해서, 변압기의 진단기법 개발이 매우 필요하다. 본 연구에서는, 전력용 변압기의 용해 가스들을 근거로 KSOM(Kohonen Self Organizing Map)에 의한 열화정도와 원인의 분석기법을 개발하였다. KOSM은 용해가스에 의해 구성된 다차원 패텅을 이차원 평면에 지형학적 맵핑이 가능하다. 그리고 정장변압기에 대한 열화의 정도와 잠재적인 열화의 가능성을 제안된 정량적 지표에 의해 제시하였다. 아울러, 변압기의 열화과정을 제안된 지표를 근거로 특정한 변압기에 대해 분석하였다. 제안된 방법의 타당성을 입증하기 위해서 사례연구가 수행되고, 그 결과를 제시하였다.

• 동의생리병리학회지
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• 제21권5호
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• pp.1356-1363
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• 2007

The purpose of the study was to identify the general status of Kigong organizations introduced on Internet. We have used www.naver.com, the biggest portal site in Korea and www.nice114.co.kr, which has the longest list of the telephone numbers to look up the organizations with the index of "Kigong and Danhak" and "Mediation". Among them we screened the organizations to have the list of organizations which have been established for more than 5 years, with more than 100 trainees and whether they published books or booklets regarding Kigong by the means of telephone conversation or home page access. The number of organizations identified by telephone and Internet with the indexes of Kigongdanhak and mediation was 852. The number of organizations that passed the primary criterion was 22, and that passed the secondary criterion was 8. Among the primarily screened organization, there are 5 focusing on mediation, 5 focusing on breathing, 3 focusing on Haenggong, 4 focusing on mediation and Haenggong, 4 focusing on breathing and Haenggong and 1 focusing on mediation and breathing. In secondarily screened organizations, they called their training method as Seondo, Shinseondo or Seonhak and origin of the training method as Dangun and Hwangwung. As Sambeop training of Jigam, Josik and Geumchok provide training methods which are a little different each other, the utilization rate was low although there are some organizations that have special training using Three Bibles. It was identified that there were many texts and writings that they took as training methods other than Three Bibles. Kigong training organizations based on Korean traditional ideologies are grounded on the Three Textbooks such as , , and and the concept of Hongikingan. This ideological ground is the study of Completion of Human Beings through physical and mental training and goes with Seondo, Pungryudo and Hyunmyojido.

• 약학회지
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• 제53권5호
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• pp.274-280
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• 2009

To survey the status of quality control of major ingredients of 'Ssanghwatang (Oriental medicine used for fatigue)', we analyzed 1,024 samples (9 kinds) of medical herbs to determine amounts of ashes, acid-insoluble ashes, loss on drying that are major elements to ensure basic quality of herbal drugstuffs. After ash analysis, Paeoniae Radix (from China) failed to meet the herbal standard criterion. After yielding Z-score(indicating the probability of exceeding its criterion) Zizyphi Fructus, Zingiberis Rhizoma, Paeoniae Radix, Rehmanniae Radix Preparata became objects of intense quality control (=IQC). Analysis on loss on drying shows Cinnamomi Cortex was unsuitable and was put under the IQC. In case of respective heavy metals, Angelicae Gigantis Radix, Cnidii Rhizoma, Cinnamomi Cortex exceeded the maximum permissible range for Cd. The 3 kinds of sub-standards were put to the IQC. Statistic figures showed a significant correlation (t-test, p<0.01) between country-of-origin and sub-quality rates. Compared to domestic one, imported medicinal herbs were less suitable in regard of acid-insoluble ash, loss on drying and Pb/Hg content. Meanwhile, amounts of Acid-insoluble ash showed positive relation with amounts of Pb (r=0.202) and As (r=0.243) among heavy metals leading to an inference that herbs of which root/rhizome is used for medical purposes attribute its high heavy metal content to the fine earth/sand being stuck to its root stalk.

• 한국컴퓨터정보학회논문지
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• 제14권7호
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• pp.169-175
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• 2009

한국 정부는 2003년 FTA 추진 로드맹에서 밝힌 '동시다발적이고 높은 수준의 포괄적인 FTA 추진 전략'에 따라서 칠레, 싱가포르, EU, MERCOSUR, ASEAN 등 세계 22개국과 FTA가 이미 발효되었거나 FTA 협상이 진행 또는 추진되고 있다 한 중 FTA 협상에서는 무엇보다 관세인하 전략의 추진과 함께 중국의 수입을 제한하고 있는 각종 비관세장벽의 철폐 노력이 필요하다. 동시에 중국 내 한국 기업의 경영환경을 개선시키는 노력과 함께 농산물뿐만 아니라 제조업 분야에서도 전방위적인 수입확대가 예상되므로 한 중 FTA 원산지 기준을 강화하는 등 중국을 경유한 우회수출 방지를 위한 노력도 매우 중요한 과제가 된다.