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박승현,최승필,나병호,황주일,나석주,전해명,김세경 大韓應急醫學會 1996 대한응급의학회지 Vol.7 No.1
Traumatic asphyxia has often been described as a rare clinical syndrome characterized by cervicofacial cyanosis and edema, multiple petechiae, and subconjunctival hemorrhage after a severe crush injury of the thorax or upper part of the abdomen. The pathogenesis of traumatic asphyxia is that after compression of the chest or upper abdomen, intrathoracic pressure increased suddenly. Blood is forced out of the right atrium through the valveless innominate and jugular veins into the head and neck. This sudden increased thoracic pressure in small venules and capillaries causes rapid dilation and minute hemorrhages producing the petechiae often seen. Treatment is supportive and should be focused on the associated injuries. The prognosis for traumatic asphyxia is very good despite the alarming initial physical appearance. If the patient survives the initial insult, the prognosis is excellent. Neurologic sequale may be permernant. We experienced five case of the traumatic asphyxia, and its clinical and pathophysiologic features are discussed. Increased awareness of this syndrome by emergency physicians will result in better reporting ad understanding of its clinical implications.
柳承宙(Liu Seung-ju) 백산학회 1970 白山學報 Vol.- No.8
As the government of Ch’ing China moved from present-day Muk-den (奉天) to Peiping in the 22nd year of King In-jo (仁祖) of the Yi dynasty (A.D. 1644), envoys from the Korean court in later Yi dynasty period changed their course of travel to visit Peiping. Thus, the envoys and their retinues came to be called ‘bu-yeon-sa-haeng’ (赴燕使行-mission to Yenching), and the official interpreters that accompanied the envoys were called ‘bu-yeon-yeok-kwan’(赴燕譯官). For want of efficient personnel administration on the part of the government, these interpreters did not enjoy any professional security, nor were given adequate social standing or financial guarantee. So, except for a few who were fortunate enough to be appointed to official positions where a substantial income was assured of, all these interpreters had to rely entirely on the profit gained from their commericial activities undertaken on their journey to and from Peiping for a livelihood. What helped them with such commercial activities was their peculiar positions as interpreters, entrusted with the care and control of the hundreds of men and horses. Besides, due to their professional importance, they were allowed to take with them on these tours a certain number of private servants and beasts of burden. Also, they were able to make use of those other horses that had carried tributes to the Peiping court, when transporting goods traded in Peiping on their way back. These Interpreters, enjoying all these advantages and perquisites, were also approved of doing private business to a certain extent and, for they were entrusted with performance of official trade activities in behalf of many a government agency in Seoul, too, it was easy for them to secure loans from the goverment treasury. Their authorized funds for enterprising business came to amount to two to three thousand yang silver per year and, apart from this, their private or secret trading business came to scores or hundreds of times as much as the former on a trip. Their chief imports were silk products from Ch’ing, and these interpreter-traders exported them to Japan through the Japanese agencies stationed in Pusan. The export prices being two or three times what they had paid in Ch’ing, their profits were enormous. From these interpreter-traders, even such financial magnates as Pyeon Seung-eob (卞承業) emerged, who amassed over half a million yang silver. These wealthy capitalists invested part of their capitals in such industries as gold-mining, etc. There were non-interpreter traders also that illegally took part in the trading business with Ch’ing from the beginning, and they had continued gaining power until they bought public authorization some time from the end of the 17th century and the beginning of the 18th century. Thus, as time went on, the interpreter-traders and these merchants became opposed to each other, but the former were engaged mainly in relaying goods from Ch’ing to Japan, while the latter, in principle, in importation of goods for domestic markets. The trade between Ch’ing and Korea, that had been going on this way, however, had to undergo a sudden change of fortune in the 1720s as Japan began trading direct with China. With the markets in Japan blocked up now, the trade with this insular country rapidly declined. Frustrated, the interpreters made appeals to the government that it forbid those private traders, who had control of domestic markets for Ch’ing products, to trade with Ch’ing thenceforward. Forbidden to trade with Ch’ing, however, these private merchants never stopped to act. They went right on with their trade with Ch’ing, now illegally but still on a large scale, in the areas bordering on Ch’ing, and it was not long before that they resumed open trade with Ch’ing, in collusion with some government agencies. Thus, the ‘bu-yeon-yeok-kwan’ were gradually deprived of their control of the trade with China.
Yoon, Jee-Hyun,Park, Ha-Yeong,Kim, Tae-Ju,Lee, Seung-Ho,Kim, Jung-Hoon,Lee, Guem-San,Kim, Hong-Jun,Ju, Young-Sung The Society of Korean Medicine 2014 대한한의학회지 Vol.35 No.4
Objectives: This study aimed for establishing the discriminative criteria for Aucklandiae Radix, Inulae Radix, Vladimiriae Radix and Aristolochiae Radix, which can be confused as 'Mokhyang', because of similar appearances and synonyms. Methods: Morphological characteristics of dried herbal medicines were compared by macroscopic observation. To examine microscopic features of 'Mokhyang', paraffin embedding and the staining by using Ju's method were conducted. Physicochemical experiments were performed using HPLC analysis and antioxidant assay. Results: The types of stem, phyllotaxy and leaf shape were chosen as macroscopic criteria and the size, oil spots, color and root top as well as phloem and central cylinder were compared using microscopic features. The HPLC results showed different amounts of costunolide and dehydrocostuslactone among Aucklandiae Radix, Inulae Radix and Vladimiriae Radix. However, Aristolochiae Radix only contained aristolochic acid. The antioxidant assays also showed that Vladimiriae Radix exhibited strongest antioxidant activity followed by Aucklandiae Radix, Inulae Radix and Aristolochiae Radix. Conclusions: These results demonstrate that macroscopic, microscopic and physicochemical methods would be useful tools for the discrimination of 4 kinds of 'Mokhyang'.
주현돈,양승호 진주여자전문대학 2002 論文集 Vol.25 No.-
Diesel engine generator sets in heavy industry plants and residential/official buildings can cause serious noise problem. In this paper, a low noise diesel engine generator set is developed through constructing an acoustic enclosure with ventilation duct silencers that effectively block the acoustic flow but guarantee good thermal flow. Acoustic design of the enclosure which is initially layout by rule of thumb, is evolved systematically through numerical reanalysis procedure, based on indirect boundary element method(IBEM) with a commercial acoustic analysis code. The acoustic and cooling performances of the developed low noise diesel engine generator set are confirmed by the experiment.
박형주,김종수,유승훈,신지선 大韓小兒齒科學會 2011 大韓小兒齒科學會誌 Vol.38 No.4
QLF-D system composed with DSLR(digital single-lens reflex) camera, and the images of natural enamel caries and artificial caries was developed from 2 days to 14 days captured by QLF-D system. The correlation between lesion depth of the polarized microscope and luminosity ratio of QLF-D image was analyzed and the results were summarized as follows: 1. The Pearson correlation value between the lesion depth of polarized microscope images and luminosity ratio of QLF-D images was 0.969(p<0.01). 2. From Regression analysis of lesion depth from polarized image by demineralized period, the equation was y = 8.67x - 1.16(p<0.05). 3. From Regression analysis of luminosity ratio from QLF-D image by demineralized period, the equation was y = 3.53x + 6.42(p<0.05). From the results, QLF-D system can detect the enamel caries at the very early stage and can monitor the progression of demineralization and remineralization. For the convenient use of QLF-D system in the laboratory, the image analysing software was needed to analyze of interest site of enamel caries lesion. 저자는 DSLR(digital single-lens reflex) 카메라를 이용한 QLF-D 시스템을 고안하여, 사람의 유구치에 자연 발생된 법 랑질 초기 우식증을 관찰하고, 유구치 법랑질 시편을 대상으로 2일부터 14일까지 인공 탈회시킨 후 탈회 기간에 따른 상관관 계를 편광 현미경 소견과 비교 분석한 결과 다음과 같은 결과를 얻었다. 1. 탈회 기간에 따른 편광 현미경 상의 병소 깊이와 QLF-D 영상의 광밀도 값 비율 간의 피어슨 상관 계수는 0.969였다 (p<0.01). 2. 편광현미경에서 측정된 병소 깊이의 탈회 기간에 대한 회귀분석 결과 y=8.67x-1.16의 회귀 방정식이 산출되었다 (p<0.05). 3. QLF-D 영상에서 측정된 광도값 비율의 탈회 기간에 대한 회귀분석 결과 y=3.53x+6.42의 회귀 방정식이 산출되었다 (p<0.05).
주종문,황승국 한국품질경영학회 2004 품질경영학회지 Vol.32 No.1
The Internet has produced a great variety of VOC data. However, they are hardly helpful for CRM because they are not integrated with VOC data of the related businesses yet. This paper has set up a system for the said VOC data to actually become helpful for CRM. The system has two aspects. From the aspect of products, the customers' needs for products will be analyzed to produce what they actually want. From the aspect of customers, on the other hand, decent relationships with them shall be maintained constantly by thoroughly analyzing all the related data. The analyses on both of these aspects have the advantage of maximizing customer satisfaction by active CRM that makes us recognize what customers prefer, or complain of in advance and then provide them with tailor-made service.