• Asian Pacific Journal of Cancer Prevention
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• v.13 no.9
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• pp.4357-4361
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• 2012

Objective: The guidelines on indications for prophylactic use of Bacille Calmette-Gu$\acute{e}$rin (BCG) against non-muscle-invasive bladder cancer (NMIBC) have changed over the years. In order to assess the impact on outcome, the present retrospective comparison of BCG efficacy by time period with Japanese patients was conducted. Patients and Methods: A total of 146 cases of NMIBC treated with BCG since February 1985 were retrospectively evaluated. All patients received 80 mg of BCG (Tokyo 172 strain) six to eight times a week for prophylactic use. Comparison was made among three historical groups (Group A: 1980's, 39 cases; Group B: 1990's, 61 cases; Group C: 2000's, 46 cases). Results: In total, recurrence was seen in 55 of the 146 cases (37.7%), and progression in 14 (9.6%), 1 patient dying of cancer. These overall results were similar to those outlined in previous reports. However, the outcomes of this time-period-based analysis indicated a tendency for a shorter time to recurrence in patients after 2000, although a log-rank test showed no significance (P=0.229). Seven of the cases featuring progression (i.e., half of all such cases) were among the 46 Group C patients (15.2%). Excluding these progressive cases, there was no significant difference among the remaining 132 patients in the three groups. Conclusion: This study results revealed a tendency for a lower non-recurrence rate after 2000 in our series. This could stem from a number of factors, including changes in BCG indication criteria and the evolution of histopathological diagnostic criteria.

• Journal of Korea Water Resources Association
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• v.49 no.4
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• pp.275-282
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• 2016

The objective of this study is to propose a new method to determine the drought event and the design drought severity. In order to define a drought event from precipitation data, theory of run was applied with the cumulative rainfall deficit. When we have a large amount of rainfall over the threshold level, in this study, we compare with the previous cumulative rainfall deficit to determine whether the drought is relieved or not. The recurrence characteristics of the drought severity on the specific duration was analyzed by the conditional bivariate copula function and confidence intervals were estimated to quantify uncertainties. The methodology was applied to Seoul station with the historical dataset (1909~2015). It was observed that the past droughts considered as extreme hydrological events had from 10 to 50 years of return period. On the other hand, the current on-going drought event started from 2013 showed the significantly higher return period. It is expected that the result of this study may be utilized as the reliable criteria based on the concept of return period for the drought contingency plan.

• Korean Journal of Construction Engineering and Management
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• v.16 no.5
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• pp.97-104
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• 2015

Apartment Housing 25 in the field of construction since 2000 collected by types of labor: reinforced concrete, plaster, internal, equipment, electrics communication, the other work. And the performance of labor input was collected in the amount of construction work performed on a monthly basis. After changing the construction period in the standardization work that is 100% of the construction period, the amount was converted into labor ratio by type. Analysis of the input flow rate and the amount of labor conclusions were as follows: (1) The size of the labor rate is reinforced concrete work (38.25%), plastering work (5.10%), internal work (5.67%), equipment work (9.10%), electrics communication (8.76%), the other works (33.12%) and the size of labor rate is the largest work in reinforced concrete work. (2) The peak of labor input ratio was from 52.5% month to 62.5% month. This was when the labor rate of 3.6%. (3) The period month of the largest labor ratio% is 35% month by reinforced concrete construction, and this time it was 2.12% per month labor rate, and reinforced concrete construction is finishing from 65% month to 80% month. This showed the greatest congestion of mutual interference between each works is being continue. The results of this study are the greatest congestion in apartment housing construction has informed the high period(%months), which is essential to a successful project.

• Korean Journal of Heritage: History & Science
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• v.52 no.4
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• pp.184-205
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• 2019

Buddhism was introduced to Gyeonggi-Do early on and thus created various types of Buddhist culture there. Since the introduction of Buddhism into Gyeonggi-do, the there has been continuous construction of stone stupas. More stone stupas were built in southern Gyeonggi than in northern Gyeonggi-do. In particular, Anseong, Icheon, Yongin, and Yeoju were centers of construction. Looking at the characteristics of each period, stone stupas remain from the Unified Shilla Period to Joseon, indicating that stone stupas were steadily built during this period. The stone stupa corresponding to the Unified Shilla Period is meaningful in that it shows the northern limit of Shilla Buddhist culture. Since then, the stone stupas of the Goryeo Dynasty were actively constructed in the southern part of Gyeonggi-do in the early Goryeo Dynasty. By the late Goryeo Dynasty, the stupas were built throughout Gyeonggi-do, indicating that the construction of the stupa was active. In the Joseon Dynasty, stone stupas were built in temples near Hanyang and deeply related to the royal family. Stone pagodas were erected mainly on major traffic routes. Stone stupas built in Gyeonggi-do have a variety of artistic and historical significance.

• The Journal of Korean Medical History
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• v.32 no.2
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• pp.43-50
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• 2019

The medical book Yosandangsinjipeuibangkeumnangjibo (『樂山堂新集醫方錦囊至寶』, below as Yosandang, 『樂山堂』) is housed in the Handok museum of Medicine and Pharmacy. At the end of the Yosandang, written in manuscript, contains a rhymes of herbal medicine (藥性歌). The rhymes of herbal medicine is a record of song form about herbal medicine. Song-forms were widely used because they were easy to sing and memorize. In particular, there are many records of song forms in Korean medical books, which have been used in various fields such as herbal medicines, acupuncture points, and diagnosis. Although Yosandang is not a widely known medical book, it is meaningful in that it shows a cross section of late Joseon Korean medicine. So, this paper considers rhymes of herbal medicine in Yosandang. Yosandang is a medical book of the late Joseon period written by doctor Byun Gwangwon in 1806. This book consists of 6 books and 14 volumes, 13 of which are rhymes of herbal medicine. The rhymes of herbal medicine in Yosandang is 7 words-2 phrases form for the first time in Korea. This is almost 80 years earlier than the same form of Bangyakhabpyeon (『方藥合編』). The first part of rhymes of herbal medicine in Yosandang is considered to refer to the rhymes of herbal medicine in Jejungsinpyeon (『濟衆新編』), and the last part seems to be based on the contents of Donguibogam (『東醫寶鑑』). In other words, rhymes of herbal medicine in Yosandang could be considered as the result of trying to contain herbal medicine knowledge as a new 7 words-2 phrases form based on the Jejungsinpyeon (『濟衆新編』) and Donguibogam (『東醫寶鑑』). Unlike the previous rhymes of herbal medicine made during the compilation of medical books led by the late Joseon government, the rhymes of herbal medicine in Yosandang is a new type of rhymes created based on individual efforts in the early 19th century. It has a medicine historical significance in that it can show some aspects of Korean medicine in the late Joseon period.

• The Korean Journal of Archival Studies
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• no.17
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• pp.39-84
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• 2008

In this article, how the records were compiled, stored and managed during the latter half period of the Joseon dynasty is examined. In details, the compilation of and and Euigwe, the establishment of 'history chambers(史庫)' and the Wae-Gyujanggak facility, and the creation of records such as 'Shillok Hyeongji-an', are all investigated. Examination of all these details revealed that in the latter half period of the Joseon dynasty, it was the royal family which actively led the task of meticulously compiling records and also storing & managing those established materials with great integrity and passion. The intention behind creating all these records containing everything the kings said and done over centuries must have been determination to enhance the openness and integrity of politics in general, while also emphasizing the importance of such values inside the government. In order to establish a tradition preserving records not only for a limited time period but also for eternity, 'history chambers' were founded in rocky mountain areas, and additional chambers(Wae-Sago) were created as well, in areas deemed strategically safe in military terms such as the Ganghwa-do island. Officials put in charge by the king himself of historical documenting reported to the history chambers on a regular basis and checked the status of the materials in custody, and the whole checking process was documented into a form called 'Shillok Hyeongji-an'. And for long-term preservation of materials, officials sent by the king regularly took all the materials outside, and conducted a series of 'desiccating procedures', under strong sunlight('Poswae'). Thanks to the efforts of our ancestors who did their best to preserve all the records, and tried everything to manage them with great caution, we can examine and experience all these centuries-old materials, mostly intact. It is imperative that we inherit not only the magnificent culture of creating and preserving records, but also the spirit which compelled our ancestors to do so.

• The Korean Journal of Archival Studies
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• no.23
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• pp.257-297
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• 2010

The U. S. government has a long history to classify and manage governmental records which are created, collected, and preserved for itself. During the colonial period before the independence, the U. S. mostly practiced the maintenances of secret records and restrictions of access to the records following a long convention without any specific legal authority. Since establishment of the U. S. Constitution, the government had kept secret records on the basis of constitutional authority. However, the U. S. government began to take shape the secret records management system when it participated in the World War I, which required the system to reflect the needs in reality to manage drastic increases in important military and foreign relation documents. The World War II made the U. S. government strengthen its secret records management system, and its conception of secret records management system at that time has sustained until now. It can be said that the current secret records management system of the U. S. government continues to be managed by constitutional authorities and the executive orders which are opt to change. This article intends to review the secret records management system of the U. S. from the initial history of the U. S. to the Cold War. To understand its system of secret management, the paper investigates the U. S. secret records management history by dividing into three periods: the period of establishment of its tradition(the Colonial era~just before the WWI); the period of taking shape of its system (the WWI~the WWII); and the period of current conception of its system. The criteria of these divisions are created based on the differences of the laws relevant to the secret records and the application methods of secret management system in reality.

• The Journal of the Korea Contents Association
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• v.19 no.8
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• pp.332-344
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• 2019

Based on the life of the furniture is to reflect a region and the important basis of ideological and cultural characteristics of The Times culture form the traditional concept of directly determine the style and features of furniture. Due to the geographical location, China and the Korean peninsula have a long history of cultural exchanges. Through long-term exchanges, Chinese traditional culture has penetrated into the daily life of the ancestors of the Korean peninsula in various ways. As one of the traditional Chinese cultures, Taoism began to spread in The Three Kingdoms period on the Korean peninsula. With the integration and development of Taoism on the Korean peninsula, Taoism culture with unique characteristics of the peninsula was formed and became part of the traditional ideological and cultural life of the ancestors on the peninsula. In the historical development of furniture on the Korean peninsula, Taoist theories such as yin-yang theory and five-element theory and geomantic geography theory have exerted an important influence on the use, shape, material and pattern of traditional furniture on the Korean peninsula. The late period of the joseon dynasty was the heyday of the handicraft industry on the Korean peninsula. During this period, the categories of furniture increased, and a large number of furniture with distinctive Taoist characteristics, beautiful shape, excellent design and different uses appeared. Through the study on the modeling, materials, patterns, seals and designs of furniture in the late period of joseon dynasty, this study confirms that Taoist thoughts are one of the main factors affecting the development of Korean traditional furniture forms and patterns. Using patterns of various natural objects or plants and animals for furniture design, it is to pray for family members to avoid disasters and disasters. Thus it can be seen that praying for blessings from heaven is the main Taoist thought.

• Journal of Korea Water Resources Association
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• v.52 no.6
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• pp.381-395
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• 2019

The purpose of this study is to predict agricultural reservoir storage rate (RSR) in a month. This algorithm was developed by multiple linear regression model (MLRM) which included the past 3 months RSRs data and the future climate change scenarios. In order to improve use of predicted RSR, this study need the severe criteria in terms of drought. So, the predicted RSR was indexed as the 3 months reservoir drought index (RDI3) and then it was disaggregated into drought duration, severity, and intensity. For the future RSR estimation by climate change scenarios, the 6 RCP 8.5 scenarios of HadGEM2-ES, CESM1-BGC, MPI-ESM-MR, INM-CM4, FGOALS-s2, and HadGEM3-RA were used in three future evaluation periods (S1: 2011~2040, S2: 2041~2070, S3: 2071~2099). The future S3 period of HadGEM2-ES scenario which has the biggest increase in precipitation and temperature showed the largest decrease to 60.2% among the 6 scenarios compared to the historical RSR (1976~2005) 77.3%. In contrast, INM-CM4 scenario which has smallest changes in precipitation and temperature in S3 period showed the smallest decrease to 72.8%. For the CESM1-BGC and MPI-ESM-MR, FGOALS-s2, and HadGEM3-RA, the S3 period RSR showed 72.6%, 72.6%, 67.4%, and 64.5% decrease respectively. The future severe drought condition of RDI3 below -0.25 showed the increase trend for the number and severity up to -2.0 during S3 period.

• (The)Study of the Eastern Classic
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• no.32
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• pp.159-187
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• 2008

This article aims to investigate the change of theories of reading and its historical meaning in the later Joseon period. Three scholar who left major theories of reading are mainly analyzed for the sake of it. Park, Se-chae(1631-1695) was a Neo-Confucianist who had the theory of reading named Dokseo-Gungliron(讀書窮理論). It was totally based on the scheme of Neo-Confucianist instruction and concentrated on mastering the moral principles with relishing the sentences of the Confucian Canons. Jeong, Yak-yong(1762-1836) was a Practical learning scholar and then criticized the moral-centric theory of reading of Neo-Confucianism. He valued much of the Confucian Canons but also focused on erudite reading so as to enlarge practical knowledge. Hong, Gil-ju(1786-1841) was a stylist and presented a severe criticism against Neo-Confucianist theory of reading as much. He thought that what we could realize with reading are the principles of the individual, not of the whole. The change of theories of reading in the later Joseon period as above reveals us the fact that the intellectual history of that period was in the process of dynamical change.