• Title/Summary/Keyword: First full moon

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Korean Seasonal Costumes and Clothing Expressed in Novel, (한국의 세시풍속과 복식 -소설 <혼불>에 표현된 텍스트를 중심으로-)

  • 유지헌
    • The Research Journal of the Costume Culture
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    • v.11 no.5
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    • pp.697-710
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    • 2003
  • The Purpose of this study was to prospect new costume culture of 21st Century and to understand the meaning of clothing and clothing behavior which represent on Korean Seasonal Costumes expressed in novel, Honpul. The results were as follows; There are special Costumes in a Year. They are New year, First full moon, Servants day, making seasonings, Doo Rae, Wha-cheon Nori(enjoying blossoms) Costumes during spring season, Dan-Oh Costume in summer and Ya-Kwang-Gui(keeping shoes at all night), Su-Ya(overnight), Yeam-Bal(burning dropped hairs) Costume in winter season. There were many relationship with clothing in new year, Wha-cheon Nori and Servants day Costumes, but they only had adorning meaning without special symbolic or incantational meaning. Clothing and clothing behaviors in Seasoning making day Costume, Dan-Ho costume and Ya-Kwang-Gui, Su-Ya, Yeam-Bal Costumes contained practical meaning with incantational meaning. There were Servants day costumes and Doo-Rae Costumes for lower classes, New year and Wha-cheon Nori costumes for the higher classes. But the First full moon day costume was for both classes. This study will make us to grasp the meaning of clothing culture with Korean Seasonal Costumes, and be useful to measure the changes of Korean costume cultures.

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Influence of Moon Light to the Fishing of Pacific Saury Stick-held Dip Net Fishery (꽁치봉수망어업에 있어서 달빛이 어획에 미치는 영향)

  • Jo, Hyun-Su;Mun, Dae-Yeon;Baik, Chull-In;Lee, Ju-Hee;Kim, Hyung-Seok
    • Journal of the Korean Society of Fisheries and Ocean Technology
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    • v.41 no.2
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    • pp.107-112
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    • 2005
  • In order to investigate influence of moon light to the fishing of Pacific saury stick-held dip net fishery in the northwestern Pacific Ocean, casting number, catch and CPUE were analyzed between the full moon and the new moon phases. Based on analyses of data taken from 8 vessels during 1992~2002, casting numbers at the full moon phase and the new moon phase were 110.3 and 121.0 times, respectively, and the first was lower than the latter by 8.8%. Catches of the full moon phase were higher than the new moon phase by 12.5% and CPUE expressed in ton/day and ton/haul were also higher by 31.5%, 26.1% respectively.

ANALYSIS OF TIME DATA IN KOREAN ALMANACS OF 1913 - 1945

  • Lee, Ki-Won
    • Journal of The Korean Astronomical Society
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    • v.50 no.6
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    • pp.191-200
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    • 2017
  • We analyze the time data recorded in Korean astronomical almanacs for the years from 1913 to 1945, which belong to the period in which Japan occupied Korea (1910-1945). These almanacs, published by Japanese scholars, differ from previous almanacs in terms of organization, content, and calendrical methods. In this study, we first extract twelve kinds of time data from the almanacs at the following times: solar terms, rising and setting of the Sun and Moon, transit of the Sun, phases of the Moon (i.e., new Moon, first quarter Moon, full Moon, and last quarter Moon), and eclipses of the Sun and Moon. Then, we compare the time data with that obtained from modern calculations. Even though all time data in the almanacs are tabulated in units of minutes, we calculate the data in units of seconds and determine the root mean square (RMS) deviation values for each kind of time data to estimate the accuracy of the data. Our findings are as follows: First, the kind and tabulation method of time data changes several times. For instance, solar transit time is listed only for six years from 1937 to 1942. Second, the times of two equinoxes and those of a new Moon are considerably close to midnight. Third, there are some typographical errors in the almanacs, particularly in the times of moonrise and moonset. Fourth, the contact times for lunar eclipses represent the times of the umbra and not of the penumbra, which is different from the times for solar eclipses. Finally, the RMS deviation values are approximately 0.5 min on average in all kinds of time data, even though they show slightly large differences in the times related to the Moon. In conclusion, we believe that this study is useful for investigating the time data in the almanacs of other East Asian countries that were published during the same period, such as China, Japan, and Manchuria.

Estimation of CME 3-D parameters using a full ice-cream cone model

  • Na, Hyeonock;Moon, Yong-Jae
    • The Bulletin of The Korean Astronomical Society
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    • v.42 no.2
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    • pp.62.1-62.1
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    • 2017
  • In space weather forecast, it is important to determine three-dimensional properties of CMEs. Using 29 limb CMEs, we examine which cone type is close to a CME three-dimensional structure. We find that most CMEs have near full ice-cream cone structure which is a symmetrical circular cone combined with a hemisphere. We develop a full ice-cream cone model based on a new methodology that the full ice-cream cone consists of many flat cones with different heights and angular widths. By applying this model to 12 SOHO/LASCO halo CMEs, we find that 3D parameters from our method are similar to those from other stereoscopic methods (i.e., a triangulation method and a Graduated Cylindrical Shell model). In addition, we derive CME mean density (${\bar{\rho}_{CME}}={\frac{M_{total}}{V_{cone}}}$) based on the full ice-cream cone structure. For several limb events, we determine CME mass by applying the Solarsoft procedure (e.g., cme_mass.pro) to SOHO/LASCO C3 images. CME volumes are estimated from the full ice-cream cone structure. For the first time, we derive average CME densities as a function of CME height for several CMEs, which are well fitted to power-law functions. We will compare densities (front and average) of geoeffective CMEs and their corresponding ICME ones.

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A Study on Furniture Design Adopted from a Natural Phenomenon - Focusing on Symbolic Formativeness from the Changing Shapes of the Moon - (자연현상을 활용한 가구디자인 연구 - 달의 형태변화에 따른 상징적 조형성을 중심으로 -)

  • Park, Eun-Min;Yoon, Yeoh-Hang
    • Journal of the Korea Furniture Society
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    • v.26 no.1
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    • pp.12-21
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    • 2015
  • This is a study and work of furniture design adopted from a natural phenomenon, especially from the changing shapes of the moon. The drawer of furniture, a part frequently contacted with our hand (human body) is well related to the symbolism of the moon, which includes life conception and fertility. I created various forms of drawer handle shaped from the moon phases, which give a furniture design esthetical, symbolic and formative meanings. The characteristics of my drawer furniture designs are classified into 3 types. First, as the volumes of drawers increase, the handle shapes also change differently: old moon, crescent, half moon and full moon. Second, without keeping time order, drawers may have the same sizes with handles freely selected and arranged by formative accounts. Third, both increasingly changing type and freely selected and arranged type are combined to make a composite structure. In their simple geometric forms, these furnitures can provide nature intimacy, which fulfill the needs of our time.

First Job Waiting Times after College Graduation Based on the Graduates Occupational Mobility Survey in Korea

  • Lee, Sungim;Moon, Jeounghoon
    • The Korean Journal of Applied Statistics
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    • v.25 no.6
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    • pp.959-975
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    • 2012
  • Each year research institutions such as the Korea Employment Information Service(KEIS), a government institution established for the advancement of employment support services, and Job Korea, a popular Korean job website, announce first job waiting times after college graduation. This provides useful information understand and resolve youth unemployment problems. However, previous reports deal with the time as a completely observed one and are not appropriate. This paper proposes a new study on first job waiting times after college graduation set to 4 months prior to graduation. In Korea, most college students hunt for jobs before college graduation in addition, the full-fledged job markets also open before graduation. In this case the exact waiting time of college graduates can be right-censored. We apply a Cox proportional hazards model to evaluate the associations between first job waiting times and risk factors. A real example is based on the 2008 Graduates Occupational Mobility Survey(GOMS).

Effects of the lunar cycle in the catch composition and total catch of stationary lift nets in the coastal waters of Miagao, Iloilo, the Philippines

  • Vergara, Christopher John C.;Quinitio, Gerald F.;BAECK, Gun Wook
    • Journal of the Korean Society of Fisheries and Ocean Technology
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    • v.53 no.4
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    • pp.349-356
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    • 2017
  • The catch composition of commercially important species of the stationary lift net at Barangay Gines, Miagao, Iloilo, the Philippines was investigated from December 2013 to May 2014 during the different phases of the moon. A total of 486 kg of fish coming from 12 different genera, including mollusk and crustaceans, was caught and identified from the catch of the stationary lift net. Among the 12 genera identified from the catch of stationary lift net, anchovy (Stolephorus), sardines (Sardinella), squid (Loligo) and mysid shrimp (Acetes) were considered to be commercially important due to their value. Acetes catch was highest during the new moon in the month of January. Loligo catch was also high during the new moon except in the month of May. Stolephorus catch was also highest during the new moon except in the month of January. Sardinella catch was highest during the first quarter in the month of February. Full moon had the lowest catch all throughout the duration of the study while new moon had the highest catch during December 2013 to March 2014 and first quarter was the highest in the months of April and May.

A Study on Reducing Conduction Losses for High Speed Welding of Thin Plates (박판 고속 용접전원의 도전손실 저감에 관한 연구)

  • Bae, Jong-Moon;Kim, Joon-Hong
    • Proceedings of the KIEE Conference
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    • 2002.06a
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    • pp.166-171
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    • 2002
  • We are in transitional period of welding technique, which has changed from the stage of quantity and quality to the stage of future technique, imported and introduced from many advanced countries. Therefore, many researches and studies for development on high speeding and making welding machines with high effectiveness has been doing vigorously. In this dissertation, I have studied on a pulsed MAG welding machine, with which welding of thin plates may perform high speeding and effecting. First, I produced a phase shifted full bridge DC-DC convert, which is the type of reduced conduction loss and the power supply for welding machine. And then, I found out an output waveform control algorithm about one pulsed one droplet and short waveform control for thin plates with high speed by deriving the circuit model utilizing the circuit averaged method for full bridge converter.

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First Record of the Melon-headed Whale (Peponocephala electra) in Korean Waters

  • Kim, Hyun-Woo;Moon, Dae-Yeon;Choi, Seok-Gwan;An, Yong-Rock;Kim, Zang-Geun
    • Animal Systematics, Evolution and Diversity
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    • v.26 no.1
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    • pp.59-62
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    • 2010
  • First record of a stranded Melon-headed whale (Peponocephala electra) on the south-east coast of Korea was described. Full body and skull measurements were taken from the specimen. It was identified as P. electra by unique pointed flipper tips. Skull measurements of the specimen corresponded to condylobasal length proportions given in the previous descriptions of the holotype.

An Experimental Study on Seismic Reinforcement of Dry Type Buckling Restrained Braces Laterally Using Buckling Restrained Rings (좌굴방지링으로 횡지지된 건식형 좌굴방지가새 내진보강에 대한 실험적 연구)

  • Lee, Seon Jae;Moon, Hee Suk;Park, Byung Tae
    • Journal of the Earthquake Engineering Society of Korea
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    • v.26 no.4
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    • pp.165-172
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    • 2022
  • This study is conducted to verify the seismic reinforcement effects of internally inserted buckling-restrained braces supported laterally by buckling-restrained rings for the seismic reinforcement of existing reinforced concrete buildings with non-seismic details. First, to evaluate the performance of KDS, the hysteretic characteristics of buckling-restrained braces are verified, and it is discovered that they satisfy the conformance criteria of the displacement-dependent damping device. Three full-scale, two-story reinforced concrete framework specimens are prepared to verify the seismic reinforcement effects, and the proposed buckling-restrained braces are bolstered with single diagonal and V-shaped braces to be compared with non-reinforced specimens. By performing a comparison with non-reinforced specimens that present intensive shear cracks at the bottom of first-floor columns, it is revealed that the maximum load and energy dissipation of specimens reinforced with the proposed buckling restrained braces, in which the structural damage extends evenly throughout the system, are approximately 4 and 6.2 times higher, respectively, which proves the effectiveness of the proposed seismic reinforcement method.