• 대한한의학원전학회지
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• 제30권4호
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• pp.49-67
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• 2017

Objective : Heavenly stems and Earthly branches is a tool used for understanding the virtue of Yin Yang and Five elements. Korean medicine understands the changes in Wuyun through the Ten Heavenly stems, and understand the changes of Liuqi through the Twelve Earthly branches. An accurate understanding of the definitions of Heavenly Stems and Earthly branches and the concept of each of the 10 stems is of vital importance. Method : The paper first reviews the origin, history, and significance of the Heavenly stems and Earthly branches before studying the definitions of the stems and branches as laid out in the works of Yu Onseo, Lee Samun, and Han Dongseok. The paper then reviewed the concept of the each of the ten stems through researching the texts of Seoulmunhaeja, the annotations of the four great Seolmuns, and the texts of Jeongyeokwonui. Result & Conclusion : Heavenly stems and Earthly branches have been in use since more than 6,000 years ago. The central numbers in the changes of Heaven and Earth are five and six. Each number functions with duality, yin and yang, meaning there are ten Heavenly numbers ($5{\times}2=10$) and 12 Earthly numbers ($6{\times}2=12$) which oversees all of the cosmic changes. Stems become the body and signifies water. Branches become the use and signifies divided fire. The meanings of the letters Gab Eul Byeong Jeong Mu Gi Gyeong Sin Im Gye originate from the one year life of a tree which grows, bears fruits, processes Yang qi, and awaits for the next spring. The reason a tree is used is because there is nothing better in studying in detail the changes of a living being through a year.

• 대한한의학원전학회지
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• 제33권1호
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• pp.29-50
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• 2020

Objectives : Objectiveness and accuracy of numbers could allow for a new way of understanding the principle of Ten Heavenly Stems(THS) and Twelve Earthly Branches(TEB) when applied. Methods : The order of the THS and TEB, the Five phases of direction and change, conversion of other, conversion of self of the Stems and Branches were examined through numbers. Results & Conclusions : The numerical combination of the Stems and Branches depends on the identification of the Three Points. Conversion of self of the Heavenly Stems are as follows: for 甲 3+5=8, for 乙 8+4=12, for 丙 7+1=8, for 丁 2+8=10, for 戊 5+7=12, for 己 10+10=20, for 庚 9+9=18, for 辛 4+6=10, for 壬 1+3=4, for 癸 6+2=8. Conversion of self of the Earthly Branches are as follows: for 子 1+2=3, for 丑 5+5=10, for 寅 3+2=5, for 卯 8+4=12, for 辰 5+1=6, for 巳 2+8=10, for 午 7+7=14, for 未 10+10=20, for 申 9+7=16, for 酉 4+9=13, for 戌 5+6=11, for 亥 6+3=9. Here the Stems and Branches could be understood intensively. Among the Stems and Branches, the Great Points are 壬, 癸, 戌, 亥, 子, Emperor Points are 甲, 戊, 丑, 午, and Empty Points are 己, 未.

• Journal of Biosystems Engineering
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• 제27권4호
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• pp.283-292
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• 2002

Mechanical and physical properties of various parts of jujube (Zizyphus jojoba Miller) such as fruits, leaves, secondary branches, and leafy stems were measured and analyzed. The physical dimensions of the fruits were measured using a digital caliper, and the detachment force of the fruit and leafy stems was measured using a force gauge. The physical characteristics of the secondary branches such as the modulus of elasticity and the torsional rigidity were tested using a universal testing machine (UTM). The physical characteristics of leafy stems such as length and weight were also measured using a digital caliper and a digital scale, respectively. The detachment force of leafy stems and the area of the leaf also measured. The terminal velocities of the jujube fruits, leaves, and leafy stems were measured using a custom made terminal velocity experiment system. Diameter of the major and minor axis of the jujube fruit, weight of the fruit, and detachment force of the fruit stem was average of 32.02 mm, 23.92 mm. 10.0 ${\times}$ 10$\^$6/ ㎥, 8.99 g, and 5.43 N. respectively. The detachment forces of the jujube fruits increased and the force-to-weight ratio of the jujube fruits decreased as the weight of the jujube fruits increased. The modulus of elasticity of the secondary branches of the jujube was average of 7.01 ${\times}$ 10$\^$8/ N/㎡ and decreased as diameter of the secondary branches increased. The average torsional rigidity of the secondary jujube branches was 5.2 ${\times}$ 10$\^$-/ N/㎡, and the torsional rigidity decreased as the secondary branch diameter increased. The distribution of the torsional rigidity data associated with the diameter of the branches, however. widely scattered and it was difficult to find any relationship between the diameter of the branches and the torsional rigidity of tile branches. The weight of the leafy stems, number of loaves attached to the leafy stems, diameter of the stem side of the leafy stems, diameter of the leafy stem end was average or 0.7 g, 6.6 ea, 12.2 cm, 4.5 mm, and 2.7 mm, respectively. The major and minor axis of the .jujube loaves, area of leaves, weight of the leaves. and detachment force of the leaves was average of 5.7 cm, 3.3 cm, 12.98 cm$^2$, 0.20 g, and 4.39 N, respectively. The terminal velocity of the .jujube fruits increased as the weight of the fruits increased. The terminal velocity of the leafy stems, however, did not show a relationship with the weight of the leafy stems and the number of leaves attached to the leafy stem. The terminal velocity, however, slightly increased as the length of the leafy stems increased.

• 대순사상논총
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• 제42집
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• pp.109-141
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• 2022

빛과 어두움이 공존하는 것처럼 만물이 가진 두 가지 측면을 음양(陰陽)이라 한다. 초기의 음양 개념은 단순히 자연현상을 나타내는 표현에 불과하였으나 점차 우주 만물의 생성변화를 설명하는 중심개념이 되었다. 명리학(命理學) 또한 음양론을 기초로 하여 하늘과 땅을 천간(天干)과 지지(地支)로 나누어 이들의 상호관계를 살피는 것을 중요시한다. 본고는 주요 원전의 문헌연구를 통하여 천간과 지지의 상조(相助)와 상극(相剋) 관계에 관한 내용을 분석하여 그 공통점과 차이점을 정리하였다. 천간과 지지가 상조하는 개념에는 통근(通根)과 투간(透干)이 있다. 통근이란 천간에 있는 글자가 지지의 글자에 뿌리를 내렸다는 의미이며, 천간의 통근처(通根處)는 같은 오행의 삼합(三合)과 방합(方合)이 되는 지지이다. 통근력(通根力)을 보는 방법은 첫째, 통근한 자리로 보는데 일간(日干)은 월(月) > 일(日) >시(時> 년(年) 자리 순이며, 다른 천간은 월지>앉은 자리(천간의 바로 아래에 있는 지지 글자) > 가까운 자리(앉은 자리 좌우의 지지 글자) 순이다. 둘째, 통근한 지지 특성으로 보는데 록왕지(祿旺支)·장생지(長生支) > 여기(餘氣) >묘고(墓庫) 지지의 순이다. 투간(透干)은 통근과 그 주체가 바뀐 개념으로 지지의 기운이 천간에 발현된 것을 말하며, 지지에 감춰둔 오행이 밖으로 드러나서 제 역할을 할 수 있게 된다. 천간과 지지가 상극하는 개념에는 개두(蓋頭)와 절각(截脚)이 있다. 개두에 대하여 천간만을 위주로 보고 판단하는 시각과 천간이 지지를 극(剋)하는 관계로 보는 시각이 있어 다소 이견이 있지만 대다수는 천간이 지지를 극하는 것으로 보고 있다. 개두의 상대 개념인 절각은 지지가 천간을 극하여 천간의 기운을 약화시키는 것으로서, 이 둘은 조화롭지 못한 명조(命造)를 만들 가능성이 크다.

• 대한한방내과학회지
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• 제30권2호
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• pp.317-326
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• 2009

Objectives : This study investigated the correlation between the incidence by the climate of the day and the Stems and Branches(干支) of stroke patients. Methods : From January in 2000 to March in 2008, we studied 370 stroke patients hospitalized at Dongguk University Bundang Hospital. Each participant was investigated for the day's average temperature, the day's average air humidity, the day's average wind speed, and the day's Stems and Branches (干支) in oriental medical theory. Results: Concerning the day's average temperature, the group at a temperature under 18 $^{\circ}C$ had the highest risk. For the day's average air humidity, the group at over 60 % humidity showed a higher ratio of stroke. In respect of the day's average wind speed, the group at speeds under 2.26 $^m/s^2$ (the last 5 years average wind speed in Gyeonggi-do) had a higher risk. In the aspect of Stems and Branches (干支), stroke occurred more in Yin day(陰日) than in Yang day(陽日). In the view of the Five Circuits (五運), the Wood (木) was most common followed by Fire(火). Using the relation between Stems and Branches (干支), the mutuality cooperate pattern was more common than the mutuality control group and same characteristic group. Using the Theory of Five Circuits (五運) and Six Qi (六氣), the Fire group (火) showed the highest risk. The Wood group (木) came next. Conclusions : We could suggest that stroke attack might have some significant relationship with climate, stems, and branches in oriental medical theory.

• Animal Systematics, Evolution and Diversity
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• 제30권2호
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• pp.95-102
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• 2014

The four species of the suborder Holaxonia, Anthogorgia japonica Studer, 1889 of family Acanthogorgiidae, Astrogorgia rubra (Thomson & Henderson, 1906), Euplexaura attenuata (Nutting, 1910), and E. erecta (Kukenthal, 1908) of family Plexauridae have been newly recorded in Korea. They were collected from intertidal and sublittoral zones in the western and southern coasts and Jeju-do Island of Korea by SCUBA diving and fishing nets from 1969 to 2010. This study approaches holaxonians by focusing on external and internal morphologies including size, form, and color of colonies, branches, polyps, coenenchyme, axis, and spicules. Anthogorgia japonica is characterized by its planar growth form, dichotomously branched form, non-retractile polyps, and Astrogorgia rubra by arrangement of calyxes being situated in lateral side at stems and alternately in all sides at branches. Euplexaura attenuata is sparsely and laterally branched colony, and has straight wand-like stems. Euplexaura erecta has branches which run parallel to the main stem.

• 한국산림과학회지
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• 제77권3호
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• pp.283-293
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• 1988

산공재(散孔材)인 왕버들(Salix glandulosa Seemenn)과 환공재(環孔材)인 굴참나무(Quercus variabilis BI.)의 뿌리, 줄기 및 가지에 있어서 2기(二期) 목부조직(木部組織)을 해부학적(解剖學的)으로 비교관찰(比較觀察)하였다. 굴참나무의 뿌리의 도관분포(導管分布)는 줄기와 달리 산공형(散孔型)이다. 뿌리의 연륜(年輪) 경계(境界)는 양(兩) 수종(樹種)에서 대체(大體)로 불분명(不分明)하다. 도관요소(導管要素) 및 대섬유(大纖維)는 뿌리에서 제일 길고, 가지에서 가장 짧다. 또한 도관(導管)의 직경(直徑)은 뿌리, 줄기, 가지의 순(順)으로 좁아진다. 횡단면상(橫斷面上)에서 도관(導管)의 단위면적당(單位面積當) 분포수(分布數)는 가지에서 제일 많고 뿌리에서 가장 적다. 도관요소(導管要素)의 천공(穿孔)은 두 수종(樹種) 모두 단천공(單穿孔)이고, 천공판(穿孔板)의 경사각(傾斜角)은 뿌리, 줄기, 가지의 순(順)으로 작아진다. 접선단면상(接線斷面上)에서 방사조직(放射組織)은 뿌리가 줄기나 가지에 비(比)해 높은 반면(反面), 단위면적당(單位面積當) 분포수(分布數)는 뿌리에서 줄기나 가지에 비(比)해 적다.

• Journal of electromagnetic engineering and science
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• 제12권1호
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• pp.115-121
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• 2012

This paper presents a scattering model and measurements of backscattering coefficients for soybean fields. The polarimetric radar backscatters of a soybean field were measured using the ground-based X-band polarimetric scatterometer in an angular range from $20^{\circ}$ to $60^{\circ}$. The backscattering coefficients were also obtained using the COSMO-SkyMed (Spotlight mode, HH-polarization) from July to October 2010. The backscattering coefficients of the soybean field were computed using the 1st-order radiative transfer model (RTM) with field-measured input parameters. The soybean layer is composed of the stems, branches, leaves, and soybean pods. The stems, branches, and pods are modeled with lossy dielectric cylinders, the leaves are modeled with lossy dielectric disks. The estimated backscattering coefficients agree quite well with the field-measured radar backscattering coefficients.

• 혜화의학회지
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• 제26권1호
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• pp.33-48
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• 2017

Objective : Ten heavenly stems and twelve earthly branches are the important means to understand the orders of changes in heaven and earth. Method : We have so far looked into detailed explanations about twelve earthly branches in Seolmunhaeja, annotations in Seolmun of four major people, and commentaries in Jeongyeokwonui. Result & Conclusion : This can be also applied to the explanations of twelve early branches, as follows. In the $11^{th}$ month of the lunar calendar, the yang energy is finally born amid full of the ying energy. In the $12^{th}$ month, the yang energy prepares to break through the knots of the ying energy and gets ready to come out of the ground. In the first month, three kinds of the yang energy start to become vigorous and active. In the second month, the yang energy gains more force, sprouting various plants on the ground. In the third month, the yang energy arouse further, strengthening and growing plants. In the fourth month, all the yang energy is released, while the ying energy is still hiding. In the fifth month, one ying energy is born amid full of the yang energy, and there are interchanges between the yang energy and the ying energy. In the sixth month, the yang energy is still strong and vigorous, ripening the fruits in the fields. In the seventh month, the yang energy starts to hurt all creation. In the eighth month, the ying energy starts to flourish, and the yang energy starts to decline, diminishing all creation and, however, still ripening grains to be harvested. In the ninth month, one yang energy starts to hide from sight, not working its duty, while five kinds of the ying energy start to annihilate all creation. Finally, in the tenth month, the small yang energy hides to be rebirthed amid the flux and reflux of the ying-yang energy. The creative and unique interpretation of Jeongyeokwonui about twelve earthly branches is worth to be referred. It is definitely beyond the other existing explanations, as it incorporates trigrams and hexagrams from I Ching (Book of Changes) and the five primary substances.

• 한국자원식물학회지
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• 제22권4호
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• pp.287-292
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• 2009

최근 천연의 의약품과 식품에 대한 관심이 높아지면서 약리성분이 우수하여 수요가 증가하고 있는 겨우살이 [Viscum album var. coloratum(Kom.) Ohwi] 와 겨우살이의 기주식물인 상수리나무(Quercus acutissima Carr.)가지의 조직특성을 조사하고 인공재배 기초 자료로 활용하기 위하여 수행한 결과는 다음과 같다. 겨우살이 종자가 기주목에 부착되면 종자로부터 성장한 흡기가 수피를 뚫고 들어가 형성층 부위에서 왕성한 세포분열을 통하여 여러 갈래로 분지를 형성하며, endophyte가 수피 속에서 성장하다가 일정한 시기가 되면 수피 외부조직으로 발달하여 줄기와 잎으로 성장하였다. 겨우살이 기주목인 상수리나무의 가지는 심재화가 진행되지 않았지만 타일로시스가 부분적으로 발달한 것은 겨우살이 endophyte의 침투영향으로 생각된다. 겨우살이 줄기의 구성세포는 도관상 가도관, 후벽세포, 방사유세포, 축방향유세포로 구성되어 있으며 활엽수로 분류되지만 도관이 분포하지 않았고 도관의 역할을하는 도관상 가도관이 있는 것으로부터 기주목 도관의 벽공과 겨우살이 가도관의 천공부가 결합하는 것으로 생각된다. 겨우살이 줄기의 구성세포 분포비율은 수령이 증가함에 따라 후벽세포의 분포비율이 높았다. 겨우살이 조직은 일반 목본식물에 비하여 유세포의 분포비율이 높고 세포내에 많은 내용물을 포함하고 있었다.