• Journal of Korean Medical classics
• /
• v.3
• /
• pp.218-247
• /
• 1989

As mentioned above, I got the next conclusion since I had considered the medical contents of the ancient period(上古時代) and the era of the old-Korea(古朝鮮時代) through several bibliographic records. 1. There were Pung-baeg(風伯), Uh-sa(雨師), Un-sa(雲師) that were the names of the governmental officials during the ancient period of Whan-ung(桓雄). Among them, Uh-sa specially managed the treatment for diseases. When we think of the significance of Pung(風)-which means the winds, Uh(雨)-which means the rain, Un(雲)-which means of clouds, we will find out that the human life will be affected by all kinds of phenomena of the nature. So I can infer that ancestries could prevent and treat diseases with adjusting them tn the changes in the weather. 2. There were five government officials(五事) in the ancient period of Whan-ung(桓雄上古時代). They are Uh-ga(牛加), Ma-ga(馬加), Ku-ga(狗加), Cheo-ga(猪加) and Yang-ga(羊加), and had charges of five important duties. Among them, Cheo-ga was set to a charge of treatment for diseases. So we can notice that there existed people who treated for diseases professionally. When we think of the meanings of Uh(牛)-which intends cows or bulls. Ma(馬)-which intends horses, Ku(狗)-which intends dogs, Cheo(猪)-which intends wild boars and Yang(羊)-which intends sheep, we can see that livestocks would be raised at that time, and they came to have more chances to digest meat. Since the digestion of meat became to be a burden on the stomach and the intestines, it might cause a lot of indigestive troubles. 3. When I compared Tan-gun Pal-ga(檀君八加) with the Oh-ga(五加) in the ancient period of Whan-ung(桓雄上古時代), I could tell that the community of Tan-gun's period is more advanced and specialized than one of Whan-ung's. When I think of the next sentence ; "The Prince Imperial, Bu-u(夫虞) become to be a Ro-ga(鷺加), who treat for diseases professionally.", I am sure that the treatment for diseases was more importment than any other things, because he was the third son of Tan-gun(檀君). 4. According to Tan-gun(檀君) mythology, Whan-ung(桓雄) came down from the heaven of the pure Yang(純陽) to the earth and then changed into a man who had had more Yang(陽) than Yin(陰). And a bear came up from the underground(or the cave) to the ground and then changed into a women who had had more Yin(陰) than Yang(陽). So both of them became to hold together. This story implicated that ancestors had taken a serious view of each of them, namely the ancestors didn't give the ascendance to the one side of them, and made much account of the mutual harmony. So I am sure that this fact coincided with the basic theories of oriental medical science. To refer to two proverbs of Tan-gun mythology that are "Ki-Sam-Chil-Il(忌三七日)" which means caring for twenty one days, and "Pul-Gyon-Il-Gwang-Baeg-Il(不見日光百日)" which means keeping indoors for one hundred days, I can tell you that "twenty-one-day" involves the principle of the birth of life, and "one-hundred-day" contains a preparatory period or the period of death to bear another life. 5. From the medical stuff, such as wormwood(艾), garlic(蒜), or wonder-working herbage(靈草), that had been written at the bibliographic papers of the ancient period(上古時代) and the era of the old-Korea(古朝鮮時代), I consider that many people might get a lot of women's diseases, indigestive troubles, and other diseases that were caused by the weakness, but with using various spices, such as the leaves of water pepper(蔘), they could prevent the occurrance of all kinds of diseases previously. So I regard this treatment as the medicine from food. 6. One of the sayings at Nae-gyong(內經) is that "The stone accupuncture(砭石) came from the orient." We can see both "wonder-wor-king wormwood(靈草)" and "dried wormwood(乾艾)" in the several bibliographic papers of the ancient history of the old-Korea(朝鮮上古史). From these records, I can be convinced that ancestors would utilize the acupuncture(針) and the moxa cautery(灸) to cure a patient of a disease. 7. Even though someone claimed that the book, "medical science and chemistry(醫學化學)" and "medical treatment(醫學大方)" had had been written during the ancient period of the old-Korea(上古朝鮮時代), such a fact can't have been ascertained historical evidence. But it has been handed down that there existed the original phonetic alphabet, such as the "Ka-Im-To alphabet(加臨土文字)" at that time. The terms about the diseases, which had been occurred at the community of the old-Korea(古朝鮮地域), were recorded fragmentarily at other records after that time. The origin of confucianism came from the race of the eastern barbarians, and Tae-Ho-Pok-Hi(太嗅伏義) and the king. Sun(舜) came from the eastern barbarians, too. The divination of tortoise shells at the country of Un(殷) is another from which was developed at the eastern barbarians' fortune-telling of animal bones. From these facts, I can infer that, by all means, they might record the medical knowledge which had been stored for thousands of years while contacting with china directly.

• Journal of Conservation Science
• /
• v.18 s.18
• /
• pp.75-88
• /
• 2006

This study tries to find out the properties of soft ind hard white wares of white wares from Dudong-ri in a scientific way, especially by meant of physical chemical analysis, microstructural observation. As a result, In the physical analysis, soft white wares are found to have higher absorption and porosity. In the composition analysis, the chemical property, of body and glaze, shows that the composition of them varies with excavation areas. However, no clear difference is identified between the soft and hard white wares which are from the ssme kiln. The microstructural observation visibly shows the difference of hard and soft white wares which it verified in the physical property Minerals with round pores and vitrified feldspar are observed in the body of hard white wares, but no vitrified particles but widely distributed pores with long and sharp irregular shapes are found in the body of soft white wares. In conclusion, the hard and soft white wares from Dudong-ri kiln are mainly influenced by physical property and microstructural rather than chemical composition and firing atmospheres. However, more and various comparative studies are needed since the resources with various physical properties vary among kilns of each production area.

• Journal of The Korean Association For Science Education
• /
• v.29 no.6
• /
• pp.741-750
• /
• 2009

Modem science education was introduced to Korea in the enlightenment period. The science textbooks which were published at that time were important to modem science education in Korea. Therefore, the translators and publishers of science textbooks were the leader of the science education in the enlightenment period. Hyun Chae and his son as a translator were one of the leaders in science education at that time. Hyun Chae was born to a Middle class (中人)family and succeeded to pass the national examination for translators (譯科). He worked as a translator and author at the Ministry of Education (學部). Also, he was the associate teacher in a foreign school and the Hansung normal school (漢城師範學校). He published 26 books. One of them, Rikwa (理科) as the science textbook covering all the areas of science, physics, chemistry, biology and earth science. That presented the knowledge, which students should know by proper method, induced students' interest and included various experiments. Hyun Chae's activity in science education as the author and translator of science textbooks was an important role on the forming science education in the enlightenment period because it was caught short of science textbooks. The author, translator, and publisher of science textbooks was of great significance to make science popular, which was the new culture. Therefore, the role and activities in science education of Hyun Chae was a part of the history of science education, he knew a foreign language and was the leader in facilitating exchange with foreign countries.

• Journal of Veterinary Clinics
• /
• v.28 no.3
• /
• pp.314-317
• /
• 2011

A 16-year-old, spayed female, Maltese dog weighing 4.3 kg was presented with a 2-week history of yellowish nose-and oral-discharge, anorexia and lethargy. In physical examination, indefinite ulcerative mass about $3{\times}3$ cm in size in the left sublingual region, severe gingivoperiodontitis, halitosis, moderate dental calculus, fever and swelling of mandible soft tissue were noted. In radiographic view, periodontitis and bone lysis findings on the left rostral part of maxilla and mandible were observed. In complete blood count and blood chemistry test, thrombocytosis, increased levels of serum $NH_3$, AST and ALP were obtained. Urinalysis revealed hematuria and proteinuria. In histological examination, squamous cell carcinoma was diagnosed. No surgery was performed, but combined treatment with carboplatin and piroxicam was initiated. Five days after initiation of medication, because of insistent vomiting, piroxicam was substituted to meloxicam. Although the therapeutic efficacy of meloxicam could not be known; administration of meloxicam might be less potential to gastrointestinal side-effects than piroxicam. The dog totally received 3 times of carboplatin infusion. Five days after third infusion of carboplatin, the dog was hospitalized with severe lethargy, vomiting and bloody diarrhea. In examination, severe renal failure signs were noted, and the dog was euthanized.

• Korean Journal of Plant Taxonomy
• /
• v.40 no.1
• /
• pp.1-15
• /
• 2010

Recognizing a basal group in a taxon is one of the most important factors involved in understanding the evolutionary history of that group of life. Many botanists have suggested a sister to all other angiosperms to understand the origin and rapid diversification of angiosperms based on morphological and fossil evidence. Recent technical advances in molecular biology and the accumulation of molecular phylogenetic data have provided evidence of the extant basal-most angiosperm which is a sister to all other angiosperms. Although it is still arguable, most plant taxonomists agree that Amborella trichopoda Baill., a species (monotypic genus and monotypic family) distributed in New Caledonia, is a sister to all other extant angiosperms based on evidence from the following molecular approaches: 1) classical phylogenetic analyses based on multiple genes (or DNA regions), 2) analyses of a tree network of duplicated gene families, and 3) gene-structural evidence. As an alternative hypothesis with relatively minor evidence, some researchers have also suggested that Amborella and Nymphaeaceae form a clade that is a sister to all other angiosperms. Debate regarding the basal-most angiosperms is still ongoing and is currently one of the hot issues in plant evolutionary biology. We expect that sequencing of the whole genome of Amborella as an evolutionary model plant and subsequent studies based on this genome sequence will provide information regarding the origin and rapid diversification of angiosperms, which is Darwin's so called abominable mystery.

• Journal of Conservation Science
• /
• v.27 no.1
• /
• pp.115-121
• /
• 2011

A Urethane resin restoration material was made to be used in the restoration of stone cultural assets. The Urethane resin restoration material showed strong adhesive strength and tensile strength similar to epoxy recovery material, which had been mainly used for the recovery of stone cultural assets. The sealing property, anti-shrinking property and paint-ability of Urethane resin restoration material are also similar to existing epoxy system restoration materials. Especially, this Urethane resin restration material is expected to give permanence and continuous stability in the restoration of cultural assets made in stone by resolving the two big issues of existing epoxy recovery material, which are 'yellowing' and 'ir-reversibility'. This Urethane resin restration material had been directly applied as a filling material and adhesive and it was dissolved again. The Urethane resin, which had been used for the recovery, was able to be perfectly removed, which means that this Urethane resin recovery material has perfect reversibility. This Urethane resin restoration material also has enhanced convenience since user can adjust the working-life dependent on work environment. It is believed that this Urethane resin restoration material can also be used as a filling material or adhesive for other cultural assets made of ceramic or metal heritage, in addition to stone, since it has strong adhesive strength and tensile strength.

• Journal of the Korean earth science society
• /
• v.22 no.2
• /
• pp.75-88
• /
• 2001

From 1905 to 1910 when the deepening national and educational crisis existed, the Korean intellectuals established many educational associations and published many academic journals. In this study, the researcher investigated 9 academic journals which had 132 books published by these educational associations in Korea during the Modern Educational Period (1876${\sim}$1910). The results of this study were summarized as follows : (1) The contents of journals mainly consisted of the Korean history and geography for the purpose of increasing Korean people's identification. And also the journal articles dealt with the western political and economic systems. In addition to these contents, the journals included many scientific studies which were aimed at educating the ordinary Korean people. (2) The scientific articles from these journals were mainly composed of earth science and biology including physiology, while the number of articles for physics and chemistry was less. (3) These scientific articles were published by the same writer in a series .However, the academic level of these was like a school textbook. Based on the results of the data analysis, it is believed that these journal articles possibly were used as a school textbook for science education.

• Journal of The Korean Association For Science Education
• /
• v.33 no.2
• /
• pp.345-358
• /
• 2013

In this study, we investigated the current status of the teacher education curriculum and the recruitment of general science teachers, and the ways to improve them as suggested by Professors from the Department of Science Education. Most science education departments have not required double majors in general science, and there are wide differences in the number of students who take the general science programs. There is not any department that requires science courses other than its own science major courses when students get only their own in-depth science major certificate. A few departments provide integrated science courses such as history of science, scientific creativity, integrated science, and so forth. Most professors revealed negative perceptions toward 'a compulsory requirement of double majors in general science' with other in-depth science majors such as physics, chemistry, biology, and earth sciences. The majority of professors also suggested providing elective courses in integrated science-related subjects. Regarding general science majored teacher employment, most professors did not agree with separate employment for the general science teacher, although they agreed with the necessity of the general science teaching certificate. They also suggested that preservice teachers need to take science courses other than their own specialized science majors for the in-depth science teaching certificate. Based on the results, we suggested ways to improve the teacher education curriculum and the recruitment of general science teachers.

• Journal of The Korean Association For Science Education
• /
• v.34 no.6
• /
• pp.549-558
• /
• 2014

Integrated concepts that are broad enough to embrace facts, principles, laws, and concepts of multiple disciplines could become the core of integrated education. Integrated concept-centered education enables effective and practical learning. In this study, the Delphi Method was implemented targeting experts in science (physics, life science, chemistry, and earth science) and humanities (history, geology, economics, ethics, and politics) to find out the integrated concept that can be used to design the concept-centered integrated education in the Republic of Korea. 124 experts participated in this survey. Delphi survey was conducted for three rounds. In the first round, an open questionnaire was given to experts to collect feasible integrated concepts in each major field. Then, in the second round experts were asked to select integrated concepts that could be used practically in the field of their major. In the third round, the integrated concept with selection frequency over medium value were given. They were asked to evaluate the applicability of integrated concepts by using the Likert-scale questionnaire. Through this process, content validity was analyzed. As a result, five integrated concepts (change, interaction, space-time, energy, and equilibrium) were selected for the inter-science integration. And thirteen integrated concepts (conflict, community, relationship, structure, power, diversity, culture, change, society, interaction, freedom, justice, and equality) were chosen for the inter-humanities integration. Finally, for the science-humanities integration, seven integrated concepts (structure, diversity, change, interaction, cycle, system, and environment) were determined.

• Journal of the Korea Society of Computer and Information
• /
• v.26 no.8
• /
• pp.209-220
• /
• 2021

The effect of body composition such as lean mass and fat mass on bone mineral density (BMD) is complex and still controversial. In this study, we investigated the relationship between body composition and bone mineral density using nation-wide data from 2008 to 2011 Korea National Health and Nutrition Examination Survey (KNHANES) in 2,139 men and 2,193 postmenopausal women aged 50 years or older. Subjects with history of medication for osteoporosis or with diseases or malignancy affecting bone metabolism were excluded. Data of anthropometric measurements and demographic characteristics were collected by trained examiner. Fasting blood sample was obtained for blood chemistry analysis. BMD of the lumbar spine, total femur, and femoral neck, and body composition such as total lean mass (TLM), total fat mass (TFM), truncal fat mass (TrFM) were measured using dual-energy X-ray absorptiometry (DXA). There were significant positive correlations between body composition indices such as lean mass and fat mass with BMD. In multiple regression analysis, TLM was positively associated with BMD after adjusting age, body mass index, monthly house income, education level, physical activity, daily calcium intake and vitamin D concentration in both men and postmenopausal women. BMD at lumbar spine and femur in lowest quartile of TLM was significantly lower than other quartiles after adjusting those confounding factors in both gender. TrFM was negatively associated with total femur BMD in male and femur neck BMD in postmenopausal women after adjusting confounding factors. In conclusion, TLM is very important factor in maintaining BMD in subjects aged 50 years or older in men and postmenopausal women.