• Korean Journal of Human Ecology
• /
• v.18 no.5
• /
• pp.985-994
• /
• 2009

This research is exploratory in considering the unique socio-cultural context of South Korea, where the present government is responding to the demand for English language training. The study asked the question: What do mothers experience when sending their young children to a private English institute, so called English kindergarten, instead of a regular preschool? A qualitative approach was used to analyze the in-depth interviews with 19 mothers who sent their young child to an English kindergarten. Mothers stated that their young child needs to be a competent English speaker. The mothers expected that an English kindergarten would prepare their child better for the elementary school English curriculum than a regular preschool. The study revealed that English kindergartens symbolized the precedence and the privileges of the elite because of their high tuition fees, native-speaker teachers, and small class sizes. The mothers showed a sense of pride and vicarious satisfaction from sending their child to an English kindergarten. However, the mothers recognized that English kindergartens put more emphasis on cognitive learning instead of the social development of children. It was almost impossible for mothers to communicate with the native-speaker teachers about their child. The mothers seemed to overlook their child's struggle to adapt to an English Kindergarten. The findings of the study raise issues concerning the boom of teaching young children English in Korea.

• Journal of the Korean Society of Manufacturing Process Engineers
• /
• v.18 no.5
• /
• pp.90-95
• /
• 2019

This study aims to gain the design data through the process design of the organic Rankine cycle, which can produce 250kW of electric power through waste heat recovery. In this study, a simulation was conducted using APSEN HYSYS to make the model for the process design of the 250kW-class waste heat recovery system. For the thermodynamic model, the test was conducted with hot water as the heat source, the water steam as the cooling water for the cooler, and the refrigerant R245FA in the cycle. In the final design, it was expected and found from the simulation that the cycle efficiency was 12.62% and that 250kW of power was produced considering the margin of 80%.

• Tuberculosis and Respiratory Diseases
• /
• v.68 no.1
• /
• pp.29-33
• /
• 2010

Strongyloides stercoralis is an intestinal nematode that is a parasite to humans. The infecting filariform larvae of S. stercoralis enters the host body via the bloodstream, passes through the lungs, penetrates the alveoli, and then ascends the airway to transit down the esophagus into the small bowel. The infection can persist for decades without causing major symptoms and can elicit eosinophilia of varying magnitudes. Of note, this infection can also develop into a disseminated, often fatal, disease (hyperinfection) in patients receiving immunosuppressive corticosteroids. A 65-year-old man who was receiving corticosteroid therapy for the treatment of spinal stenosis was admitted to the emergency room with complaints of abdominal pain and severe dyspnea. We detected many S. stercoralis larvae in the sputum and in the bronchoalveolar-lavage sample collected by bronchoscopy. Here, we report a fatal case of strongyloidiasis with acute respiratory failure and intestinal perforation. In addition, we provide a brief review of the relevant medical literature.

• Journal of Forest and Environmental Science
• /
• v.38 no.3
• /
• pp.159-173
• /
• 2022

Genus of Rhododendron has been used in traditional medicine since ancient times and is known to be effective in immune function, inflammation, and cold symptoms. And the reason for this activity is the flavanonol type among flavonoids in the genus of Rhododendron. Among the flavanonol types, Taxifolin-3-O-arabinopyranoside was isolated from the root of native R. mucronulatum in Korea, and the structure was finally identified through HPLC, LC-MS/MS, ¹H-NMR, and ¹³C-NMR. Taxifolin-3-O-arabinopyranoside is a compound mainly found in R. mucronulatum, a representative species of the genus of Rhododendron, and exhibits antioxidant, anti-inflammatory, and anti-atopic activities. In this study, Taxifolin-3-O-arabinopyranoside was chemotaxonomic significant in 5 species of the genus Rhododendron native to Korea (R. mucronulatum, R. mucronulatum var. ciliatum, R. schlippenbachii, R. yedoense var. Poukhanense, R. japonicum for. Flavum). Compared with the existing literature, Taxifolin-3-O-arabinopyranoside was identified for the first time in 4 species of Rhododendron except for the R. mucronulatum.

• Korean Journal of Plant Resources
• /
• v.29 no.6
• /
• pp.670-678
• /
• 2016

We compared the germination rate of dehisced ginseng (Panax ginseng) seeds that were dried under two different conditions, slowly at $15^{\circ}C$ [relative humidity (RH) 10-12%] and rapidly under a laminar airflow cabinet at $25^{\circ}C$ (RH 22-25%). The measurements showed that drying rate and seed moisture content (SMC) play important roles in storage ability and vigor. The seeds that were dried rapidly at $25^{\circ}C$ showed high GR compared with the seeds that were dried at $15^{\circ}C$ after 6 and 12 months of storage at $-80^{\circ}C$ irrespective of MC. Seeds dried slowly at $15^{\circ}C$ with MC higher than 7.0% showed high GR maintenance after storage at $-18^{\circ}C$ and at $4^{\circ}C$ in comparison with rapidly dried seeds. However, the GR of the slowly desiccated seeds decreased as mean SMC was reduced to less than 5.0%, whereas the rapidly dried seeds were distinguished by significantly high GR irrespective of the storage conditions. The ginseng seeds desiccated under different conditions showed differences in storage performance. Seeds with 7-9% MC that were dried slowly at $15^{\circ}C$ for 5-7 days showed high GR after $4^{\circ}C$ and $-18^{\circ}C$ storage; however, longer periods of desiccation decreased the germination level remarkably compared with that of rapidly dried seeds.

• Proceedings of the Korean Society of Crop Science Conference
• /
• 2017.06a
• /
• pp.288-288
• /
• 2017

The seeds of soybean (Glycine max) were treated with different storage temperature for this study. The seeds of 3 accessions of soybean varieties in aluminum foil pack were used as materials. Storage temperature applied were $-18^{\circ}C$ and room temperature and seed banking (input after 3 days from output) frequencies were every 1, 6, and 12 month respectively for 9 years of storage period. As results seed banking frequency no affected to germination rate and seed moisture contents at $-18^{\circ}C$ storage room for seeds of soybean after 9 years. Germination rate of soybean seeds was changed from 96.2 % to 95.6 % averagely after 9 years of freezing ($-18^{\circ}C$) storage period. There were no differences in decreasing rate by number of seed banking frequency in soybean seeds. On the other hand, at room temperature germination rate of soybean seeds was decreased from 96.2 % to 27.3 % after 9 years which was decreased sharply to 55 % of initial viability after 6 years. The average rate of annual decrease of germination rate in soybean seeds was 38 % of initial viability at room temperature. Initial moisture contents of soybean seeds were 7.3 % and changed to 7.1 % at $-18^{\circ}C$ while it changed from 7.4 % to 7.0 % at room temperature after 9 years of storage period.

• Toxicological Research
• /
• v.12 no.1
• /
• pp.47-52
• /
• 1996

The renal toxicity of the extract of Polygalae Radix was investigated in rats. Rats were treated with 3.5 mg/Kg of the extract, i.p., for 7 days. Changes in consumatory behavior, 24 hour-urine and the activities of urinary enzymes were determined during the administration of the extract. Significant decrease in body weight and food consumption and increase in 24 hour-urine volume were observed during the administration. However, the quantity of total creatinine in urine was decreased significantly. Those indicate that subacute treatment with the extract might induce diuresis and the ditiresis might be due to the decrease in water reabsorption. In the activities of urinary enzymes, the activities of alanine aminopejotidase (AAP) and gamma-glutamyl transpeptidase (GGT) were increased 4.3 and 3.5 times and then returned to the control. The activity of N-acetyl-${\beta}$-D-glucosaminidase (NAG) was increased 7.2 times and then decreased slowly. But, it was significantly higher than that of the control evea after the last administration. The activity of factate dehydrogenase (LDH) was increased continuozlsly during the treatment. It showed 32 times higher than the control. These results suggested that the extract of Polygalae Radix had toxic effect on kidney. Furthermore, the result suggested that the subacute administration of the extract induced resistance against the toxicity of Polygalae Radix.

• 한국문화재보존과학회:학술대회논문집
• /
• 2005.11a
• /
• pp.207-212
• /
• 2005

• Journal of Sasang Constitutional Medicine
• /
• v.16 no.2
• /
• pp.134-138
• /
• 2004

1. Objectives In general, arthropathy is treated with conservative method or only observed. Recently, I have effectively treated one patient with chronic arthropathy caused by loose body using constitutional method. So, I would like to report about this case. 2. Methods Consulting her Sungjeong(性情), Chehyungkisang(體形氣像) and QSCC II, I diagnosed her as Taeumin and treated her with Taeumjowi-tang(太陰調胃湯) plus jejo etc. 3. Results After treatment she felt her symtoms-pain, edema, stiffness of joint improved. 4. Conclusions This paper describes the process of management and changes of symptoms. I hope this paper useful to rehabilitatable treatment for arthropathy through Sasang Constitutional Medicine.

• Journal of Korean Clinical Nursing Research
• /
• v.25 no.1
• /
• pp.25-33
• /
• 2019

Purpose: This study was done to develop a program to promote maternal role confidence and maternal attachment for mothers of premature infants and to evaluate the effects in a neonatal intensive care unit (NICU). Methods: This program was developed through a literature review and validation of an expert group, and tested with 60 preterm infants (experimental group 30, control group 30) in a NICU in South Korea. Data were collected from December 2017 to March 2018 and analyzed using descriptive statistics, t-test, $x^2-test$ and Fisher's exact test with the SPSS/Win statistical program. Results: Maternal role confidence for the experimental group increased significantly compared to the control group (t=3.22, p=.002). Maternal attachment in the experimental group increased significantly compared to the control group (t=2.30, p=.025). Conclusion: The program developed in this study should be effective in promoting maternal role confidence and maternal attachment in mothers of premature infants.