• Korean Journal of Health Education and Promotion
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• v.14 no.1
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• pp.63-72
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• 1997

In order to develop the programme for the improvement of dental health among primary school children, epidemiological survey to examine dental caries status was conducted among primary school children in Changwon, Korea. We sampled 2 primary schools and surveyed children from first to sixth grade aged 6-11 years. All samples were 3,206 consisted of 1,715 males and 1,491 females. We assessed caries prevalence on permanent teeth. 1. Children with caries experience on permanent teeth were 15.1% at 1st grade, 48.2% at 2nd grade, 73.8% at 3rd grade, 75.6% at 4th grade, 76.8% at 5th grade, 77.4% at 6th grade. 2. Decayed, Missing and Filled teeth were 0.31 at 1st grade, 1.16 at 2nd grade, 2.12 at 3rd grade, 2.38 at 4th grade, 2.50 at 5th grade, 2.69 at 6th grade. 3. Decayed teeth among Decayed, Missing and Filled teeth were totally 63.4%. Filled teeth among Decayed, Missing and Filled teeth were totally 36.6%. 4. Community dental health programmmes including water fluoridation, fluoride mouth rinsing, use of fluoride-containing toothpastes and fissure sealants should be developed to prevent dental caries among school children. 5. School incremental dental care programme should be also developed to prevent and treat children's dental caries by use of dentists and oral hygienists.

• Pediatric Gastroenterology, Hepatology & Nutrition
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• v.8 no.1
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• pp.1-11
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• 2005

Purpose: The aim of this study was to evaluate the relationship between H. pylori infection and recurrent abdominal pain (RAP) in children and to evaluate the effects of eradication therapy on RAP. Methods: From January 1998 to January 2005, 166 children with RAP (61 male, 105 female) aged $10.0{\pm}3.3$ years were included. Upper gastrointestinal endoscopies were performed for all the patients. All H. pylori infected children (n=70) received the eradication therapy and were divided into two groups: Group Ia (n=52); eradicated, Group Ib (n=18); non-eradicated. H. pylori-negative children (n=96) were divided into three groups according to the medication: Group IIa (n=67); no medication, Group IIb (n=13); acid-suppressant, Group IIc (n=16); both acid-suppressant and antibiotics. Questionnaire for symptoms were asked at the first, 6th, 12th, 24th, and 36th months following the treatment (grade 0; completely resolved, grade 1; definitely improved, but there are occasional episodes of mild abdominal pain, grade 2; no change in the frequency and intensity of abdominal pain). Results: In about 90% of H. pylori positive children, RAP improved in the both H. pylori-eradicated and non-eradicated children in a follow-up survey. In about 75% of H. pylori-negative children, RAP also improved among in the three groups of patients regardless of medication. Conclusion: These results suggest that there was no correlations between improvement of RAP and eradication of H. pylori, and between improvement of RAP and medication. Consequently the reassurance that the children with RAP have no serious organic cause was important to improvement of RAP.

• Research in Mathematical Education
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• v.5 no.2
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• pp.87-98
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• 2001

The Center for Science Gifted Education (CSGE) of Chongju National University of Education was established in 1998 with the financial support of the Korea. Science & Engineering Foundation (KOSEF). In fact, we had prepared mathematics and science gifted education program beginning in 1997. It was possible due to the commitment of faculty members with an interest in gifted education. Now we have 5 classes in Mathematics, two of which are fundamental, one of which is a strengthened second-grade class gifted elementary school students, and one a fundamental class, and one a strengthened class for gifted middle school students in Chungbuk province. Each class consists of 16 students selected by a rigorous examination and filtering process. Also we have a mentoring system for particularly gifted students in mathematics. We have a number of programs for Super-Saturday, Summer School, Winter School, and Mathematics and Science Gifted Camp. Each program is suitable for 90 or 180 minutes of class time. The types of tasks developed can be divided into experimental, group discussion, open-ended problem solving, and exposition and problem solving tasks. Levels of the tasks developed for talented elementary students in mathematics can be further divided into grade 5 and under, grade 6, and grade 7 and over. Types of the tasks developed can be divided into experimental, group discussion, open-ended problem solving, and exposition and problem solving task. Also levels of the tasks developed for talented elementary students in mathematics can be divided into the level of lower than grade 5, level of grade 6, and level of more than grade 7. Three tasks developed and practiced are reported in this article.

• Journal of the Korean Society of School Health
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• v.22 no.2
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• pp.125-135
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• 2009

Purpose: This study is to identify the relations between alexithymia, emotional clarification, emotional expressiveness and somatic symptoms, and their effect on the elementary school students. Methods: This study targets 567 elementary school students and they are composed of 288 boy students and 279 girl students in 5th and 6th grade, and 283 in the 5th grade and 284 in the 6th grade. Results: In somatic symptoms, alexithymia, emotional clarification, and emotional expressivness, a significant difference is found. For the somatic symptoms and alexithymia, the subject in grade 5 show higher score than those in grade 6. For the emotional clarification, and emotional expressivness, the subjects in grade 5 show higher scores than those of grade 6. According to sex, only in emotional clarification, a significant difference is found between boys and girls and the girls show higher score that the boys. In looking at the correlations between alexithymia, emotional clarification and somatic symptoms, the somatic symptoms has positive correlations with alexithymia while it has negative correlations with emotional expressiveness. The alexithymia has negative correlations with emotional clarification and emotional expressiveness. It is found that the emotional clarification has positive correlations with emotional expressiveness. Conclusion: In respect to the effect of alexithymia, emotional clarification and emotional expressiveness on somatic symptoms, emotional alexithymia and emotional clarification have effect on somatic symptoms and emotional expressiveness has no effect on somatic symptoms.

• Korean Journal of Fisheries and Aquatic Sciences
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• v.52 no.6
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• pp.555-561
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• 2019

We examined the quality characteristics of four kinds of Alaska pollack Theragra chalcogramma surimi (APS), five kinds of golden threadfin bream Nemipterus virgatus surimi (GTS), and two kinds of giant squid Ommastrephes bartrami surimi (GSS) used in Korea. The volatile basic nitrogen contents of APS, GTS, and GSS increased with decreasing grade to 6.8-9.8, 5.5-8.3, and 143.5-177.7 mg/100 g, respectively. The Ca²⁺-ATPase activities of APS and GTS decreased with decreasing grade to 0.63-0.83 and 0.60-0.80 pi μmole/min/mg, respectively. The Ca²⁺-ATPase activity of RA-grade GSS was 0.82-0.91 pi μmole/min/mg. The whiteness values of APS, GTS, and GSS heat-induced gels were 54.0-71.4, 53.9-71.0, and 52.2-70.3, respectively, and that of both APS and GTS decreased with decreasing grade. The gel strengths of APS and GTS heat-induced gels were 412.3-769.4 and 280.2-456.5 g·cm, respectively, and decreased with decreasing grade. The total amino acid contents of SA-grade APS, SSA-grade GTS, and RA-grade GSS were 17,328.1, 17,965.0, and 14,846.8 mg/100 g, respectively, and the major amino acids were glutamic acid, aspartic acid, arginine, leucine, lysine, proline, alanine, and phenylalanine. The primary minerals were sodium (136.6-164.9 mg/100 g), potassium (45.7-160.4 mg/100 g), phosphorus (35.0-73.5 mg/100 g), sulfur (22.8-56.4 mg/100 g), and calcium (18.0-203.4 mg/100 g).

• Korean Journal of Veterinary Service
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• v.20 no.1
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• pp.27-35
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• 1997

An abattoir survey of pneumonia and other lesions in slaughtered pigs from 5 selected herds located In the Western Kyongbuk was carried out during the period from March to December 1995. Pneumonic lungs was attempted bacteriological finding and antibiotic susceptibilities. From 583 slaughtered pigs, 445(76.3%) case was pneumonic lungs, seasonal patterns were Winter, Spring, Autumn, Summer in the order named. Among them, 127(21.8%) case was mycopla-sma pneumonia and 65(11.2%) case was pleuropneumonia. In snout lesion grade from 337 slaughtered pigs, above grade II score was 107(31.8%). In the white spot of liver, grade I was 544(93.3%), grade II32(5.5%) and grade III 7(1.2%). In the gastric ulcer, normal was 350(60.0%), grade I168(28.8%), grade II59(10.1%) and grade III 6(1.1%). Among the pigs(n=271) with pneumonic lesions above 20%, 162 strains werr isolated from 87(32.1%) pigs. The bacteria isolated from pneumonic lesions was Pasteurella sp 61(37.7%), Streptococcus sp 31(19.1%), Actinobacillus sp 3(1.9%), Coliform bacteria 19(11.7%) and the other bacteria 48(29.6%) These isolates were highly susceptible to the antibiotics including ENR 142(87.7%), Cft 138(85.2%) and Cf 126(77.8%).

• The Journal of Korean Medicine
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• v.17 no.2 s.32
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• pp.418-426
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• 1996

Clinical studies were done 23 peoples who were treated with the auricular acupuncture therapy to the hypertension in the Dept. of the Acupuncture and Moxibution Hospital of Oriental Medicine in Won Kwang University. The following results have obtained. 1. Distribution of sex: male (52.0%), female (48.0%), 2. Distribution of age: 50s age group (30.0%), 70s(26.0%), 40s or 60s(22.0%). 3. Distribution of occupation: housewife (26.0%), farmer or commerce(22.0%), unemployed(13.0%), 4. Causes of illness: unknown origin(61.0%), stress(17.0%), drinking (13.0%), 5. Distribution according to symptom: headache(57.0%), non-symptom(17.0%), dizziness(9.0%). 6. Duration of onset: 3-5 years(26,0%), unknown(17.0%), 6 months, 5-10 years or 10 years (13.0%). 7. Cure rate of auricular acupuncture treatment according to differentiation symptoms: HLY(43.0%), DLK(30.0%), DYY(13.0%), HYD(9.0%). 8. Result grade on $pr{\`{e}}-freatment$ of auricular acupuncture: Grade I(4.0%), GradeII(52.0%), Grade III(43.0%). Result grade on post-treaftment auricular acupuncture: Grade O(48.0%), Grade I(26.0%), Grade II(26.0%).

• Korean Journal of Child Studies
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• v.23 no.5
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• pp.139-151
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• 2002

This study explored the conditions of daily hassles and the relations between daily hassles, bullying, and victimization by grade and gender. Data were collected from 530 1st-6th grade children through questionnaires. The extent of stress, bullying, and victimization of children differed by grade and gender. Males reported higher parent-, study-, and friend-related stress than females. Bullying and victimization were highly related to each other. Most bullying appeared in 3rd-6th grade children while most victimization occurred in 1st-2nd grade children. Most bully/victims were in 5th-6th grade children. More females than males were not-involved and victimized. More males than females were bullies and bully/victims. Bullies, victims, bully/victims, and not-involved children experienced different degrees of daily hassles.

• Food Science of Animal Resources
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• v.28 no.3
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• pp.283-288
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• 2008

Eight subprimal cuts purchased from the branded Hanwoo beef of 3 quality grades ($1^{++}$, $1^+$, 1) at 13 stores were evaluated the tenderness using Warner-Bratzler shear (WBS). The beef frequency ratio (%) depending on postmortem aging periods were investigated. The 37.5 (quality grade $1^{++}$), 45.8 (quality grade $1^+$), and 36.4% (quality grade $1^{++}$) of branded beef were aged for < 7 d, 26.6 (quality grade $1^{++}$), 47.2 (quality grade $1^+$) and 36.4% (quality grade 1) were aged for $7{\sim}13$ d, and 31.3 (quality grade $1^+$), 4.2 (quality grade $1^+$) and 25.8% (quality grade $1^+$) were aged for 14 to 20 d. The temperature of cold room in stores was ranged average 2.27 to $2.42^{\circ}C$. WBS values for ansimsal (tenderloin), witdngsimsal (ribeye), cheggtsal (shortloin), doganisal (knuckle) and moongchisatae (hind shank) from branded Hanwoo beef of quality grade $1^{++}$ were tender than those from branded Hanwoo beef of quality grade 1 (p<0.05). WBS values for ansimsal (tenderloin) were 2.56 (quality grade $1^{++}$), 2.76 (quality grade $1^+$) and 3.10 kg (quality grade 1), respectively, and those for doganisal (knuckle, quality grade $1^{++}$), hongdukesal (eye of round, quality grade $1^+$) and bosupsal (top sirloin, quality grade 1) were 4.76, 4.96 and 5.66kg, respectively (p<0.05). The frequency ratio (%) of WBS < 3.9 kg in the all subprimal cuts from branded Hanwoo beef of quality grade $1^{++}$ were 100 [ansimsal (tenderloin) and cheggtsal (shortloin)], 87.5 [witdngsimsal (ribeye)] and 62.5% [bosupsal (top sirloin)], whereas that of WBS > 4.6 kg were 50.0% [hongdukesal (eye of round) and doganisal (knuckle)]. The frequency ratio of WBS < 3.9 kg in the an subprimal cuts of quality grade $1^+$ were 100 [ansimsal (tenderloin) and witdngsimsal (ribeye)] and 44.4% [cheggtsal (shortloin) and gurisal (chuck tender)], whereas that of WBS > 4.6 kg were 66.7 [hongdukesal (eye of round)], 55.6 [doganisal (knuckle)] and 44.4% [bosupsal (top sirloin)]. The frequency ratio (%) of WBS < 3.9 kg in the all subprimal cuts of quality grade 1 were 88.9 [ansimsal (tenderloin)], 62.5 [cheggtsal (shortloin)] and 44.4% [witdngsimsal (ribeye)], whereas that of WBS > 4.6 kg were 100.0 [doganisal (knuckle)] 62.7 [hongdukesal (eye of round)], 62.5 [gurisal (chuck tender)] and 55.6% [moongchisatae (hind shank)]. From these results, subprimal cuts from branded Hanwoo beef were marketed with short aging periods and high frequency ratio (%) of WBS > 4.6 kg.

• Journal of the Korean Arthroscopy Society
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• v.16 no.2
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• pp.107-113
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• 2012

Purpose: The purpose of this study was to evaluate the posterior cruciate ligament (PCL) reconstruction with single bundle, single-incision technique using Achilles tendon and tibialis anterior allograft with ligament remnant preservation. Materials and Methods: Twenty six patients underwent PCL reconstruction was included. There were 21 males and 5 females. Mean age was 32 years. Used graft was a fresh frozen Achilles tendon allograft (group I, 14 cases) and tibialis anterior allograft (group II, 12 cases). Arthroscopic PCL reconstruction was performed using transtibial, single-incision and single bundle technique with remnant preserving as possible. For clinical evaluation, range of motion, posterior drawer test, Lysholm score, Tegner activity scale, International Knee Documentation Committee (IKDC) grade and posterior stress radiograph were used. The mean follow-up period was 21.6 months (12-40 months). Associated injuries were 5 medial collateral ligament injuries, which were treated by conservative method. Results: Range of motion (ROM) was returned to normal range in 24 cases, but ROM deficit under $10^{\circ}$ flexion was 2 cases at final follow-up period. Preoperative posterior drawer test was 17 cases in grade II and 9 cases in grade III. At final follow-up 13 cases returned within normal grade, 7 cases grade I and 6 cases grade II posterior instability. Lysholm mean score was improved from preoperatively 62 to 90 at final follow-up period. Tegner activity mean scale improved from preoperatively 3.5 to 5.6 at final follow-up period. IDKC grade was grade A was 3 cases, grade B 17 cases, grade C 6 cases. In posterior stress radiograph, posterior displacement was improved from mean 12 mm preoperative to 4.5 mm at final follow-up. There were no statistical differences between two groups in clinical evaluations. There were two cases of re-rupture of graft at the bone-tendon junction in group I. Conclusion: We had successful results of PCL reconstruction with single-incision, single bundle technique using Achilles and tibialis anterior allograft without difference between two groups in patients with PCL injury. There were more re-rupture of graft in Achilles tendon group.