• Journal of the Korean Academy of Child and Adolescent Psychiatry
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• v.12 no.2
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• pp.237-244
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• 2001

Objectives：Dysfunctional parent-child relationships have been associated with various mental and conduct disorders in adolescence and mental problems in adulthood as well. Most studies have done in clinical settings and little is known about the relationship between parenting and adolescent problem behaviors in community settings. This study is done to compare the perceived parenting and problem behaviors between problem behavior group and those of non-problem behavior group in male adolescents. Methods：The subjects of this study were 147 male high school students in Seoul, who do not have any known mental or conduct disorders and live with their real parents. Parental Bonding Instrument and Youth Self Report were administered to evaluate the perceived parenting and problem behaviors of adolescents. Results：There were significantly higher scores of mother overprotection in problem behavior group when comparing to non-problem behavior group. There was a significant association between mother overprotection and problem behavior when adjusting the number of family members, mother's job, parents' education level, grades, and religion. Conclusion：The parenting such as mother overprotection can be helpful to predict the problem behaviors in male adolescents, and appropriate parenting may prevent various problem behaviors in male adolescents.

• Journal of the Korean Institute of Telematics and Electronics D
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• v.35D no.10
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• pp.51-59
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• 1998

($Na_{1/2}Ln_{1/2}$)$TiO_3$ceramics have a high relative dielectric constant and a positive temperature coefficient of resonant frequency ($\tau_f$)(where Ln represents a lanthanide: $La^{+3}$, $Pr^{+3}$, $Nd^{+3}$ and $Sm^{+3}$). On the other hand, $MgTiO_3$ ceramic has a high Qf value and a negative temperature coefficient. So We have investigated the microwave dielectric properties of $xMgTiO_3$-(1-x) ($Na_{1/2}Ln_{1/2}$)$TiO_3$. In these systems, there are no clues on solid-solution and secondary phase. There are mixed phases with $MgTiO_3$and ($Na_{1/2}Ln_{1/2}$)$TiO_3$ phases. Its dielectric characteristics (Qf, temperature coefficient and dielectric constant) are intermediate between ($Na_{1/2}Ln_{1/2}$)$TiO_3$ and $MgTiO_3$ and are predictable by the logarithmic mixing rule. The dielectric ceramic compositions temperature coefficient each approximates to zero at Ln=La, x=0.9, Ln=Pr, x=0.87, and Ln=Nd, x=0.84. At this time, there are Qf values in the range of 55,000 to 28,00GHz and relative dielectric constants in the range of 22 to 25.

• Tuberculosis and Respiratory Diseases
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• v.40 no.5
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• pp.602-609
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• 1993

Lymphocytic interstitial pneumonitis (LIP) is one of parenchymal pulmonary infiltrative diseases first described at 1966 by Carrington and Liebow. In LIP, there is a predominance of mature small lymphocytes in the interstitium of the lung which form germinal centers. The disease process surrounds, but dose not invade lung parenchyme, tracheobronchial tree and vascular structures. The etiology remains still unknown and the clinical features of this disorder have not been clearly defined. Therefore, the therapeutic modality is obscure. Development of LIP association with AIDS is often reported currently and possibility of progress to malignant lymphoma is emphasized. We experienced a case of primary LIP with pnemomediastinum. She was adimitted due to chest and anterior nuchal pain with chronic coughing, and diagnosed as pneumomediastinum with LIP. Medication with steroid was begun and some improvement of symptoms was observed, but an X-ray film of the chest remained same without improvement. We report above case with review of the literatures.

• Tuberculosis and Respiratory Diseases
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• v.41 no.4
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• pp.363-371
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• 1994

Background: DNA content analysis of human solid tumor is now widely performed by flow cytometric study. One of the most interesting and potentially important observation in this field is that proliferative activity(S-Phase fraction of cell cycle) may profoundly affect the prognosis. Method: S-Phase fraction(SPF) have been measured by flow cytometric method using tumor cells isolated from paraffin embedded tissue. To evaluate the prognostic significance, SPF of small lung cancer cell was assessed in 42 patients who died after receiving anticancer chemotherapy. Results: 1) Mean survival time of patients with small cell lung cancer was 190(${\pm}156$) days. Survival time were shortened, when TNM stage and PS scale were advanced. 2) Mean value of SPF of patients with small cell lung cancer was 27.4(${\pm}8.5$)%. SPF had nothing to do with advance of TNM stage and PS scale. 3) In each identical TNM stage, there were not statistic significance between SPF and survival times. 4) There was a tendency like that higher SPF, better chemotherapeutic response. Conclusion: We could not find statistic significance between SPF and survival times, but SPF was a good predictive factor for chemotherapeutic response.

• Journal of the Korea Concrete Institute
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• v.29 no.2
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• pp.169-177
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• 2017

Rather than causing damage from heat, blast, and radiation of a regular nuclear weapon, recently, it is predicted that North Korea has been inventing high altitude electromagnetic pulse (HEMP) missile in order to incapacitate electronic equipment. HEMP shielding facility is used for military purpose today. Despite the electromagnetic shielding effects from high quality compression plates, problems may include such as the possibility of electromagnetic influx resulting in the welding of the compression plates, and difficulties and high cost of construction. Therefore, in this study, a high electrical conducting material was added to the concrete experimental subject to ensure the shielding effect through electromagnetic waves to for the concrete structure, instead of building a shielding facility separately for the structure. Also, among the experimental subjects, 100 ${\mu}m$ of Iron-Aluminum alloy metal spraying coat was applied to two types with the highest shielding effect, and to two types with the lowest shielding effect. The result of the experiment indicates that experimental subjects added with a high electrical conductivity material did not meet the minimum shielding criteria of MIL-STD-118-125-1 standard, but all the experimental material applied to the metal spraying coating satisfied the minimum shielding criteria. In conclusion, it is considered that 100 µm of Iron-Aluminum alloy metal spraying coat contains high efficiency in the HEMP shielding.

• Tuberculosis and Respiratory Diseases
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• v.48 no.4
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• pp.464-470
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• 2000

Background : The recognition of bronchial asthma as an inflammatory disease led to the search for soluble markers that would be useful in assessing airway inflammation. Interleukin-6 (IL-6) is a representative proinflammatory cytokine that has been shown to be connected with various inflammatory diseases. IL-6 acts via specific receptors that consist of the IL-6 binding glycoprotein gp80 and the signal transducer gp130. In the search for markers of airway inflammation, delete the role of soluble interleukin-6 receptor (sIL-6R) and IL-6 in acute asthma were investigated. Methods : Serum levels of sIL-6R and IL-6 were measured in 78 acute asthmatics, in 15 patients with asymptomatic asthma and in 10 healthy control subjects by a specific ELISA using a murine antihuman IL-6R, IL-6 mAb ($Quantikine^{(R)}sIL$-6R, IL-6). Results : Serum levels of IL-6 in acute asthmatics significantly exceeded those of control subjects. The levels of sIL-6R in acute asthmatics were also significantly increased compared to those of control subjects. The serum concentrations of IL-6 obtained in acute asthmatics were elevated compared with those in asymptomatic asthmatics. However, association between eosinophilic count/IgE and IL-6/sIL-6R in acute asthma could not be found. Conclusion : Our results suggest that IL-6 may be involved in the pathogenesis of acute asthma, and serum levels of IL-6 and sIL-6R may reflect the severity of airway inflammation.

• Korean Journal of Social Welfare
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• v.56 no.4
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• pp.317-343
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• 2004

The purpose of this study is to explore further understanding of variables, besides father's alcoholism, which relates to psychosocial adjustment among ADAF(adult daughters of alcoholic fathers). This study examines the relationship between father's alcoholism, family functioning, parental attachment and the psychosocial adjustment among the ADAF. From a larger sample of 463 female college students, 160 ADAF and a matched group of non-ADAF were identified to participate in the study. This survey was conducted in Seoul and Gyungi-do area. Participants completed self-report questionnaires, "The Korean Version of Children of Alcoholics Screening Test", "Inventory of Parent and Peer Attachment", "Satisfaction With Life Scale", "Self-esteem", "Beck Depression Inventory" and "Family Environment Scale". Path analyses was used to test the research question. Findings indicated that father's alcoholism had no direct effect on both the psychosocial adjustment of the ADAF and the family functioning. But father's alcoholism was significantly related to parental attachment. Family functioning was significant predictor of attachment to parents as well as psychosocial adjustment. Finally family functioning is important cause for parental attachment and psychosocial adjustment, specifically self-esteem and life satisfaction outcomes only. Therefore parental attachment was function as a mediator in the relationship between family functioning and psychosocial adjustment. In conclusion, this study showed that father's alcoholism did not predict outcome. We need to reconsider the assumption that direct link exists between adult adjustment difficulties and the presence of father's alcoholism. Implications for clinical and theoretical work with ADAF are discussed.

• Maxillofacial Plastic and Reconstructive Surgery
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• v.13 no.1
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• pp.117-127
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• 1991

When open reduction of maxilla fractures is postponed due to concurrent life-threatening injuries, delayed union may result with malunion or nonunion. If delayed malunion is occurred, significant facial deformity may result, including a dished-out face, irregular retromaxillism with Angle's class III malocclusion, open anterior bite, nasal collapse, telecanthus and malar flattening. The treatment planning for this problem includes cephalometric evaluation anterior and lateral tomograms, dental casts, orthodontic planning, dental planning and use of impression tray to rupture the fibrous tissue casts, orthodontic planning, dental planning and use of impression tray to rupture the fibrous tissue attachment at the fracture site. In this paper, one case presented a 58-year-old female patient with maxilla retrusion after comminuted fracture, who was treated with orthodontic methods of maxillary protraction headgear and Plaster headcap, whereas the other two cases were about male patients who were treated principally with surgically open reduction or Le Fort I-controlled transverse osteotomy with iliac bone graft.

• Phonetics and Speech Sciences
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• v.12 no.2
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• pp.63-72
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• 2020

This study aims to develop a video-based smart utterance deep analyser (SUDA) application that analyzes semiautomatically the utterances that child and mother produce during interactions over time. SUDA runs on the platform of Android, iPhones, and tablet PCs, and allows video recording and uploading to server. In this device, user modes are divided into three modes: expert mode, general mode and manager mode. In the expert mode which is useful for speech and language evaluation, the subject's utterances are analyzed semi-automatically by measuring speech and language factors such as disfluency, morpheme, syllable, word, articulation rate and response time, etc. In the general mode, the outcome of utterance analysis is provided in a graph form, and the manger mode is accessed only to the administrator controlling the entire system, such as utterance analysis and video deletion. SUDA helps to reduce clinicians' and researchers' work burden by saving time for utterance analysis. It also helps parents to receive detailed information about speech and language development of their child easily. Further, this device will contribute to building a big longitudinal data enough to explore predictors of stuttering recovery and persistence.

• Journal of the Korea Academia-Industrial cooperation Society
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• v.12 no.12
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• pp.5766-5772
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• 2011

This study was to investigate the change of gait temporal parameter and ankle joint moment between patients with achilles tendinitis and healthy people. Thus, the purpose of this study is to clarify biomechanical change of gait in patients with achilles tendinitis and to find risk factor for prevention of achilles tendinitis. We recruited 20 patients with an achilles tendinitis and 20 healthy people. While subjects shuttled 5 times on 13 m distance with comfortable pace, we examined gait function marker with three-dimensional gait analysis system. All subject outstepped center of forceplate during gait and calculated ankle joint moment using software. Obtained data was analyzed using SPSS 12.0 software. In results, we confirmed that patients with achilles tendinitis showed reduction of extension moment in early initial phase and reduction of flexion moment in mid-stance on hip joint. and reduction of flexion moment in early initial phase and reduction of extension moment in late phase on knee joint. And we identified that patients with achilles tendinitis showed reduction of dorsiflexion moment in early stance phase, maximal plantarflexion moment in mid stance phase, and dorsiflexion moment in late stance phase. Thus, there are biomechanical changes on gait in patients with achilles tendinitis compared to healthy people. And, in clinical settings, they should focus on changes of gait in patients with achilles tendinitis. Further study will be undertaken for the biomechanical changes of patietns with achilles tendinitis.