• Title/Summary/Keyword: 축성

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電算流體力學의 發達過程과 展望

  • Graves, Randolph A.
    • Journal of the KSME
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    • v.22 no.4
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    • pp.262-270
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    • 1982
  • 머지않은 장래에는 이러한 초컴퓨터와 신기술들이 유체역학의 주요한 발전을 주도하고, 오랫동안 취급하지 못하였던 난류유통도 해석할 수 있을 것이며, 복잡한 비행기 형상의 외부 유통도 발 전된 형체막형화 기법과 격자발생법 및 그래픽 기술을 이용하여 손쉽게 계산될 것이다. 금세기 말까지의 공기역학의 발전은 주로 공기의 탄성효과를 고려한 비정상압축성 공기역학에서 이루 어질 것이다.

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Science Technology - 뇌 임플란트 기술, 생각만으로 컴퓨터에 입력시켜요!

  • Kim, Hyeong-Ja
    • TTA Journal
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    • s.169
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    • pp.74-75
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    • 2017
  • 만약 생각한 내용을 키보드에 쓸 필요 없이 바로 뇌에서 컴퓨터로 옮겨주는 장치가 있다면 어떨까? 미래에나 가능할 것 같은 이야기지만, 네덜란드 위트레흐트대학의 닉 랩지 교수팀이 '근위축성 측삭경화증'에 걸린 '하네케 드 브라우너(60세)'를 대상으로 뇌 임플란트 수술을 실시해 컴퓨터에 의사를 전달할 수 있도록 하는 데 최초로 성공했다. 이를 통해 최근 환자가 의사소통 능력을 되찾게 되었다고 미국의 뉴스 전문 방송국 CNN은 전했다.

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Factors Influencing Psychosocial Well-Being in Family Caregivers of People with Amyotrophic Lateral Sclerosis (근위축성측삭경화증 가족 돌봄제공자의 심리사회적 안녕감에 영향을 미치는 요인)

  • Chu, Hyeon Sik;Tak, Young Ran;Kim, Seung Hyun
    • Journal of Korean Academy of Nursing
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    • v.48 no.4
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    • pp.454-464
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    • 2018
  • Purpose: The purpose of this study was to identify factors influencing psychosocial well-being in family caregivers of patients with amyotrophic lateral sclerosis (ALS). Methods: A descriptive correlational design was used. The transactional model of stress and coping was used to investigate the psychosocial well-being of 137 family caregivers of patients with ALS. Data were collected through self-reported questionnaires from January to November 2016. Data were analyzed using an independent t-test, one-way ANOVA, Pearson's correlation, and hierarchical multiple regression analysis with the SPSS WIN 21.0 program. Results: The regression model had an adjusted $R^2$ of .49, which indicated that meaning-focused coping, social support, ALS patient-family caregiver relationship (especially a spousal relationship), and tracheostomy were significant predictors of caregivers' psychosocial well-being. Conclusion: Meaning-focused coping and social support significantly influenced caregivers' psychosocial well-being. Therefore, interventions to improve caregivers' psychosocial well-being must focus on increasing meaning-focused coping and social support resources.

근위축성 측삭경화증(ALS)의 한의학적 임상 연구

  • Gwon, Gi-Rok
    • Journal of Pharmacopuncture
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    • v.6 no.1
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    • pp.13-13
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    • 2003
  • 1. 도입 및 배경 Lou Gehrig 병이라고 알려져 있는 근위축성 측삭경화증은 중추신경계 중 운동신경의 퇴행성 변화에 의한 진행성 질환이다. 이 병은 근육의 마비와 약화, 강직의 진행과 더불어 언어장애, 연화장애, 호흡장애가 동반된다. ALS는 환자나 가족들에게 엄청난 고통을 주는 질환으로 이병은 발병 후 3-5년 내에 약 $75\%$가 사망한다. 그리고 연하장애가 주된 증상이거나 고령에서 발병하였을 때에는 생존기간이 더욱 단축되는 경향을 나타낸다. 그리고 치명적인 호흡장애로 인해 대부분 사망하게 된다. 현재 의학계에서는 이 병의 원인도 알고 있지 못하고, 증상에 대한 아무런 치료방법도 제시하지 못하고 있는 실정이다. 2. 역학 원발성 운동신경원성 질환의 발생률은 100,000당 약 7명이고, ALS는 이 중 약 $65-85\%$를 차지한다. 전 세계적으로 1년에 약 2-4명/100,000이 발생하고 있으며 시간이 경과할수록 점차 증가하고 있는 추세이다. 3. 연구방법 EMG나 Biopsy 등을 통해 신경과 전문의가 ALS로 진단한 환자 중 상지대학교 부속한방병원에서 3개월 이상 입원치료를 받은 환자 18명을 대상으로 임상연구를 진행하였고, 설문조사는 외래에 내원한 환자 중 설문에 응답한 환자 28명을 포함한 총 46명의 환자들을 대상으로 시행하였다. 치료방법은 침, 약침, 봉약침, 한약 등을 환자의 체질을 고려하여 변증에 따라 적용하였고, 환자의 상태 변화는 ALSFRS(ALS Functional Rate Scale)를 사용하여 관찰하였다. 4. 결과 본 연구결과 ALS의 치료에 한의학적 치료방법은 유효한 것으로 나타났다. 특히 본 질환이 시간이 경과하면서 $100\%$ 악화되는 질환임을 감안한다면 한의학적 치료를 통해 약 $40\%$의 환자에서 몸의 상태나 언어장애, 만성적 피로 등이 호전되었고, 근력도 증가되는 결과를 나타내었다.

The Lived Experience of Struggling against Illness for Patients with Amyotrophic Lateral Sclerosis (근위축성 측삭경화증 환자의 투병경험)

  • Kang, Sung-Ye
    • Journal of Korean Academy of Nursing
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    • v.38 no.6
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    • pp.802-812
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    • 2008
  • Purpose: The purpose of this study was to identify and describe phenomenological structures of the lived experience of struggling against an illness for patients with Amyotrophic Lateral Sclerosis (ALS). Methods: The participants were 7 patients with ALS recruited by snowball sampling who agreed to participate in this research and could verbally communicated with the researcher. Data were collected by long term-repeated interviews with participants in their own homes. Data were analyzed using Colaizzi's method of phenomenology. Results: Four categories were extracted as follows: 'Being seized with fear of death', 'Living a marginal life', 'Accepting hard fate', and 'Clinging to faint life'. Seven theme clusters were identified as: 'Wandering to find a healing method with ominous signs in the body', 'Having a diagnosis of ALS is like a bolt from the blue and struggling against illness with faint hope', 'Being forced out to the edge of life with anguish', 'Filling one's heart with hatred and longing toward becoming estranged from the world', 'Living with stigma as a stumbling block with bitter grief in one's heart', 'Accepting every things as one's fate with self controlled fear of death', and 'Attaching to desire to live'. Conclusion: The results of this study can be used to develop the programs to support patients with ALS and their family.

Quality of Life in Patients with Amyotrophic Lateral Sclerosis (근위축성 측삭경화증 환자의 삶의 질)

  • Heo, Hyun Sook;Choi-Kwon, Smi
    • The Korean Journal of Rehabilitation Nursing
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    • v.16 no.2
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    • pp.122-132
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    • 2013
  • Purpose: This study measured the quality of life in patients with amyotrophic lateral sclerosis (ALS). Methods: The participants consisted of consecutive patients with ALS who visited the neurology outpatient department from January to July, 2008. To collect the data, face-to-face interviews were applied at S national university hospital in Seoul. Using multivariate analysis, factors to predict QOL in ALS patients including demographic factors, functional independence, depression, anxiety, social support and quality of life were analyzed. Results: The final analysis included 69 patients. The mean score for the physical health and mental health components was $34.4{\pm}21.3$ and $44.7{\pm}20.6$, respectively. The mean score for the ALS functional rating scale was $24.3{\pm}10.8$ out of 40. Anxious and depressed patients accounted for 44.9% and 71%, respectively. Quality of life in ALS patients was significantly affected by functional independence, depression and anxiety level. Conclusion: To improve the quality of life in ALS patients with declining functional independence, comprehensive interventions are necessary to manage depression and anxiety.

Repair and Construction Methods of Hanyangdoseong in 18th Century (18세기 한양도성의 개축과 축성기법)

  • Song, In Ho;Kim, Young Soo;Moon, In Sik
    • Journal of architectural history
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    • v.30 no.4
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    • pp.79-90
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    • 2021
  • Since its construction in the late 14th century, Hanyangdoseong had been carried out three major repairs and reconstructions during the 500 years of the Joseon Dynasty. In addition to the large-scale construction, small-scale construction continued until King Gojong era. In particular, in the 18th century, systematic construction management was implemented by the craftsmen and the military participated in the renovation of Hanyangdoseong in earnest, and the construction methods also developed rapidly. In the early 18th century, new construction techniques were attempted in various sections of the reconstruction work, and gradually became a common technology for repairing Hanyangdoseong in the late 18th century. The purpose of this study is to examine the characteristics and period of changes in the 18th century's construction technique, when the rapid development of Hanyangdoseong took place. To this end, the excavation results related to Hanyangdoseong, the remaining city wall, and the inscribed stones were used to identify and demonstrate the characteristics and change of the construction method.

Mineralogical Studies on Sulfide Ore Species of the Tong Myeong Tungsten Deposits (동명중석광산산(東明重石鑛山産) 유화광물(硫化鑛物)의 광물학적(鑛物學的) 연구(硏究))

  • Lee, Pyeong-Koo;So, Chil-Sup;Kim, Se-Hyun;Yun, Seong-Taek;Kim, Moon-Young
    • Economic and Environmental Geology
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    • v.19 no.spc
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    • pp.207-226
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    • 1986
  • The skarn type tungsten deposits in Jechon area are developed in the contact aureole of Jurassic granodiorite and lower Paleozoic limestone beds. The Tong Myeong mine contains scheelitebearing skarns found at and near the contacts between crystalline limestone and hornfels. Although the skarns are heterogeneous, there are clear patterns in the preferred associations and nonassociations of minerals on all scales. The skarn show a zonal arrangement from limestone to hydrothermal vein as follow: wollastonite skarn, clinopyroxene skarn, clinopyroxene-garnet skarn, garnet skarn, and vesuvianite skarn. Scheelite, abundant in all skarn units except wollastonite skarn and also in quartz veins near orebodies, is everywhere strongly correlated with pyrrhotite. It is implied that it was a stable phase throughout the evolution of the zoned skarns, at least in pyrrhotite.forming environments. Deposition of scheelite was probably widely caused by increasing $a_{Ca^{2+}}$ in the fluid, resulting from associated and interrelated reactions: $FeCl_2\;aq+H_2S\;aq{\rightarrow}FeS+2H^{+}+2Cl^-$; and $CaCO_3+2H^+{\rightarrow}Ca^{+2}+H_2CO_3$. The spectral reflection powers of nine sulfide species were studied, for three mineralization stage. The shapes and characteristics of the spectral reflectivity profiles are significant in their control of other optical properties. The characteristics of the Vickers microhardness and the optical symmetry for the minerals studied are discussed. Broad radicle groupings of the sulfides can be made with regard to the reflectivity-microhardness values.

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