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정명수,임효택,임관철 조선대학교 사범대학 부설 교과교육연구소 2000 敎科敎育硏究 Vol.3 No.1
This study is aimed to verify what are the major factors affecting teenager athletics' deviant behaviors, being trained systematically and continuously at schools, and to present the basic material to prevent those behaviors and guide after the fact and foster young athletics at schools. 1. The level of deviant behaviors depending on gender showed significant differences in every type of deviation from public order, property, status, interpersonal relations, and seclusion deviation. Male sthletics were on higher level than female in all 5 types of deviation. 2. The level depending on parents' professions showed significant differences only in the type of deviation from status. The level was high on the professions of professional work, administrative work, blue color, sales,, clerical work in sequence. 3. The level depending on parents' educational level showed significant differences in the types of devation from public order, property, status, interpersonal relations. On the deviation from order the level was high on over post-graduate, high school graduate, and middle school graduate in sequence. On property, over postgraduate, middle school graduate, and primary school graduate; on status, over postgraduate, universities graduate, and high school graduate; and on interpersonal relations, over postgraduate, universities graduate, and middle school graduate, all in sequence. 4. The level depending on amount of allowance showed significant differences in all 5 tyupes of deviation. On the deviation from public order, the level was high on the amount of over ₩160,000 and ₩120,000∼₩160,000 in sequence. 5. The level depending on athletics's career showed significant differences in all5 types of devation. On the deviation from public order, property, and status, the longer the career, the higher the level of deviation. 6. The level depending on sport events showed significant differences in all 5 types of deviation.
홍영습,정해관,김준연,이용희,김지용,사공준,임현술,이중정,임명아 동아대학교 부설 산업의학연구소 1999 산업의학연구소 논총 Vol.- No.4
We experienced three cases of high signal intensity observed by Brain Magnetic Resonance Imaging in CO₂ are welders of steel-frame manufacturing industry. Case 1 was a 35 years old man who has been an CO₂ arc welder for 10 years, admitted a sudden onset of tonic clonic seizure. He complained fever, chilling and myalgia since 3 days before admission. On admission, in the test of manganese exposure indices, manganese concentrations of blood, urine and scalp hair were 5.17 ㎍/dl, 22.00 ㎍/l and 31.25 ppm respectively. Case 2 was a 35 years old man who has been an CO₂ arc welder for 20 years. On admission, He complained fatigue, numbness and weakness of extremities, and decrease of libido. In the test of manganese exposure indices, manganese concentrations of blood, urine and scalp hair were 6.34 ㎍/㎗, 14.62 ㎍/l and 57.87 ppm respectively. In neurologic examination, Palmo-mentle reflex and Myerson sign were observed. Case 3 was a 33 years old man who has been an CO₂ arc welder for 16 years. On admission, He complained loss of appetite, numbness of extremities, fatigue and decrease of attention. In the test of manganese exposure indices, manganese concentrations of blood, urine and scalp hair were 5.14 ㎍/㎗, 13.79 ㎍/l and 50.08 ppm respectively. In neurologic examination, Myerson sign was observed. In brain magnetic resonance imaging, T1WI showed symmetrical high signal intensity in basal ganglia and midbrain of three cases. Authors argued that they were developed by manganese exposure, and we considered that follow up study would be necessary.
김준연,임현술,정해관,홍영습,이용희,임명아,이중정,김지용,사공준 大韓産業醫學會 1998 대한직업환경의학회지 Vol.10 No.2
We experienced three cases of high signal intensity observed by Brain Magnetic Resonance Imaging in CO₂arc welders of steel-frame manufacturing industry. Case 1 was a 35 years old man who has been an CO₂arc welder for 10 years, admitted a sudden onset of tonic clonic seizure. He complained fever, chilling and myalgia since 3 days before admission. On admission, in the test of manganese exposure indices, manganese concentrations of blood, urine and scalp hair were 5.17μg/dl, 22.00μg/l and 31.25ppm respectively. Case 2 was a 35 years old man who has been an CO₂arc welder for 20 years. On admission, he complained fatigue, numbness and weakness of extremities, and decrease of libido. In the test of manganese exposure indices, manganese concentrations of blood, urine and scalp hair were 6.34μg/dl, 14.62μg/l and 57.87 ppm respectively. In neurologic examination, Palmo-mentle reflex and Myerson sign were observed. Case 3 was a 33 years old man who has been an CO₂arc welder for 16 years. On admission, He complained loss of appetite, numbness of extremities, fatigue and decrease of attention. In the test of manganese exposure indices, manganese concentrations of blood, urine and scalp hair were 5.14μg/dl, 13.79μg/l and 50.08 ppm respectively. In neurologic examination, Myerson sign was observed. In brain magnetic resonance imaging. TIWI showed symmetrical high signal intensity in basal ganglia and midbrain of three cases. Authors argued that they were developed by manganese exposure, and we considered that follow up study would be necessary.
Lim, Myung Kwan,Suh, Chang Hae,Cho, Young Kook,Kim, Jin Hee,Lee, Jung Hee,Lim, Tae Hwan The Korean Radiological Society 1998 대한영상의학회지 Vol.38 No.3
Purpose : To evaluate regional differences in relative metabolite ratios in the normal human brain by 1H MRspectroscopy (MRS), and compare the spectral quality obtained by the automated prescan method (PROBE) and themanual method. Materials and Methods : Localized 1H MRS was performed on a GE 1.5T SIGNA MRI/MRS system (version5.5) with active shielded gradients. For 20 normal volunteers aged 8-47 years, spectral parameters were adjustedby the auto-prescan routine provided by a PROBE package(N=34)and manually (N=33). Five regions of the human brainwere examined (N=PROBE,manual): frontal white matter(N=6,10), parietal white matter(N=8,9), basal ganglia(N=6,5),thalamus(N=4,5), and cerebellum(N=4,4). For all spectra, a STEAM localization sequence with three-pulse CHESS H2Osuppression was used, with the following acquisition parameters: TR=3.0 sec, TE=30 msec, TM=13,7 msec, SW=2500Hz,SI=2048 pts, AVG=48, and NEX=2. Results : A total of 61 reliable spectra were obtained by PROBE (28/34=82%success) and by the manual method (33/33=100% success). Regional differences in the spectral patterns of the fiveregions were clearly demonstrated by both PROBE and the manual methods. For prescanning, the manual method tookslightly longer than PROBE (3-5 mins and 2 mins,respectively). There were no significant differences in spectralpatterns and relative metabolic ratios between the two methods. However, auto-prescan by PROBE seemed to be veryvulnerable to slight movement by patients, and in three cases, an acceptable spectrum was thus not obtained.Conclusion : PROBE is a highly practical and reliable method for single voxel 1H MRS of the human brain; the twomethods of prescanning do not result in significantly different spectral patterns and the relative metaboliteratios. PROBE, however, is vulnerable to slight movement by patients, and if the success rate for obtainingquality spectra is to be increased, regardless of the patient's condition and the region of the brain, it must beused in conjunction with the manual method.
나노버블 탄산화 개질을 통한 순환 굵은골재 콘크리트의 기초물성 평가 연구
임명관 ( Lim Myung Kwan ),최동욱 ( Choi Dong Uk ),임희섭 ( Lim Hee Seob ),진재윤 ( Jin Jae Yoon ),김동환 ( Kim Dong Hwan ),조승호 ( Cho Seong Ho ) 한국구조물진단유지관리공학회 2017 한국구조물진단유지관리공학회 학술발표대회 논문집 Vol.21 No.1
In this study, the compressive strength and flexural strength of concrete were evaluated by making 50% and 100% admixture ratio of recycled aggregate and recycled aggregate through nano bubble carbonation modification.
고로슬래그의 분말도 및 재생 잔골재 치환율에 따른 모르타르의 강도 및 내구적 특성에 관한 연구
임명관(Lim Myung-Kwan),박무영(Park Moo-Young),정상진(Jung Sang-Jin) 대한건축학회 2007 大韓建築學會論文集 : 構造系 Vol.23 No.10
Furnace slag powder used currently in Korea needs to add special functions in response to the increase of large-scale projects. In addition, it is advantageous in that it has a lower hydration heat emission rate than ordinary Portland cement and improves properties such as the inhibition of alkali aggregate reaction, watertightness, salt proofness, seawater resistance and chemical resistance. However, furnace slag powder is not self-hardening, and requires activators such as alkali for hydration. Accordingly, if recycled fine aggregate, from which calcium hydroxide is generated, and furnace slag, which requires alkali stimulation, are used together they play mutually complementary roles, so we expect to use the mixture as a resource-recycling construction material. Thus the present study purposed to examine the properties and characteristics of furnace slag powder and recycled aggregate, to manufacture recycled fine aggregate mortar using furnace slag and analyze its performance based on the results of an experiment, to provide materials on mortar using furnace slag as a cement additive and recycled fine aggregate as a substitute of aggregate, and ultimately to provide basic materials on the manufacturing of resource-recycled construction materials using binder and fine aggregate as recycled resources.