http://chineseinput.net/에서 pinyin(병음)방식으로 중국어를 변환할 수 있습니다.
변환된 중국어를 복사하여 사용하시면 됩니다.
김신곤,박충일 한국영유아보육학회 2004 한국영유아보육학 Vol.0 No.38
본 연구의 목적은 영재아동의 행동적 특성을 제시하고 영재아동에 대한 교육 프로그램으로서 프로젝트법의 적용 가능성을 제시하는 데에 있다. 영재아동은 일반아동에 비해 지적능력이 높고 창의적이며 과제수행에 집중하며 사회성이 높은 행동특성을 보이기 때문에 이들에게 제공되는 교육활동은 이들의 잠재능력을 충분히 개발할 수 있는 적합한 환경이어야 한다. 프로젝트법은 지식구성활동을 통해 아동의 지적능력을 확대시키는 강력한 방법이며, 자신의 아이디어를 활용함으로써 아동의 창의성을 증대시키는 활동이고, 스스로 주제를 선정하여 과제를 수행하는 과정을 통해 동기부여를 제공하여 보다 과제수행에 집중하도록 하는 환경이면서 동료들과 협동과 활동에서의 책임감을 경험하게 하여 사회성을 촉진시키는 교육프로램이다. 따라서 영재아동은 프로젝트법의 활용을 통해 교육적 효과를 높일 수 있다. The purpose of this study is to examine the possibility that the project approach can be applied to the special education for the gifted children based on gifted children's behavioral characteristics and characteristics of the project approach. Intellectual ability, creativeness, task commitment, and sociability were inquired as gifted children's behavioral characteristics. Based on examining the general characteristics of project approach for infants and the possibility of project approach to special education for the gifted children, the conclusion was drawn as follows: First, the project approach is a useful method to increase and expend children's intellectual ability in special education for the gifted children not from delivering knowledge but from interacting between children and environment through reconstructing knowledge. Second, the project approach is valuable to increase children's creativeness through expanding and appling it to the special education for the gifted children using their own idea. Third, the project approach helps to increase children's task commitment because it is an educational method that it motivates children to keeping and finishing up their task by selecting interesting topics by themselves. Fourth, the project approach helps developing children's sociability in special education for the gifted children. Since children select topics, practice, finish, and exhibit the output with their colleague, they could increase a spirit of cooperation and have co-ownership about the output.
Kim, Choong Gon,Kang, Meehye,Lee, Youn-Ho,Min, Won Gi,Kim, Yong Hwan,Kang, Su Jin,Song, Chang Hyun,Park, Soo Jin,Park, Ji Ha,Han, Chang Hyun,Lee, Young Joon,Ku, Sae Kwang Hindawi Publishing Corporation 2015 Evidence-based Complementary and Alternative Medic Vol.2015 No.-
<P>We evaluated the preventive effects of four types of seawater collected in Republic of Korea on hairless mice with 2,4-dinitrochlorobenzene- (DNCB-) induced allergic/atopic dermatitis (AD). The anti-inflammatory effects were evaluated by measuring tumor necrosis factor- (TNF-) <I>α</I> and interleukins (ILs). Glutathione (GSH), malondialdehyde (MDA), superoxide anion, and inducible nitric oxide synthase (iNOS) were measured to evaluate the antioxidant effects. Caspase-3 and poly (ADP-ribose) polymerase (PARP) were observed to measure the antiapoptotic effects; matrix metalloproteinase- (MMP-) 9 levels were also evaluated. Mice with AD had markedly higher clinical skin severity scores and scratching behaviors; higher TNF-<I>α</I> and ILs (1<I>β</I>, 10, 4, 5, and 13) levels; higher MDA, superoxide anion, caspase-3, PARP, and MMP-9 levels; and greater iNOS activity. However, the severity of AD was significantly decreased by bathing in seawaters, but it did not influence the dermal collagen depositions and skin tissue antioxidant defense systems. These results suggest that bathing in all four seawaters has protective effects against DNCB-induced AD through their favorable systemic and local immunomodulatory effects, active cytoprotective antiapoptotic effects, inhibitory effects of MMP activity and anti-inflammatory and antioxidative effects.</P>
Kim, Ho Sung,Goh, Myeong Ju,Kim, Namkug,Choi, Choong Gon,Kim, Sang Joon,Kim, Jeong Hoon Radiological Society of North America 2014 Radiology Vol.273 No.3
<P>To compare the added value of dynamic contrast material-enhanced ( CE contrast enhanced ) ( DCE dynamic CE ) magnetic resonance (MR) imaging with that of dynamic susceptibility CE contrast enhanced ( DSC dynamic susceptibility CE ) MR imaging with the combination of CE contrast enhanced T1-weighted imaging and diffusion-weighted ( DW diffusion weighted ) imaging for predicting recurrent glioblastoma.</P>
Kim, Choong-Gon,Lee, Ji-Eun,Jeong, Da-Geum,Lee, Youn-Ho,Park, Sang-In,Lee, Dae-Geon,Han, Chang-Hyun,Kang, Su-Jin,Song, Chang-Hyun,Choi, Seong-Hun,Lee, Young-Joon,Ku, Sae-Kwang D.A. Spandidos 2017 Experimental and therapeutic medicine Vol.13 No.6
<P>In the present study, it was evaluated whether east saline groundwater concentration solution (ESGWc) exerted a favorable inhibitory effect on 2,4-dinitrochlorobenzene (DNCB)-induced allergic/atopic-like dermatitis (AD). AD was induced and boosted by sensitization with DNCB via topical application on the dorsal back skins. Mice with DNCB-induced AD were bathed in 100-, 200- and 400-fold diluted ESGWc. After 6 weeks bathing, changes to body weight, clinical skin severity scores, scratching behavior, serum total immunoglobulin (Ig)E levels, submandibular lymph node and spleen weights, splenic cytokine levels, skin cytokine mRNA expressions, antioxidant defense systems and superoxide anion productions were recorded to determine the effects of bathing on the histopathology of dorsal back skin tissues. All DNCB-induced mice demonstrated that the induction of AD through IgE-mediated hypersensitivities, oxidative stresses, activation of MMP and apoptosis of keratinocytes resulted in no significant differences in body weight between the different groups at each time point following initial sensitization. However, markers of DNCB-induced AD were significantly inhibited (P<0.05) in a concentration-dependent manner following bathing in all concentrations of ESGWc. The results obtained in the present study suggest that bathing in ESGWc may have favorable protective effects against DNCB-induced AD due to favorable systemic and local immunomodulatory effects, active cytoprotective anti-apoptotic effects, inhibitory effects of matrix metalloproteinase activity, and anti-inflammatory and antioxidative effects.</P>
Neuroimaging Findings in Patients with COVID-19: A Systematic Review and Meta-Analysis
Kim Pyeong Hwa,Kim Minjae,Suh Chong Hyun,Chung Sae Rom,Park Ji Eun,Kim Soo Chin,Choi Young Jun,Lee Jeong Hyun,Kim Ho Sung,Baek Jung Hwan,Choi Choong Gon,Kim Sang Joon 대한영상의학회 2021 Korean Journal of Radiology Vol.22 No.11
Objective: Central nervous system involvement in coronavirus disease 2019 (COVID-19) has been increasingly reported. We performed a systematic review and meta-analysis to evaluate the incidence of radiologically demonstrated neurologic complications and detailed neuroimaging findings associated with COVID-19. Materials and Methods: A systematic literature search of MEDLINE/PubMed and EMBASE databases was performed up to September 17, 2020, and studies evaluating neuroimaging findings of COVID-19 using brain CT or MRI were included. Several cohort-based outcomes, including the proportion of patients with abnormal neuroimaging findings related to COVID-19 were evaluated. The proportion of patients showing specific neuroimaging findings was also assessed. Subgroup analyses were also conducted focusing on critically ill COVID-19 patients and results from studies that used MRI as the only imaging modality. Results: A total of 1394 COVID-19 patients who underwent neuroimaging from 17 studies were included; among them, 3.4% of the patients demonstrated COVID-19-related neuroimaging findings. Olfactory bulb abnormalities were the most commonly observed (23.1%). The predominant cerebral neuroimaging finding was white matter abnormality (17.6%), followed by acute/subacute ischemic infarction (16.0%), and encephalopathy (13.0%). Significantly more critically ill patients had COVID-19-related neuroimaging findings than other patients (9.1% vs. 1.6%; p = 0.029). The type of imaging modality used did not significantly affect the proportion of COVID-19-related neuroimaging findings. Conclusion: Abnormal neuroimaging findings were occasionally observed in COVID-19 patients. Olfactory bulb abnormalities were the most commonly observed finding. Critically ill patients showed abnormal neuroimaging findings more frequently than the other patient groups. White matter abnormalities, ischemic infarctions, and encephalopathies were the common cerebral neuroimaging findings.
Characteristics of Solid Fuel Oxidation in a Molten Carbonate Fuel Cell
Lee, Choong-Gon,Kim, Yu-Jeong,Kim, Tae-Kyun,Lee, Sang-Woo The Korean Electrochemical Society 2016 Journal of electrochemical science and technology Vol.7 No.2
Oxidation behaviours of ash free coal (AFC), carbon, and H<sub>2</sub> fuels were investigated with a coin type molten carbonate fuel cell. Because AFC has no electrical conductivity, its oxidation occurs via gasification to H<sub>2</sub> and CO. An interesting behaviour of mass transfer resistance reduction at higher current density was observed. Since the anode reaction has the positive reaction order of H<sub>2</sub>, CO<sub>2</sub> and H<sub>2</sub>O, the lack of CO<sub>2</sub> and H<sub>2</sub>O from AFC results in a significant mass transfer resistance. However, the anode products of CO<sub>2</sub> and H<sub>2</sub>O at higher current densities raise their partial pressure and mitigate the resistance. The addition of CO<sub>2</sub> to AFC reduced the resistance sufficiently, thus the resistance reduction at higher current densities did not appear. Electrochemical impedance results also indicate that the addition of CO<sub>2</sub> reduces mass transfer resistance. Carbon and H<sub>2</sub> fuels without CO<sub>2</sub> and H<sub>2</sub>O also show similar behaviour to AFC: mass transfer resistance is diminished by raising current density and adding CO<sub>2</sub>.
논문(論文) : 이상 혐기성 공정을 이용한 음식물류폐기물폐수와 양돈폐수의 혼합액으로부터 수소 및 메탄 생산
김충곤 ( Choong Gon Kim ),강선홍 ( Seon Hong Kang ) 대한상하수도학회 2008 상하수도학회지 Vol.22 No.3
This study has been conducted to derive the bio-energy, hydrogen and methane production, from mixture of food wastewater and swine wastewater, the high strength organic wastewater and to increase effluent quality. To overcome this limitation in one-phase anaerobic process, two-phase anaerobic process combining hydrogen fermenter and methane fermenter was applied. In this system 2,323 ml H2/L was produced daily from Run II where 500 ml of heattreated sludge in methane fermenter was injected, and methane produced from methane fermenter did not show big difference regardless of the amount of returning sludge at each Run. It was concluded that the two-phase anaerobic process was the appropriat process to produce hydrogen and methane simultaneously and stably. Influent TCODCr to two-phase anaerobic process showed the range of 132~145 g/L(average 140 g/L), and effluent TCODCr range was 25~40 g/L(average 32 g/L), and organic removal efficiency showed 71~82%(average 76.3%).