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김하림(Ha-Rim Kim),정주현(Ju-Hyun Jeong) 한국안광학회 2019 한국안광학회지 Vol.24 No.2
Purpose: To assess changes in the dynamic visual acuity (DVA) in the presence of additional power. Methods: Forty adults (mean age 24.02 years) without binocular vision disorders were enrolled in the DVA measurement group. Binocular DVA was randomly measured using a 7A lens and a progressive lens with 1 D, 2 D, and 3 D additions. Results: Mean DVA for a monofocal lens was 78.45 deg/sec. Mean DVA after the addition of a 1 D, 2 D, or 3 D lens was 69.30˚/sec, 68.25˚/sec, and 62.85˚/sec, respectively. Therefore, mean DVA decreased with an increase in additional power. Conclusions: DVA of the lenses with additional power were lower than the mean DVA for a monofocal lens by 15%. DVA values gradually decreased with the subsequent increase in the power of addition.
金河林(Kim, Ha Rim) 중국근현대사학회 2018 중국근현대사연구 Vol.78 No.-
The article aimed to focus on the significance of the discourse of controlled economy that had been popular over the intellectual milieu of China in 1930s. The article pursued to overview the intellectual trend in that period, in particular, investigate various moments and points for its emergence within the context of the perception of modernization. In 1930s the world encountered a great deal of demand for the reformation of capitalism, which was closely connected to the formation and the spread of the discourse of controlled economy in China. The contrast between the crisis of the Great Depression by the United States of America and the celebration of the Five-year plan by the Soviet Union defined the characteristic of the discourse of controlled economy in China as contemporary reaction. The foundation of the Nanjing Government strongly involved in the formation of the discourse. The political circumstances since introduction of the government and the outbreak of the Manchurian Affair further complicated the discourse. The Principle of People’s Livelihood, a prototype of the Chinese non-capitalist modernization, played a significant role for the discourse of controlled economy to broaden its ideological scope by its being converged with the discourse, and the practice of Principle itself also became expanded and deepened by it. The article particularly emphasized that the discourse of controlled economy enabled related discussions for a subjective pathway to the modernization of China grounded upon the periodic circumstance of 1930s. Here, I argued that the implication for the discourse of controlled economy lay in the fact that it sparked the alteration of the discourse of modernization itself. Such qualitative change in perception further conditioned the intellectual trend in 1940s along with non-capitalist scope. There are three connected clues in terms of the acceptance to the discourse of controlled economy: First, the socialist perspective in Chinese intellectual milieu was rather gradually underscored via the structure of the discourse of controlled economy. Second, there had been formed a wide agreement with mixed economy as a result of subjective acceptance of the discourse. Three, there occurred politico-intellectual divergence according to the subjects, and accelerated the political changes in 1940s. The discourse of controlled economy in China not only reveal the intellectual significance of 1930s, but it also allow us to glimpse the characteristic of the Chinese Revolution in the twentieth century. More studies on the topic are anticipated.
‘통제경제(統制經濟)’와 ‘계획경제(計劃經濟)’의 교차와 길항 -1930년대 중국 통제경제론(統制經濟論)의 개념화-
金河林 ( Kim Ha Rim ) 중국사학회 2020 中國史硏究 Vol.0 No.125
The discourse on controlled economy in China was formulated in the 1930s when the fall of capitalism was intersected with the rise of socialism. Its formulation was closely connected with the Chinese perception on planned economy as an alternative to free economy in that its conceptualization process was largely influenced by the existing terminology of the planned economy. This study takes a multifaceted analysis on the dynamics of the conceptualization of the controlled economy. It pays attention to the fact that the theory on the controlled economy in China was developed along with a resonance of planned economy caused by a contemporary change, namely the transition of capitalism. The study first examines the political and intellectual context of the terminology “controlled economy” centering on the discourses by contemporary Chinese intellectuals. Then, it analyzes the practice of conceptualization of the theory of controlled economy in consideration with its relationships with the concept of planned economy. Finally, the study suggests the implication of the intellectual movement of conceptualizing controlled economy in grasping the contemporary practice of 1930s. In conceptualizing controlled economy, we can observe that it was often merged with the concept of planned economy. Its terminological usage, denotations and categories varied between disputants. It was basically because of the disagreements on commonness and disparities of the two theory, for instance, about the evaluation of socialistic modernization or the chances of its realization in China, etc. And yet, disputants largely consented in the conceptualization of controlled economy that they were commonly in favor of socialism; they regarded controlled economy as a harmonizing but temporarily adoptable model in minimizing the vice of capitalism and maximizing the virtue of planned economy. It requires to pay our attention as to understand the intellectual implication that the conceptualization of the theory of controlled economy was carried out as a critical reorganization of planned economy which had been suggested as an alternative to free economy, and as an independent interpretation of Chinese intellectuals which was lively attached to the semi-colonial circumstance of China.
할로잉 운동 시 시각적 피드백 방법에 따른 복근 두께에 미치는 영향 비교
김하림 ( Ha-rim Kim ),손호희 ( Ho-hee Son ) 대한물리의학회 2021 대한물리의학회지 Vol.16 No.3
PURPOSE: Selective strengthening of the transverse abdominis muscle (TrA) during abdominal hollowing makes an important contribution to the stability and control of the spine. This study examined the effects of abdominal hollowing exercise (AHE) according to the visual feedback method on the external oblique, internal oblique, and transverse abdominis muscles. METHODS: Twenty healthy subjects were assigned randomly to an AHE with visual feedback from real-time ultrasound image (group A, n = 10), AHE with visual feedback with pressure biofeedback unit (group B, n = 10). Both groups underwent 20 min of AHE with visual feedback once daily, five days/week for two weeks. The changes in the muscle thickness of the TrA, internal oblique abdominal muscle (IO), and external oblique abdominal muscle (EO) were measured by ultrasonography. RESULTS: The thickness of TrA was changed significantly in both groups (p < .05). However, the lowest minimal detectable changes were achieved in Group A. The thickness of the IO and EO muscles in group A was changed significantly, but there were no significant changes in group B. CONCLUSION: Both visual feedback methods were effective for strengthening the TrA muscles selectively. Nevertheless, AHE with visual feedback using real-time ultrasound images may be more useful in trA muscle contraction.
김하림(Ha-Rim Kim),김수남(Soo-Nam Kim),김홍백(Hong-Baek Kim),김세환(She-Whan Kim) 한국보건교육건강증진학회 2010 보건교육건강증진학회지 Vol.27 No.1
Objcetive: The purpose of this study was to establish body mass index percentiles and cutoffs for overweight and obesity in East Asian Adolescent. Methods: Based on one's age and gender, subjects were selected and measured their weight and height in order to calculate BMI. For BMI cut off points, data were analyzed and percentile curves were established by the modified LMS method. Results were followed by comparing BMI cut off points and percentiles with one's nationality, age and gender. Results: The prevalence of male's overweight and obesity among East Asian adolescent were as follows: Taiwan (15.4%, 9.0%), Korean (14.5%, 8.5%), Chinese (13.3%, 6.6%), and Japanese (6.0%, 2.1%). And for female, Korean (13.1%, 3.7%), Taiwan (12.6%, 5.1%), Chinese (8.3%, 2.3%) and Japanese (7.9%, 3.1%) were in the order. Conclusion: Corresponded to the whole subjects, 11.0% of men were overweight, 4.7 were obesity and that appeared in women with 9.0% in overweight, 3.5% were obese.
김하림(Ha-Rim Kim),정주현(Ju-Hyun Jeong) 한국안광학회 2019 한국안광학회지 Vol.24 No.3
Purpose: The purpose of this study was to investigate the optical and physical properties of different polarized lenses commercially available in Korea. Methods: Optical (transmittance and reflectance) and physical (heat- and wear-resistance) properties were evaluated for six different polarized lenses. Transmittance was measured and divided into three blue-light regions. Heat-resistance was evaluated using the time taken by the coating layer to crack. Lenses were placed in a heater, which was pre-heated to 80℃, and the presence of cracks was assessed every 10 min. The wear-resistance test was performed with a pen scratch. Results: All six samples showed a high ultraviolet (UV) blocking ratio in UVC (200-280 nm) and UVB (280-320 nm) regions, with transmittance of 0. Transmittance increased to 1.63% in the UVA (320-380 nm) region and gradually to 17.39% in the visible spectrum (VIS, 380-750 nm) region. Spectral luminance in the VIS (380-750 nm) region was 16.73-24.45%. Average reflectance in the VIS region (380-750 nm) was 4%. Time taken for the coating layer to crack was 120 min in the heat-resistance test. Conclusions: All polarized lenses included in this study completely blocked UVC and UVB light. Average reflectance in the VIS region (380-750 nm) was 4.4%. Average pencil hardness was 6H, containing 250 g of graphite.
방향족 무수물 기반의 에폭시 변성 아크릴레이트 바인더 합성 및 SiO₂ 레지스트 제조에 관한 연구
김하림(Ha-Rim Kim),김도현(Do-Hyun Kim),김영운(Young-Woon Kim),이운영(Woon-Young Lee),배진영(Jin-Young Bae) 한국고분자학회 2018 폴리머 Vol.42 No.4
본 연구에서는 유기 절연막에 적용 가능한 새로운 광경화 에폭시 변성 아크릴레이트의 합성 및 그 특성에 대해 살펴보았다. 우선 다양한 에폭시 변성 아크릴레이트를 합성하기 위하여 산 무수물과 하이드록시 아크릴 단량체의 조합에 의해 diesteric acid(DA) 유도체를 반응시켰다. 합성된 diesteric acid(DA)에 에폭시 화합물인 글리시딜 메타아크릴레이트(glycidyl methacrylate)를 반응시켜 광경화 타입의 에폭시 변성 아크릴레이트를 합성하였다. 그리고 실리카 분산액인 NANOBYK-3650과의 호환성을 살펴보았다. 사용한 단량체의 구조에 기인하여 실리카와 최적의 바인더를 선정하고 이를 고투과율·저유전 실리카 레지스트에 적용시키고자 배합을 하여 유기 절연막을 제조하였다. 실리카 함량에 따른 투과율, 패턴성, 열 안정성 그리고 전기적 특성(유전 상수)을 확인하였다. In this study noble UV-curable epoxy modified acrylates binder was designed and synthesized to apply an organic insulating film. Firstly, diesteric acid (DA) derivatives were prepared from anhydrides and hydroxy acrylates to synthesize epoxy modified acrylates. UV-curable epoxy modified acrylates were prepared from synthesized diesteric acid (DA) and epoxy chemicals, glycidyl methacrylate (GMA). The miscibility with silica millbase ‘NANOBYK-3650’ was investigated. Appropriate binder with silica was chosen by considering the monomer chemical structure. To obtain an organic insulating film with high transmittance and low k silica resist, optimum composition of UV-curable epoxy modified acrylates was also formulated. Transmittance, patternability, and electrical properties (dielectric constant) was measured.