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강세훈(S. H. Kang),이철우(C. U. Lee),이응혁(E. H. Lee) 한국재활복지공학회 2019 한국재활복지공학회 학술대회논문집 Vol.2019 No.4
Intravenous infusion therapy is one of the necessary treatments for many patients and is a major part of nursing practice. However, due to the lack of nursing staff, patient management if difficult and errors related to the drug infusion rate are frequent, leading to frequent medical accidents. This paper aims to administer sap more safely and reduce the burden of nursing work. We used load cell, Wi-Fi and peristaltic pumps to control drug infusion rate and fluid consumption.
김선미,김상기,변성혁,정희영,강세훈,임종철,윤승현,신용윤,Kim, S.M.,Kim, S.K.,Byun, S.H.,Jung, H.Y.,Kang, S.H.,Lim, J.C.,Yoon, S.H.,Shin, Y.Y. 한국전자통신연구원 2019 전자통신동향분석 Vol.34 No.1
Various hyper-intelligent and ultra-realistic data-driven services are being increasingly developed with the goal of achieving a hyper-connected intelligent society. To sustain this trend, our research focuses on the integration and optimization of data-driven applications from several aspects such as delivery, storage, execution, and sharing of data and software, beyond the limitations of the existing network infrastructure. In this paper, we present important research issues of data-centric hyper-distributed autonomous infrastructure technologies.
이종옥 ( Lee J. W. ),송건응 ( Song K. Y. ),서동성 ( Suh D. S. ),유영창 ( Yoo Y. C. ),이헌진 ( Lee H. J. ),강세훈 ( Kang S. H. ) 대한화장품학회 1993 대한화장품학회지 Vol.19 No.1
화장품에 사용되는 미분체의 혼합특성을 알기 위하여 화장품용 미분체 혼합기인 ribbon mixer, powder mixer micropulverizer, fine impact mill에 미립자, 구상 및 판상의 형태를 가진 bulk powders를 혼합시간을 변화 시키면서 혼합하는 실험을 하였다. 혼합분체의 혼합정도를 평가하기 위하여 산화철을 tracer로 사용하였으며, 원료 및 혼합물의 particle size distribution, specific surface area, density 및 표면색상을 측정하였다. 미분체 혼합물의 혼합시간과 표면색상변화, 입도분포 및 비표면적과의 사이에 대수적 1차 상관관계가 성립되었고, 색상의 변화로부터 혼합정도를 평가할 수 있는 간단한 식을 도출하였다. 사용된 혼합기에 대해 혼합기구별 modelling과 혼합에 따른 입도 분포 및 비표면적의 변화로부터 혼합기 impellar tip에서의 linear velocity별 혼합기는 대류혼합, 전단혼합 및 확산혼합으로 분류되었다. The cosmetic fine powders were mixed with variation of mixing time(s) in the mixers (ribbon mixer, powder mixer, micropulverizer and fine impact mill). The powders were nixed with small amount of ferric oxide as tracer. The mixed powders ere measured the particle size distribution, specific surface area and surface color with mixing time (s). The color variation, particle size distribution and specific surface area of the mixed powder exist a relationship with mining time(s) that can be expressed as mathematical equations to show the degree of the mixing of the powder mixture. The linear velocity of the impellar tip is the main factor contributing to he mixing efficiency of the mixers un this study. According to the linear velocity, he mixers used are devieded as convection mixing (ribbon mixer), sclera mixing powder mixer) and diffusion mixing (micropulverizer/fine impact mill).
이향우,강세훈,남기대 ( H . W . Lee,S . H . Kang,K . D . Nam ) 한국유화학회 1994 한국응용과학기술학회지 Vol.11 No.2
As raw materials, the inorganic pigments, such as mica, talc and some metal oxides were mainly used in Make-Up cosmetics. Some other polymerics, organics and functional pigments were also used to cope with the various consumer`s demends. Recently, excellent sliding, adhensiveness, coverture and UV cutting properties were strongly required in Make-Up cosmetics. According to these demends, it needs to understand the functional properties of each pigment and consider the proper use for some purpose. And so, this report introduce the properties of inorganics, polymerics and functional pigments and their application fields for Make-Up cosmetics.
자외선-B에의한 Hairless mouse의 보호기능과 표면구조의 변화 영향
김진준 ( J. J. Kim ),박문억 ( M. E. Park ),강세훈 ( S. H. Kang ) 대한화장품학회 1992 대한화장품학회지 Vol.18 No.1
Hairless mouse에 자외선-B를 일회 조사한 후 시간에 따른 피부보호기능과 표면구조변화의 정도를 TEWL과 주름살밀도로 측정하였다. 자외선-B의 조사 량은 0.5, 1과 3 MED 였으며, 측정 및 관찰은 조사전과 조사 후 1, 3, 5, 7 및 14일에 수행하였다. TEWL은 Evaporimiter로, 주름살밀도는 silicone replica와 image-analyzer를 이용하여 측정하였다. 조사전과 0.5MED 그룹들의 TEWL값은 변화가 없었으나, 1과 3MED그룹들의 TEWL값은 현저한 변화를 보여 3일째에 극대 값을 보였고, 이후 감소하기 시작하여 14일째에는 거의 정상 값에 도달하였다. 반면 주름살밀도는 자외선-B의 조사량에 비례하는 경향을 보여 모든 조사 그룹에서 3-5일째까지 감소한 후 서서히 증가하였다. 결과로부터, 1) 자외선 조사 후 시간에 따른 TEWL과 주름살밀도의 최대, 소 값은 3일째에 나타났으며, 2) 주름살밀도의 회복정도가 조사량에 상관없이 시간에 따라 일정한 기울기를 보였으며, 3) 주름살밀도측정만이 Sub-erythemal 손상의 정도차를 유의하게 보여주었다. Hairless mice (Skh:HR-1) exposed to single doses (0.5, 1.0 and 3. OMED) of UV-B radiation were displayed remarkable changes of barrier function and surface morphology. Trans- epidermal water loss (TEWL) as an index of barrier function was measured by evaporimeter, and wrinkle density (WD) as an index of morphological alteration was measured by image analyzer. Significant changes of TEWL were not observed in the control and 0. SMED group, but 1.OMED and 3. OMED groups noted significant difference. TEWL of 3. OMED group was rapidly increased to the 3rd day and decreased until the 14th day when it reached nearly to normal level, Time-courses of TBWL for 1. OMEB and 3. OMED groups displayed similar pattern, but different only in the magnitude. WD were significantly decreased during the 3rd-5th day in all of the irradiated groups and then increased during the last period to the 14th day, but did not recover the normal level at the 14th day. Time-courses of WD for all groups exhibited similarity, and were entirely dependent on the exposed doses. We also observed histological changes which included hyperplasia, sunburn cell (SBC) formation, accumulation of polymorphonuclear leukocyte (PMNs), and loss of collagen of UVB- exposed hairless mouse skin. Changes of TEWL and WD are helpful in understanding of epidermal and dermal damages by single exposure of UVB