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- 저자 : 임승용(Seung-Yong Lim) (검색결과 8 건)
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국내산 대두의 불용성 물질을 포함한 두유 요구르트의 발효 및 품질 특성
임승용(Seung-Yong Lim) 동아시아식생활학회 2016 동아시아식생활학회지 Vol.26 No.6
The objective of this research was to determine the fermentation and quality properties of soy yogurt incorporating insoluble components fermented with Streptococcus thermophilus (S. thermophilus) and Lactobacillus bulgaricus (L. bulgaricus) for 24h. Boiled soybeans were ground and reconstituted into equivalent total solids (18%). After soymilk was homogenized with sugar, it was pasteurized in a water bath at 90℃ for 30 min. Two kinds of lactic acid bacteria were inoculated into two types of soymilk after cooling down 40∼45℃ and fermentation at 37℃ for 24h. Titrable acidity, pH, viscosity, sugar content, and number of viable cells were determined in triplicate. Soy yogurt fermented with L. bulgaricus did not reach pH 4.5, where as S. thermophilus was considered good for achieving pH 4.08 and titratable acidity of 2.27% for 24 h. Soy yogurt fermented with S. thermophilus had a higher viscosity and lower sugar contents than that fermented with L. bulgaricusas incubation time increased. Total viable count was 1.80 × 1010 CFU/mL on S. thermophilus and 2.16 × 108 CFU/mL on L. bulgaricus after 24 h at 37℃. However, there was no significant difference in sensory intensities and preference between the two samples. As a result, S. thermophilus was identified as a better culture than L. bulgaricus for the manufacture of soy yogurt incorporating insoluble components.
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두유, 이눌린, 쌀가루를 첨가하여 Lactobacillus acidophilus를 이용한 푸딩의 냉장 저장 중 품질 특성 및 프로바이오틱스 생존율
한인화 ( Inhwa Han ),임승용 ( Seung-yong Lim ) 한국산업식품공학회 2021 산업 식품공학 Vol.25 No.3
This research aimed to investigate the effects of the inoculation method and diverse ingredients on the quality properties and probiotics viability of pudding with milk and/or soymilk. The probiotic strain (Lactobacillus acidophilus, LA-5) was inoculated into the yogurt base and fermented until the pH is 5.10± 0.05. The fermented yogurt was added into pudding base (yogurt inoculation), or LA-5 was directly inoculated (direct inoculation). During the storage of the puddings at 4±1℃ for 4 wks, the quality characteristics (pH, acidity, texture) and the probiotics viability of pudding were measured and compared. As a result, the puddings with yogurt inoculation showed significantly lower pH and higher acidity than those with direct inoculation. In texture properties, including hardness, chewiness, and gumminess, the addition of rice powder increased those in milk pudding more but the addition of inulin in the milk-soymilk pudding more. The addition of rice powder increased probiotics viability more than inulin in milk and milk-soymilk puddings. Therefore, adding rice and/or inulin can potentially improve the probiotics viability and quality characteristics of pudding.
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공정시간 및 온도에 따른 웨이퍼레벨 패키지 접합 최적설계에 관한 연구
고현준(Hyun-Jun Ko),임승용(Seung-Yong Lim),김희태(Hee-Tea Kim),김종형(Jong-Hyeong Kim),김옥래(Ok-Rae Kim) 한국생산제조학회 2014 한국생산제조학회지 Vol.23 No.3
Wafer level package technology is added to the surface of wafer circuit packages to create a semiconductor technology that can minimize the size of the package. However, in conventional packaging, warpage and fracture are major concerns for semiconductor manufacturing. We optimized the wafer dam design using a finite element method according to the dam height and heat distribution thermal properties. The dam design influences the uniform deposition of the image sensor and prevents the filling material from overflowing. In this study, finite element analysis was employed to determine the key factors that may affect the reliability performance of the dam package. Three-dimensional finite element models were constructed using the simulation software ANSYS to perform the dam thermo-mechanical simulation and analysis.
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웨이퍼 레벨 패키지 공정의 웨이퍼 크기변화에 따른 최적화 설계
김종형(Kim, Jong Hyeong),고현준(Ko, Hyun Jun),임승용(Lim, Seung Yong) 한국전시산업융합연구원 2015 한국과학예술융합학회 Vol.19 No.-
최근 반도체 산업 동향은 생산 원가의 절감을 위해 12인치(300mm) 웨이퍼를 지나 18인치(450mm) 웨이퍼로 동향이 변하고 있는 추세이다. 때문에 치수 변화에 따른 웨이퍼 레벨 패키지 공정의 박막 증착을 위한 공정의 호환성 검증이 필요시 된다. 웨이퍼 레벨패키지 기술은 웨이퍼 표면상에 회로 패키지를 형성함으로 패키지의 크기를 최소화 할 수 있는 반도체기술이다. 이러한 패키징 공정에 있어 가장 중요한 요소는 휨과 깨짐 현상이다. 우리는 12인치와 18인치의 웨이퍼에 댐의 높이 및 열 분포에 따른 열적 특성을 유한요소해석 방식을 통해 최적화 공정을 설계하려 한다. 여기서 댐이란 웨이퍼 상의 이미지 센서의 균일한 부착 및 충전물질이 넘치는 것을 방지하는 역할을 한다. 때문에 본 연구에서는 유한요소 해석을 통해 댐의 형상이 패키지의 신뢰성 성능에 끼치는 영향성을 판단하고, 3D 모델링된 패키지 모델에 대한 열적 기계적 시뮬레이션을 통해 결과를 분석하였다. Recently the wafer size migration from 12" (300 mm) to 18" (450 mm) for the industry cost reduction can be achieved. Because it requires better thin film deposition property and the larger process compatibility. Wafer level package technology is added to the surface of wafer circuit packages to create a semiconductor technology that can minimize the size of the package. However, in conventional packaging, warpage and crack are major concerns for semiconductor manufacturing. We optimized the 12” and 18” wafer dam design using a finite element method according to the dam height and heat distribution thermal properties. The dam design influences the uniform deposition of the image sensor and prevents the filling material from overflowing. In this study, finite element analysis was employed to determine the key factors that may affect the reliability performance of the dam package. Three-dimensional finite element models were constructed using the simulation software ANSYS to perform the dam thermo-mechanical simulation and analysis.
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SURF, CAMSHIFT와 광류를 이용한 모바일 로봇의 객체 추종에 관한 연구
김종형(Jong Hyeong Kim),장경재(Kyung Jae Jang),임승용(Seung-Yong Lim) 한국생산제조학회 2017 한국생산제조학회지 Vol.26 No.5
This study proposed a novel tracking algorithm for a mobile robot using modified CAMSHIFT and optical flow. CAMSHIFT algorithm is vulnerable to the lighting, brightness and speed of the object because it is based on the HSV color space model. To overcome the difference of light condition, the searching window of CAMSHIFT is set by SURF algorithm. Optical flow information is used to predict the position and velocity of the fast-moving object. The CAMSHIFT searching window in an image can be adjusted quickly. Furthermore, an ultra-sonic sensor is used to calculate the distance to an object. The proposed fusion algorithm shows superior performance in terms of accuracy, speed and reliability, compared with original SURF and CAMSIFT.
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최설민(Seul Min Choi),김대영(Dae Young Kim),박요안(Yo An Park),이미경(Mi Kyung Lee),송현수(Hyun Sue Song),권오성(Oh Sung Kwun),임승용(Seung Yong Lim),배혜진(Hye Jin Pae),신동훈(Dong Hun Shin),김주영(Ju Young Kim),김형식(Hyung Sik Kim 대한약학회 1999 약학회지 Vol.43 No.3
Hair growth effects of Sangmosu have been evaluated in C57BL/6 mice. Animals were topically treated with Sangmosu (50 or 100mcl/mouse) for 40 days on the back of shaved area. Twenty days after treatment, hair growth effects were significantly observed in both female and male mice. There was no sex difference although 30 days after treatment female mice were shown to be more effective at the dose of 50mcl/mouse than males. These data demonstrate that Sangmosu is very effective in hair growth effects in animals and thus it may be applicable to humans.
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