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지해성(Haeseong Jee),서현아(Hyun-ah Seo),오준혁(Jun-hyuk Oh),최우진(Woo-jin Choi) 대한기계학회 2022 대한기계학회 춘추학술대회 Vol.2022 No.11
Plain and simple, a corrugated cardboard box(CCB) provides the right level of protection for goods in transit, which helps keep shipping costs down. As made mostly from trees, a renewable resource, corrugated cardboards are processed and also recycled into paper products and even new boxes. CCB come in a number of shapes and sizes. From regular slotted, squared-shaped containers, to full telescope designs for fragile items, there are a variety of styles to choose from. Moreover, thanks to the material’s durability, many corrugated packages can be reused multiple times before they even hit the recycle bin. The research provides an appropriate tool aid that makes the eco-friendly corrugated packaging to suit specific product shipping needs for the environment with no glues or extra binding material at all.
지해성(Haeseong Jee),서현아(Hyun-ah Seo),오준혁(Jun-hyuk Oh),최우진(Woo-jin Choi) 대한기계학회 2022 대한기계학회 춘추학술대회 Vol.2022 No.11
Plain and simple, a corrugated cardboard box(CCB) provides the right level of protection for goods in transit, which helps keep shipping costs down. As made mostly from trees, a renewable resource, corrugated cardboards are processed and also recycled into paper products and even new boxes. CCB come in a number of shapes and sizes. From regular slotted, squared-shaped containers, to full telescope designs for fragile items, there are a variety of styles to choose from. Moreover, thanks to the material’s durability, many corrugated packages can be reused multiple times before they even hit the recycle bin. The research provides an appropriate tool aid that makes the eco-friendly corrugated packaging to suit specific product shipping needs for the environment with no glues or extra binding material at all.
김의식,손광수,지해성,명남진,백운화 ( Eui Sik Kim,Kwang Soo Son,Hae Sung Jee,Nam Jin Myung,Un Hua Pek ) 한국하천호수학회 1996 생태와 환경 Vol.29 No.1
This study was proposed to control algal biomass in order to improve transparency of an artificial pond, using the manipulation of a pond ecosystem. Zooplanktons isolated from natural populations were tested for their algal clearance rate. The size of two ponds were 1,500 and 2,000 m^3, respectively. Average depth of two ponds was shallow around 1 m. Fish were completely excluded from Pond-A instead of introducing zooplanktons, and Pond-B was added fish with the same condition of Pond-A. Turbidity of Pond-A was less than 10 FTU and transparency was about 1 meter depth during the experimental periods(May-Aug., 1995). In contrast, Chl-a and turbidity of Pond-B were 40 FTU and 55㎍·1^-1 and transparency was mostly less than 20 cm during summer season.
L - Tyrosine 및 Thiosemicarbazide 급여가 메추리의 근육연도 ( 筋肉軟度 ) 와 Collagen 함량에 미치는 효과
지규만,강면희,지해성 ( K . M . Chee,M . H . Kang,H . S . Jee ) 한국축산학회 1982 한국축산학회지 Vol.24 No.6
Effects of administration of thiosemicarbazide (TSC) and L-tyrosine supplemented to the diets on tenderness and intramuscular collagen levels in muscles of 10 months old female quails (Cortunix cortunix j.) were studied. Forty birds were alloted into 4 dietary treatments, i.e. Basal diet, B.D.+tyrosine (1.5%), B.D. + TSC (0.03%) and B.D. + tyrosine (1.5%)+TSC (0.03%). All diets fed for 18 days were made isocaloric and isonitrogenous by supplementing tyrosine at the expense of L-glycine. The semipurified basal diet was composed of soybean oil meal as the only source of nitrogen, glucose and corn oil as major ingredients. Birds fed the diets containing TSC alone or along with tyrosine consumed significantly less feed and showed severe body weight loss compared to the birds fed the other diets (p$lt;0.05). Administration of either TSC or tyrosine, however, did not induce significant changes in weight of organs such as liver, heart, spleen and thyroid gland expressed as % of body weight. No statistical differences were observed in plasma ascorbic acid contents, collagen levels in thigh muscle (biceps femoris) and levels of thermal labile collagen in breast muscle (pectoralis superficialis) among the birds fed the various diets. Shear values measured by an Instron tended to be higher in the order of control $lt; tyrosine $lt; TSC Tyrosine + TSC groups without significance. Collagen content in breast muscle appeared significantly higher in birds fed the diets with TSC or tyrosine + TSC (P$lt;0.05). Percentage of thermal labile collagen of total collagen was reduced by administration of TSC alone. The tendencies appeared here are partly not in agreement with those observed in chicken. It is not clear whether the results observed in present experiments were due to the severe weight loss caused by TSC or to species differences.