• 제목/요약/키워드: Storage Condition

검색결과 1,766건 처리시간 0.029초

과실 피막제 및 Ethylene 제거제의 수확후 처리가 '후지'사과의 저장력과 상온유통에서의 상품성에 미치는 영향 (Effects of Postharvest Fruit Coating and Ethylene Scrubber in Polyethylene Film Wrapping on the Marketability of 'Fuji' Apples during Storage and Marketing)

  • 황용수;이재창;천종필
    • 농업과학연구
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    • 제20권1호
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    • pp.9-17
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    • 1993
  • '후지' 사과의 저장 및 유통 과정에서의 상품성 향상을 위한 몇가지 수확 후 처리기술을 검토한 결과 다음과 같은 결과를 얻었다. Polyethylene film 포장은 저장 중의 수분손실 방지에 따른 감량억제에 탁월한 효과를 보여 주었으나 저장기간이 걸어짐에 따라 PE 대내의 ethylene 축적으로 인한 과실의 노화가 심하였다. Polyethylene 포장과 ethylene scrubber를 함께 포장한 경우 저장 12주까지 선도유지에 효과적이었으나 장기저장에서는 ethylene scrubber의 효과가 저하되어 선도유지에 대한 효과가 감소되었다. 피막제 중 Prolong 처리는 감량 방지에 대한 효과가 인정되지 않았으나 수용성 wax 처리는 효과적이었다. 그러나 wax 처리는 일부 과실에서 조직의 괴사를 수반하는 장해를 유발하였으나 장해를 받지 않은 과실은 저장 21주까지 매우 신선한 상태를 유지하였다.

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HESS(Hoop Energy Storage System)에서의 안정화 조건(stabilization condition) 과 공심코일실험을 통한 가능성 유효 출력의 계산

  • 오범환;조수범;김동일;이관철;정기형
    • 한국에너지공학회:학술대회논문집
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    • 한국에너지공학회 1996년도 추계학술발표회 논문집
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    • pp.13-17
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    • 1996
  • 관성 에너지 저장 장치인 HESS (Hoop Energy Storage System)의 안정적인 운용을 위해 가장 중요한 자기 반발력하에서의 안정화 조건을 dipole approximation을 이용하여 계산하였다. 또한 고주파 입출력을 고려하여 공심코일을 이용한 자기유도 실험을 통하여 HESS에 있어서 가능한 출력을 예측하여 보았다.

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TREATMENT OF CHINESE CABBAGE JUICE

  • Kim, S. H.;N. Proydak;B. S. Shin
    • 한국농업기계학회:학술대회논문집
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    • 한국농업기계학회 2000년도 THE THIRD INTERNATIONAL CONFERENCE ON AGRICULTURAL MACHINERY ENGINEERING. V.III
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    • pp.792-802
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    • 2000
  • The coagulation of Chinese cabbage juice can be accomplished by applying the combine method of the formic acid with rate of 3% and in four hours the propionic acid with rate of 1 % in the juice. The separation of coagulation into the protein paste and the brown juice completed in 6.5 hours by set up method in special storage. The protein paste can be stored safely for 30 days in anaerobic condition.

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피라미드 형태의 적재장 최적 설계 (Designing Stacking Facilities of Pyramid Type)

  • 박퇴경;김갑환
    • 대한산업공학회지
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    • 제33권2호
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    • pp.227-236
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    • 2007
  • This paper proposes a method for designing stacking warehouses of pyramid type which can be found in storage rooms for steel coils, paper rolls, and drums for oils. Formulas were derived for estimating the expected travel time of cranes and the expected time for rehandling activities. Based on the derived formulas, this study derives the cost function for determining the optimal numbers of rows, bays, tiers of stacks under the condition that the requirement for storage space is satisfied. Numerical examples were given.

Effect of humidity on the quality characteristics of the 3rd day of 5th instar silkworm powder

  • Lee, Ji Hae;Kim, SooHyun;Jo, You-Young;Kweon, HaeYong;Jeon, Jong Young;Ju, Wan-Teak;Kim, Hyun-Bok;Kim, Kee-Young;Kim, Seong-Wan;Kim, Su-Bae
    • International Journal of Industrial Entomology and Biomaterials
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    • 제39권2호
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    • pp.74-81
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    • 2019
  • Freeze-dried 3rd day of 5th instar silkworm powder (FDSP) has been produced and consumed as functional food ingredient in Korea. Generally, FDSP is distributed in the dehumidification state. In this study, the effect of humid condition (30%, 50%, 70%, and 90% RH) on the quality characteristics of FDSP was examined. The color of FDSP, greenish yellow, becomes dark with the change of redness and yellowness. When FDSP is exposed for 4 h at 90% RH, the lightness was changed from 56 to 51, redness from -0.8 to 3.7, and yellowness from 26.5 to 21.6. The proximate composition of FDSP was not significantly changed except 90% RH condition. At that condition, moisture content (5.7%) was increased to 26.8% and crude fat (11.3%) decreased to 1.9% (3 wk 90% RH). Mineral content change during storage can be classified to 3 types; sulfur rapidly decreased, potassium mostly stable with some decreased with humidity, and sodium increased with high humid condition. Vitamins were not significantly affected. However, DNJ was abruptly decreased to 0.03 g/100g in humid condition.