• KOREAN JOURNAL OF PACKAGING SCIENCE & TECHNOLOGY
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• v.11 no.2
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• pp.75-79
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• 2005

With three kinds of agricultural products such as perilla leaves, this research is focussed on how to keep a freshness of agricultural products during long time transport by sea. In case of export fresh agricultural products by sea, research on products loading method onto the pallet is very important factor for keeping effective cold air circulation inside the freezing marine container. Details are as follows: Clear examination of palletization for cold air ventilation inside the container. Optimization of package dimension for best loading efficiency onto the standard pallet. Best layout of palletized products inside the container. Research for the change of circumstance and product quality inside the pack.

• Proceedings of the Safety Management and Science Conference
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• 2007.11a
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• pp.373-385
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• 2007

Three major Asian countries, Korea, China, and Japan, shared 18.3% of global GDP and 14.2% of global trade volume in 2005. When considering this number, cooperation of these three countries is very important. Also, it is needless to say that we need efficient international logistics system in Asia. The key point to realize efficient international logistics system is unit load system utilizing pallets and containers. To build up efficient logistics system among Korea, China, and Japan, we need 'total palletization' with standardized pallets. We may regard 'total palletization' as an 'efficient highway of North-Eastern Asia logistics.' In this study, we will suggest two kinds of effects, which logistics standardization among Korea, China, and Japan will make. One is the effect on economy and trade, and the other is the effect on logistics business and environments.

• Journal of the Korea Safety Management & Science
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• v.9 no.4
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• pp.91-98
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• 2007

Three major Asian countries, Korea, China, and Japan, shared 18.3% of global GDP and 14.2% of global trade volume in 2005. When considering this number, cooperation of these three countries is very important. Also, it is needless to say that we need efficient international logistics system in Asia. The key point to realize efficient international logistics system is unit load system utilizing pallets and containers. To build up efficient logistics system among Korea, China, and Japan, we need 'total palletization' with standardized pallets. We may regard 'total palletization' as an 'efficient highway of North-Eastern Asia logistics.' In this study, we will suggest two kinds of effects, which logistics standardization among Korea, China, and Japan will make. One is the effect on economy and trade, and the other is the effect on logistics business and environments.

• KOREAN JOURNAL OF PACKAGING SCIENCE & TECHNOLOGY
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• v.7 no.1
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• pp.21-24
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• 2001

This study was carried out to analyze the effects of packaging units and loading types in agricultural products(apple, pear, and sweet persimmon) palletization. In apple and pear packaging, an optimum loading type was pin wheel loading, and load effective corrugated box dimension was $330{\times}220{\times}170mmm(L{\times}W{\times}H)$ in 5 and 10kg packaging units, but in case of pear box was 10mm higher than apple box. However, in sweet persimmon packaging, block loading was available, and box dimension of $365{\times}275{\times}180mm(L{\times}W{\times}H)$ was the most effective to palletize.

• Journal of the Korean Wood Science and Technology
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• v.44 no.6
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• pp.864-871
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• 2016

This study was conducted to compare and analyze gross calorific values from measurement methods of lignocellulosic biomass and calculation data from calorific value prediction models based on the elemental content. The deviation of Liriodendron tulipifera (LT) and Populus euramericana (PE) was shown 7.7 cal/g and 7.4 cal/g respectively in palletization method, which are within repeatability limit 28.8 cal/g of ISO FDIS 18125. In the case of Thailand charcoal (TC), nontreatment method and palletization method was satisfied with repeatability limit as 22.8 cal/g and 8.8 cal/g respectively. Seowon charcoal (SC) was shown deviation of 11.4 cal/g in nontreatment method, because the density and chemical affinity of sample increases as the carbon content increases from heat treatment at high temperature in the case of TC and SC. In addition, after applying the elemental content of each of these samples to the calorific value prediction models, the study found that Model Equation (3) was relatively consistent with measured calorific values of all these lignocellulosic biomass. Thus, study about the correlation between the density and size of particle should be conducted in order to select the measurement method for a wide range of solid biofuels in the future.

• KOREAN JOURNAL OF PACKAGING SCIENCE & TECHNOLOGY
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• v.12 no.1
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• pp.1-5
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• 2006

Increasement of total cost during distribution chain requires packaging standardization to reduce extra handling and delays at transshipment point. In Korea, high valued agricultural products to export are most often shipped by air freight. Fresh flowers, in particular, the need to set package standard for air palletization are strongly recommended. This study tried to find an optimum standard dimensions for export packages. After extensive research on combinations of various flower dimensions, package dimensions and pallet sizes, we found that 96 inches pallet was most adequate for international air freight. Based on the results, new 40 standard package dimensions were introduced and stacking efficiencies were calculated.

• Proceedings of the Safety Management and Science Conference
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• 2005.11a
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• pp.1-9
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• 2005

Along with the increasing trade volume among Korea, China, and Japan, firm and efficient logistics management through mutual co-operation Is being highly requested. In order to achieve logistics efficiency, logistics standardization should precede. Using standardized pallet is the core of logistics standardization which is closely connected to the unit load system and palletization. This study focuses on pallet standardization in three countries which are Korea, China, and Japan. The dramatic effect from pallet standardization Is expected in economy / international trade field and logistics / environment field. This study suggests an institute of Asian logistics standardization as a method to accomplish the logistics standardization among three countries. When these three countries overcome the disparity in standardization level and diverse concerns, we will finally attain efficient logistics system which will work as a 'highway' of North-East Asian logistics.

• Journal of Microbiology and Biotechnology
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• v.29 no.3
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• pp.419-428
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• 2019

Phytases are enzymes that can hydrolyze phytate and its salts into inositol and phosphoric acid, and have been utilized to increase the availability of nutrients in animal feed and mitigate environmental pollution. However, the enzymes' low thermostability has limited their application during the feed palletization process. In this study, a combination of B-value calculation and protein surface engineering was applied to rationally evolve the heat stability of Escherichia coli phytase. After systematic alignment and mining for homologs of the original phytase from the histidine acid phosphatase family, the two models 1DKL and 1DKQ were chosen and used to identify the B-values and spatial distribution of key amino acid residues. Consequently, thirteen potential amino acid mutation sites were obtained and categorized into six domains to construct mutant libraries. After five rounds of iterative mutation screening, the thermophilic phytase mutant P56214 was finally yielded. Compared with the wild-type, the residual enzyme activity of the mutant increased from 20% to 75% after incubation at $90^{\circ}C$ for 5 min. Compared with traditional methods, the rational engineering approach used in this study reduces the screening workload and provides a reference for future applications of phytases as green catalysts.