• Journal of The Korean Society of Grassland and Forage Science
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• v.29 no.4
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• pp.345-354
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• 2009

The barley (Hordeum vulgare L.) is now widely grown as a whole crop silage in Korea, but the quality of that silage does not examined from farms. Therefore, this experiment was conducted to evaluate the forage quality of whole crop barley that was participated in Silage Quality Contest in 2008. These data were classified by region, dry matter (DM) yield, with or not additive, planting and harvest date. Difference on the lactic acid content of barley silage was detected in the region, DM yield, additive and harvest date (p<0.05), however, there were partially significant differences in chemical composition. There were significant differences among moisture content in DM yield, pH in additive, and crude ash content in additive and planting date of barley silage. Crude protein content was significant difference in the region, and ether extract content was in region, DM yield and harvest date, however, non-fiber carbohydrate was significant difference in planting date of barley silage. Neutral detergent fiber, acid detergent fiber and relative feed value were significant difference only in the cultivation region of whole crop barley. According to this experiment, differences in the silage quality were observed among whole crop barley silages. Therefore, nutritive value as well as moisture and pH are important in silage quality evaluation of whole crop barley. Especially, lactic acid is an important factor for the evaluation of whole crop barley silage.

• Progress in Medical Physics
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• v.1 no.1
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• pp.43-49
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• 1990

On the basis of the review of radiobiological date, a formalism is developed for the analysis and prediction of iso-effect relations for tissue tolerance, which can be used as an alternative to the norminal standard dose(NSD) formaula of Ellis and its derived equations. An important feature of the described formalism is that directly based on radiobiological insights and it provides a more logical concept to account for the diversity of tissue responses. The NSD concept has subsequently been extended to the formalisms of timedose-fractionation(TDF) value. The authors deriveded TDF equation on the basis NSD of Ellis. TDF=0.07(NSD)-26.

• Food Science and Industry
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• v.49 no.2
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• pp.51-55
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• 2016

The needs to develop high value-added foods are expanding due to the trends of food market, such as importance of food security by enlarged international free trades and expanded market size for processed foods. However, our home country exhibits limit transport to development of new products and high-value added area compared to other advanced countries. For this reason Ministry of Agriculture, Food and Rural Affairs and Institute of Planning and Evaluation for Technology have launched "High Value-Added Food Technology Development Program" for improvement of value of food resources for practical use since 2013. The program contains research to increase the values of agricultural and animal resources and the construction of database. Main research topics are studies in pretreatment techniques to improve the values of agricultural and animal resources, improvement of acceptability, and processing qualities that would be engrafted on materializaton and commercialization technologies. In addition the construction of a consolidated database regarding the research achievements is included in the program. Currently, studies in processing qualities for about 30 food materials re under progress, being suitable for materialization, for examples drying, fermentation, grinding, heat-treatment, and so on. The research results are provided in public through the consolidated database website after reconstruction in the form of united database format. To date the database containing the about 300 of research contents for process qualities has been constructed.

• Journal of The Korean Society of Grassland and Forage Science
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• v.43 no.3
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• pp.156-161
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• 2023

This study was conducted to determine the appropriate seeding dates by verifying the difference in winter survival and productivity of alfalfa according to fall sowing dates in the central area of South Korea. The experiment was conducted for 2 years (2020 and 2021) at the field in the Department of Animal Resources Development, NIAS located in Cheonan. Sowing dates started from September 18 to November 8 with 10 days of intervals during 2020 and 2021; SO1 (September 18), SO2 (September 28), SO3 (October 8), SO4 (October 18), SO5 (October 28), and SO6 (November 8). After sowing, the winter survival rate was measured in the spring of the following year, and the dry matter yield was measured by harvesting at 10% flowering and harvesting five times a year. SO6 failed to winter survival, and SO5 also had a lower winter survival rate than SO1~4 (p<0.05). The average annual dry matter yield of alfalfa linearly decreased with delaying sowing dates (p<0.05). The feed value did not differ in the same year by delaying the sowing date in the same year. These results suggest that sowing date should be started before October 18 to increase winter survival and productivity of alfalfa in the central area of South Korea.

• Applied Biological Chemistry
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• v.27 no.3
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• pp.169-173
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• 1984

In order to determine the optimum harvesting time based on grain filling and physico-chemical qualities for malting, three cultivars were harvested at every five days from 30th day after heading date at two experimental sites in the southern part of Korea. Starch accumulation and kernel weight increment were remarkable until 45th day after heading, but negligible after that. Content of ash, crude protein and polyphenolics and ${\alpha}-amylase$ activity decreased with maturation of grains and reached to the lowest value at 45th day after heading date. Germinative energy and capacity were good enough for malting from 40th day after heading date. The optimum harvesting time were estimated at 45th day after heading date in the increment of starch accumulation and kernel weight. At this time matured and immatured kernels were in the ratio 93 : 7. However, it is estimated that early harvesting time was at 40th day after heading date.

• Korean Institute of Interior Design Journal
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• v.17 no.5
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• pp.157-165
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• 2008

This study confirm the value and the importance of the human sensibility study to add up the new meaning, and to suggest a new value of Korean sensibility study through the understanding of current statusand trend of the sensibility study in the space. The method of the study was to collect date related to the sensibility study and to analyze it focusing on its details. The date was collected from researches published on the website since the establishment of Korean Institute of Interior Design and Architectural Institute of Korea and selected at the keyword search comer. The data was extracted under keywords of research object, research purpose, research method, and analysis method. And then it was quantified with HAYASH lll program and used for analyses according to its pattern and feature. The study shows that nowadays categories representing the current status and trend of the sensibility studies in space consist of the environment, the human, and the space. The contemporary study for sensibility puts the importance on a object and a subject of the study like the environment harmonized with human and space, the humans the subject that essentially uses the spate, and the space for the architecture and the interior that puts human in. Accordingly, the study for human sensibility should develop into the study for the design focused on the intangible relationship such as 'information', 'elements for space design', 'sensibility' beyond the existing tangible categories of environment, human, and space. In addition, in the method ways of study and analysis, those studies for the sensible relationship are required to develop into new types of study applying research methods of various studies beyond the traditional border between human studies, social science, and natural science.

• Journal of The Korean Society of Grassland and Forage Science
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• v.14 no.4
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• pp.316-323
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• 1994

In order to reduce the problems from the presence of rye crop residues in maize establishment and yield, and also to improve the growth, productivity and nutritive value of rye(Seca1e cereal L.). an experiment was canied out to determine the variety effect of rye on the forage production system and the eft'ect of seeding and harvesting dates on the production and quality of rye. 'This experiment was conducted at the forage testing field of S.N.U., Suweon, from September 1986 to May 1989. Heading date of an early maturing rye variety, Wintermore. was earlier 10 days than that of a late maturing rye variety, Kodiak. A 15-days delay in the seeding dates of early and late maturing varieties of rye tended to delay the heading dates of the rye varieties for 3 and 4 days, respectively. Dry matter and in vitro digestible dry matter yields were markedly increased with earlier seeding date. Before 20 April, the DM and IVDDM yeilds of an early maturing rye variety, Winterrnore. were higher than those of a late maturing rye variety, Kodiak. However, no such a trend was found between the early and late maturing varieties of rye after 27 April. Less than 35% of ADF was recorded until the harvesting dates of 13 and 27 p r i l for early and late maturing rye varieties, respectively, but less than 46% of NDF was maintained until the harvesting drtte of 13 April for botg varieties. Based on the results obtained from this experiment. it may be concluded that the most desirable forage production from corn-rye double cropping system is to advance the seeding time of rye toward the first 10 days of September as well as harvesting time toward the first heading stage with an early maturing rye variety.

• Journal of the Korean Society of Costume
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• v.24
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• pp.205-216
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• 1995

In this study, an experiment was made using the function of comfuter simulation as to whether the phenomenon of color optical il-lusion takes place also in clothing on the humanbody, three-dimensional space, through the case study of the color illusing of Goethe Value. One fat woman was slected as the exper-imental subject. She was made to wear the ex-perimental clothing, and then frontal picture was projected of in the experimental clothing, which was sacanned into the computer. For the sake of color illusion effect, construct 5 clothing design line and Yellow(9), Black(0), Red(6), Green(6). The basic design and the experimental de-sign were made one pair, and the pictures totalled 20 pictures. The extimating panel con-sist of 25 panellers and extimate factors of 9-point Scale. All the date from the experiment were analyzed by ANOVA and DUNCAN'S MUL-TIPLE RANGE. As a result, the experimental design all showed a significant optical illusion without C group in comparision with the basic design.

• Journal of The Korean Society of Grassland and Forage Science
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• v.19 no.2
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• pp.155-158
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• 1999

Alfalfa grows wild in some parts of Korea, but specific information is lacking as to its growth characteristics, nutritive value and dry matter yeild. The objective of this study was to evaluate the usefulness of wild alfalfa(Medicago sativa L.) as a forage. Wild alfalfa and 'Vernal' were field sown at Keongsan, Keongbuk in the spring of 1995. Emergence for 'Vernal' was better than for wild alfalfa. It was observed that the flowering date of the wild alfalfa was delayed by 8 days. Regrowth of 'Vernal' was better than that of the wild alfalfa at each harvesting. After the last harvesting date, September 22, there was poor regrowth of the wild alfalfa, but regrowth of 'Vernal' was moderately vigorous growth. Weed infestation in the wild alfalfa plots was higher than in the 'Vernal' plots. Thle dry matter yields per hectare were significantly(P<0.05) higher for 'Vernal' than for the wild alfalfa. The CP content was slightly higher in the wild alfalfa in comparison to 'Vernal'. NDF and ADF contents were lower in the third cut, but they were not different in the 1st and 2nd cuttings.

• Journal of Korea Society of Digital Industry and Information Management
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• v.6 no.1
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• pp.151-157
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• 2010

This paper proposes the Pyramid strategy which is based on the straddle sell. The Pyamid strategy has multi-entry features with starting date and delta parameters. And It is hedged against a loss by mutual trades and dynamic ripples. This paper analyzes the profit and MDD(maximum draw down) of the Pyramid strategy on system trading. The portfolio tool is used for the experiment which is one of the Multicharts' package. The Multicharts is a good trading system of recent years. For the experiment, three call options and three put options are used at october in 2009. Two parameters are used which are the starting date from first October to twentieth October in 2009 and delta from eight percent to fifty percent. As a result, the profit of composite option is about 3 million won. If the strategy starts before the beginning of option month, investors feel uncomfortable because of a large MDD. If a delta belows 20%, it shows high profit and the ratio of profit and MDD builds up a low value. However a low delta makes frequent trades and results in a loss unless increasing entry levels which mean more amount of investment. This work provides a safer trade system than native option trades. It is important how much levels of multi-entry are acceptable. And an amount of investment with appropriate levels of multi-entry is a subject of a future study.