• Korean Journal of Environment and Ecology
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• v.11 no.1
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• pp.137-148
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• 1997

This study was conducted to select appropriate woody species and to propose appropriate woody species and to propose appropriate mounding hight through analysis of soil characteristics, planting state, draining state, growth amount and injured index of woody species. Soil acidity was pH 5.9~7.4, as alkaline soil. The state of draining was proved to be inappropriate for the growth of woody species because of bad draining state. Injured index of woody species were Prunus serrulata var, spontanea in deciduous tree because of polluted water leaked from sanitary landfill and density of planting tree. Appropriate mounding heignt of the planted area which was itensive injured wood species was not less than 80cm. Appropreate woody species in wanggyoi-dong apartment complex were Zelkova serrata, Acer trifloum, Acer buergerianum, Sophora japonica, Ailanthus altissima and appropriate mounding height was not less than 50~60cm.

• Journal of the Korea Institute of Information and Communication Engineering
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• v.20 no.6
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• pp.1074-1080
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• 2016

Big data analysis refers the ability to store, manage and analyze collected data from an existing database management tool. Thus, meta-analysis is a statistical integration method that delivers an opportunity to overview the entire result of integrating and analyzing many quantitative research results. Commonly, factors of metabolic syndrome can be defined as abdominal obesity, systolic blood pressure, diastolic blood pressure, triglycerides, and high density lipoprotein cholesterol. In this meta-analysis, we concluded that the path between pre and post of the fasting blood glucose had the largest effect size of (r = -.324). Therefore, the effect of soybean food intervention showed an explanatory power of 10%. The second biggest effect size (r = .256) was found the path between pre and post in the waist circumference. Unfortunately, soybean food intake showed no improvement on abdominal obesity. Thus, we present the theoretical and practical implications of these results.

• Journal of the Korea Institute of Information and Communication Engineering
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• v.19 no.4
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• pp.780-786
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• 2015

Social media, such as Social Network Service include a lot of spontaneous opinions from customers, so recent companies collect and analyze information about customer feedback by using the system that analyzes Big Data on social media in order to efficiently operate businesses. However, it is difficult to analyze data collected from online sites accurately with existing morpheme analyzer because those data have spacing errors and spelling errors. In addition, many online sentences are short and do not include enough meanings which will be selected, so established meaning selection methods, such as mutual information, chi-square statistic are not able to practice Emotional Classification. In order to solve such problems, this paper suggests a module that can revise the meanings by using initial consonants/vowels and phase pattern dictionary and meaning selection method that uses priority of word class in a sentence. On the basis of word class extracted by morpheme analyzer, these new mechanisms would separate and analyze predicate and substantive, establish properties Database which is subordinate to relevant word class, and extract positive/negative emotions by using accumulated properties Database.

• Journal of the Korea Organic Resources Recycling Association
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• v.15 no.2
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• pp.109-117
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• 2007

In order to investigate the quantitative and qualitative properties of leachate with different composition of MSW in solid waste landfill, three lysimeters filled with bottom ash only (Lysimeter A), bottom ash 70%+municipal solid waste 30% (Lysimeter B), and municipal solid waste only (Lysimeter C) respectively were operated under actual meteorological conditions. From the results, Lysimeter A and Lysimeter B were much higher than Lysimeter C in terms of cumulative generation rates of leachate. The pH in leachate from Lysimeter A are in the range of pH 9 to 11, however, the pH of the leachate was gradually changed to the neutral with time. In the case of $Cl^-$, leachates from Lysimeter A and B with bottom ash have high $Cl^-$ concentration whereas leachate produced from Lysimeter C has low $Cl^-$ concentration. In the Lysimeter C with municipal solid waste only, concentration of organic materials in the leachate was much higher than that of leachate produced from the other Lysimeters.

• Microbiology and Biotechnology Letters
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• v.32 no.1
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• pp.29-36
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• 2004

$\alpha$-Cyclodextrin glucanotransferase excreted from a newly isolated Geobacillus thermosacchalytycus was purified through the ultrafiltraion, hydrophobic Sepharose CD-4B affinity chromatography, and gel filtration on Sephadex G-75, respectively. The molecular weight of the purified CGTase was 69 kDa and its N-terminal amino acid sequence was determined to be Asn-Leu-Asn-Lys-Val-Asn-Phe-Val-Ser-Asp-Val-Val-Val-Gln-Ile. The optimum pH and temperature were pH 6.0 and$ 60^{\circ}C$, respectively, and stably at the pH range of 6.0-8.0 and $60^{\circ}C$ in the presence of $Ca^{++}$. The excreted CGTase from the thermophilic G. thermosacchalytycus was $\alpha$-type showing a high coupling activity for the transglycosylation on various glucosides. The coupling reaction was carried out according to the random ternary complex mechanism.m.

• Nuclear Engineering and Technology
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• v.11 no.1
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• pp.1-20
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• 1979

Neutron inelastic scattering studies on polycrystalline hydrates, NaBr-2$H_2O$ and BaCl$_2$-2$H_2O$ have been performed to observe librational modes. Assuming all observed peaks are from the $H_2O$ librational origin, the weighted frequency distribution functions are obtained by eliminating the contributions from the higher order processes. All of theoretical frequencies obtained using FG matrix method are dus to highly mixed modes, and therefore the modes identified as significant $H_2O$ librationat modes from their large potential energy distributions are assigned to the observed peaks. The H-bond interactions are estimated using a modified Lippincott Schroeder potential function, and the applicability of the potential function to the H-bond with highly bent or bifurcated configuration is examined on the basis of the shape of $H_2O$ librational potential energies. Some discussions are given on the usefulness of introducing O-H…Y bending terms in addition to the H…Y stretching in similar frequency calculation in order to obtain more information on the nature of H-bond. Also the purity and symmetry properties of the $H_2O$ librational modes are discussed using group theoretical analyses.

• Journal of Veterinary Clinics
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• v.16 no.2
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• pp.248-252
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• 1999

본 연구는 진도개, 풍산개 및 잡종견의 혈액학 및 혈액화학치의 차이를 비교하고자 본 실험을 수행하였다. 총 80두가 본 조사에 이용되었으며 경기도지방, 제주도, 서울 및 전남지방을 대상으로 실시하였다. 각각 진도개 30두, 풍산개 20두 및 잡종견 30두로 구성되었으며 성비는 각 군간에 차이가 없었다(진도개: 수캐=16, 암캐=14, 풍산개 : 수캐=9, 암캐=11, 잡종견: 수캐=15, 암캐=15). 연령은 진도개, 풍산개 및 잡종견 각각 1.3$\pm$0.9(년), 1.3$\pm$1.0(년), 1.3$\pm$ 1.6(년)이었다. 체종분포는 진도개, 풍산개 및 잡종견은 각각 9.0$\pm$4.5 kg, 9.8$\pm$4.0 kg, 8.4$\pm$4.7 kg이었다. 잡종견의 백혈구와 호중구수가 다른 두품종에 비해 유의성있게 높았다 (p<0.05). 풍산개의 림프구와 호산구수는 진도개와 잡종견의 수보다 높았다(p＜0.05). 하지만 풍산개의 단핵구 수는 진도개와 잡종견보다 유의성있게 낮았다(p<0.05). 진도개의 콜레스테롤과 무기인 수준은 풍산개와 잡종개의 수준보다 낮았다. 잡종견의 중성지방(triglyceride)의 수준은 진도개와 풍산개의 수준보다 낮았다. 잡종견의 나트륨 농도는 진도개와 풍산개의 수준보다 낮았으며 진도견의 칼륨농도는 풍산개와 잡종견의 농도와 비교하여 높았다. 바베시아 검사에서 모든 품종에서 음성이었으며 심장사상충 검사결과 양성율은 잡종견, 진도견과 풍산견 각각 20%, 10%, 10%이었다.

• The Transactions of the Korea Information Processing Society
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• v.3 no.5
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• pp.1281-1293
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• 1996

In this paper, we propose a novel recognition model of on-line cursive Korean characters using HMM(Hidden Markov Model) and level building algorithm. The model is constructed as a form of recognition network with HMM for graphemes and Korean combination rules. Though the network is so flexible as to accomodate variability of input patterns, it has a problem of recognition speed caused by 11, 172 search paths. To settle the problem, we modify the level building algorithm to be adapted directly to the Korean combination rules and apply it to the model. The modified algorithm is efficient network search procedure time complexity of which depends on the number of HMMs for each grapheme, not the number of paths in the extensive recognition network. A test with 15, 000 hand written characters shows recognition rat 90% and speed of 0.72 second per character.

• Journal of Aquaculture
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• v.16 no.2
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• pp.76-83
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• 2003

To improve the efficiency of removal of bacteria and virus with DynaSand Filters used for treatment of recycling wastewater from aquaculture, effect of biofilm formation on bacterial transport through coated sand was estimated. At the neutral pH (pH 7.0), the coated sand was positive of zeta potential (surface charge). Column experiments were also carried out to test the effect of uncoated sand as well as coated sand with Al and Fe. The coated sand influenced more significantly the surface properties, adsorption and transport than the uncoated sand. The leaching batch system investigated for synthetic water showed concentrations of 7.47, 4.80, 20.89 and 7.23 mg/L for the uncoated sand, coated sand with Al, Fe and Al+Fe, respectively. Hence there are significant differences among the tested coatings with reference to bacterial transport and surface properties.

• The Korean Journal of Ecology
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• v.23 no.5
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• pp.369-375
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• 2000

Although urban soils must be well understood in order to ensure their conservation and optimum use, these intensively managed and disturbed soils have not been extensively investigated up to now. Urban soils from forest, lawn, streetside, and bare ground and under pavement in Inchon had high bulk density as a result of widespread trampling-induced soil compaction. The various urban soils including forests showed lower water content and higher temperature as compared with rural forest soil. Chemically, soils from urban areas had an unusual neutral pH and low organic matter content. Total bacterial numbers in urban soils was only 5∼50% of that in the rural forest soil. An analysis of stepwise multiple regression revealed that soil organic matter was the most important predictor variable on total bacterial number. The dehydrogenase activity of most urban soils was not significantly different from that of rural forest soil, whereas the microbial activity of soils under pavement was lower. Our investigations show that inadequate organic matter of highly compacted soils has adversely affected the abundance of microorganisms involving nutrient cycling in urban soils.