• Current Research on Agriculture and Life Sciences
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• v.7
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• pp.99-107
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• 1989

The study was conducted to obtain some basic information to establish the system of performance-tests and selection of honeybee queens(Apis mellifera) under Korean circumstances, Colony performances were tested with thirty colonies of Apis mellifera at two apiaries in Taegu, Korea from September, 1988 to August 1989. The results of performance-testing on the colonies are summarized as follows : The colony weight measured before wintering was averaged $23.6{\pm}1.90kg$ and the colony weight was decreased by $2.9{\pm}0.82kg$ in average during winter season. Thirteen colonies were entered in two story hive from thirty single box colonies from April 17 to May 5, 1989 with increase of bee population and, consequently, the ability of enter-supers of the colonies apperared to be low. The ability of collecting pollen was measured to be $14.8{\pm}2.15gr$ per colony during 24 hours in April, and the number of swarm cells was counted $12.5{\pm}3.43$ cells per colony in aveage. Tendency to use propolis appeared to be moderate, and the number of returning foragers for a minute per colony was counted $108.7{\pm}18.31$ bees in average. Brood area was measured $2,464{\pm}628,67cm^2$ per colony in the post nectar flow season of acasia, and 30.8 percent of the colonies appeared to be infected with chalkbrood disease, The amount of honey production was $14.9{\pm}8.49kg$ per colony, which was harvested two times during the main nectar flow season of acasia.

• Herbal Formula Science
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• v.25 no.4
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• pp.553-574
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• 2017

The purpose of this study is to find out effects of prescriptions according to the formula, manipulation of Rhei Rhizoma, configuration. The following results were reached through investigations on the prescriptions using Rhei Rhizoma as a main component. Objectives : Analysis of prescriptions According to the formula : Liquid Extract Prescriptions were used widely on three parts to treat fever and damp heat in the interior organs. Powder Prescriptions were taken with hot water, thin porridge, tea etc. to treat damp heat, congestion of phlegm, acute episodes. Liquid Mixed Pill treat congestion of QI, damp heat, phlegm. Honey Mixed Pill treat accumulated fever, distension, acute excessive fever. Paste Pill treat blood stagnation, excessive toxic-fever, epidemic diseases. External Application treat inflammation by injury, swelling due to severe fever by internal damage. Methods : Analysis of prescriptions According to the manipulation of Rhei Rhizoma : Prescriptions including Liquor processed Rhei Rhizoma treat excessive toxic-fever, congestion of phlegm, blocking orifices on the upper side. Steamed Rhei Rhizoma strengthen effects of making evacuate and cooling of heat. Processed Rhei Rhizoma with vinegar strengthen effects of removing blood stagnation by activating blood movement, releasing gathering. Results : Analysis of prescriptions According to the Composition of Rhei Rhizoma : 41% of the total prescriptions were on the area of less than 20%. In case of lower groups show increased frequency of combination with Pharbitidis Semen, Persicae Semen, Scutellariae Radix and manipulation of baking, steaming, roasting. In case of higher groups show increased frequency of treating excess syndrome, critical illness, acute severe illness, and using proccesed Rhei Rhizoma with vinegar. Treatment of damp heat on the liver and gallbladder, disorder of the spleen and stomach is done mostly by prescriptions on the area of less than 30%. Conclusions : Rhei Rhizoma-Coptidis Rhizoma pair treat damp heat, heat toxins in blood, and Constipation caused by excessive heat. Rhei Rhizoma-Glycyrrhizae Radix pair relieve effects of Rhei Rhizoma passing blocked feces, removing the poison, activating blood movement, releasing gathering with the effects of Glycyrrhizae Radix relaxing tension by harmonizing Middle. Rhei Rhizoma-Magnoliae Cortex pair are used to treat damp heat in middle area, excessive heat in the stomach and intestine. Rhei Rhizoma-Pharbitidis Semen pair act on both blood system and QI system treating edema, damp, stagnation, heat toxins, feces. Rhei Rhizoma-Persicae Semen pair treat blood stagnation with fever on blood system.

• Journal of the Korean Society of Environmental Restoration Technology
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• v.11 no.2
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• pp.28-39
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• 2008

This study was conducted to evaluate the rehabilitation measures and select appropriate tree species and rehabilitation methods for rehabilitating the rock desert areas in Guizhou, China. The study was carried out during the periods from 2003 to 2006 and results are as follows. Afforestation site is classified as a dolomite sandstone hilly country, a halfstony hilly country, a karst physiognomy, a rock desertification farmland and an latent rock desertification farmland by soil type and rock desertification status. Total afforestation area of Xuiwen is 1,300ha and afforestation area of a dolomite sandstone hilly country, a halfstony hilly country, a karst physiognomy, a rock desertification farmland and an latent rock desertification farmland are respectively 104.0ha (8.0%), 146.6ha (11.3%), 200.5ha (15.4%), 705.7ha (54.3%) and 143.2ha (11.0%). Planted tree species were selected by five site types. Robinia pseudoacacia, Chamaecyparis obtusa, Thuja orientalis, Cupressus duclouxiana and Juniperus chinensis L. var. chinensis were planted in a dolomite sandstone hilly country and Choerospondias axillaris and Robinia pseudoacacia were planted in a halfstony hilly country. Cupressus duclouxiana, Zanthoxylum bungeanum, Lonicera fulvotomentosa, Ilex kudincila, Quercus aliena, Quercus variabilis, Choerospondias axillaris, Koelreuteria bipinnata, Cryptomeria japonica, Cinnamomum camphora and Cinnamomum bodinieri were planted in a karst physiognomy. Cupressus duclouxiana, Toona sinensis, Robinia pseudoacacia, Lonicera fulvotomentosa, Eucommia ulmoides, Ilex kudincha. Zanthoxylum bungeanum and Magnolia officinalis were planted in a rock desertification farmland. Lonicera fulvotomentosa, Juglans sinensis, Pyrus pyrifolia, Choerospondias axillaris, Prunus salicina and Diospyros Kaki was planted in an latent rock desertification farm land. Robinia pseudoacacia showed high survival rate in 2004 and 2005, but Zanthoxylum bungeanum and Cinnamomum camphora showed slightly low survival rate in 2004. Survival rate of planting species in 2005 was over 80% because some species which showed low survival in 2004 were changed with other species and a proper afforestation method was applied. Growth rate of tree species was evaluated by height and diameter growth rate. Cupressus duclouxiana showed a highest height growth rate in 2004. Toona sil1ensis, Choerospondias axillaris, Koelreuteria bipinnata, and Cinnamomum camphora showed almost 100% height growth rate in 2005, although they showed a negative height growth rate in 2004. Robinia pseudoacacia showed a good growth rate in the rock desertification farmland and the halfstony hilly country so it could give a commercial benefit like honey as well as an afforestation effect.

• Herbal Formula Science
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• v.25 no.2
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• pp.325-336
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• 2017

Objectives : The purpose of this study is to find out herb-pair prototype composed of Aconiti Radix(烏頭) or Aconiti Lateralis Preparata Radix(附子) written in ancient chinese medical classics. Methods : To search usages of Aconiti Radix and/or Aconiti Lateralis Preparata Radix, we have investigated the classics of herb and prescription such as "Fifty-two kinds of Diseases"("五十二病方"),"WuWeiHanDaiYiJian" ("武威漢代醫簡"),"Treatise on Febrile Caused by Cold"("傷寒論"),"Synopsis of Prescriptions of The Golden Chamber"("金匱要略"). Results : There were three herb pairs of Aconiti Radix and/or Aconiti Lateralis Preparata Radix in "Fifty-two kinds of Diseases", four herb pairs of it in "WuWeiHanDaiYiJian", eight herb pairs of it in "Treatise on Febrile Caused by Cold", and five herb pairs of it in "Synopsis of Prescriptions of The Golden Chamber". Conclusions : 1. Aconiti Radix herb-pairs written in ancient chinese medical classics are as follows ; Cinnamomi Cortex(桂), Arsenopyritum(礜) and Veratri Nigri Rhizoma et Radix(藜蘆). Zanthoxyli Fructus(蜀椒), Aconiti Lateralis Preparata Radix(附子), honey(蜜) and Asari Radix(細辛). 2. Aconiti Lateralis Preparata Radix(附子) herb-pairs written in ancient chinese medical classics are as follows ; Zanthoxyli Fructus(蜀椒), Paeonia Radx(芍藥), Ephedrae Herba(麻黃), Zingiberis Rhizoma(乾薑), Zingiberis Rhizoma(乾薑)-Allii Radix(葱白), Cinnamomi Cortex(桂), Atractylodis Rhizoma White(白朮), Poria(茯苓), Atractylodis Rhizoma White(白朮)-Poria(茯苓) and Gentianae Macrophyllae Radix(秦艽), Coisis semen(薏苡仁), Pinelliae Rhizoma(半夏). 3. In "Fifty-two kinds of Diseases"only Aconiti Radix was used and in "Treatise on Febrile Caused by Cold"only Aconiti Lateralis Preparata Radix was used, but in "WuWeiHanDaiYiJian"and "Synopsis of Prescriptions of The Golden Chamber"both herbs were used. 4. Method for reducing toxicity of Aconiti Radix and Aconiti Lateralis Preparata Radix was found in "Treatise on Febrile Caused by Cold"and "Synopsis of Prescriptions of The Golden Chamber".

• The Korean Journal of Pesticide Science
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• v.20 no.3
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• pp.181-188
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• 2016

BtPlus is a group of biopesticides that are made of Bacillus thuringiensis and immunosuppressant. A new BtPlus that exhibits high insecticidal activity against mosquito larvae has been investigated in control efficacy in field conditions and its environmental safety against aquatic system. This study assessed the control efficacy of BtPlus against mosquito larvae with two different application methods. In aerial spraying application (100 mL per $3.3m^2$), BtPlus was effective at 50% or above formulation concentrations to control mosquito larvae. For a direct application to aqueous mosquito habitat, a semi-field mimicking paddy rice field was constructed. In this condition, BtPlus showed 80% and 100% control efficacies at 0.1% and 0.2% concentrations, respectively. BtPlus also showed 40% mortality against adults at 0.1% concentration in 10% sugar bait. However, its control efficacies against adults were much less than against larvae. Safety assessment of BtPlus against ecosystem was evaluated using young carp (Cyprinus carpio), a water flea (Daphnia magna), and a honey bee (Apis mellifera). BtPlus did not give any adverse effects on these nontarget organisms. Based on these results, BtPlus can be applied to control mosquitoes by direct aqueous application to paddy rice field.

• Journal of the Korea Academia-Industrial cooperation Society
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• v.15 no.9
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• pp.5644-5651
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• 2014

Propolis is an extremely safe natural antimicrobial substance that has been reported to have powerful antibacterial efficacy. The aim of this study was to evaluate the inhibitory effects of propolis against Candida albicans (C. albicans). Propolis was collected from the honey bee Apis mellifera. The strain of C. albicans was cultivated overnight in liquid media incubated at $37^{\circ}C$. The antimicrobial activity was investigated using phosphate buffered saline (PBS), 3% sodium hypochlorite (NaOCl), 0.1% chorhexidine (CHX), and propolis extracts ($5{\mu}l/ml$, $10{\mu}l/ml$). C. albicans were sensitive to 3% NaOCl, 0.1% CHX, and propolis ($5{\mu}l/ml$, $10{\mu}l/ml$) with zones of inhibition of 15, 14.5, 16, and 17 mm, respectively. The CFU of PBS, 3% NaOCl, 0.1% CHX, $5{\mu}l/ml$ and $10{\mu}l/ml$ of propolis led a 1, 7, 7, 5 and 7-log reduction. Among the groups tested, C. albicans was most sensitive to $10{\mu}l/ml$ of propolis, which showed the largest inhibition zones. Therefore, propolis can be a new antimicrobial therapy for oral mucosa disease in traditional medicine.

• Journal of Digital Convergence
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• v.16 no.4
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• pp.299-306
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• 2018

This study is to measure traveling experience of bike riders whom going long distance trip. Bike paths and bike riding are crucial element for modern people's life style. At the same time, a bicycle trail is being developed by the National Bicycled-Oriented Chair Plan, which was established in 2009 by the National Bike Policy Master Plan. 13 million bike riders in Korea is keep on trying the long distance bike trip and its number is increasing every year. Accordingly, the Ministry of Public Administration and Security decides to promote the convenience of riders by developing bicycle app for long distance rider. The study attempted to assess usability of this app with 39 bike applications whom currently using the bike application. Afterwards, the researchers tests 11 hypotheses through in-depth interviews of six activated members. In sum, Bicycle travelers should be provided with bike trail guidance based on theme section skill, provided in-time speed distance related information, communicated with other bike riders, given tips for bike supplies and maintenance, and provided English language service. The study hopes to help find a customized service for bike travelers.

• Culinary science and hospitality research
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• v.23 no.2
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• pp.95-103
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• 2017

The present study was performed to develop healthier sweeteners for brown rice Dasik with chia seed powder. The quality features and sensory evaluation were tested for brown rice Dasik with chia seed powder added with five different sweeteners and the results are as follows. The Dasik (DS) with isomalto-oligosaccharide and starch syrup received the highest scores on moisture content tests. The results from hardness tests identified the DS with agave syrup as the hardest, and the results from the adhesiveness test verified that the DS with agave syrup as well as the DS with starch syrup produce the most adhesive DS. The results of the springiness test show that the DS with starch syrup has higher springiness than other sweetners. The highest score for the chewiness and cohesiveness tests was the DS with starch syrup, while the DS with isomalto-oligosaccharide received the highest score on the gumminess test. The results of the chromaticity measurement test found that the DS with starch syrup showed the highest score of 'L' and the lowest score with fructo-oligosaccharide. In addition, the highest score of 'a' was DS with isomalto-oligosaccharide and the lowest score of 'b' was the DS with starch syrup. The results of sugar content displayed that the DS with starch syrup was the highest and the DS with fructo-oligosaccharide was the lowest score. The results of sensory evaluation verified that color did not influence evaluators' preference investigation. The results of sweet flavor test found that the DS with honey and the DS with agave syrup had the most preferred by participants, but there was no statistically significant difference among all five different sweeteners from the sweet taste test. Furthermore, the DS with agave syrup received the highest score while the DS with agave syrup scored the lowest from the hardness preference test. General preference evaluation identified the highest score with the addition of fructo-oligosaccharide and the lowest score with the addition of isomalto-oligosaccharide. Thus, the findings of the present study provide the meaningful results to demonstrate the DS with fructo-oligosaccharide is the most suitable sweetener to manufacture brown rice DS added by chia seed powder, and this result will help marketers with creating meaningful strategies and with developing similar products using chia seed powder.

• Journal of the Korean Institute of Landscape Architecture
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• v.42 no.3
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• pp.35-49
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• 2014

In this study, the faunae before and after creating the Solbangjuk Wetland Ecological Park located in Jecheon-city were compared. As a result, the change of the fauna according to the creation of the park showed the phenomenon that the species having the strong wilderness are reduced and the rate of general species become higher. In addition, the species which receive the restrictions for moving such as mammals, amphibians and reptiles are being gradually decreased by the increased visitors owing to the creation of the park. Moreover because there was the case where group of fishes have died caused by discharging and working the water in the reservoir during the creation process of the park, the supplementation work for this is required. However, it showed that the insects sucking the honey from flowers in the composed flower garden after creating the park, and the aquatic insects which live in this park that the stable water system for the growth of wetland plants is maintained, are increased, respectively. As a result of this survey, because the reservoir for agriculture adjacent to the residential area is generally small, the securing of the habitat space for the wild animals living in this park when creating the ecological parks seems to be necessary. The countermeasure should be considered so that some areas of the reservoir can be maintained in their natural state by adjusting the visitors' trails and the position of facilities for in order to secure the habitat of the wild animals.

• The Journal of Korean Medical History
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• v.21 no.1
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• pp.59-69
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• 2008

The "tang[tɑ:ŋ]" in Korean pronounciation means the beverage made of boiled medicinal herbs. The"Jeho-tang", the name of Drink in this abstract, is described in a variety of medical books including the "Dongeui Bogam" as being effective for illness from the summer heat in promoting digestion, curing the heatstroke and bringing it to a halt. The Drink was used as the Royal gifts granted to retainers and royal families on the Day of Dano-festival on the fifth of the fifth month of the year according to the lunar calendar, the items of encouragement for those who worked hard in sacrifices, and the awards for students of Confucianism who were proficient in their learning. The Jeho-tang used in this study was scientifically cooked again after a long time in history through looking at the methods written in the documents concerned with the Drink such as the "Dongeui Bogam" and the "Taste of Korea". In preparation of the medicinal herbs for the Drink, the powder of thinner than 30 mesh of the "Prunus mume", which is a species of Asian plum in the family of Rosaceae, and those of 50 mesh of the "Santalum album", which is the fragrant wood of trees in the genus Santalum and the "Amomum Xanthioides", which is produced in Vietnam and is the name of a kind of herb medicines, being very effective in the desease caused from heatstrare, were used. The sugar concentration of the honey boiled down long time at low heat was $82.43^{\circ}Bx$. When cooking in a double boiler, the inner part of the liquid for the Drink was kept at $80^{\circ}C$ for 12 hours to make it finished in a state of ointment. In the general composition of the finished Jeho-tang, the moisture content was 24.4%, 1.3% of crude fat, 1.4% crude protein and 0.7% ash, along with pH3.2. The acceptance on the whole was come out to be the highest in the sample diluted with the drinking water of 7-fold of the Jeho-tang, indicating that the 7-fold's addition of water was optimum level for drinking. In the Drink cooked by a vaccum pressure extractor for herb medicine, which was developed to improve the art of cooking, the longer the time of pressure was, the less the heterogeneous feeling at tongue was and the more the glossiness of the Drink was. The Jeho-tang cooked under pressure for 7 hours received an excellent evaluation in its acceptability in every way.