The cultural characteristics and some factors such as nutrient sources and supplements effecting on mycelial growth and density were investigated to study the possibility of an artificial cultivation of P. cocos. The optimum pH for P. cocos was 4.0-4.5. The optimal growth temperature ranged from $25^{\circ}C$ to $29^{\circ}C$. Myceial growth of P. cocos was better in SPD than PD media. Adding the nurient sources such as dextrose, yeast and potato infusion to pine extract media practically stimulated the mycelial growth and density of P. cocos comparing to pine extract media alone. When P. cocos was cultured on sawdust media added 3 different supplements composed of corn meal, rice bran and wheat bran, corn meal was the best and its percentage was 30 (w/w) for mycelial growth. On culturing in sawdust media added by varying the mixture ratio of them, the media mixed corn meal and wheat bran (3:1, w/w) supported more vigours for mycelial growth. In inoculation test to pine stem, the fungal growth was good in under or inside pine bark and xylem, but the sclerotium was not observed in the stem. Mycelial growth was also observed in central part of pine stem by cross section.
The most influential facility causing traffic disaster on the urban road is intersection. Accordingly, this study elected a region for case study from seabang three-way junction, partial section of Dongmoon Ro in Kwang-Ju city, to the intersection of Mudeung Library Entrance. It is believed that the signal progression is very effective on the basis of short interval of intersection and massive traffic volume. The signal progression was simulated by using TRANSYT-7F model. The following is summary of the simulation: According to the change of cycle length, P.I. delay and fuel consumption showed the tendency of being increased in case that cycle length becomes long or short, centering around the best cycle length. In the event of progressing the cycle length, the average speed per vehicle is increased by 11.39Km per hour and P.I value is improved by 40.65% so that it resulted in 42.86% improvement in the total travel time. Moreover, the fuel consumption in line with the progression practice produced fuel saving of 31.04%.
This study investigated the quality characteristics of English muffins made rice flour created using different grinding methods (DPR: powdered type rice flour by dry milling. DSR: soft type rice flour by dry milling. DHR: hard type rice flour by dry milling. WPR: powdered type rice flour by wet milling. WSR: soft type rice flour by wet milling. WHR: hard type rice flour by wet milling). The volume, volume expansion, and specific volume were the highest in WPR. The shape and cross section indicated that WPR, WSR and DPR were the best quality. The L value was the highest in DHR, the b value was the highest in DPR. Hardness, gumminess and chewiness were the lowest in WPR, and the highest in DHR. According to result of the sensory evaluation, the color, flavor, appearance, texture and overall acceptability were the highest in WPR, while the taste preference was the highest in WSR.
An experimental study to investigate the condensing heat transfer characteristics of small diameter horizontal double pipe heat exchangers with R-22 and R-410A was performed. Experimental facility was constructed to calculate and observe HTC(heat transfer coefficients), flow patterns and pressure drop. The main components include a liquid pump, an evaporator, a condenser(test section), a sight-glass, pressure taps and measurement apparatus. Two pipes of different diameters are tested; One 5.35 mm ID 0.5 mm thick, the other 3.36 mm ID 0.7 mm thick. The mass flow rate ranged from 200 to $500\;ks/m^2{\cdot}s$ and heating capacity were form 1.0 to 2.4 kW. The flow patterns of R-22 and R-410A were observed with a high speed camera through the sight-glass. The tests revealed that HTC of R-410A was higher than that of R-22 by maximum 5%. Annular pattern was observed for the most cases but stratified flow was also detected when x<0.2. The pressure drop in 3.36 mm ID pipe was higher than that of 5.35 mm by $30{\sim}50%$. Comparing with previous correlations such as Shah, Fujii and Soliman's, Fujii' showed the best good agreement with my data with a maximum deviation of 40%.
This study was attempted for clinical investigation regarding with Apgar score changing phase of newborns and their sucking power related the score and weight. The data for this study obtained from 545 newborns who were born at Dept. of obstetric WooSok Hospital, Korea University from Jan. to Sept.. 1373. It is hoped that this study will contribute to nursing care planning of newborns in nursery. The Apgar score was checked in the delivery room at 1 minute after delivery by Doctor and rechecked at 30 minutes and 1 hour after delivery by nurses. The results obtained were as follows: 1. The total newborn numbers at 1 minute after delivery were 545, at 30 minutes were 542 (3 dead) and at 1 hour were 540. The babies were divided into 3 groups by the Apgar score. The frequency of group 1 (score 1 to 4) at each times were 5.0%, 0.9%, 0.4%, group 2 (score 5 to 7) 11.2%, 4.1%, 1.7% and group 3 (score 8 to 10) 83.8%, 95.0%, 97.9%. 2. The group I was found most frequently among the cases of less than 2, 500g and group 3 was found among the cases over 2.500g. It was found that there was a tendency of delaying in recovery process of low score among the premature and low birth weight newborns. 3. The type of delivery, breech and other I e was found worst and C-Section was the second, however normal spontaneous delivery was found the best. 4. In observation of sucking power of the newborn related its score and weight, good, fair, poor marks were given. But for convenience of statistical analysis. good and fair was collected together and poor alone evaluated. The result of group 1.2 examined statistically by F.E.T shown no relation between newborn weight and sucking power. however group 3, examined by X$^2$test shown very significant relation between newborn weight and sucking power. 5. The mortality rate of newborn while they were in hospital was found 2.6% to 545 of birth and all cases of dead belonged to group 1 at 1 minutes after delivery. 64.3% of the dead was found among the cases less than 2, 500g. 6. It was found that in this observation premature and Newborn asphyxia had influence to low score at birth. Conclusively, good anthemata carr should be emphasized in order to prevent main causes of these and should avoid abnormal delivery as possible.
Journal of Korean Society of Environmental Engineers
/
v.34
no.3
/
pp.177-188
/
2012
This study was mainly focused on the development of GIS based decision support system to easily make mitigation scenarios and to conveniently simulate water quality for TMDL. The study area was the 31km section of upper Sapgyo stream in Geum river basin, and QUAL2E model was adopted. GIS DB was built through the collection of the data which includes point/non-point source attributes and various thematic maps. The amounts of discharged loads of BOD, T-N and T-P from unit watershed were estimated respectively. Finally, the system, which can operate water quality simulation through simply modifying their values, was developed. The hypothetical three mitigation scenarios were applied, thereby the most efficient mitigation scenario could be chosen by comparison of the results based on GIS. Therefore, it is expected that the developed system can facilitate the decision makers to select the best alternative through the analysis of the available BMPs. Also, it can be used to develop new scenarios using different methods and algorithms. In the future, more study need to be made to enhance its applicability in the perspective of developing mitigation scenarios through the management of individual pollutant sources and extending study areas.
This study did derive a characteristic of a cover design through considering a concept, a function and components of a cover design based on a literature study and through analyzing cases of the best-seller cover designs for the literature section from 1999 to 2002. In terms of a reader's preference for a cover design according to an age and sex of a reader, it tried to suggest a condition and a method of a book-cover design through a questionnaire survey and the image evaluation. In a survey of the preference for a cover design, there was the difference of interest degree in a kind of a book, a place to buy a book and a cover design according to an age and sex. In addition, it was shown that a woman prefers the stylish typography, and both a man and a woman prefer the cool color. However, except these two, the reason why there is no difference in preference for visual elements are that a cover design is an integrative image comprising several elements. Accordingly, through the Semantic Differential Method, it carried out the evaluation as to a cover design as an integrative image. As a result of that, an abstract image was shown to be difficult to convey a meaning because of its fall in clarity. Further, a cover design mainly comprising the stylish typography gained the high evaluation in unique and clarity. It is thought to be attributable to the easiness to achieve a goal of seeing and reading in a cover design in which an image and the typography are balanced, rather than the excessive visual. Even though the visual is excellent, there was difference from what having been excellent in conveying a meaning, which is a functional aspect. This study tried to examine, limiting it only to a visual element. It will be hereafter required to proceed with a study on the influence on a reader's preference according to material, bookbinding and a form of book which are elements comprising a cover design.
Two RADARSAT SAR images with different modes acquired by Canadian Space Agency to test the effectiveness of geological lineament extraction and spring water detection over the Cheju Island. Geological lineaments are poorly developed this basalt dominant volcanic island, but more linear features can be extracted when SAR and TM images are simultaneously analyzed than when TM image alone is used. This results mainly owe to the facts that RADARSAT SAR systems are able to provide data with different frequencies, azimuth, and incidence angles. Distribution of spring water along coast is poorly correlated with geological lineaments or drainage pattern, but those in middle range of mountain region are developed along geological lineaments. Detection of spring water using remotely sensed images are turned out to be very difficult to achieve. Radial shaped sea surface temperature anomaly derived from TM thermal band should be the best candidate for spring water, but the resolution is not high enough. We also investigate the normalized radar cross section (or sigma naught) converted from RADARSAT and ERS-1 SAR data but to discriminate the spring water effectively except where relatively large water mass is observed on land side. Speckle noise and irregularity in physical sea surface condition are the serious obstacles for this application. ERS-1 SAR image acquired in low incidence angle was more useful for geological lineament estimation and water body study than RADARSAT SAR images with high incidence angles. Therefore the selection of incidence angle is critical in geological and spring water applications of SAR images, and low incidence angles less than about 30$^{\circ}$ are recommended to monitor the Cheju volcanic island.
Prior studies on frequency-related image quality analysis of intravascular ultrasound catheters are lacking both in Korea and abroad. Therefore, this study was conducted to prepare a standard for measuring the image quality using the program and to suggest a measuring method to researchers related to the quality analysis of intravascular ultrasound images. For the target, the vessel lumen size is 3.0 - 4.0 mm. Before using intravascular ultrasound, thoroughly clean the ultrasound catheter so that no air or foreign substances enter it. Normal vascular images and lesion vascular images of sufficiently dilated images were used. As a standard image acquisition method, the image of the end-systolic section, which has the best evaluation of vascular lesions when using intravascular ultrasound, was acquired retrospectively through the DCAS PACS program to set the standard. When setting the measurement method criteria, we proposed a standard setting method that corresponds to the concentric and eccentric circles of normal and lesion vessels. By applying this criterion, we proposed a method for measuring the lumen and lateral cavities of normal and lesion vessels of interest and background area. In conclusion, if the image quality of intravascular ultrasonography is measured through the method devised by these researchers, consistent quality measurement is possible regardless of the type of intravascular ultrasound catheter. Therefore, it is thought that it can be applied as a guideline for the actual image quality measurement method in the study related to intravascular ultrasound image quality.
Journal of Korean Library and Information Science Society
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v.52
no.3
/
pp.1-20
/
2021
This study is the most important component in establishing the court library as the best legal library in Korea responsible for professional legal services. A perception survey was conducted on the target. As a result, first, looking at the collection direction based on the needs of general users, in the case of collection types, preference in the order of books, electronic materials, and non-books should be considered. It seems to be necessary to plan a collection development policy reflecting the high preference for books. In addition, in the non-books section, the preference for non-book materials in the form of video rather than audio is much higher, and in the case of language, domestic books should be collected mainly. Second, looking at the collection direction based on the needs of experts, the satisfaction of experts is generally low, so it seems that a collection development policy should be established to improve this. As for the type of information source, preference was shown in the order of electronic materials, books, and non-books. There is a need. The future collection direction should be based on the preference shown in the order of procedural law, specialized field, basic substantive law, and legal series. Also, when collecting the same book, electronic form of legal data should be considered rather than printed. In addition, it is necessary to collect collections mainly from domestic books, and then, it is expected that the scope of collection should be expanded to prioritize English and American books, Japanese books, and German books.
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