• Title/Summary/Keyword: Growth appearance

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한국산의 죽류에 관한 연구 (제5보) Phyllotachys reticulata(참대)의 연령식별법에 대하여

  • 정현배
    • Journal of Plant Biology
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    • v.5 no.2
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    • pp.13-16
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    • 1962
  • Without annual ring, the bamboo can not measured by ordinary mensuration method. Other methods yet tried failed to prove the reliability. That means, as often pointed out, that the bamboo lumbering (including forest management) is not free from being precarious. Noting the fact, this author performed a serieds of comparative observations on a group of bamboos in different stages of growth in order to find out if there is any surer mensurability. A conclusion has been reached that the external feature of joints of branch has close connection with the age of bamboo, that the joints of the third major branch counting from the ground have, as shown in the first table, the most probability, its mean being 94.3 per cent, and that those in ages of 3 to 5 have the probability of 100 per cent, showing the far greater accuracy as compared with those in older ages. The above conclusion needs to be adjusted with the following findings; 1) When observed disregarding the joint-tongue(the remainder of the preceeding year's sheath), the major branches show no better probability than the minor ones. 54 to 78 per cent of them shows no difference between them. Probability is averaged by 60 per cent. 2) When in spring the old sheaths drop away from the joints, the new ones sprout out in their places and consequently the joints present an appearance of a kind of joint-ring. But since this joint-ring does not always exactly represent the plant age, some other method must be sought after to count the age. This author noticed what is called "joint-tongue" the tongue-like part of triangle shape which remains at the base of the sheath of the fallen leaf. A fact was ascertained that when the number of the joint-ring coincides with that of the remaining joint-tongue, it exactly indicates the age of the plant.the plant.

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The Study of Fire Suppression Capability of Sprinkler System for Wooden Cultural Properties (스프링클러 소화설비의 목조문화재 소화성능에 관한 연구)

  • Roh, Sam-Kew;Ham, Eun-Gu;Kim, Dong-Chul
    • Fire Science and Engineering
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    • v.25 no.6
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    • pp.51-57
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    • 2011
  • The domestic wooden cultural properties applied to the sprinkler extinguishing system was confirmed extinguishing performance through fire experiments. Consists of wooden cultural properties of a fire, a flammable material is vulnerable in terms of. The scale of fire will occur to vary appearance of the initial fire in case of arson. Sprinkler nozzles of the characteristics, the discharging pressure is 1 bar and the flow rate is 80 lpm, applied in this experiment. Fire performance experiments were tested in two separated in each of the scale of the fire and cultural properties. Fire extinguishing performance test results was low in high ceilings and two or more units of the fire scale. Fire growth environment of the actual wooden cultural properties to experimental models when you consider that it is more vulnerable, sprinkler extinguishing system is required sufficient verification in order to apply fire protection of the wooden cultural properties.

Comparison of Growth Characteristics of Soybean Sprouts Cultivated by Three Methods (콩나물 재배방법에 따른 생장 특성 비교)

  • Shin, Dong-Hwa;Choi, Ung
    • Korean Journal of Food Science and Technology
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    • v.28 no.2
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    • pp.240-245
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    • 1996
  • Soybean sprouts(Paektae chunjari variety) cultivated for 5 days at a high temperature and humidity condition placed in the position of either upside down (method 1) or up right (method 2) were compared with the sprouts grown for 9 days with the conventional method (method 3) with respect to appearance, yield, rotten rate and organoleptic quality. The method 1 sprouts cultivated at a high temperature and humidity by sprinkling underground water (controlled temperature $17^{\circ}C$) 8 times a day were not significantly different in yield, rotten rate and moisture content from the method 2 sprouts except the lighter individual weights. The total weight yield of method 1 sprouts ($699{\pm}8.14%$699±8.14%) was lower than that of the method 3 sprouts ($771{\pm}11.8%$) but there was no significant difference in rotten rate ($0.83{\pm}0.07$). The organoleptic quality of the method 1 sprouts were superior in colour, flavor and overall taste than the method 3 sprouts.

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Effects of dietary coenzyme Q10 on adriamycin-induced myocardial ultrastructural changes in rats (식이중의 Coenzyme Q10첨가가 Adriamycin을 투여한 흰쥐의 심근 미세구조에 미치는 영향)

  • Seo, Jung-Sook;Han, In-Kyu;Chung, Hyung-Jae
    • Journal of the Korean Society of Food Science and Nutrition
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    • v.18 no.1
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    • pp.62-70
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    • 1989
  • The present study was designed to evaluate whether supplementation of dietary coenzyme Q10 protects the ADR-induced cardiotoxicity in rats. Experiment was undertaken under the condition of simultaneous adminstration of ADR and coenzyme Q10 for 4 weeks. Adriamycin treatment significantly decreased growth performance of rats. But this decrement was not modified by dietary supplementation of conzyme Q10. In the plasma creatine phosphokinase activity, there was no significant difference among experimental groups. Electron microscopic examination revealed a progression of myocardial lesions were dependent upon the level of ADR injection. The most frequently observed fine structural alterations in rat myocardium were mitochondrial swelling, dilation of the sarcoplasmic reticulum and the appearance of a perinuclear vacuolization. But these structural changes were somewhat lesser in defree by dietary supplementation of coenzyme Q10.

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Study on Gesture and Voice-based Interaction in Perspective of a Presentation Support Tool

  • Ha, Sang-Ho;Park, So-Young;Hong, Hye-Soo;Kim, Nam-Hun
    • Journal of the Ergonomics Society of Korea
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    • v.31 no.4
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    • pp.593-599
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    • 2012
  • Objective: This study aims to implement a non-contact gesture-based interface for presentation purposes and to analyze the effect of the proposed interface as information transfer assisted device. Background: Recently, research on control device using gesture recognition or speech recognition is being conducted with rapid technological growth in UI/UX area and appearance of smart service products which requires a new human-machine interface. However, few quantitative researches on practical effects of the new interface type have been done relatively, while activities on system implementation are very popular. Method: The system presented in this study is implemented with KINECT$^{(R)}$ sensor offered by Microsoft Corporation. To investigate whether the proposed system is effective as a presentation support tool or not, we conduct experiments by giving several lectures to 40 participants in both a traditional lecture room(keyboard-based presentation control) and a non-contact gesture-based lecture room(KINECT-based presentation control), evaluating their interests and immersion based on contents of the lecture and lecturing methods, and analyzing their understanding about contents of the lecture. Result: We check that whether the gesture-based presentation system can play effective role as presentation supporting tools or not depending on the level of difficulty of contents using ANOVA. Conclusion: We check that a non-contact gesture-based interface is a meaningful tool as a sportive device when delivering easy and simple information. However, the effect can vary with the contents and the level of difficulty of information provided. Application: The results presented in this paper might help to design a new human-machine(computer) interface for communication support tools.

The Interest of Female High School Student's for Weight Control and Nutrient Intake Status in the Daegu Area (대구 지역 여고생의 체중 조절 관심도와 영양소 섭취 상태)

  • Choi, Mi-Ja;Yun, Soon-Jin
    • Journal of the East Asian Society of Dietary Life
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    • v.17 no.3
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    • pp.329-337
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    • 2007
  • In this study, the interest of female high school students's(N=500) for weight control, as well as nutrient intake status, were analyzed. The mean age, height, and weight of the subjects were, 19.3 years, 162.2 cm and 55.4 kg respectively. Mean BMI was $21.1 kg/m^2$. According to BMI, the percentage of underweight, normal weight, overweight, and obese were 18.5 %, 60.3%, 11.3%, and 11.3% respectively. By the BMI criteria, 60.3% of the subjects were normal weight while the rate of self-recognition was 41.5%. The degree of satisfaction regarding self-body image was only 17.1% and 60.9% showed an interest in weight control. The reason for weight reduction were appearance(65.1 %) and health(24.2%). The body areas where subjects wanted to lose weight included the thighs(32.9%) and whole body(29.3%). They believed the most effective weight control strategy was exercise(81.1 %) and the strategies they used were diet(59.1 %) and exercise(40.4%). Energy intake was 1,733.4 kcal which was 86.7% of the estimated energy requirements(EER). Calcium, vitamin $B_2$, and vitamin C intakes were less than EAR by 34.4%, 40.4%, and 59.6% respectively. The intake of dietary fiber was 5.1 g only 21.1 % of the adequate intake(AI). In summary, high school females interested in weight control have significantly less calcium intake than their peers. The correlations between interest in weight control and weight and BMI were significant(p<0.001). The results of this study suggest that to achieve optimal growth, improved diets that include calcium, vitamin $B_2$, and vitamin C are recommended. High school females interested in weight control should especially be targeted for education on calcium intake.

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Experimental Study of the Multi-Row Disk Inlet

  • Maru, Yusuke;Kobayashi, Hiroaki;Kojima, Takoyuki;Sato, Tetsuya;Tanatsugu, Nobuhiro
    • Proceedings of the Korean Society of Propulsion Engineers Conference
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    • 2004.03a
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    • pp.634-643
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    • 2004
  • In this paper are presented a concept of a new supersonic air inlet, which is designated a Multi-Row Disk (MRD) inlet, aiming at performance improvement under off-design conditions, and results of wind tunnel tests examined performance characteristics of the MRD inlet. The MRD inlet is frequently called ‘a skeleton inlet’ because of its appearance. The performance of a conventional axisymmetric inlet with a solid center body (spike) deteriorates under off-design Mach number conditions. It is due to the fact that total pressure recovery (TPR) governed by the throat area of inlet and mass capture ratio (MCR) governed by an incidence position of an oblique shock from the spike tip into the cowl can not be controlled independently in such air inlet. The MRD inlet has the spike that is composed of a tip cone and several disks arranged downstream of it, based on the experimental fact that several deep cavities on a conical surface have little negative effect on the boundary layer growth. The overall spike length of the MRD inlet is adjustable to the given flight speed by changing space between disks so that a spillage flow can be controlled independently from controlling the throat area. It could be made clear from the result of wind tunnel tests that the MRD inlet improves TPR by 10% compared with a conventional inlet with a solid spike under off-design conditions.

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The Prospective of Antigen-presenting Cells in Cancer Immunotherapy (항원제시세포를 이용한 암 치료제 개발전망)

  • Shim Doo-Hee;Lee Jae-Hwa
    • KSBB Journal
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    • v.19 no.6 s.89
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    • pp.415-420
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    • 2004
  • All around the world, the rate of attack of cancer diseases has been going up and the number of cancer patients has been increasing every year. Cancer can be divided into malignant tumor and benign tumor according to its growth appearance. Many studies and experiments have been conducted and the various treatment are being created to find the way to care malignant. Dendritic cells (DCs), which is an agent of cancer treatments by using an immune reaction in our body, plays an important role to present by a tumor antigen to cytotoxic T-cell and help them to attack the tumor cell directly. However there are some defects of this therapy. Soluble human leukocyte antigen-immunoglobulin fusion protein (HLA-Ig) based artificial antigen presenting cell (aAPC) as the antigen presenting cell (APC) which is complement and overcome some of the limitations of dendritic cell-based vaccines and ex vivo expansion of human T cells is new method for cancer therapy. In this article, we are reviewing the role of DCs and the treatment with it, and searching for the possibility of the new development of immunotherapy for cancer.

Study on Children's Practical Korean Costume Design Applying Fairly Tales as Motif (동화의 이미지를 모티브로 이용한 어린이생활한복 디자인 개발)

  • Kim, Myoung-Ok;Suh, Mi-A;Lee, Youn-Hee
    • Journal of the Korea Fashion and Costume Design Association
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    • v.10 no.2
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    • pp.69-78
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    • 2008
  • The purpose of this study is to develop a plan that adopts a fairly tale motif, which is familiar to children, to traditional Korean costume design factors for the development of practical Korean costume enterprises, which lead the Korean costume industry in its existence. Literary research and previous research methods had been used in this study. After comparing traditional Korean costume factors with practical Korean costume factors through literary research, we examined children's Korean costumes and ordinary children costumes. The results of this study are the following: First, the result of literary research, which used traditional Korean costume as motif of practical Korean costume and adopted model factors that the developed motif had used, shows that the design factors of practical Korean Costumes have changed from traditional to modern, seeking practicability and convenience over appearance. Second, practical Korean costumes are suitable when fairy tale illustration is applied to children with curiosity and warm emotions, and towards children, who spend much time on activity during growth. Third, making use of CAD system, which is different from practical Korean costume based on traditional patterns and single color, and using various pint pattern with many stories for the design of practical Korean costumes, and applying diversity to the market of practical Korean costumes, this study provides new design motif from, which people can feel more familiar to practical Korean costumes.

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A Study on ink Saving Application Method for Domestic for Eco-Friendly Printing (국내 친환경 인쇄를 위한 Ink Saving 적용 방법에 관한 연구)

  • Koo, Chul-Whoi
    • Journal of the Korean Graphic Arts Communication Society
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    • v.30 no.2
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    • pp.35-45
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    • 2012
  • Need color separation process to appear number of minimum printing plate waterway maximum printing color at printing process. This time, printing plate is separated three primary colors of C(cyan), M(magenta), Y(yellow). Appear all colors of printing such three primary colors. But, three primary color ink appears 100% dark gray that is not clean as chroma is neared color to 0 because is not pure. As well as, the ink area rate that is whole by over print amount increase of three primary is expanded. As a result, influence in secondary printablity set-off growth by inaccurate color reproduction and ink dry badness, trapping efficiency decline etc.. Apply ink saving method that is replaced as K ink in consisted dark color constituent because three primary colors are over print each other adding one more K(black) plate by method to improve these problem. Therefore, can reduce extension of the total ink area rate, and help in correct color appearance control. As well as, eco-friendly printing process attains improving printablity at the same time curtailment of printing expense by reducing requirement of total ink. Usually, there are UCR(under color removal) and GCR(gray component replacement) to ink saving application method. But, the practical use limit is insufficient state to tribe of technological investigation or field application about these method in domestic printing field. Therefore, in this research, ink saving been bringing by one method of eco-friendly printing confirmed that is applicable in usual domestic printing environment. Also, searched result getting in printablity by ink saving application.