• Title/Summary/Keyword: Growth control

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Efficient Procedural Modeling of Trees Based on Interactive Growth Volume Control

  • Kim, Jinmo
    • KSII Transactions on Internet and Information Systems (TIIS)
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    • v.7 no.9
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    • pp.2232-2245
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    • 2013
  • The present study proposes efficient procedural modeling methods for enabling the growth and creation of various trees with minimal user control. Growth volume algorithms are utilized in order to easily and effectively calculate many parameters that determine tree growth, including branch propagation. Procedural methods are designed so that users' interactive control structures can be applied to these algorithms to create unique tree models efficiently. First, through a two-line-based interactive growth volume control method, the growth information that determines the overall shape of the tree is intuitively adjusted. Thereafter, independent branch control methods designed to control individual branches are added to the growth deformation in order to enable the growth of unique trees. Whether the growth processes of desired trees can be easily and intuitively controlled by the proposed method is verified through experiments. Methods that can apply the proposed methods are also verified.

Experimental Studies on the Expression of Hair Growth Related Factors after Acupuncture & Moxibustion Therapy (침구요법(鍼灸療法)에 의한 발모관련 인자들의 발현에 대한 실험적 연구)

  • Kim, Ho-Il;Kim, Cheong-Moo;Lee, Chang-Hyun
    • Journal of Physiology & Pathology in Korean Medicine
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    • v.25 no.4
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    • pp.674-682
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    • 2011
  • The present study was undertaken to investigate the effect of acupuncture & moxibustion therapy on the hair follicle growth of skin 5 days and 10 days by macroscopic, microscopic and immunohistochemical methods. The results were as follows : Macroscopic hair follicle growth of plum-blossom needle treated group and strong moxibustion treated group was more increase than that of control group. Microscopic hair follicle growth of plum-blossom needle treated group and strong moxibustion treated group was hair growing cycle, anagen phase VI and that of control group and weak moxibustion treated group was hair growing cycle, anagen phase IV. Immunohistochemical observations on the expression of various growth factors, enzyme and receptor in hair follicle cycle after local treatment of acupuncture & moxibustion therapy are as follows: Expression of fibroblast growth factor was more intense in epidermis in plum-blossom needle treated group, epidermis and secondary hair germ cells in strong moxibustion treated group than control group. Expression of epidermal growth factor was more intense in epidermis in all experimental groups, and secondary hair germ cells in moxibustion treated group than control group. Expression of c-kit receptor was more intense in epidermis, secondary hair germ cells, outer root sheath in all experimental groups than control group. Expression of protein kinase C-${\alpha}$ was more intense in epidermis, secondary hair germ cells, outer root sheath in all experimental groups than control group. Expression of vascular endothelial growth factor was more intense in epidermis, bulge, secondary hair germ cells, outer root sheath in plum-blossom needle treated group and strong moxibustion treated group than control group. We concluded that acupuncture & moxibustion therapy related to the expression of various growth factors, enzymes and receptor on the hair growth cycle for hair growth.

Impacts of Corruption Control on Economic Growth in Relationship with Stock Market and Trade Openness

  • PHAM, Van Thi Hong
    • The Journal of Asian Finance, Economics and Business
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    • v.7 no.12
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    • pp.73-84
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    • 2020
  • The study aims to investigate the dual effects of corruption control on economic growth in relationship with the stock market and trade openness in developing countries. The study used difference S-GMM method on the dynamic panel data model in the period (2002-2017) with data collected from the World Bank. The study discovers the dominant impacts of corruption control in the relationship with the stock market on economic growth. At the same time, the study also confirms the overwhelming impact of corruption control in the relationship between trade openness and economic growth in the developing countries. In addition, the study shows that inefficient stock markets in developing countries will not promote economic growth. Meanwhile, the long-standing credit market has a positive impact on economic growth. With the strong development of stock market and trade openness in the period (2002-2017), control on corruption in developing countries does not get better in time with the increase in demand. The findings of this study suggest a number of solutions to strengthen corruption control, leading to the increased efficiency on the stock market and as well as encouraging the positive effects of trade openness to contribute to promoting economic growth in developing countries.

Effect of Photoperiod on the Growth and Matter Production in Zoysia matrella (일조시간이 금잔디(Zoysia matrella)의 생장 및 물질생산에 미치는 영향)

  • 도봉현
    • Asian Journal of Turfgrass Science
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    • v.3 no.2
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    • pp.83-88
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    • 1989
  • This Study was designed to know the growth Status under various photoperiod using Zoysia matrella. The experimental plots were split into such groups as control (full sunlight) 3hour, 6hour and 9hour photoperiod by three replication of completely randomized design. Chlorophyll content was analyized by mackine method and total soluble sugar by anthrone method. The result obtained from this experiment was as fol1 lows ; l. Dry weight was high in the control and 9hour plots. Its decrease remarkably occured in the short day plots 2. Leaf growth woes remarkaly decreased by short day condition. Six hour was considered as critical duration for leaf growth. 3. The growth of rhizome in the 9hour and control plots was good. New development of rhizome in the' short day plots was very slow compare to the control plot. 4. Chlorophyll content was high at l8 days after transplanting and then decreased. Its content in the short day plots severely decreased. 5. The content of soluble sugar in the control was low at early growth stage and high at late growth stage. It was found that the shorter the exposure time to sunlight, the higher the ratio of sugar content.

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Implementation of Complex Growth-environment Control System in Greenhouse (온실 복합생장환경 관제 시스템 구현)

  • Cho, Hyun Wook;Cho, Jong Sik;Park, In Gon;Seo, Beom Seok;Kim, Chan Woo;Shin, Chang Sun
    • Journal of Korea Society of Digital Industry and Information Management
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    • v.7 no.1
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    • pp.1-9
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    • 2011
  • In this paper, Wireless sensor network technology applied to various greenhouse agro-industry items such as horticulture and local specialty etc., we was constructed automatic control system for optimum growth environment by measuring growth status and environmental change. existing monitoring systems of greenhouse gather information about growth environment depends on the temperature. but in this system, Can be efficient collection and control of information to construct wireless sensor network by growth measurement sensor and environment monitoring sensor inside of the greenhouse. The system is consists of sensor manager for information processing, an environment database that stores information collected from sensors, the GUI of show the greenhouse status, it gather soil and environment information to soil and environment(including weather) sensors, growth measurement sensor. In addition to support that soil information service shows the temperature, moisture, EC, ph of soil to user through the interaction of obtained data and Complex Growth Environment information service for quality and productivity can prevention and response by growth disease or disaster of greenhouse agro-industry items how temperature, humidity, illumination acquiring informationin greenhouse(strawberry, ginseng). To verify the executability of the system, constructing the complex growth environment measurement system using wireless sensor network in greenhouse and we confirmed that it is can provide our optimized growth environment information.

Effects on Dry Matter Production and Growth of Zoysia japonica under the Light Environment I . Effect of Shade on Growth in Zoysia japonica (광환경이 잔디(Zoysia japonica)의 물질생산과 생장에 미치는 영향 I.차광율이 Zoysia japonica 생장에 미치는 영향)

  • 도봉현
    • Asian Journal of Turfgrass Science
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    • v.5 no.2
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    • pp.95-114
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    • 1991
  • This paper was designed to estimate the interaction of the first productivity, light conditions and to analyze the ecophysiological productivity, growth characteristics grown under various shading conditions in Zoysia japonica . The results summarized this experiment were as follows; 1.After transplanting the grass, increasing rate of leaf number and total leaf length was remarkahly high at the early growth stage in the control and the 30% shading plot. 2.The increasing rate of leaf area ratio (LA R) in all the experimental plot was remarkable high at the early growth stage after transplanting the grass. Especially, the control and 30% shading plot in compared with another plots, were remarkably high at rate of leaf area. 3.The length and the node number of rhizome in the control and 30% shading plot were also high and the difference was significantly large by the growth stage. 4.Chlorophyll content was very high at 36days after transplanting and then decreased. Increasing rate of shade resulted in its low content. The rate of chlorophyll a to b was decreased by in-creasing rate of shade. 5.The content of soluble sugar in the control and 30% shading plot was low at the early growth after transplanting and high at the late growth stage. Its content in the plot of 70% shading was remarkably low throughout the growth stage. 6.The increasing rate of standing plant in all the experimental plots was high at the early growth stage after transplanting. Increasing rate of shade was typically low through all the growth stage.

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Phamacopuncture and Dermal Application of Sebalgukhwa-san: Effects on Hair Growth in a Mouse Model of Alopecia

  • Ji, Min Jung;Lim, Seong Chul;Kim, Jae Soo;Lee, Hyun Jong;Lee, Yun Kyu
    • Journal of Acupuncture Research
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    • v.36 no.2
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    • pp.92-99
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    • 2019
  • Background: This study was conducted to evaluate the effects of pharmacopuncture and dermal application of Sebalgukhwa-san extracts on hair growth in an alopecia mouse model. Methods: Twenty-one C57BL/6 mice were divided into 3 groups; control group-normal saline injection or vehicle solution application, positive control group-minoxidil (MNXD), experimental group-pharmacopuncture and applied Sebalgukhwa-san (SGS) extract. The effects of the treatment on hair growth, were determined through photographs, and phototrichogram analysis by folliscope. Hair follicle morphometry by hematoxylin-eosin staining was performed, and hair growth-related protein expression of vascular endothelial growth factor, insulin like growth factor-1, and transforming growth factor-beta 1 were monitored by Western blotting. Serum levels of aspartate aminotransferase and alanine aminotransferase were measured for liver function test. Results: Body weight increased consistently in all groups. Hair growth was improved in the MNXD and SGS groups compared with the control. Hair density and thickness improved statistically significantly in the MNXD and SGS groups compared with the control p < 0.05. The number of hair follicles improved in the MNXD and SGS groups compared with the control but the size did not. The expression of vascular endothelial growth factor and insulin like growth factor-1 increased, and there was a decrease in the expression of transforming growth factor-beta 1 in the MNXD and SGS groups compared with the control, however, there was no significant difference. Sebalgukhwa-san treatment had no toxicity in liver function tests. Conclusion: Pharmacopuncture and dermal application of Sebalgukhwa-san extract may be therapeutically beneficial for the treatment of alopecia.

Identification of Crop Growth Stage by Image Processing for Greenhouse Automation (영상정보를 이용한 자동화 온실에서의 작물 성장 상태 파악에 관한 연구)

  • 김기영;류관희;전성필
    • Journal of Biosystems Engineering
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    • v.24 no.1
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    • pp.25-30
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    • 1999
  • The effectiveness of many greenhouse environment control methodologies depends on the growth information of crops. Acquisition of the growth information of crops requires a non-invasive and continuous monitoring method. Crop growth monitoring system using digital imaging technique was developed to conduct non-destructive and intact plant growth analyses. The monitoring system automatically measures crop growth information sends an appropriate control signal to the nutrient solution supplying system. To develop the monitoring system, a linear model that explains the relationship between the fresh weight and the top projected leaf area of a lettuce plant was developed from an experiment. The monitoring system was evaluated buy successive lettuce growing experiments. Results of the experiments showed that the developed system could estimate the fresh weight of lettuce from a lettuce image by using the linear model and generate an EC control signal according to the lettuce growth stage.

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Effect of "Green-one" organic nutrient on mycelial growth and fruiting of Pleurotus ostreatus (유기농 자재 『그린원』이 느타리버섯(Pleurotus ostreatus)의 균사생장 및 자실체 생육에 미치는 영향)

  • Chang, H.Y.;Kim, S.J.;Kim, J.K.;Kim, J.H.
    • Journal of Practical Agriculture & Fisheries Research
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    • v.12 no.1
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    • pp.21-27
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    • 2010
  • The objective of this study was to determine the effects of "Green-one" organic nutrient on mycelial growth and fruiting of P. ostreatus. The dilution concentrations of "Green-one" was treated as follows. There was control, 100, 200, 400 concentrations. That treatments were treated with step of each mycelial growth step. The best of growth steps was mycelial scratching step. At that time, DPI(Day required for primordial formation after inoculation) was shortened for 1 day. Valid germination stipe are 15 pieces, 3 pieces more than control. Stipe length and stipe diameter was long each 4mm, 3mm more than control. Pileus size is shortened than control. Yields per one bottle(g/850cc) was 146g increased 6.5% than control 137g/850cc.

Shape Optimization in Laminated Composite Plates by Volume Control (최적 제어를 통한 복합적층판의 형상최적화)

  • 한석영;백춘호;박재용
    • Proceedings of the Korean Society of Machine Tool Engineers Conference
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    • 2003.10a
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    • pp.277-282
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    • 2003
  • The growth-strain method was applied to cutout optimization in laminated composite plates. Since the growth-strain method optimizes a shape by generating the bulk strain to make the distributed parameter uniform, the distributed parameter was chosen as Tsai-Hill value. In this study, of particular interest is to see whether the growth-strain method developed for shape optimization in isotropic media would work for laminated composite Plates. In volume control of the growth-strain method, it makes Tsai-Hill value at each element uniform in laminated composite plates under the predetermined volume. The shapes optimized by Tsai-Hill fracture index were compared with those of the initial shapes for the various load conditions and predetermined volumes of laminated composite plates. As a result, it was verified that volume control of the growth-strain method worked very well for cutout optimization in laminated composite plates.

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