• Title/Summary/Keyword: effective period

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A study on the performance analysis for the elevator system of the high-rise buildings (초대형 고층 빌딩의 엘리베이터 시스템 성능 평가에 관한 연구)

  • Kim, Hyo-Sup;Lim, Dong-Jin
    • Proceedings of the KIEE Conference
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    • 1999.11c
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    • pp.558-560
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    • 1999
  • For the high-rise buildings, the effective use of the buildings heavily depends on the transportation system inside the buildings. For a long period of time, elevators have been the most effective means for moving people residing in the buildings. As the number of elevators in the building grows, it is very complicated to control and manage the elevator system effectively. Since it is almost impossible to find the accurate mathematical model for the elevator systems, the conventional analysis method using the approximated equations is prone to error. In this work, the elevator simulator for the high-rise buildings is developed to assess the accurate behavior of the elevator systems. This simulator can be used to analyze the performance of the given system, or to facilitate the design of the effective elevator systems for new buildings. In this paper, the structure of the simulator has been explained and the simulation results are presented.

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Effective Control of Cellulite Influencing the Balance of Human Body (인체의 균형미에 영향을 미치는 셀룰라이트의 효과적 관리방법)

  • Ro, Hyo-Kyung
    • Korean Journal of Human Ecology
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    • v.13 no.2
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    • pp.283-290
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    • 2004
  • This study was conducted to find out the concept, characteristics, reasons and the kinds, the effects on the body of cellulite and to provide the effective control methods. Formation of cellulate was mostly due to the genetic reason, usually happened after the period of puberty. It was more important to prevent rather than to cure after the cellulite formation happened. The effective ways of preventing it might be to drink enough water and to improve the liver function by restricting the excessive drinking, not to wear too tight-fit dress and high heel shoes. To control the cellulate effectively, diet control, exercise and esthetics had to be balanced together.

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Study on the control of Early Elight of Potato of Potato with Several New Fungicides (감자$\cdot$겹 둥근 무늬병에 대한 신살균제 효과 비교 시험)

  • Jung Bong Jo;Lee Soon Hyong
    • Korean journal of applied entomology
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    • v.2
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    • pp.12-15
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    • 1963
  • 1. The trials were planned to test seven different fungicides for the control of Early blight of potato during the period of 1962 and 1963. 2. All of fungicides tested in the trials were considerably effective to control the disease, as the result of 4 applications which was done in one week intervals from early of June in 1963. All treatments were effective enough to make significant differences from the untreated. Especially, Dithyane M45, Difolatan and Dithane M22 showed satisfactory control even though no significant differences were obtained among them. Besides the three treatments, Bordeaux Mixture were relatively effective.

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Development of Effective Industrial Safety Index and Application (체감 산업안전 평가지수 개발과 그 응용에 대한 연구)

  • Kim, Yu-Chang;Kim, Yei-Chang
    • IE interfaces
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    • v.14 no.1
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    • pp.106-110
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    • 2001
  • The importance of development of occupational safety index is truly great. It will contribute to the wise direction of safety program. In present, frequency and severity ratios were the standard measure. These terms express the incidence of major injuries and severity of the major injuries experience, each with relation to the employee-hours of work exposure during the period that is measured. But these measure don't expressed the dangerous feeling degree of worker. In this study, Effective Industrial Safety Index(EISI) was developed using dangerous feeling degree of worker, frequency of injuries, and severity of injury. EISI can be used as an aid for effective safety management in workplace.

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CONE CALORIMETER STUDIES OF WOOD SPECIES

  • Grexa, Ondrej;Horvathova, Elena;Osvald, Anton
    • Proceedings of the Korea Institute of Fire Science and Engineering Conference
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    • 1997.11a
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    • pp.77-84
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    • 1997
  • Cone calorimeter measurements can be used for the calculation of effective material properties, which can be used as input parameters in modeling of fire. Main parameter measured in Cone calorimeter is heat release rate. Some other parameters as time to ignition, effective heat of combustion, mass loss rate or total heat released is also measured in Cone calorimeter. Total heat released is important from the point of view of total energy available in material in Fire situation. Cone calorimeter. measurements were done on several wood species (oak, beech, spruce, poplar). Measurements were provided at external irradiances 30, 50 and 65 ㎾/$m_2$ in horizontal orientation. Heat release rate data were evaluated and compared as a function of external irradiance for various species of wood. furthermore the influence of external irradiance on effective heat of combustion and total heat release was also evaluated for the period of flame combustion.

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An Updated Evidence-based Practice Review on Teaching Mathematics to Students with Intellectual Disabilities

  • Alhwaiti, Mohammed M.
    • International Journal of Computer Science & Network Security
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    • v.22 no.5
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    • pp.255-265
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    • 2022
  • Educational programs for students with intellectual disabilities have undergone drastic changes in pursuit of the general curriculum. Accordingly, teachers in various fields, including mathematics, strive to find effective methods that enhance learning. The objective of this systematic review is to examine the field of teaching mathematics to students with intellectual disabilities to investigate relevant effective teaching strategies and required teaching skills. To achieve this goal, studies published during the period 2018-2021 were reviewed. Findings indicate the inclusion of nine studies that met the inclusion criteria out of 55 studies. The included studies found that the system of least prompts (SLP) in conjunction with feedback and error correction, and schema-based instruction are generally the most effective strategies in teaching mathematical skills to students with intellectual disabilities. Addition is the most targeted skill, followed by subtraction and algebra problem solving. The least targeted skills are multiplication, recognition of geometric shapes, calculating price after discount, rapid recognition of numbers, and rapid problem solving. The paper provides recommendations and suggests venues of future research.

Task offloading under deterministic demand for vehicular edge computing

  • Haotian Li ;Xujie Li ;Fei Shen
    • ETRI Journal
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    • v.45 no.4
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    • pp.627-635
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    • 2023
  • In vehicular edge computing (VEC) networks, the rapid expansion of intelligent transportation and the corresponding enormous numbers of tasks bring stringent requirements on timely task offloading. However, many tasks typically appear within a short period rather than arriving simultaneously, which makes it difficult to realize effective and efficient resource scheduling. In addition, some key information about tasks could be learned due to the regular data collection and uploading processes of sensors, which may contribute to developing effective offloading strategies. Thus, in this paper, we propose a model that considers the deterministic demand of multiple tasks. It is possible to generate effective resource reservations or early preparation decisions in offloading strategies if some feature information of the deterministic demand can be obtained in advance. We formulate our scenario as a 0-1 programming problem to minimize the average delay of tasks and transform it into a convex form. Finally, we proposed an efficient optimal offloading algorithm that uses the interior point method. Simulation results demonstrate that the proposed algorithm has great advantages in optimizing offloading utility.

Analyzing the Reduction of Runoff and Flood by Arrangements of Stormwater Storage Facilities (우수저류시설의 배치방법에 따른 유출 및 침수피해 저감효과 분석)

  • Park, Changyeol;Shin, Sang Young;Son, Eun Jung
    • Journal of Korean Society on Water Environment
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    • v.29 no.1
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    • pp.45-54
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    • 2013
  • This study analyzes the reduction effects of runoff and flood damage through different arrangements of stormwater storage facilities. Three scenarios based on the spatial allocation of storage capacity are used: concentrated, decentralized and combinative. The characteristics of runoff and flood damage by scenario are compared. The XP-SWMM model is used for runoff simulation by the probable rainfall of return period. The result shows that the concentrated arrangement of storage facilities is most effective to reduce the amount of peak flow and to delay the time of peak flow. Yet, while the concentrated arrangement is most effective to reduce the inundation damage, it is not effective to reduce runoff volume. The decentralized arrangement is most effective to reduce runoff volume. The combinative arrangement is effective not only the runoff reduction but also the reduction of flood damage. The result indicates that the flood mitigation strategies against heavy rainfall need to consider decentralized on-site arrangement for the reduction of runoff volume along with concentrated off-site arrangement of storage facilities.

Clinical efficacy of Gyeongshingangjeehwan16 according to obeisty related to measurement variables. (신체부위별 측정변인에 따른 경신강지환16의 비만 개선효과 평가)

  • Jung, Yang-Sam;Yoon, Ki-Hyeon;Choi, Seung-Bae;Yoon, Mi-Chung;Shin, Soon-Shik
    • Herbal Formula Science
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    • v.16 no.1
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    • pp.169-183
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    • 2008
  • In this study, we measured body mass index, visceral fat ratio and 6 parts of body, neck circumference, circumference of upper arm, chest circumference, abdomen circumference, hip circumference, and thigh circumference by bioimpedence analysis system, after taking Gyeongshingangjeehwan16 (GGEx16) in five months except the first period before taking GGEx16 on 49 women who are obesity or high-level obesity. In order to examine the significance test for the effect of obesity improvement of GGEx16, we practices repeated measure ANOVA with values of measurement variables in 6 monthly times. As a result of all measurement variables, there were significant difference (P-value=0.001). Therefore, we can say that GGEx16 is effective about obesity improvement. As it dramatically decreased between second measure period and first measure period for all measure variables, we can see that there were the most effect of GGEx16 in the first time after taking GGEx16. It is known that a important measurement variable to have a effect for obesity improvement about two variable which are body mass index and visceral fat ratio is waist circumference through correlation analysis. The result of whether there are differences to effect of obesity improvement for GGEx16 around the climacteric, there were significant difference for the effect of obesity improvement for GGEx16 around the climacteric about all parts of body (P-value=0.001). There were also powerfully difference in effect of obesity improvement for GGEx16 around the climacteric about all parts of body (P-value=0.001). Especially, the climacteric before is more effective than the climacteric after in the aspect of the effect of GGEx16.

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Effect of Needle-embedding Therapy on Supraspinatus Tendon Partial Tear Combined with Oriental Medical Treatment : Case Report (극상근건 부분파열 환자에 매선과 한의치료를 시행한 증례 보고)

  • Cha, Eun Hye;Jung, Da Woon;Yang, Mu Hack;Kim, Byeong Han;Shin, Hee Ra;Kwon, Young Dal
    • Journal of Physiology & Pathology in Korean Medicine
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    • v.32 no.4
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    • pp.277-282
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    • 2018
  • The purpose of this study was to investigate the clinical effects of Korean medical treatments combined with Embedding acupuncture on patients with supraspinatus tendon partial tear. We reviewed the medical records of 1 patients with supraspinatus tendon partial tear at Pureunsan oriental medical clinic from Oct, 2017 to November, 2017. The patient received embedding acupuncture therapy and oriental medical therapy. To evaluate the efficacy of the treatments, the patient was asked to complete a Visual analogue scale(VAS) and the Shoulder pain and disability index during treatment period. The VAS of the patient decreased more than the screening period. The SPADI change of the embedding acupuncture group were greater than non treatment period. Embedding therapy combined with Korean medical treatment might be effective in reducing pain and improving the life quality of patients with supraspinatus tendon partial tear. We hope that further studies will be done to produce more clinical data and ensure effective application of these results.