• Title/Summary/Keyword: DPR

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The Atmospheric Factors Affecting User's Satisfaction in Natural Parks (자연공원의 분위기가 이용자의 만족도에 미치는 영향 - 국립공원과 도립공원을 대상으로 -)

  • 장병문;배민기
    • Journal of the Korean Institute of Landscape Architecture
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    • v.30 no.1
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    • pp.29-43
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    • 2002
  • The purpose of this paper is to examine atmospherical factors affecting user's satisfaction in natural park to answer the research question: what are the effects of atmosphere on user's satisfaction in natural parks(NP). After reviewing the literature, mechanism of NP, and use elements in NP, We constructed the conceptual framework and have formulated the hypothesis of this research. We had obtained data through a questionnaire, which surveyed 508 visitors at 6 of the 73 NP in Korea in 2001, based on stratified sampling method. We have analyzed the data using descriptive statistical methods, the mean difference test, Pearson's correlation analysis, and the multiple linear regression method. We found that 1) the five atmospheric variables, j.e., number of users(NOU), crowding, damage to park resources(DPR), and maintenance of park resources and facilities(MPRF), encounter level(EL) affecting user's satisfaction, have tuned out to be statistically significant at a five percent level. The direction of the relationship between user's satisfaction and MPRF, NOU, EL is the same as that of the dependent variable and the opposite of crowding, and BPR, 2) in bivariate analysis, the positive relationships between user's satisfaction and park resources, MPRF are fairly high and statistically significant. The higher the value of DPR, and crowing, the lower the degree of user's satisfaction, 3) in multivariate analysis, such variables as NOU, crowding, DPR, EL, and MPRF affecting user's satisfaction have been statistically significant at five percent level, and 4) the relative contribution of MPRF, park resources, park facilities, NOU, crowding, DPR, and size of activity space on user's satisfaction have been determined to have respectively 6.00, 4.78, 2.53, 1.83, 1.64, 1.59 and 2.03 times more important than that of EL. Among the atmospheric variables, MPRF is the most important at 1.26 times higher than that of park resources. The research results suggest that the development of devices for the increase in user's satisfaction and user management program based on the knowledge we have found, be recommended in the planning and development process of natural park. The approach adopted by this research is valid and useful for evaluation criteria of NP. It is recommended that more empirical studies by activity types, activity spaces, and seasons on atmospheric elements affecting user's satisfaction be performed in the future.

The Level of Total Phthalate Esters and Di-(2-ethylhexyl) Adipate in Disposable Sanitary Gloves (일회용 위생장갑에서 Phthalate류 및 Di-(2-ethylhexyl) adipate 분석)

  • Lee, Kwang-Ho;Kwon, Ki-Sung;Kwak, In-Shin;Choi, Jae-Chon;Jeon, Dae-Hoon;Jeong, Dong-Youn;Choi, Byung-Hee;Kim, Sung-Wook;Lee, Sun-Hee;Lee, Chul-Won
    • KOREAN JOURNAL OF PACKAGING SCIENCE & TECHNOLOGY
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    • v.6 no.1
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    • pp.41-46
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    • 2000
  • The level of plasticizer such as diethyl phthalate (DEP), di-n-propyl phthalate (DprP), di-n-butyl phthalate (DBP), di-n-pentyl phthalate (DPP), butylbenzyl phthalate (BBP), di-(2-ethylhexyl) phthalate (DEHP), dicyclohexyl phthalate (DCHP) and di-(2-ethylhexyl) adipate (DEHA) was determined in disposable sanitary gloves. Samples of disposable sanitary gloves were taken at retail shops, and their overall extractions in carbon tetrachloride were measured, after establishment of soxhlet appratus in 6 hours. All of 8 samples of disposable sanitary gloves at retail shops were polyethylene (PE). All of the manufactures was voluntarily labelled their boxes of gloves in line Korea Food Code. The level of phthalate esters and DEHA in all of 8 samples were not exceed the detection limit. The detection limits of DEP, DprP, DBP, DPP, BBP, DEHP, DCHP and DEHA were 1.8, 1.9, 1.3, 1.1, 0.9, 0.7, 2.1 and 0.8 mg/L, respectively.

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The method of Deciding PC Web Important Image for Mobile Web Service (모바일 웹 서비스를 위한 PC 웹에서의 중요 이미지 결정 방법)

  • Park, Dae-Hyuck;Hong, Maria;Seo, Jeong-Man;Lee, Keun-Soo;Lim, Young-Hwan
    • Journal of the Korea Society of Computer and Information
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    • v.11 no.1 s.39
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    • pp.63-69
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    • 2006
  • There are many new studies on the contents for mobile devices that are all connected to networks in a seemingly ubiquitous environment. The purpose of this paper is to propose a framework for obtaining Internet content intended for computers on mobile devices. In other words, the primary concern of this paper is to select the best images for optimal performance and convert them into images that can be effectively reproduced on mobile devices. For this, the performance of the server is to be optimized through selecting high-priority images among the many available images and converting them while considering the display pixel rates (DPR) and the image distribution areas.

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Quality Characteristics of English Muffin with Powdered, Soft and Hard Type Rice Flour by Different Grinding Methods (제분방법을 달리한 분질미, 연질미 및 경질미를 이용한 잉글리쉬 머핀의 품질특성)

  • Choi, Ok-Ja;Shim, Ki-Hoon;Ma, Eun-Bich;Lee, Seul;Son, Kyeong-Suk;Jung, Hee-Nam
    • Korean journal of food and cookery science
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    • v.31 no.5
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    • pp.544-550
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    • 2015
  • 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.

Improving Road Construction Productivity by Developing a Programmatic Resource Distribution System for Equipment Sharing in Multi-sectioned Road Construction Projects (다(多)공구 도로 건설 현장의 장비 공유시스템 구축을 통한 생산성 향상에 관한 연구)

  • Koo, Bonsang
    • Korean Journal of Construction Engineering and Management
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    • v.14 no.3
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    • pp.134-145
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    • 2013
  • Road construction projects are parcelled into sub-sections which are then tendered to individual contractors for construction. The type of work and equipments used are similar for each sub-section. However, such equipment are not shared on a regular basis among the contractors and only partially performed in an informal and ad hoc manner. Consequently, road construction equipment suffer from low utilization and increased leasing costs. Lean construction and Program Management approaches stress the importance of collaboration among individual participants in a way that increases the collective cost savings of the entire project. This research attempts to apply such theories with the notion that under utilization of expensive equipment can be improved by formalizing a way to enable the sharing of equipment in large, public sponsored, multi-sectioned road construction projects. A system was developed consisting of a set of criteria and processes that enables automatic allocation of equipment to multiple sites on daily basis, in a way that minimizes equipment costs and improves their individual utility. The system was then applied in allocating three different types of equipment to an actual road construction project with four sub-sections for three months. A new metric, nDPR showed that utilization improved for all equipment and also equipment related costs were decreased by 4.45%. Results also showed that increased shared opportunities of equipment correspond to an increase in utilization and cost savings.

Synthesis of Halicylindramide A Mimetics Containing Lactone Isosteres

  • Yeo, Sang-Hyuk;Seo, Hyun-Ju;Lim, Dong-Yeol
    • Bulletin of the Korean Chemical Society
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    • v.32 no.spc8
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    • pp.2916-2920
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    • 2011
  • Synthesis of halicylindramide A mimetics via solid-phase peptide synthesis is described. The N-Me-Gly-Thr residues in halicyclindramide A has been replaced by N-Me-Gly-Dpr, Lys, or N-Me-Gly-allo-Thr. Solution structures of the mimetics were compared by CD spectroscopy in an aqueous buffer and in TFE.

The PALM system : Architecture and Network Performance (PALM시스템의 구조와 네트웍 성능)

  • Kim, Suk-Il
    • The Transactions of the Korea Information Processing Society
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    • v.1 no.1
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    • pp.105-113
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    • 1994
  • This paper introduces the Parallel Advanced Loosely coupled Multiprocessor (PALM) architecture, which is based on HCH(m,p), where m is number of links per a communication processor (CP) and p is the number of application processors (APs) connected to the CP. communication links between a pair of CPs and/or between a CP and an AP, are made of dual-Port RAMs, which provide fast and reliable word-parallel communication between processors. Among the wide spectrum of HCH networks, HCH(m,2) is also known to be a cost optimal topology, such that HCH(m,2) consists of the largest number of APs retaining the minimal number of CPs and communication links. We also implement a testbed based on HCH(2,2). The experiment result shows that the small communication/computation ratio of the PALM system would realize fine-grain parallelism on message-passing MIMD systems.

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Human Resources Management at the Library of the House of Representatives of the Republic of Indonesia during the COVID-19 Pandemic

  • Fajriawati, Anisah;Laksmi, Laksmi
    • Journal of Information Science Theory and Practice
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    • v.10 no.3
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    • pp.57-67
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    • 2022
  • This study aims to understand human resource management in the Library of the House of Representatives of the Republic of Indonesia (DPR RI) during the COVID-19 pandemic. This institution had to change its work procedures, including its management of human resources. The research uses a qualitative approach with a case study method. Data was collected through interviews, observations, and document analysis, carried out from October to December 2020. The findings show that working from home practices had the following impacts: reduced ability to concentrate while working; many forced changes to the work programme; and problems of miscommunication due to work instructions being conveyed through a WhatsApp group. In response to the situation, the planning function of management was used to suspend the recruitment of interns; the organizing function was divided up tasks into two or three working days a week; the actuating function was seen in the willingness of leadership to motivate staff and to optimize resources by providing training; and the controlling function was realized in an online presence and online reporting mechanisms. It was concluded that the implementation of human resource management in the library was achieved through flexibility and staff empowerment. This involved carrying out initiatives and controlling their effectiveness in response to whatever changes were required by the latest pronouncements from government. Obstacles were still encountered in the implementation of these changes, especially in relation to the organizing function of management, where some conflict was seen between the DPR RI librarians.

Characterization of polycrystalline diamond thin films deposited by using an MPCVD (MPCVD를 이용한 다결정 다이아몬드 박막의 증착 및 물성 분석)

  • Lee, Jin-Bock;Park, Jin-Seok;Ryu, Kyung-Sun;Kwon, Sang-Jik
    • Proceedings of the KIEE Conference
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    • 1998.07d
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    • pp.1330-1332
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    • 1998
  • Polycrystalline diamond films are deposited on a Si substrate by employing a 2.45 GHz $\mu$-wave plasma CVD system. Prior to depositing the diamond film, a DPR(diamond photo-resist) layer is coated to enhance the nucleation density. The growth rate of diamond films increases with the $\mu$-wave power and approaches to be about $1.5{\mu}m/hr$ at 1100 W. Structural properties of diamond films deposited are characterized from their SEM photographs, Raman spectra, and AFM surface images. Lager grain size, higher intensity of diamond peak, and smoother surface are observed for films deposited at a higher power. The possible mechanism on the diamond growth is also discussed to explain the experimental results.

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Case Study : BIM for Planning, Simulating, and Implementing Complex Site Logistics

  • Kim, JongHoon;Cohen, Fernando Castillo
    • Journal of KIBIM
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    • v.5 no.4
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    • pp.47-52
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    • 2015
  • This paper presents a case study using Building Information Modeling (BIM) for planning, simulating, and implementing complex site logistics in a headquarter office building construction project in Silver Spring, MD. As part of the project a prefabricated 92ft structural tube steel pedestrian connector bridge was installed between two adjacent buildings in the city of Silver Spring, MD. There were multiple significant challenges to deliver, offload, prepare, and install the connector bridge safely, on time, and with the minimum disturbances to the neighbors. BIM was of the foremost importance to visualize, simulate, analyze, improve, and communicate the site logistics plan from delivery to installation of the connector bridge. As a result of the effort, GC of the project was able to prepare a highly detailed plan, communicate it effectively to all stakeholders, and flawlessly execute the work as planned. This case study would provide a useful reference for contractors who are seeking a better planning method that enables generation of more accurate, implementable, optimized plans for complex site logistics.