• Title/Summary/Keyword: Taiwan

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The Slewing Mirror Telescope of the Ultra Fast Flash Observatory Pathfinder

  • Jeong, Soomin;Choi, Ji Nyeong;Jung, Aera;Kim, Min Bin;Kim, Sug-Whan;Kim, Ye Won;Kim, Jieun;Lee, Jik;Lim, Heuijin;Na, Go Woon;Nam, Jiwoo;Park, Il Hung;Ripa, Jakub.;Suh, Jung Eun
    • The Bulletin of The Korean Astronomical Society
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    • v.37 no.2
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    • pp.208.2-208.2
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    • 2012
  • The Slewing Mirror Telescope (SMT) is a key telescope of Ultra-Fast Flash Observatory (UFFO) space project to explore the first sub-minute or sub-seconds early photons from the Gamma Ray Bursts (GRBs) afterglows. The first realization of UFFO is the 20kg UFFO-Pathfinder (UFFO-P) to be launched on board the Russian Lomonosov satellite in 2013 by the Soyuz-2 rocket. Once the UFFO Burst Alert & Trigger Telescope (UBAT) detects the GRBs, Slewing mirror (SM) will rotate to bring the GRB into the SMT's field of view instead of slewing the entire spacecraft. SMT can image the UV/Optical counterpart with about 4-arcsec accuracy. However it will provide a important understanding of the GRB mechanism by measuring the sub-minute optical photons from GRBs. SMT can respond to the trigger over $35^{\circ}{\times}35^{\circ}$ wide field of view within 1 sec by using Slewing Mirror Stage (SMS). SMT has 10-cm Ritchey-Chretien telescope and $256{\times}256$ pixilated Intensified Charge-Coupled Device (ICCD) on focal plane. In this paper, we discuss the overall design of UFFO-P SMT instrument and payloads development status.

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Strength and durability of concrete in hot spring environments

  • Chen, How-Ji;Yang, Tsung-Yueh;Tang, Chao-Wei
    • Computers and Concrete
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    • v.6 no.4
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    • pp.269-280
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    • 2009
  • In this paper an experimental study of the influence of hot springs curing upon concrete properties was carried out. The primary variables of the investigation include water-to-binder ratio (W/B), pozzolanic material content and curing condition. Three types of hot springs, in the range $40-90^{\circ}C$, derived from different regions in Taiwan were adopted for laboratory testing of concrete curing. In addition, to compare with the laboratory results, compressive strength and durability of practical concrete were conducted in a tunnel construction site. The experimental results indicate that when concrete comprising pozzolanic materials was cured by a hot spring with high temperature, its compressive strength increased rapidly in the early ages due to high temperature and chloride ions. In the later ages, the trend of strength development decreased obviously and the strength was even lower than that of the standard cured one. The results of durability test show that concrete containing 30-40% Portland cement replacement by pozzolanic materials and with W/B lower than 0.5 was cured in a hot spring environment, then it had sufficient durability to prevent steel corrosion. Similar to the laboratory results, the cast-inplace concrete in a hot spring had a compressive strength growing rapidly at the earlier age and slowly at the later age. The results of electric resistance and permeability tests also show that concrete in a hot spring had higher durability than those cured in air. In addition, there was no neutralization reaction being observed after the 360-day neutralization test. This study demonstrates that the concrete with enough compressive strength and durability is suitable for the cast-in-place structure being used in hot spring areas.

Mycelial Propagation and Molecular Phylogenetic Relationships of Commercially Cultivated Agrocybe cylindracea based on ITS Sequences and RAPD

  • Alam, Nuhu;Kim, Jeong-Hwa;Shim, Mi-Ja;Lee, U-Youn;Lee, Tae-Soo
    • Mycobiology
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    • v.38 no.2
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    • pp.89-96
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    • 2010
  • This study evaluated the optimal vegetative growth conditions and molecular phylogenetic relationships of eleven strains of Agrocybe cylindracea collected from different ecological regions of Korea, China and Taiwan. The optimal temperature and pH for mycelial growth were observed at $25^{\circ}C$ and 6. Potato dextrose agar and Hennerberg were the favorable media for vegetative growth, whereas glucose tryptone was unfavorable. Dextrin, maltose, and fructose were the most effective carbon sources. The most suitable nitrogen sources were arginine and glycine, whereas methionine, alanine, histidine, and urea were least effective for the mycelial propagation of A. cylindracea. The internal transcribed spacer (ITS) regions of rDNA were amplified using PCR. The sequence of ITS2 was more variable than that of ITS1, while the 5.8S sequences were identical. The reciprocal homologies of the ITS sequences ranged from 98 to 100%. The strains were also analyzed by random amplification of polymorphic DNA (RAPD) using 20 arbitrary primers. Fifteen primers efficiently amplified the genomic DNA. The average number of polymorphic bands observed per primer was 3.8. The numbers of amplified bands varied based on the primers and strains, with polymorphic fragments ranging from 0.1 to 2.9 kb. The results of RAPD analysis were similar to the ITS region sequences. The results revealed that RAPD and ITS techniques were well suited for detecting the genetic diversity of all A. cylindracea strains tested.

Inhibitory Effect of Jewel Orchid (Anoectochilus Formosanus) Plantlet Extract against Melanogenesis and Lipid Droplet Accumulation (금선련 조직 배양체 추출물의 멜라닌 합성 및 지방축적 억제 효과)

  • Park, Chang-Min;Joung, Min-Seok;Paek, Kee-Yoeup;Choi, Jong-Wan
    • Journal of the Society of Cosmetic Scientists of Korea
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    • v.36 no.2
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    • pp.145-150
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    • 2010
  • Anoectochilus formosanus, commonly known as "Jewel Orchids", which has been used in traditional folk medicines for feber, pain, and diseases of the lung and liver in Taiwan. We artificially cultured Anoectochilus formosanus plantlet by using the bioreactor culture system for this study from Anoectochilus formosanus. Previously, several studies have been reported on pharmacological activities of lipid-metabolism, hepatoprotective activity, anti-tumor activity and immuno-stimulating effects but other efficacy were not well known as a cosmetic ingredient for skin care. In this study, we investigated the effect of melanogenesis in B16 mouse melanoma cells and lipid droplet accumulation in 3T3-L1 preadipocytes about Anoectochilus formosanus plantlet extract. We report that Anoectochilus formosanus plantlet extract inhibits the cytoplasmic lipid droplet accumulation through adipogenic differentiation of preadipocytes as well as inhibition of tyorsinase activity and melanogenesis. As a result, our findings indicate that Anoectochilus formosanus plantlet extract may be the potential natural ingredient for whitening and slimming cosmetic products.

Development of Health Promotion Program through IUHPE : Possibilities of Collaboration in East Asia

  • Moriyama, Masaki
    • Korean Journal of Health Education and Promotion
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    • v.22 no.3
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    • pp.97-107
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    • 2005
  • This paper considers the possibilities of health promotion from the following perspectives; (1) IUHPE, (2) socio-cultural similarities, (3) action research, and (4) learning from our past. 1. The IUHPE values decentralized activities through regions, and countries such as Japan, Korea, Hong Kong, Taiwan and China belong to NPWP region. Since IUHPE World Conference was held in Japan in 1995, Japan used to occupy more than 60% of NPWP membership. After 2001, membership is increasing rapidly in Chinese speaking sub-region. The transnational collaboration is still in its beginning phase. 2. Confucianism is one of key points. Confucian tradition should not be seen only as obstacles but as advantages to seek a form of health promotion more acceptable in East Asia. 3 Within the new public health framework, people are expected to create and live their health. However, especially in Japan, the tendency of 'lacking of face-to-face explicit interactions' is still common at health-promotion settings as well as academic settings. Therefore, the author tried participatory approaches such as asking WIFY(interactive questions designed for subjects to review their daily life and environment) and as introducing round table interactions. So far, majority of participants welcome new trials. 4. The following social phenomena are comparatively discussed after Japanese invasion and occupation of Korea ended in 1945; status of oriental medicine, separation of dispensary services, and health promotion specialist as a national license. In contrast to Japanese' tendency of maintaining the status quo and postponing of substantial social change, trend toward rapid and dynamic social changes are more commonly observed in Korea. Although all of above possibilities are still in their beginning stages, they are going to offer interesting directions waiting for further challenges and accompanying researches.

The Simulation and Forecast Model for Human Resources of Semiconductor Wafer Fab Operation

  • Tzeng, Gwo-Hshiung;Chang, Chun-Yen;Lo, Mei-Chen
    • Industrial Engineering and Management Systems
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    • v.4 no.1
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    • pp.47-53
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    • 2005
  • The efficiency of fabrication (fab) operation is one of the key factors in order for a semiconductor manufacturing company to stay competitive. Optimization of manpower and forecasting manpower needs in a modern fab is an essential part of the future strategic planing and a very important to the operational efficiency. As the semiconductor manufacturing technology has entered the 8-inch wafer era, the complexity of fab operation increases with the increase of wafer size. The wafer handling method has evolved from manual mode in 6-inch wafer fab to semi-automated or fully automated factory in 8-inch and 12-inch wafer fab. The distribution of manpower requirement in each specialty varied as the trend of fab operation goes for downsizing manpower with automation and outsourcing maintenance work. This paper is to study the specialty distribution of manpower from the requirement in a typical 6-inch, 8-inch to 12-inch wafer fab. The human resource planning in today’s fab operation shall consider many factors, which include the stability of technical talents. This empirical study mainly focuses on the human resource planning, the manpower distribution of specialty structure and the forecast model of internal demand/supply in current semiconductor manufacturing company. Considering the market fluctuation with the demand of varied products and the advance in process technology, the study is to design a headcount forecast model based on current manpower planning for direct labour (DL) and indirect labour (IDL) in Taiwan’s fab. The model can be used to forecast the future manpower requirement on each specialty for the strategic planning of human resource to serve the development of the industry.

A Study on the Exchange and Evidential Method & Evidential weight of Electronc Document (전자문서의 대체성과 증거방법 및 증거능력에 관한 고찰)

  • 홍선의
    • The Journal of Information Technology
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    • v.2 no.1
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    • pp.53-64
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    • 1999
  • Due to the trend that the wave of the information society is rapidly expanding on a global basis, the level of informatization is emerging as one of the important elements for national competitiveness. To take a competitive position for individuals, corporations, or states beyond their survival in the rapidly changing information environment, they should be able to manage and transmit various information with swiftness and security Today, the exchange of electronic documents or data, through PC which were unknown in the past is indispensable to the expansion of electronic commerce(EC) and eventually contributes to promoting the information society. The improvement of productivity and efficiency through the exchange of electronic documents or data has been recognized as a means to enhance the competitiveness of corporations and states. The United States, the European nations, Japan, and the newly industrialized countries such as Singapore and Taiwan, have been contriving the utilization of electronic documents and the expansion of EC on the strategical dimension of each nation. To activate the use of electronic documents, thus, the purpose of this study is to examine the current environment concerning the use of electronic documents, to investigate the related legal barriers, and to propose some suggestions for reforming the legal system.

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Qualification Test of ROCSAT -2 Image Processing System

  • Liu, Cynthia;Lin, Po-Ting;Chen, Hong-Yu;Lee, Yong-Yao;Kao, Ricky;Wu, An-Ming
    • Proceedings of the KSRS Conference
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    • 2003.11a
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    • pp.1197-1199
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    • 2003
  • ROCSAT-2 mission is to daily image over Taiwan and the surrounding area for disaster monitoring, land use, and ocean surveillance during the 5-year mission lifetime. The satellite will be launched in December 2003 into its mission orbit, which is selected as a 14 rev/day repetitive Sun-synchronous orbit descending over (120 deg E, 24 deg N) and 9:45 a.m. over the equator with the minimum eccentricity. National Space Program Office (NSPO) is developing a ROCSAT-2 Image Processing System (IPS), which aims to provide real-time high quality image data for ROCSAT-2 mission. A simulated ROCSAT-2 image, based on Level 1B QuickBird Data, is generated for IPS verification. The test image is comprised of one panchromatic data and four multispectral data. The qualification process consists of four procedures: (a) QuickBird image processing, (b) generation of simulated ROCSAT-2 image in Generic Raw Level Data (GERALD) format, (c) ROCSAT-2 image processing, and (d) geometric error analysis. QuickBird standard photogrammetric parameters of a camera that models the imaging and optical system is used to calculate the latitude and longitude of each line and sample. The backward (inverse model) approach is applied to find the relationship between geodetic coordinate system (latitude, longitude) and image coordinate system (line, sample). The bilinear resampling method is used to generate the test image. Ground control points are used to evaluate the error for data processing. The data processing contains various coordinate system transformations using attitude quaternion and orbit elements. Through the qualification test process, it is verified that the IPS is capable of handling high-resolution image data with the accuracy of Level 2 processing within 500 m.

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Implementations of Remote Sensing, GIS, and GPS for Water Resources and Water Quality Monitoring

  • Wu, Mu-Lin;Chen, Chiou-Hsiung;Liu, Shiu-Feng;Wey, Jiun-Sheng
    • Proceedings of the KSRS Conference
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    • 2003.11a
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    • pp.1191-1193
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    • 2003
  • Water quantity and quality monitoring at Taipei Watershed Management Bureau (WRATB) is not only a daily business but also a long term job. WRATB is responsible for providing high quality drinking water to about four millions population in Taipei. The quality of drinking water provided by WRATB is among one of the best in Taiwan. The total area is 717 square kilometers. The water resource pollution is usually divided into two categories, point source pollution and nonpoint source pollution. Garbage disposal is the most important component of the point source pollution, especially those by tourist during holidays and weekends. Pesticide pollution, fertilizer pollution, and natural pollution are the major contributions for nonpoint source pollution. The objective of this paper is to implement remote sensing, geographic information systems, and global positioning systems to monitor water quantity and water quality at WRATB. There are 12 water quality monitoring stations and four water gauge stations at WRATB. The coordinates of the 16 stations were determined by GPS devices and created into the base maps. MapObjects and visual BASIC were implemented to create application modules for water quality and quantity monitoring. Water quality of the two major watersheds at WRATB was put on Internet for public review monthly. The GIS software, ArcIMS, can put location maps and attributes of all 16 stations on Internet for general public review and technical implementations at WRATB. Inquiry and statistic charts automatic manipulations for the past 18 years are also available. Garbage disposal by community and tourist were also managed by GIS and GPS. The storage, collection, and transportation of garbage were reviewed by ArcMap file format. All garbage cart and garbage can at WRATB can be displayed on the base maps. Garbage disposal by tourist during holidays and weekends can be managed by a PDA with a GPS device and a digital camera. Man power allocation for tourist garbage disposal management can be done in an integration of GIS and GPS. Monitoring of water quality and quantity at WRATB can be done on Internet and by a PDA.

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A Study on the Way of Interior design for New Markets in the Southeast Asia (동남아시아권 시장개척을 위한 실내디자인방향에 관한 연구)

  • 강호섭
    • Korean Institute of Interior Design Journal
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    • no.18
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    • pp.66-73
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    • 1999
  • Geographically Korea is located near the Southeast Asia and her volume of trade with countries in this region is just next those with America and japav. It is also true, however, that we do not have enough data for the region even though there have been increasing investments and travels from Korea to countries in the region in recent years. Especially, the same is true of the design it may be safely said that we have been indifferent. The purpose of this study is to suggest new design translation ways to find new markets in the Southeast Asian counties, probably away to break off with the so- called IMF era competing with those countries ranging from the Design Powers of European countries, america, and Japan to those countries that have long held markets in the region -Hongkong, Australia, New Zealand, Taiwan, and Singapore. Seemingly, markets in the Asian countries would be good means for us to complete our policy of the internationalization or globalizatiov. As the region has more various races, cultures, customs, and historical backgrounds than any other countries or regions in the world, not only general political and economical situations based on each one's history and culture are reviewed but also construction markets in the Southeast countries, one of barometers for modernization, examined with a view to suggesting means to develop interior design manpower to be more competitive than the counterpart of the advanced counties. The 21st century will be of design culture without fail. Through our design history is relatively short, we have and proud of the five - millennium long history which is just individual source of the creativeness and aesthetics to lead the design field in the world with god competitiveness.

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