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Paper Presented at International Conferences

Biology

Chantaramongkol, P. and Chaibu, P. Caddishflies of Upper Ping River. 9 th International Symposium on Trichoptera, Chiang Mai 1998, Chiang Mai. 5 - 10 January, 1998

Chantaramongkol, P. and Malicky.H. A Preliminary Survey of the Trichoptera of Thailand. 9 th International Symposium on Trichoptera, Chiang Mai, 1998. Chiang Mai. 5 - 10 January, 1998

Chantaramongkol, P. and Sompong, S. Diversity and Life History of Caddisflies (Limnocentropus spp. ) from Strams at Two Altitudes in Doi Inthanon National Park. 9 th International Symposium on Trichoptera, Chiang Mai, 1998. Chiang Mai. 5 - 10 January, 1998

Chantaramongkol, P. and Thani, I. Life History of Ugandatrichia Maliwan and Water Quality in two Streams in Doi Inthanon National Park. 9 th International Symposium on Trichoptera, Chiang Mai, 1998. Chiang Mai. 5 - 10 January, 1998

Chantaramongkol, P. and Guruge. W. A. H. P. Artificial Substrate Preferences of Trichoptera Larvae in Northern Thailand. 9 th International Symposium on Trichoptera Chiang Mai 1998.

Chantaramongkol, P., McQuillan, P. and Promkatkaew, S. PATN Analysis of Light Trapping Trichopera Data from Huay Koo Kaow Stream, Chiang Mai Zoo, Doi Suthep, Thailand. 9 th International Symposium on Trichoptera, Chiang Mai 1998. Chiang Mai. 5 - 10 January, 1998

Jatisatienr, A. and Jatisatienr, C. Fertilization and Fungal of Diseases in Diploid and Tetraploid Gloriasa spp. for Further Development of Horticulture in East Asia, Tokyo University of Agriculture and Technology, Japan. 30 March - 7 April, 1998.

Jatisatienr, A. The Fungicidal Properties of Extracts of Clove ( Eugenia Caryophylus Spreng) and Sweet Flag (Acorus Clamus Linn.). II World Congress on Medicinal and Aromatic Plant for Human Welfare ( WOCMAP II ), Mendoza, Argentina, 7 - 21 November, 1997.

Leksawadi, P. Parasitizing Behaviour and Experiment on Parasitization of American Cockroach Ootheca in living room by egg Parasitoid Tetrastichus Hagenowii. The Third National Plant Protection Conference,, Kasetsart University, Bangkok, Thailand, 18 - 20 November,1997.

Lumyong, S. Endophytic Fungi from Indigenous Dicotyledonous Plants at Doi Suthep-Pui Area, Thailand. International Conference on Biodiversity and Bioresources - Conversation and Utilization, International Union for Pure and Applied Chemistry ( IUPAC ), Phuket, Thailand. 22 - 28 November, 1997.

Lumyong, S., Lumyong, P., Pongputtachart, D. and Tomita, F. Endophytic Fungi from Thailand : Distribution and Screening of Organic Acid and Enzyme Production. Biotechnology : An essential tool for future development, Suranaree University of Technology, Nakornrachasima, 19 - 21 November, 1997.

Plikomol, A., Supalaksanakorn, M. and Sriyotha, P. Isolation of Microorganisms for Chitin Degradation. Biotechnology : An essential tool for future development, Suranaree University of Technology, Nakornrachasima, 19 - 21 November,1997.

Singtriphop,T. Study of Morphology,Nutrient Contents and the Physiological Characteristic of the Bamboo Borer. 13 th International Congress of Comparative Endocrinology, Yokohama, Japan, 14 - 30 November, 1997.

Sonthichai, S. Ants from Doi Chiangdao, Thailand. International Conference on Biodiversity and Bioresources Conversation and Utilization, International Union for Pure and Applied Chemistry ( IUPAC ), Phuket, Thailand. 22-28 November,1997.

Sornsrivichai, J. Nondestructive Techniques for Quality Evaluation of Tropical Fruits. Symposium Committee in Commemmoration of 75 th Anniversary of Japanese Society for Horticultural Science, University of Tokyo, Japan. 31 March - 9 April, 1998.

Supanwong, K. Comparison of Dilution by Serological Pipette and Automatic Pipette for the Determinations of CFU. Conf. on Biotechnology for Environmental Conservation, Kasetsart University, Nakornpatom, Thailand. 9 - 12 December, 1997.

Wongsawad, C. Light and Scanning Electron Microscopy of the Large Intestinal Nematode (Ascaridia Galli Schrank, 1788) from Domestic Chick. Conf. on Electron Microscopy, Chulalongkorn University, Thailand. 18 - 20 December, 1997.

Chemistry

Grudpan, K. (1) Flow Injection Analysis Coupling with Ion Chromatography, (2) Flow Injection Analysis Using on Unstable Reagent Spectrophotometric Determination at Ascorbic acid in Vitamin C Taldet. The Ninth International Conference on Flow Injection Analysis (ICFIA 98). Seatle. USA, 23-27 August, 1997.

Grudpan, K. (1) A Study on Tin Tailing Leaching, (2) Recent Developments on On - Line Sample Pretreatment in Combination with Flow Injection Techniques. International Analytical Conference 1998, Munich, Germany. 21 - 25 April, 1998.

Phutrakul, S. Production and Characterization of Extracellular Protease Produced by a Thermophilic Bacterium Strain TLS 33. International Conference on Biodiversity and Bioresources - Conversation and Utilization, International Union for Pure and Applied Chemistry ( IUPAC ), Phuket, Thailand. 23 - 27 November, 1997.

Geology

Asnachinda, P. Keng Tung Geothermal Field, Eastern Shan State, Myanmar. Ninth Regional Congress on Geology, Mineral and Energy Resources of Southeast Asia (GEOSEA 98), Kuala Lumpur, Malaysia, 16-21 August, 1997.

Ratanasthien, B. Preparation of Thai Coals for Water and Waste Water Treatment Potential Weathering Characteristics of Mae Moh Lignite Mine and Power Plant Waste, Lampang, Thailand. Ninth Regional Congress on Geology, Mineral and Energy Resources of Southeast Asia (GEOSEA 98), Kuala Lumpur, Malaysia, 16-21 August, 1997.

Singharajwarapan, S. Provenance and Tectonic Setting of Deposition of Metagraywackes in the Nan River Suture, Northern Thailand. Ninth Regional Congress on Geology, Mineral and Energy Resources of Southeast Asia (GEOSEA 98), Kuala Lumpur, Malaysia, 16-21 August, 1997.

Mathematics

Arvon, S. Galois - Closed Subrelations and M - Solid Varieties. Workshop on General Algebra, Technische Hochschule Darmstadt,Germany. 7 - 9 November,1997.

Kananthai, A. On the Convolution Equation Related to the N Dimentional Ultrahyperbolic Operator. EIGHT International Congress on Computational and Applied Mathematic ( ICCAM), University of Leuven, Belgium. 24 July - 4 August, 1998.

Leeratanavary, S. Weak Hypersubstitutions and Weakly Derived Algebras. The Summer School on General Algebra and Ordered Sets, Palacky University Olomouc, Czech Republic. 28 August - 7 September, 1998.

Suantai, S. Matrix Transformations on Some Vector - Valued Scquence Spaces. Conference On Function Spaces V, Adam Mickiewicz University, Poland. 26 August - 5 September, 1998.

Physics

Boonyawan, D. and Vilaithong, T. A 13.56 MHz Multicusp Ion Source for Gasous Ion Beam Production. Asian Europeau International Conference on Plasma Surface Engineering, Soul, Koria, 5-9 October, 1997.

Suanpoot, P. DC Multi Plasma Chamber. Asian European International Conference on Plasma Surface Engineering, Soul, Koria, 5-9 October, 1997.

Tippawan, U. Utilization of A 2ns - Pulsed Neutron Generator for Bulk Elemental Analysis. Symposium on Radiation Measurements and Applications. University of Michigan, USA. 10 - 16 May, 1998.

Vilaithong, T. N-Ion Implantation Assisted by Preparative and Closing Implantation for Surface Modification of Tool Steel. 11 th International Conference on Ion Beam Modification of Materials, Netherland. 29 August - 6 September, 1998.