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Preface - kmutt

Preface - kmutt

KMUTT Annual Research

KMUTT Annual Research Abstracts 2005 liquids containing organic substances. The classical determination method for BOD requires 3-5 days, thereby, making it unsuitable for process control. The need for fast, portable and cost-effective methods for environmental monitoring has stimulated the production of a variety of field analytical tools such as biosensors. Biosensors are device that have several unique features such as compact size, simple to use, one step reagentless analysis, low cost and quick-real time results. A number of microbial BOD sensors have been developed internationally. The drawback is that they sometimes cannot be used for the local application. This may be due to the different in sample domains, or lack of storage stability caused by shipping and delivery from abroad. In this project, local strains of microorganisms were screened and isolated from sewage treatment plant and soil. Six strains of microorganisms were selected as they performed the highest ability to utilize various organic substrates. To test the assimilation capability in sensor aspect, each selected microorganism was immobilized onto cellulose acetate membrane and the current response obtained from substrate assimilation was recorded. Sensors with the different strains were characterized in terms of linear range, sensitivity, detection time and operational stability. Microbial sensors based on two strains of Bacillus sp. showed good sensor characteristics. At 30°C, the sensors dynamic range was from 0.5 to 80 mg/1 BOD when a glucose/glutamic acid BOD standard solution was used. Typical response times of the BOD sensors were in the range of 7-16 min. The sensors operational lifetime of 60 continuously assays was obtained. The microbial-based sensors were applied to untreated and treated wastewaters from canned fruits, brewery and beverages factory effluents. BOD values determined using these sensors correlated with those determined by the conventional 5-day BOD determination method. IC-331 SOLAR PHOTOVOLTAIC ACTIVITIES & TESTING PROGRAM AT KMUTT IN THAILAND Chaya Jivacate, Dhirayut Chenvidhya The 15 th International Photovoltaic Science & Engineering Conference (PVSEC-15), October 10-15, 2005, Shanghai, China, pp. 459-460 This paper describes the present 193 activities and future role of KMUTT in the approval test of photovoltaic (PV) systems/components. The purposes are to support the country's ambitious PV promotion programs as well as to provide facilities for the research and development work on PV technology in Thailand. Also mentioned in this paper are: the Provincial Electricity Authority's solar home system program (about 22 MW by 2006), the power utility's renewable portfolio standard program on PV (over 100 MW by 2015) and the Department of Alternative Energy Development and Efficiency's PV test center program awarded to KMUTT (approx. US$2 million between 2005-2007). IC-332 INITIATIVE ON LOCAL PV BATTERY PRODUCTION FOR SOLAR HOME SYSTEMS IN THAILAND Yaowanee Sangpongsanont, Nattavut Chayavanich, Setawich Areesakulkij, Chaya Jivacate, Dhirayut Chenvidhya, Krissanapong Kirtikara The 15 th International Photovoltaic Science & Engineering Conference (PVSEC-15), October 10-15, 2005, Shanghai, China, pp. 1287-1288 We report here an initiative for the production of deep cycle batteries for photovoltaic systems in the Solar Home Systems (SHS) project of Thailand. We have tested 105 samples, out of the required 154 samples, representing 0.1% of the SHS units from 3 manufacturers (A, B and C). The share of manufactures in their contracts for batteries are 56.25%, 82.61% and 80.39% for A, B and C, respectively. It is found that some batteries are under capacity, compared to their rated values. The test result should permit the PEA to closely monitor the quality of batteries under procurement. Moreover, the PEA should contemplate rectifying measures for batteries that are under capacity and have already been sent out to SHS users in rural areas. IC-333 ISLANDING EFFECTS DUE TO VOLTAGE CONDITIONS OF GRID DISCONNECTING Nattapong Chayawatto, Somchai Stakulcharoen, Niwat Ruangrotsin, Krissanapong Kirtikara, Chaya Jivacate, Dhirayut Chenvidhya The 15 th International Photovoltaic Science & Engineering Conference (PVSEC-15), October International Conference

194 10-15, 2005, Shanghai, China, pp. 287-288 We examine the effects of voltage conditions (voltage amplitude and phase angle) for grid disconnecting time of a 1.4 kWp PV grid-interactive system. Various types of loads are investigated, i.e. resistive, reactive and those that could resonate at 50 Hz. Dependence of disconnecting times can be explained on basis of stored energy in reactive loads. We have observed that disconnecting time is also affected by voltage conditions. IC-334 PV IMPEDANCE CHARACTERIZATION USING SQUARE WAVE METHOD AND FREQUENCY RESPONSE ANALYZER Chamnan Limsakul, Nattavut Chayavanich, Dhirayut Chenvidhya, Krissanapong Kirtikara The 15 th International Photovoltaic Science & Engineering Conference (PVSEC-15), October 10-15, 2005, Shanghai, China, pp. 849-850 We determine impedance of a crystalline Si solar cell using a frequency response analyzer over 1 Hz to 50 kHz and basic instruments using square wave inputs from 10 Hz to 50 kHz. Impedance loci are plotted in a complex plane. Derivation of series and shunt resistance from the measured results are made and results compared. Owing to low resolution of a digital oscilloscope used, shunt resistance being normally large can be accurately determined, but not series resistance. IC-335 DIAGNOSTIC METHOD FOR EVALUATION OF PV MODULES USING AC IMPEDANCE SPECTROSCOPY Tasanee Chayavanich, Chamnan Limsakul, Nattavut Chayavanich, Dhirayut Chenvidhya, Krissanapong Kirtikara The 15 th International Photovoltaic Science & Engineering Conference (PVSEC-15), October 10-15, 2005, Shanghai, China, pp. 450-451 Substantial deterioration of PV modules that were field-exposed for over 10 years in Thailand have been observed. Laboratory analysis was made through measuring the static and dynamic characteristics of the modules. We find that dynamic characterization readily provides adequate information, in terms of series and shunt resistance, in screening modules KMUTT Annual Research Abstracts 2005 similar to static ones and yields more information for dynamic performance prediction. We propose that the dynamic method can be used as a diagnostic tool. IC-336 AIR POLLUTION ISSUES IN THAILAND Robert A. Dunn, Jonathan Hoyin Chan The 55 th Canadian Chemical Engineering Conference, October 16-19, 2005, Metro Toronto Convention Centre, Toronto, Ontario, Canada Thailand's rapid economic development over the last two decades has led to a significant increase in urban air pollution, especially within the Bangkok Metropolitan Area (BMA). This problem is attributable to an increase in power and transportation demands as well as an increase in pollutants released from industrial sources. Airborne paniculate matter and greenhouse gases are of particular concern. The problem is compounded by the mixed residential/industrial zoning in many parts of the country. In 2001, approximately 6.3 billion US dollars was spent on health problems related to airborne paniculate matter in Thailand, according to a report by the U.S. Department of Environment. The reduction of greenhouse gas emissions is also a high priority in Bangkok as its location makes it particularly vulnerable to the rise in sea level associated with global warming. In addition, human activities, such as urban garbage dumps and the burning of fossil fuels and biomass, have also contributed to the urban air pollution problems within the BMA. These concerns have lead ThaHand to regulate the industrial and transport sector more strictly and investigate alternative energy options. New projects at the Thailand Environment Institute (TEI) in 2005 include enhancing the promotion of energy efficiency and environment management in municipalities and promotion of biomass energy use. IC-337 CONVERSION OF I-PARAFFIN TO N- PARAFFIN FOR A NAPHTHA CRACKING PROCESS Kitti Thamkoson, Jonathan Hoyin Chan The 55 th Canadian Chemical Engineering Conference, October 16-19, 2005, Metro Toronto Convention Centre, Toronto, Ontario, Canada International Conference

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    CONTENTS Page Preface International

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    National Journals

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    54 นอยกวาแบบต

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    56 (Least Square Matching Method)

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    58 อุณหภูมิ 30 แ

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    60 สเปกตรัม จา

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    62 ขอมูลดานทร

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    64 22.8 มาตรฐานเป

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    66 2545 NJ-033 EFFECTS OF ELEVATED

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    68 เปลือกที่ม

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    70 ของการดูดซ

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    72 การสกัดดวย

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    74 collection of authentic texts th

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    76 รอยละ 32 มีสา

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  • Page 217 and 218: 210 จอมเทียนปา
  • Page 219 and 220: 212 การสกัดสาร
  • Page 221 and 222: 214 ไดแก อุณหภู
  • Page 223 and 224: 216 โดยกลไกของ
  • Page 225 and 226: 218 เคลือบเมื่
  • Page 227 and 228: 220 สําเริง จัก
  • Page 229 and 230: 222 ลดเวลาตลอด
  • Page 231 and 232: 224 อุณหภูมิสู
  • Page 233 and 234: 226 NC-043 การวิเคร
  • Page 235 and 236: 228 เกิดพฤติกร
  • Page 237 and 238: 230 เดียว เพื่อ
  • Page 239 and 240: 232 มากนอยเพีย
  • Page 241 and 242: 234 หลักที่พบใ
  • Page 243 and 244: 236 NC-073 การออกแบ
  • Page 245 and 246: 238 บทความนี้น
  • Page 247 and 248: 240 นําเอาเวคเ
  • Page 249 and 250: 242 งานวิจัยนี
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    244 การอบแหงลด

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    246 แยกเฟสต่ํา

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    248 กลบ โดยเปรี

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    250 นํามาใช คือ

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    252 วิเคราะหหา

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    254 NC-123 การวิเคร

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    256 NC-129 เครื่องผ

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    258 สามารถขยาย

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    260 ครั้งที่ 43, 1-

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    262 calculated with the use of the

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    264 Version 1.3.1 และ Softwar

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    266 ขนไกได จากก

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    268 โครงสรางขอ

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    270 การปลูกพืช

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    272 ระดับพึงพอ

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    274 ของแกสโซฮอ

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    276 1) สภาพทั่วไ

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    278 อนุปริญญา แ

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    280 อาชีวศึกษา

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    282 กระทบตอคุณ

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    284 ตั้งกลไกแข

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    286 นุชจรินทร เ

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    288 โดยรวมผูบร

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    290 แนนกระแสไฟ

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    292 NC-222 ผลงานตีพ

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    294 NC-227 เตาเผาไห

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    296 จําเพาะรวม

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    298 NC-238 จลนพลศาส

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    300 ทนงเกียรติ

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    302 ดีเซลนั้นม

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    304 NC-254 การใชเทค

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    306 อาคารศูนยก

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    308 กระบวนการร

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    310 บรรยากาศขอ

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    312 metal ions on 2-AP biosyntheis

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    314 total clones while the ethanol

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    316 การประชุมท

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    318 BioThailand (The 16 th Annual M

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    320 สูงที่สุดพ

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    322 นัยสําคัญท

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    324 ความเขมขนร

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    326 ปลูกแบบพรา

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    328 นี้ทําใหทร

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    330 ดุลชาติ มาน

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    332 ไมโครเมตร ส

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    334 In this study, we collected seq

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    336 กนกรัตน นาค

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    338 การพัฒนาสื

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    340 one of the causes of difficulty

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    342 ทวีรัตน วิจ

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    344 program, Cytoscape. This model

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    346 production demand. Nevertheless

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    348 อุลตราไวโอ

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    350 นี้อยูในชว

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    352 เพื่อนําสว

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    354 trichloroacetic acid (TCA) ม

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    356 ทรัพยากรที

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    358 ในประเทศสห

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    360 8-9 ธันวาคม 2548,

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    362 ซึ่งเกิดขอ

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    364 NC-391 การวิเคร

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    366 การประชุมว

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    368 2547) พบวามหาว

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    370 กนกพร ลีลาเ

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    Authors Index

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    376 จงจิตร หิรั

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    378 ธ ธนธร ทองส

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    380 พยุงศักดิ์

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    382 วรรณพ วิเศษ

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    384 สุดารัตน จิ

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    386 อุลาวัณย กุ

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    388 138, 141, 142 Jarunya Narangaja

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    390 Panida Kongsawadworakul 191 Pan

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    392 Sorakrich Maneewan 124, 136 Sor

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    394 KMUTT Annual Research Abstracts

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