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A New Current-Controlled-Power Technique for Small Signal Applications

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Circuits and Systems 2012年第2期3卷 161-165页

作者： adisak monpapassorn Department of Electronic Engineering South-East Asia University Bangkok Thailand

In this paper, a new current-controlled-power technique for small signal applications is presented. The proposed technique needs no passive devices (a resistor and a capacitor) but the well-known SCR technique needs, thus the proposed technique is very suitable for an IC process. An example application as a new current-controlled-power CMOS fullwave rectifier is also given. The example application is simulated by using the SPICE program. Simulation results show that the proposed technique can work well;the controlled-current from 0 μA to 5.5 μA produces the peak area amplitude from 100 mV to 0 mV to the load.

关键词： Current-Controlled-Power Full-Wave Rectifier Analog Signal Processing

Monte Carlo Simulation of the Structure of Mono-and Bidisperse Polyethylene Nanocomposites

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Chinese Journal of Polymer Science 2015年第2期33卷 275-283页

作者： adisak Takhulee Rahmi Ozisik Visit Vao-soongnern Laboratory of Computational and Applied Polymer Science School of Chemistry Institute of Science Suranaree University of Technology Department of Materials Science and Engineering Rensselaer Polytechnic Institute

The structure of bidisperse polyethylene（PE） nanocomposite mixtures of 50：50（by mole） of long and short chains of C160H322/C80H162 and C160H322/C40H82 filled with spherical nanoparticles were investigated by a coarse-grained, on lattice Monte Carlo method using rotational isomeric state theory for short-range and Lennard-Jones for long-range energetic interactions. Simulations were performed to evaluate the effect of wall-to-wall distance between fillers（D）, polymer-filler interaction（w） and polydispersity（number of short chains in the mixture） on the behavior of the long PE chains. The results indicate that long chain conformation statistics remain Gaussian regardless of the effects of confinement, interaction strength and polydispersity. The various long PE subchain structures（bridges, dangling ends, trains, and loops） are influenced strongly by confinement whereas monomer-filler interaction and polydispersity did not have any impact. In addition, the average number of subchain segments per filler in bidisperse PE nanocomposites decreased by about 50% compared to the nanocomposite system with monodisperse PE chains. The presence of short PE chains in the polymer matrix leads to a reduction of the repeat unit density of long PE chains at the interface suggesting that the interface is preferentially populated by short chains.

关键词： Monte Carlo simulation Polymer nanocomposites Bidisperse

Secondary Iron Overload and the Liver:A Comprehensive Review

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Journal of Clinical and Translational Hepatology 2023年第4期11卷 932-941页

作者： Kanokwan Pinyopornpanish adisak Tantiworawit Apinya Leerapun Atiwat Soontornpun Satawat Thongsawat Division of Gastroenterology and Hepatology Department of Internal MedicineFaculty of MedicineChiang Mai UniversityChiang MaiThailand Division of Hematology Department of Internal MedicineFaculty of MedicineChiang Mai UniversityChiang MaiThailand Division of Neurology Department of Internal MedicineFaculty of MedicineChiang Mai UniversityChiang MaiThailand

Iron overload is a condition involving excessive iron deposit in various organs,the liver being the main target organ for iron deposition and overload which are associated with significant liver morbidity and *** overload can be categorized into primary and secondary *** iron overload,so-called hereditary hemochromatosis,is a wellrecognized disease with available standard treatment ***,secondary iron overload is a more diverse disease with many unclear areas to be *** iron overload is more prevalent than primary iron overload and occurs as a consequence of various causes which differ significantly across geographic *** main causes of secondary iron overload are iron-loading anemias,and chronic liver *** liver-related outcomes,patient outcomes,and treatment recommendations in these patients differ depending on the cause of iron *** review summarizes the causes,pathophysiology,liver-related outcomes,disease outcomes,and treatments of secondary iron overload.

关键词： Iron overload Hemochromatosis Cirrhosis Hepatocellular carcinoma Thalassemia

The Thai GoodWalk Index and the Thai Walkability Index:their application to urban regeneration exemplified by a historic riverside neighbourhood in Bangkok,Thailand

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Built Heritage 2024年第2期8卷 89-102页

作者： Niramon Serisakul adisak Guntamueanglee Thanaporn Ovatvoravarunyou Munchuchada Dechakaneewong Preechaya Navaraj Department of Urban and Regional Planning Faculty of ArchitectureChulalongkorn University254 Phaya Thai RdWang MaiPathum WanBangkok10330Thailand Urban Design and Development Center Center of Excellence in Urban Strategies(CE.US.)Chulalongkorn University388 Amigo Tower9th FloorSi Praya Rd.Maha PhruttharamBang RakBangkok10500Thailand

The urban heritage regeneration strategy through walkability is widely ***,in the context of a developing country,the tools to measure walkability,which are crucial for urban planning and development,still need to be *** article investigates ways to revitalise a run-down historic riverside area in *** develops two indices,the Thai GoodWalk Index(TGWI)and the Thai Walkability Index(TWI).A hybrid of both indices is based on geospatial techniques and technology to optimise problem analysis processes,create problem-solving options,enhance spatial site selection decision capabilities,and assist urban planners in carrying out spatial scenario planning *** demonstrates how the GoodWalk Index has been employed to plan and prioritise urban development *** is exemplified by the Master Plan for the Regeneration of Kadeejeen-Klongsan,a historic riverside neighbourhood in Bangkok with limitations in density,functional mix of spaces,and access networks,especially in riverfront *** TGWI and TWI can be applied to the regeneration of other historic districts throughout Thailand.

关键词： Thai GoodWalk Index Thai Walkability Index Measuring walkability Spatial scenario planning processes Historic riverside neighbourhood Bangkok

Chromosomal Location of a Recessive Red-Eye Mutant Gene in the Brown Planthopper <i>Nilaparvata lugens</i>(Stål) (Insecta: Hemiptera)

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Advances in Entomology 2017年第1期5卷 33-39页

作者： Jirapong Jairin Phikul Leelagud adisak Pongmee Kanuengnij Srivilai Ubon Ratchathani Rice Research Center Ubon Ratchathani Thailand Roi Et Agricultural Research and Development Center Roi Et Thailand Sakon Nakhon Rice Research Center Sakon Nakhon Thailand

The color of compound eyes is an important biological characteristic of insects. A red eye color mutation is commonly found in the brown planthopper (BPH), Nilaparvata lugens (Stål) (Hemiptera: Delphacidae), a serious insect pest of rice in tropical and temperate Asia. The genetic inheritance and physiological effect of the eye color mutation in the BPH have been studied, but the location of a red gene controlling the red eye mutant phenotype on a chromosome has not been elucidated. In this study, simple sequence repeats (SSRs), together with bulked segregant analysis (BSA), was performed to identify and map the location of the red gene. A total of 387 SSR markers distributed throughout the BPH autosome were used to survey two bulked DNA samples. Samples were generated from 29 brown-eyed and 29 red-eyed individuals derived from an F2 generation of a cross between brown-eyed wild type and red-eyed mutant colonies. The SSR marker BM20 was shown to be associated with the red eye mutant phenotype. Ninety-five offspring of the F2 generation were then used to map the gene. The present study constitutes the discovery of the location of the red gene, which may lead to the acquisition of the genetic determinant of the compound eye color mutation in BPH.

关键词： Brown Planthopper Bulked Segregant Analysis Linkage Map Red-Eyed Mutant Simple Sequence Repeat

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种植期对番薯生长与产量的影响

世界热带农业信息 1989年第3期 41-43页

作者： adisak Sajjapongse 杨振堂林燕明

在高温的8月种植番薯,每植株的贮藏根数减少,地上部分重量增加,块根产量低。11月种植时温度较低,不影响块根的形成,但块根小。植后60天的积温与产量有二次关系。回归分析表明在1981—82年度,当植后60天的日平均温度为22.4℃时,产量最高(... 详细信息

在高温的8月种植番薯,每植株的贮藏根数减少,地上部分重量增加,块根产量低。11月种植时温度较低,不影响块根的形成,但块根小。植后60天的积温与产量有二次关系。回归分析表明在1981—82年度,当植后60天的日平均温度为22.4℃时,产量最高(15.3吨/公顷)。而在1983—84年度日平均温度为23.1℃时产量最高(17.7吨/公顷)。

关键词：块根产量地上部分番薯贮藏根日平均温度植期种植生长试验积温

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中国西南地区经济植物篱的研究

中国西南地区经济植物篱的研究