Now showing items 801-820 of 3484

    • Study of parameters have effected to the heat pipe with mesh wick 

      Sangiamsuk, Satitpong; สถิตพงศ์ เสงี่ยมศักดิ์; Boothaisong, Supattra; สุพัตรา บุไธสง; Rittidech, Sampan; สัมพันธ์ ฤทธิเดช (2020-09-07)
      This research aims to study the parameters have affected the pipe which was studied the heat transfer characteristics of a heat pipe with a mesh wick. The heat pipe made from copper tubes with intemal (ID) as 10 and 12 mm ...
    • A comparative power transmission between air core trans-former and lron core transformer of class-e power amplifier 

      Mansattha, Muhammad; มุหัมมัด มั่นศรัทธา; Ruangkarn, Rachata; รชต เรืองกาญจน์ (2020-09-07)
      This paper presents the simulation and experimental result of class-E power amplifier. It is often used in designing a high frequency ac power source because its ability to perform the conversion efficiently even at high ...
    • A study of shrinkage percentage acrylonitrile butadiene styrene based on the ASTM D955 standard test method 

      Kankaew, Prasong; ประสงค์ ก้านแก้ว (2020-09-07)
      The shrinkage of plastic was caused by the shape of the product and the type of plastic used in the injection. The plastic shrinkage difference was resulted from the temperature used in melting, the injection speed, mold ...
    • Determination of protein mineral and vitamin in local rice varieties from loei province 

      Wongpriaw, Napatsorn; นภัสสร วงเปรียว (2020-09-07)
      The aim of this research was to study protein mineral and vitamin contents in 20 local rice varieties by collecting 36 samples from loei province. Determination of nutritional value of 36 samples showed that it consisted ...
    • Optimal PID controller design for bldc motor speed control system with input tracking and load regulating constrained optimization by cuckoo search 

      Kumpanya, Danupon; ดนุพล คำปัญญา (2020-09-07)
      Metaheuristic optimization approach has become the new framework for control synthesis. The main purposed of the control design are input (command) tracking and load (disturbance) regulating. This research proposes an ...
    • Partial substitution of young tamarind by karonda in nam prik makham product 

      Manarote, Apinya; อภิญญา มานะโรจน์; Tubbiyam, Prassanee; ปรัศนีย์ ทับใบแย้ม; Khuaikhoen, Wassana; วาสนา ขวยเขิน; Phurahong, Bunyanut; บุญยนุช ภู่ระหงษ์ (2020-09-07)
      This study was to investigate: the basic recipe of tamarind chili paste, the suitable proportion of karonda fruit that used instead of young tamarind in the product of tamarind chili paste, the quality and the chemical ...
    • Biosorption of phosphate using modified cassava waste 

      Sombatsri, Sudarat; สุดารัตน์ สมบัติศรี; Suchaichit, Nattawut; ณัฐวุฒิ สุไชยชิต; Phawa, Chaiyasit; ชัยสิทธิ์ ภะวะ (2020-09-07)
      The biosorption of phosphate using modified cassava waste were studied. Cassava pulp was modified in methylamine for the adsorption of phosphate ion in aqueous solution. XRD, SEM and FTIR result confirmed the surface ...
    • Diversity of soil microorganisms in mulberry root rot disease fields and detection of the disease pathogen by specific primer 

      Sutthisa, Waraporn; วราภรณ์ สุทธิสา; Sawatphanit, Nattina; ณัฐินา สวัสดิ์พาณิชย์; Noojit, Sunisa; สุนิสา หนูจิต; Phiwkhao, Sumalee; สุมาลี ผิวขาว (2020-09-07)
      The diversity of soil microorganisms in mulberry root rot disease infesting fields was investigated from The Queen Sirikit Sericulture Center at Kanchanaburi, Khon Kaen, Sisaket and Ubon Ratchathani provinces. Isolation ...
    • Method development of gamma-oryzanol analysis in rice bran with environmental friendly solvent 

      Hongkrengkai, Rattapon; รัฐพล หงส์เกรียงไกร; Chaiyo, Atsadawut; อัษฎาวุธ ไชยโย; Khawkoom, Uemporn; เอื้อมพร ขาวคุ้ม; Kumtabtim, Usarat; อุษารัตน์ คำทับทิม (2020-09-07)
      This research project aim to develop method for analysis of gamma-oryzanol in rice bran with environmental friendly solvent. The total content of gamma-oryzanol in rice bran was investigated using the combination between ...
    • The study of suitable drying time and physical characteristic of pork slices dried using microwave followed by hot air 

      Panyayuen, Aek; เอก ปัญญายืน; Lek-ong, Jeerapong; จีระพงษ์ เล็กอ่อง; Kunsuwan, Kanya; กัญญา กุลสุวรรณ; Sa-adchom, Poomjai; ภูมิใจ สอาดโฉม (2020-09-07)
      The objectives of this research were to determine the suitable times of pork slices drying using microwave followed by hot air and to find specific energy consumption during drying. The physical characteristic (color and ...
    • Bio-composite films based on cassava starch reinforced with durian rind cellulose fibers 

      Kunthadong, Pimpanitpa; พิมภนิจภา กันทาดง; Peekoh, Mintra; มินตรา พีเกาะ; Sindanjark, Ontheera; อรธีรา สินด่านจาก (2020-09-07)
      This research aimed to develop compound of prototypes polymer bio-composites from cassava starch (CS) reinforced with agriculture residue, the rind of durian fruit. Cellulose extracted from durian rind using hot sodium ...
    • The study of biogas production from anaerobic co-digestion chicken manure and hydrilla (hydrilla verticillata (L.f.) Royle) 

      Podkumnerd, Noppadon; นพดล โพชกำเหนิด; Prasongchan, Nicha; ณิชา ประสงค์จันทร์; Bunchai, Anyanee; อัญณี บุญชัย (2020-09-07)
      This work presented the production of biogas using anaerobic co-digestion between hydrilla verticillata (HV) from Songkhla Lake Basin and chicken manure (CM). From the study of compositions of both wastes, it was found ...
    • Compressive strength and water absorption properties of concrete block containing crushed oyster shell not process burning 

      Klathae, Tawich; ทวิช กล้าแท้; Jitpat, Prasan; ประสาร จิตร์เพ็ชร (2020-09-06)
      The research aims to investigate the possibilities of crushed oyster shell (OS) not have to go through the process of burning as a substitution cement for concrete blocks. The cement was replaced with crushed oyster shell ...
    • Encapsulation of immobilized yeast cells on pretreated- bagasses and application use for ethanol production 

      Maduang,Tawan; ตะวัน มาดวง; Chunhachart, Orawan; อรวรรณ ชุณหชาติ; Pawongrat, Ratchapol; รัชพล พะวงศ์รัตน์ (2020-09-06)
      Most of ethanol production processes are limited by low ethanol production rate and recyclable problem of ethanologenic organisms. In the present study, Saccharomyces cerevisiae TISTR 5339 entrapped in an aqueous mixture ...
    • Technical aspects of oil extraction and biodiesel production from wild almond seeds 

      Chanathaworn, Jutaporn; จุฑาภรณ์ ชนะถาวร; Somsao, Paweena; ปวีณา สมเสาร์; Mainkaew, Artidtaya; อาทิตยา มาอิ่นแก้ว; Pattiya, Adisak; อดิศักดิ์ ปัตติยะ (2020-09-06)
      This paper presents the experimental results of the oil extraction process from wild almond seeds by mechanical and chemical methods. The optimum conditions for the biodiesel production from the extracted oil via ...
    • Effect of coffee silverskin and spent coffee ground on properties of biomass pellet fuel 

      Chanathaworn, Jutaporn; Phumivanichakit, Kanokwan; จุฑาภรณ์ ชนะถาวร; กนกวรรณ ภูมิวณิชกิจ (2020-09-06)
      The objective is to produce the biomass pellet fuel from coffee silverskin and spent of coffee grounds. To study the percentage of cassava powder as binder was mixed at 5, 10, 15 and 20% by weight and the best condition ...
    • Nutritional, physical and sensory quality of butter cake substituted with durian rind powder for wheat flour replacement 

      Bhoosem, Chakkrawut; จักราวุธ ภู่เสม; Bunyasawat, Jetniphat; เจตนิพันธ์ บุณยสวัสดิ์ (2020-09-06)
      Durian has been very popular not only local people but also tourists. As a result, there are many durian peels wasted so this research is explored the utilization of durian peels. Durian rind is a biological waste but ...
    • Production and characterization of carboxymethyl cellulose from orange rind 

      Pormsila, Worapan; Kongsantear, Dechawat; Prasongsuk, Poolai (2020-09-06)
      It is known that orange rind is often discarded as garbage. This research examines the production of carboxymethyl cellulose (CMC) from orange rind. Cellulose was extracted from orange rind (2.0 g) through alkalization. ...
    • Fe2o3 on zeolite nay synthesized from rice husk as catalyst for oxidation of styrene 

      Rintramee, Kamolwan; Sujarit, Laoongdown; Kornsanthia, Suwanan (2020-09-06)
      In this research, zeolite NaY is successfully synthesized from rice husk silica as agricultural waste material. Iron catalysts on zeolite NaY from wet impregnation, Fe/NaY with Fe loading 0.5-10.0 wt% are characterized and ...
    • A simple solid-solid reaction for the synthesis of lead sulfide-montmorillonite hybrid 

      Baoulan, Areeporn; Intachai, Sonchai (2020-09-06)
      The hybrid materials of lead sulfide with montmorillonite were synthesized by a solid-solid reaction between lead-exchanged montmorillonite and sodium sulfide at ambient condition. The hybrids were characterized by powder ...