Research Publications

Academic theses and dissertations are regularly published and widely disseminated in YUOE Journal, Monographs, Universities Research Journal (URJ), Myanmar Academy of Arts and Science (MAAS) Journal, AsTEN Research Journal and International online Journals for sharing knowledge and contributing to the development of our education.

Myanmar Academy of Art & Science List of Research

No. Researcher Title Abstract Year
61 Ko Win STUD ON THE IELD OF ALCOHOL IN THE PRODUCTION OF WINE FROM DIFFERENT INDIGENOUS FRUITS The vast majority of all wine found almost anywhere is fermented grape juice, but wine can technically be made from other fruits. In this research work, grape, pineapple, strawberry, and plum were selected for winemaking. They were purchased from Thirimingalar market. Fermentation was carried out at room temperature by using yeast (Saccharomyces Cerevisiae). Yield of alcohol was studied by varying the process condition such as sugar content, dosage of yeast and amount of water. Alcohol content, pH, acidity, sugar content, specific gravity and color of prepared wines were determined. The data obtained from the study suggested that the addition of 250g of sugar, 1.5g of yeast, and 900mL of water to 500g of grape is most suitable to obtain the highest yield of alcohol in the production of wine. 2018
62 Ohnmar Kyi SMALL SCALE PRODUCTION OF INC SULPHATE AND ITS APPLICATION Zinc sulphate is a water soluble inorganic compound. It can be prepared by treating virtually any zinc containing material (metal, minerals, oxides) with sulfuric acid followed by evaporation and crystallization. Zinc and its alloys have been used as a protective and decorative coatings over a variety of metal substrates. In this research, commercial grade zinc oxide was used as raw material for the preparation of zinc sulphate. Moreover, a make-shift stainless steel reactor was constructed for the production of zinc sulphate. Prepared zinc sulphate was used in zinc electroplating process. The purity of zinc oxide was found to be 98.58(% w/w) by volumetric analysis method and 99.953 (%w/w) by EDXRF method. The maximum yield of zinc sulphate 79.50 (%w/w) was obtained by treating 10 g of zinc oxide with 75 mL of 3 M sulphuric acid. Prepared Zinc sulphate was identified by X-ray Diffraction (XRD) and the purity and composition was determined using Energy Dispersive X-ray Flourescence (EDXRF). 2 kg of zinc sulphate per batch was produced from 488 g of zinc oxide by using a make-shift stainless steel stirred tank reactor. Iron sheet was electroplated in the zinc sulphate solution using different parameters by varying the voltage, current and electroplating time. The acceptable bright colour and suitable thickness was obtained at 6V, 5A, 15 min electroplating time. The corrosion rate of selected zinc coated layer in artificially simulated environments (tap water, 3.5 % NaCl solution and dilute acid solution) and standard salt spray test (ASTM B 117) was also studied. The selected zinc coated layer give 72 hr protection for salt spray test. The surface morphology of the zinc coating before and after corrosion were studied by Scanning Electron Microscopy (SEM) 2018
63 Zayar Pyae Phyo Aung GROWTH AND CHARACTERIATION OF ELECTROSPUN SnO2NANOFIBERS B ELECTROSPINNING TECHNIQUE Tetragonal tin oxide (SnO2) nanoparticles of the range 80 nm have been successfully synthesized by a direct precipitation from an aqueous solution in the presence of stannous chloride dehydrate (SnCl2.2H2O) and ammonium hydroxide. The final products was ground into a fine powder and then annealed at 650C for 6 h. Characterization of the materials was carried out using technique such as scanning electron microscope and the optical studies were carried by UV-Vis absorption. SnO2 nanofibers were fabricated by home-made electrospinning with vertical experimental set up. The electrospinning solution was prepared by homogeneous viscous solution of tin acetate in polyvinyl alcohol (PVA). The electrospinning were under taken by applying a DC voltage of 20 kV to the tip of a syringe and maintaining the tip to collector distance (TCD) of 5 cm, 7 cm, 10 cm and 12 cm. The spinning or running time interval was set to 4 h. The green nanofibers were calcined at 600C for 1 h. The XRD analysis revealed that nanofibers were phase pure and all materials exhibited a tetragonal rutile structure of SnO2. The nanofibers treated at 600C was examined by field emission scanning electron microscope (FESEM).The functionalize sample surface at a nanometer range of SnO2nanofibers were examined by Atomic Force Microscopy (AFM). The SEM and AFM shows cylindrical fibers with diameter in the range of 47 – 100 nm. In general, average diameter of the fibers decreased with decrease in TCD 2018
64 Naw Htoo Lar Phaw INVESTIGATION ON ENVIRONMENTAL BENEFITS OF LOCAL RESOURCES FROM LOIKAW KAAH STATE This research is preliminary proposing level to investigate how the addition of fly-ash affects the compressive strength of traditional bricks and the radon concentration of local resources. For this work dolomite, fly-ash and cement were used as raw materials to make brick samples. Before making bricks, they were analyzed by EDXRF and XRD techniques. Ten brick samples were prepared by dolomite and cement only without fly-ash as the ratio of 18:1(They have been currently used in Kayah State) and 6:1 in five of each. Other eight brick samples were prepared with different weight ratios of dolomite, fly-ash and cement. The compressive strengths of obtained bricks were determined by using Compressive Testing Machine (RBU-250). . From results the sample made by the mixture of dolomite, flyash and cement with the weight ratio of 2:1:1 shows the best compressive strength of 1325.59 PSI, which is significantly higher than that of traditional brick samples made by the mixture of dolomite and cement with the weight ratio of 18:1 (424.80 PSI). So that fly-ash (regional source) is an appropriate addition to make bricks with higher compressive strength. To study the radon concentration measurements in dolomite, fly-ash were examined by using LR 115 type II SSNTDs which were used as track recording materials. 2018
65 Hla Toe TEMPERATURE DEPENDENT CHARACTERIATION OF AL DOPED TiO2 PARTICLES Alx, TiO2 (1-x)(Al 5, 10 and 15 wt %) doped Titanium dioxide thin films prepared by thermal diffusion technique. The Aluminium and Titanium dioxide mixed samples are annealed in temperature controller furnace at different temperature scale for each sample are 400C, 500C, 600C, 700C and 800C for two hours. The samples are characterized by X-ray diffraction technique (XRD). The band gap energy of all doped sample are studied by Ultra-Violet visible absorption spectroscopy (UV-Vis). The surface morphology and grain size of samples are measured by Scanning Electron Microscopy (SEM). X-ray diffraction result reveal the tetragonal structure of samples with secondary phase formation changed depend on increasing temperatures. The Ultra-violet visible absorption spectroscopy studies Aluminium doped Titanium dioxide show the band gap differs from Titanium dioxide anatase form. The Aluminium doped Titanium dioxide samples are deposited on glass and p-type Si (100) substrates by screen printing method. The Aluminium doped Titanium dioxide deposited on glass thin films are heating temperature 200C for 30 minutes. The Aluminium doped Titanium dioxide deposited on p-type Si substrate thin films are heating temperature 300C to 800C for one hour.The electrical properties of Aluminium doped Titanium dioxide deposited on glass and Si substrate thin films are measured by standard electrical devices. 2018
66 Cho Cho San COMPARISON OF THE FORM FACTORS OF TIN ISOTOPES The purpose of this research is to obtain the form factors of 116Sn, 118Sn and 124Sn nuclei using two parameter Fermi model (2PF) . The structural parameters, namely radius parameter (c) and the skin thickness parameter (z) of 116Sn, 118Sn and 124Sn taken from the experimental data are used to get the charge density distribution. After getting the charge density distribution, the root mean square radius and the form factors are calculated. 2018
67 Mi Mu Mu Khaing THE INFLUENCE OF DIFFERENT REDUCING AGENTS ON THE POLOL SNTHESIS OF COPPER NANOPARTICLES This paper focused on the preparation of copper (Cu) nanoparticles from copper nitrate as metal precursor by Polyol reduction. Ethylene glycol, Glycerol and Glycerine were used as a reducing agent and stabilizer. The copper particles formed were identified by EDXRF, XRD and SEM. The effect of solvent showed that small spherical copper nanoparticles and the good dispersion of nanoparticles are found by using solvent either glycerol or glycerine. EDXRF spectrum also informed that there was no other metal impurity in the formation of Cu NPs. From XRD pattern, the average crystallize size of Cu NPs was found to be 38 nm as each particle observed from SEM is not a single crystallite of Cu but the agglomerates of many single crystallites. The aggregation of nanoparticles caused the inhomogeneous size distribution. 2018
68 Aye Aye Min L SINGLE-PARTICLE ENERG LEVELS IN C13 L C 14 L AND C 15 L In this research work, the single-particle energy levels of Lhypernuclear carbon isotopes, namely C 13 , C 14 and C 15 L was investigated. The folding L-nucleus potential based on effective L-nucleon interaction which is constructed by Akaishi is used. The calculated binding energies of C13 and C 14 by applying folding L-nucleus potential are two times larger than the experimental results. In the folding process, only Hartree potential called direct term is considered but Fock term which can give the repulsive effect is neglected. The correction term ( rVD of spin and charge dependence of the effective L-N interaction is not taken into account. In addition, we assume that the proton density distribution and neutron density distribution are the same. Moreover, the L single-particle energy levels of these hypernuclei have also been calculated by using Woods-Saxon potential including spin-orbit interaction. In this calculation, L single particle energy levels of s-state and p-state are -11.57 MeV, -1.32 MeV for C13 , -12.10 MeV, -1.81 MeV for C 14 respectively. The L single-particle energy levels of s-state for C 13 and C 14 are in good agreement with the experimental and theoretical results. The L single-particle energy levels of 2018
69 Aung Zaw Oo SERVER BASED REAL-TIME ENVIRONMENTAL PARAMETERS LOGGING AND MONITORING SSTEM This research work presents the real-time environmental parameters monitoring system using Wi-Fi network in order to create a remote environmental monitoring solution. DHT22 sensor and BMP085 pressure sensor are used to measure the environmental parameters such as temperature, relative humidity, atmospheric pressure, dew point and heat index. ENC28J60 Ethernet module is used to read the sensor data from Arduino and sendsthe measured data to database server. Measured data are logged in a database file using WAMP web server which enables immediate access to sensor readings through Wi-Fi network. Router is used to assign IP address of server and Ethernet module. Users can view the real-time environmental data on web pages. The measured values are also recorded in a database filefor historical review and data analysis. The recorded data are displayed in line graph by using Java script chart. To monitor the recorded data remotely, router connects the multiple wireless devices via the Wi-Fi network. 2018
70 Hla Hla Win RESONANCE STATES OF ?-n SSTEM B APPLING COMPLEX SCALING METHOD The purpose of this research is to study the resonance energy of He (?, n) system by solving the two body Schrdinger equation with complex scaling method. The Gaussian basis wave function is used to solve the two body Schrdinger equation for (J? = 3/2- ) state and (J? = 1/2- ) state in spin-orbit coupling. The calculated resonance energies and level widths for (J? = 3/2- ) state and (J? = 1/2- ) state are (0.747, 0.596) MeV and (2.147, 5.533) MeV respectively. Comparison is made with the experimental data and good agreement is found 2018