Academic Conference on Natural Science for Master and Ph. D students From Cambodia Laos Vietnam



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The 1st Academic Conference on Natural Science for Master and Ph.D Students From Cambodia – Laos – Vietnam

23-27 March 2010. Vientiane, Lao PDR

CONTENTS



coNtents 1

CONTENTS 1

PROGRAM 3

Groundwater Mapping with Electrical Resistivity Sounding Method in Champhon District, Savannakhet Province, Lao PDR 19

Xayavong V., Keophilavong S., Sounsuandao T., and Volachack N. 19

Production of Oleoresin from Aquilaria Species by Fungal Infection 30

Somphavanh Radavanh 30

CHARACTERIZATION OF ELECTROCHROMIC PROPERTIES OF NANOPOROUS TIO2 FILMS MADE BY DOCTOR-BLADE METHOD 36

Nguyen Nang Dinh, Nguyen Minh Quyen, Tran Thi Thao, Do Ngoc Chung 36

STRONG PHOTOLUMINESCENCE OF THE N-TYPE DOPED AMORPHOUS SiC MATERIAL AFTER ANODIC ETCHING IN LOW HF-CONCENTRATION SOLUTION 41

Dao Tran Cao1, Cao Tuan Anh2, Luong Truc Quynh Ngan1, Pham Thi Lien2 and Pham Thi Mai Hoa3 41

Determination of some optical parameters characterizing homogenised fresh milk with double integrating sphere technique 46

Nguyen Tuan Anh1, Dang Xuan Cua1, Phung Quoc Bao2, Bach Gia Duong3, Vu Anh Phi2 46

The thermoluminescence characteristics of LiF(Mg,Cu,P) after exposing the alpha radiation 51

Nguyen Quang Mien1 and Trinh Nang Chung1 51

development of a diode-pumped passively mode-locked Nd:YVO4 laser operated at pulse repetition rate lower than 10 Mhz 59

Do Quoc Khanh, Nguyen Dinh Hoang, Nguyen Trong Nghia, Phung Viet Tiep, Nguyen Van Hao, Dao Duy Thang, Trinh Dinh Huy, Pham Hong Minh 59

FABRICATION OF POROUS LAYER ON THE NONDOPED AMORPHOUS SIC THIN FILM BY ANODIC ETCHING METHOD IN THE HF/H2O/H2O2 SOLUTION 63

Luong Truc Quynh Ngan1, Cao Tuan Anh2, Nguyen Thi Thu Ha1, Pham Thi Lien2, Pham Thi Mai Hoa1,3 and Dao Tran Cao1 63

Study on influences on the technical process and characteristics of infrared emission compositions 68

Tran Minh Cong, Le Trong Thiep, Pham Quang Dinh, Bach Nhat Hong 68

PROBLEM OF SUSTAINABLE ENERGY AND THE TECHNOLOGICAL SOLUTIONS OF SOLAR POWER SATELLITE SYSTEM FOR SOLAR ENERGY RECEIVING, CONVERTING, AND TRANSMITTING IN FORM OF THE HIGH POWER MICROWAVE AND/OR LASER BEAM FROM THE SPACE ORBIT TO THE EARTH’S SURFACE 73

Dao Khac An 73

Improve accuracy of transmission in aircraft guns 86

Le Duc Hanh, Bui Ngoc Hoi, Nguyen Lac Hong 86




PROGRAM



Tuesday – March 23, 2010

10:00 Arriving at Vientiane. Check in.

17:00 Registration at NUOL

18:30 WELCOME PARTY (offered by NUOL)

Wednesday – March 24, 2010
07: 30 - 08: 30 Registration

08: 30 - 09: 50 Official Opening (Dr. Nguyen Thanh Binh -VAST, Vietnam)

  • Opening Speech by Prof. Acad. Nguyen Van Hieu

(Former President, Vietnam Academy of Science and Technology, Honour President of the Vietnam Physical Society).

  • Welcome Speech by Prof. Dr. Somsy Gnophanxay, Vice President of NUOL, Laos PDR

  • Welcome Speech by Prof. Dr. Huynh Thanh Dat Vice President of VNU, HCM, Vietnam

  • Brief Introduction of National University of Laos by Prof. Dr. Phosy Chanhming

  • Brief Introduction of Royal University of of Phnom Penh, Cambodia by Dr. Ing Heng

  • Brief Introduction of National University of Ho Chi Minh City by Prof. Dr. Tran Thi Hong

  • Brief Introduction of National University of Hanoi by Prof. Dr. Nguyen Thi Thuc Hien

  • Conference Photograph.



09:50 – 10:00 COFFEE BREAK

REPORT SESSION

Chairperson: Vu Xuan Quang - VAST, Vietnam

Somsathith Keophilavong - NUOL, Laos PDR


O-01

10:00 - 10:30

NANOSTRUCTURED POROUS TiO2 FILMS: ELECTROCHROMIC PROPERTIES AND POTENTIAL APPLICATION IN ENERGY-EFFICIENT WINDOWS

Invited talk

Nguyen Nang Dinh, Nguyen Minh Quyen, Tran Thi Thao

University of Engineering and Technology, VNU, Hanoi


O-02

10:30 – 10:50

DISTRIBUTION, NATURAL HISTORY AND CONSERVATION OF THE LAO ENDEMIC NEWT LAOTRITON LAOENSIS

Somphouthone PHIMMACHAK , NOUL, Laos


O-03

10:50 – 11:10


STRONG PHOTOLUMINESCENCE OF THE N-TYPE DOPED AMORPHOUS SIC MATERIAL AFTER ANODIC ETCHING IN LOW HF-CONCENTRATION SOLUTION

Dao Tran Cao, Cao Tuan Anh, Nguyen Dinh Dung, Luong Truc Quynh Ngan, Pham Thi Mai Hoa

Institue of Materials Science, VAST, Vietnam


O-04

11:10 – 11:30


DETERMINATION OF SOME OPTICAL PARAMETERS CHARATERIZING HOMOGENISED FRESH MILK WITH DOUBLE INTERGRATING SPHERE TECHNIQUE

Nguyen Tuan Anh, Dang Xuan Cu, Phung Quoc Bao, Bach Gia Duong, Vu Anh Phi

National Center for Technological Progress, Vietnam

O-05

11:30 – 11:50


PRODUCTION OF OLEORESIN FROM AQUILARIA SPECIES BY FUNGAL INFECTION

Somphavan SRAVANH, NOUL, Laos


11:50 – 13:30


LUNCH

Chairperson: Nguyen Nhu Dat – VAST, Vietnam, Nguyen The Binh, VNU, Vietnam, Vathsana KHAMVONGSA, NUOL, Laos PDR, Viengthong Xayavong - NUOL, Laos PDR



O-06

13:30 – 13:50

THE THERMOLUMINESCENCE CHARACTERISTICS OF IF(Mg,Cu,P) AFTER EXPOSING THE ALPHA RADIATION

Nguyen Quang Mien and Trinh Nang Chung

Ho Chi Minh City University of Technology

O-07

13:50 – 14:10

DEVELOPMENT OF A DIODE-PUMPED PASSIVELY MODE- LOCKED Nd:YVO4 LASER OPERATED AT PULSE REPETITION RATES LOWER THAN 10 MHz

Do Quoc Khanh, Nguyen Dinh Hoang, Nguyen Trong Nghia, Nguyen Van Hao, Dao Duy Thang, Phung Viet Tiep, Trinh Dinh Huy, Pham Long and Nguyen Dai Hung

Institute of Physics, VAST, Vietnam

O-08

14:10 – 14:40

INVESTIGATION OF PHOTONICS FOR FIBEROPTIC COMMUNICATIONS IN VIETNAM

Invited talk

Pham Van Hoi

Institute of Materials Science, VAST, Vietnam

O-09

14:40 – 15:00

FABRICATION OF POROUS LAYER ON THE NONDOPED AMORPHOUS SiC THIN FILM BY ANODIC ETCHING METHOD IN THE HF/H2O/H2O2 SOLUTION

Dao Tran Cao, Luong Truc Quynh Ngan, Cao Tuan Anh, Nguyen Dinh Dung, Pham Phu Thanh Son, Lam Duc Duong, Nguyen Thi Thu Ha, Pham Thi Mai Hoa

Institue of Materials Science, VAST, Vietnam



15:20 – 15:30


COFFEE BREAK


REPORT SESSION

Chairperson: Nguyen Nang Dinh - VNU, Vietnam

CHEY CHAN OEURN, RUPP, Cambodia


O-10

15:00 – 15:20

INSTRUMENTATION OF THERMOLUMINESCENCE RADIATION DOSIMETRY AND THERMOLUMINESCE DATING

Huynh Ky Hanh, Phan Tien Dung

Nhatrang Institute of Technology Research & Application-VAST, Vietnam


O-11

15:30 – 15:50

STUDY ON SOME INFLUENCES ON THE TECHNICAL PROCESS AND CHARACTERISTICS OF INFRARED EMISSION COMPOSITIONS

Tran Minh Cong, Le Trong Thiep, Pham Quang Dinh, Bach Nhat Hong

MilitaryAcademy of Science and Technology, Vietnam


O-12

15:50 – 16:10

OXYGEN DEPLETION AND RESISTANCE SWITCHING IN Cr-DOPED SrTiO3 THIN FILMS

Bach Thang Phan, Kim Ngoc Pham, Hoang Tuan Tong, Van Viet Pham, Van Hieu Le, Tuan Tran1 and Jaichan Lee

University of Science - VNU – HCM, Vietnam.


O-13

16:10 – 16:30

SURFACE MODIFICATION AND FUNCTIONALIZATION OF MULTISHELL CDSE QUANTUM DOTS FOR THE FLUORESCENCE-BASED BIOSENSOR FOR THE DETECTION OF ORGANOPHOSPHATE PESTICIDES

Vu Duc Chinh, Pheng Xiong, Do Van Dung, Nguyen Hai Yen,Nguyen Xuan Nghia, Phan Tien Dung, Nguyen Van Hung, Pham Thu Nga

Institute of Materials Science, VAST, Vietnam





16:30 – 17:30


POSTER I


Chairperson: Nguyen Xuan Nghia - VAST , Vietnam

Somsavath LEUANGTAKOUN, NUOL, Laos PDR

Ing Heng, RUPP


P-01

SOME RESULTS ON USING QUANTUM DOTS FOR BIOLABELING

Chu Viet Ha, Tran Thanh Thuy, La Thi Huyen, Ung Thi Dieu Thuy

Institute of Physics, VAST, Vietnam

P-02

COMPOSITE TiO2–SnO2 FILMS PREPARED BY SOL-GEL WITH HIGH PHOTOCATALYTIC PERFORMANCE IN VISIBLE LIGHT

Huynh Chi Cuong, H. T. Bich Lieu, Duong Ai Phuong, L. Quang. Vinh

University of Science - VNU – HCM, Vietnam

P-03

SYNTHESIS AND OPTICAL PROPERTIES OF CdS / CdSe QUANTUM DOTS EMBEDDED IN TiO2 THIN FILMS FOR PHOTONIC APPLICATIONS

Lam Quang Vinh, Ha Thanh Tung, Huynh Thanh Đat

University of Science - VNU – HCM, Vietnam

P-04

APPLYING AAS METHOD TO DETERMINE LEAD CONCENTRATIONS IN SOME SAMPLE SOILS AND SUGGESTING SOME WAYS TO REDUCE THE POLLUTION OF LEAD IN THE ENVIRONMENT

Nguyen Truc Anh, Nguyen Thi Thu Thuy

In-service University Center of Can Tho city

P-05

ACID BASED SYNTHESIS OF ERBIUM-DOPED COLLOIDAL SiO2 MICROSPHERES

Do Thuy Chi, Pham V. Hoi, Pham Thu Nga, Pham Thai Cuong, Bui Huy

P-06Institue of Materials Science, VAST, Vietnam

P-06

RAPID COMBUSTION SYNTHESIS OF NANOCRYSTALLINE PHOSPHORS MAl2O4: Eu2+, RE3+ (M: Ca, Sr, Ba) AND THEIR SPECTRAL CHARACTERISTICS NANOCRYSTALLINE

Le Thi Thao Vien, Nguyen Thi Minh Phuong, Nguyen Manh Son

College of Sciences, Hue University, Viet nam


P-07

INVESTIGATION OF THE FABRICATION AND OPTICAL PROPERTIES OF CdSe/ZnSe/ZnS AND CdSe/CdS/ZnS MULTISHELL QUANTUM DOTS

Nguyen Ngoc Hai, Vu Thi Hong Hanh, Do Van Dung, Vu Duc Chinh, Pheng Xiong, Nguyen Van Hung, Pham Thu Nga

Institue of Materials Science, VAST, Vietnam.


P-08

SYNTHESIS TiO2 THIN FILM ON GLASS SUBSTRATE BY ELECTROSTATIC SPRAY METHOD

Nguyen Cao Khang, Do Thi Nga, Phan Ngoc Minh and Nguyen V. Minh

Hanoi National University of Education, Hanoi, Vietnam

P-09

FABRICATING, DOMINATING THE SIZE OF TiO2 PARTICLES AND STUDYING THEIR PROPERTIES

Nguyen Cao Khang, Kaisone Sonthikoumman, Phan Ngoc Minh and Nguyen van Minh

Hanoi National University of Education, Hanoi, Vietnam

P-10

THE IMPACT OF NITROGEN AND TEMPERATURE SUBTRATE ON THE OPTICAL AND ELECTRICAL PROPERTIES OF P THIN FILM ZnO:(In,N) BY THE SPUTTERING MAGNETRON DC

Duong Anh Quang, Le Vu Tuan Hung

University of Science - VNU – HCM, Vietnam.


P-11

KINETIC MONTE CARLO SIMULATION OF THIN FILM GROWTH OF PEROVSKITE STRUCTURE IN EARLY STAGE

Luu Thanh Phuc, Nguyen Hong Phong, Le Vu Tuan Hung

University of Science - VNU – HCM, Vietnam

P-12

RESEACHING AND MAKING ALPHA SOURCE U238,U234 ON ALUMINIUM FOIL FOR ALPHA SPECTROSCOPY USING ELECTROPLATE

Pham Thuy Dung, Le Cong Hao, Chau Van Tao

National center for technology progress- Center for Optoelectronics (CFOC), Vietnam

P-13

PREPARATION AND CHARACTERRIZATION OF SrTi1-XFeXO3 NANO-COMPOSITE FILMS BY THE PULSED LASER DEPOSITION

Doan Thi Thuy Phuong, Kaisone Sonthikoumman and Nguyen Van Minh

Hanoi National University of Education,Hanoi, Vietnam


P-14

CRYSTAL STRUCTURE OF VANADIUM PENTOXIDE THIN FILMS ON THE TRANSPARENT ELECTRODES

Le Van Hieu, Nguyen Duc Hao, Pham Van Viet

University of Science - VNU – HCM, Vietnam

P-15

A METHOD TO CALCULATE TRACKING ACCURACY FOR TRAJECTORY MEASURING- TRACKING DOPPLER RADAR SYSTEM OF PROJECTILES

Bui Tuan Anh, Dao Hoa Viet and Tran Duc Trung

Academy of Military Science and Technology, Ha Noi, Viet Nam

P-16

INCREASING THERMAL CONDUCTIVITY OF THERMAL PASTE USING CARBON NANOTUBES

Bui Hung Thang, Phan Ngoc Hong, Pham Van Trinh, Nguyen Van Tu, Nguyen Van Chuc and Phan Ngoc Minh

Institute of Materials Science, VAST, Vietnam

P-17

APPLICATION OF NANO POLYANILINE/MULTI-WALLED CARBON NANOTUBES FOR PROTECTIVE PAINT

Bui Hung Thang, Pham Van Trinh, Duong Ngoc Vinh, Dao Duc Khang and Phan Ngoc Minh

Institute of Materials Science, VAST, Vietnam

P-18

FABRICATION OF Cu MATRIX MATERIAL REINFORCED BY FUNCTIONALIZED CNTs

Pham Van Trinh, Bui Hung Thang, Tran Tien Dat, Duong Ngoc Vinh, Nguyen Van Tu, Phan Ngoc Minh

Institute of Materials Science, VAST, Vietnam

P-19

STUDY AND PREPARATION THE CNTs/PANI COMPOSITE AS ANODE MATERIAL FOR ELECTROCHEMICAL ENERGY SOURCE

Duong Ngoc Vinh, Bui Hung Thang, Pham Van Trinh, Dao Duc Khang, Phan Ngoc Minh

Institute of Materials Science, VAST, Vietnam

P-20

STUDY TO MANUFACTURE THE DEVICE FOR DISCOVERING MAGNETIC FLOW

Nguyen Tuan Hung, Pham Quoc Trieu

National Office of Intellectual Property of Vietnam


P-21

THE HOME MADE METAL DETECTING DEVICE AND APPLICATION

Lưu Tien Manh, Pham Quoc Trieu

National Institute of Labour Protection, Vietnam.


P-22

FABRICATION OF METAL NANOPARTICLES BY LASER ABLATION

Nguyen Thanh Dinh, Nguyen Quang Dong, Trinh Thi Hue, Vu Thi Khanh Thu, Pham Thi Thanh Van, Duong Thi Nguyet, Nguyen The Binh

College of Science, VNU Hanoi, Vietnam.


P-23

HIGH-POWER SECURE MICROWAVE COMMUNICATION DEVICE

Dang Thi Thanh Thuy, and Bach Gia Duong

College of Science VNU Hanoi, Vietnam.

18:30 CONFERENCE PARTY



Thursday – March 25, 2010

REPORT SESSION

Chairperson: Le Vu Tuan Hung - VNUH, Vietnam

Hang Sim, RUPP, Cambodia

O-14

08:30 – 09:00

PROBLEM OF SUSTAINABLE ENERGY AND THE TECHNOLOGICAL SOLUTIONS OF SOLAR POWER SATELLITE SYSTEM FOR SOLAR ENERGY RECEIVING, CONVERTING, AND TRANSMITTING IN FORM OF THE HIGH POWER MICROWAVE AND/OR LASER BEAM FROM THE SPACE ORBIT TO THE EARTH’S SURFACE (REVIEW)

Invited talk

Dao Khac An

Institute of Materials Science, VAST, Vietnam

O-15

09:00 – 09:20

IMPROVE ACCURACY OF TRANSMISSION IN AIRCRAFT GUNS

Le Duc Hanh, Bui Ngoc Hoi, Nguyen Lac Hong

Academy of Military Science and Technology, Hanoi, Vietnam

O-16

09:20 – 09:40

THE USING OF SPECTRAL METHODS TO INVESTIGATE ALUMINA AMORPHOUS THIN FILM AND ITS PHASE TRANSITION

Giang van Phuc, Le Van Hieu, Huynh Thanh Dat

AnGiang University , AnGiang, Vietnam

O-17

09:40 – 10:00

DETERMINING EXCITED SPECTRUM OF SOME HARMFUL ALGAE IN DO SON COAST, HAI PHONG CITY

Nguyen Tuan Anh, Bui Thi Thanh Lan

National Center for Technological Progress, Vietnam

O-18

10: 00 – 10:20


COMBINING FREQUENCY MODULATION AND SINGLE SIDE BAND MODULATION TO DESIGN AN UNDERWATER REMOTE CONTROL SYSTEM.

Chu Xuan Quang, Le Minh Ngoc, Vu Hai Lang, Nguyen T. Thuy

Academy of Military Science and Technology, Hanoi, Vietnam



10: 00 – 10:20

COFFEE BREAK

REPORT SESSION

Chairperson: Pham Quoc Trieu – VNU, Vietnam

Sonexay XAYHEUNGSY, NUOL, Laos PDR

O-19

10:30 – 10:50

THE SELF – ABSORPTION CORRECTIONS FOR MARINE SEDIMENT SAMPLE IN GAMMA – RAY SPECTROMETRY

Tran Thien Thanh, Laurent Ferreux, Marie Christine Lépy, Chau Van Tao

University of Science - VNU – HCM, Vietnam

O-20

10:50 – 11:00

MICROWAVE TREATMENT-A RAPID AND EFFICIENT WAY TO PREPARE GRAPHITE OXIDE BY MODIFIED HUMMERS METHOD

Tran Quang Trung, Huynh Tran My Hoa, Tran Viet Cuong, Le Thi Thanh, Tran Vinh Son, Dang Thanh Cong

University of Science - VNU – HCM, Vietnam

O-21

11:00 – 11:22

LARGE-AREA ULTRATHIN FILMS OF THERMO-REDUCED GRAPHENE OXIDE AS A TRANSPARENT AND ELECTRONIC MATERIAL

Tran Quang Trung,, Le Thi Thanh, Tran Viet Cuong, Nguyen Duy Khanh, Dang Thanh Cong

University of Science - VNU – HCM, Vietnam

O-22

11:20 – 11:40

STUDY AND DESIGN RF SWITCH MEMS

Nguyen Van Toan, Nguyen Tu Tin, Dong Van Cuong, Bui Van Quang, Vu The Dang, Truong Cong Duan and Nguyen Van Hieu

University of Science - VNU – HCM, Vietnam




11:40 – 13:30


LUNCH



REPORT SESSION

Chairperson: Pham Van Hoi - VAST, Vietnam

Nguyen Thi Thu Thuy, Univ. of Cantho, Vietnam

O-23

13:30 – 13:50

DESIGNING, PRODUCING COMPUTER ASSISTED EXPERIMENTS AND PROGRAMMING SUITABLE SOFTWARE TO SUPPORT TEACHING SOME KNOWLEDGE OF MAGNETIC FIELD AND ELECTROMAGNETIC INDUCTION IN THE CURRICULUM OF THE POLYTECHNIC COLLEGE VEIN-CHAN, LAOS

Khamsoulin Chanthavong

Vientiane Polytechnic College,Laos

O-24

13:50 – 14:10

SYNTHESIS, OPTICAL PROPERTIES AND BIOAPPLICATIONS OF ORMOSIL NANOPARTICLES

Vu Thi Thuy Duong, Chu Viet Ha, Tran Thanh Thuy, Nguyen Thi Van, Pham Minh Tanb

Institute of Physics, VAST, Vietnam



O-25

14:10 – 14:30

OPTIMIZATION OF ENDOGLUCANASE PRODUCTION BY ASPERGILLUS NIGER VTCC-F021

Thi Hoa Pham, Dinh Thi Quyen, Ngoc Minh Nghiem,

Institute of Biotechnology, VAST, Vietnam.



O-26

14:30 – 14:50

PARTIAL PURIFICATION AND PROPERTIES OF A XYLANASE FROM ASPERGILLUS ORYZAE DSM1863

Thi Tuyen Do, Dinh Thi Quyen

Institute of Biotechnology, VAST, Vietnam



14:50 – 15:00


COFFEE BREAK




15:00 – 16:00


POSTER II



Chairperson: Tran Thi Tam – VNU, Vietnam

TEANG PANG - RUPP, Cambodia


P-24

A RESEARCH ON UNTI – VIBRATION METHOD FOR WORKER OPERATING JACKHAMMERS

Nguyen Anh Tuan , Trieu Quoc Loc, Nguyen Van Khang

National Institute of Labour Protection.

P-25

PHOTOLUMINESCENCE OF CePO4:Tb3+ NANO PARTICLES SYNTHESIZED FROM (NH4)2HPO4 BY HYDROTHERMAL METHOD

Dinh Xuan Loc, Do Hung Manh, Tran Kim Anh and Le Quoc Minh

Institute of Materials Science, VAST, Vietnam

P-26

IMPLEMENTATION OF THE DIGITAL LOCK-IN AMPLIFIER FOR LOW SIGNAL MEASUREMENT

Nguyen Anh Duc, Pham Quoc Trieu

College of Science VNU Hanoi, Vietnam.


P-27

OPTIMIZING PHASED-ARRAY ANTENNA

Le Quang Thao, Nguyen Van Hai

College of Science VNU Hanoi, Vietnam

P-28

GAMMA-GAMMA COINCIDENCE MEASUREMENT SETUP FOR NEUTRON ACTIVATION ANALYSIS AND NUCLEAR STRUCTURE STUDIES

Nguyen An Son, Pham Dinh Khang, Nguyen Xuan Hai, Vuong Huu Tan, Nguyen Van Kien, Ho Huu Thang, Nguyen Nhi Dien

University of Dalat, Vietnam.


P-29

STUDY OF AN ELECTROCHEMICAL DNA SENSOR FOR DETECTION OF ESCHERICHIA COLI

Nguyen Tien Dai, Kim Thi Phuong Oanh and Nong Van Hai

Institute of Materials Science, VAST, Vietnam



P-30


ON THE SIMULTANEOUS DIFFUSION OF MULTI-SPICES AND SIMULATION OF THE DYNAMIC DIFFUSION PROCESSES OF DOPANTS ATOM AND POINT DEFECT IN NANO SIZED SILICON MATERIAL

Vu Ba Dung, Dao Khac An and Nguyen Ngoc Long

Ha noi Mining and Geology University

P-31

COMPATIBLE INVESTIGATION OF THE COMPLEX DIFFUSION PROBLEM BASED ON FICK THEORY, IRREVERSIBLE THERMODYNAMIC THEORY AND GENERAL FORCE LAW

Vu Ba Dung, Dao Khac An and Nguyen Ngoc Long

Ha noi Mining and Geology University

P-32

DEPENDENCE OF PHOTOELECTRONIC CAPACITY ON CdS LAYER THICKNESS ON TiO2 THIN FILM SUBSTRATES

Dang Tran Chien, Pham Duy Long, Pham Van Hoi, Le Ha Chi

Institute of Materials Science, VAST, Vietnam

P-33

SYNTHESIS OF DIAMOND FILMS ON COPPER SUBSTRATES USING MICROWAVE
PLASMA CHEMICAL VAPOUR DEPOSITION


Tran Tien Dat, Pham Van Trinh, Bui Hung Thang, Dang Tran Chien, Phan Ngoc Minh

Institute of Materials Science, VAST, Vietnam

P-34

THE µM-DISPLACEMENT SENSOR AND APPLICATION

Nguyen Huu Cuong*, Pham Quoc Trieu


P-35

Preparation setup a TCSPC systems for life-time measurement

Dao Duy Thang, Nguyen Dinh Hoang, Phung Viet Tiep, Nguyen Thanh Binh and Dinh Van Trung

Institue of Physic,VAST, Vietnam

P-36

MEASUREMENT OF Bi-Po DECAY IN THORIUM DECAY CHAIN

Doan Thi Hien, Tran Duy Tap, Vo Hong Hai, Masaharu Nomachi, Tran Thien Thanh

University of Science, VNU, HCM,Vietnam


P-37

FABRICATION AND CHARACTERISTIC OF PLANAR OPTICAL AND ACTIVE OPTICAL WAVEGUIDE FOR TELECOMMUNICATION

Tran Thi Cham, Bui Huy, Pham Van Hoi

Institute of Materials Science, VAST, Vietnamese


P-38

Optical interference filter based on porous silicon

Bui Huy, Pham Van Hoi, Nguyen Thuy Van, Pham Duy Long, Do The Anh and Do Thuy Chi

Institute of Materials Science, VAST, Vietnamese


P-39

REPARATION ALPHA SOURCE U234, U238 FOR ALPHA SPECTROSCOPY BY ELECTROPLATING USING ISOPROPYL ALCOHOL

Le Cong Hao, Luu Xuan Tinh, Chau Van Tao, Nguyen Van Đong, Ho Nha Nghi, Pham Thuy Dung, Nguyen Thanh Liem.

University of Science VNU,HCM, Vietnam


P-40

CHARACTERIZATION OF HIGH-POWER DIODE LASER BARS FOR PUMPING SOLID-STATE LASERS

Giang Manh Khoi, Do Xuan Tien

National Center for Technology Progress - NACENTECH, Hanoi, Vietnam

P-41

CHARACTERISTICS OF A DIODE END-PUMPED PASSIVELY Q-SWITCHED SOLID-STATE Cr3+:LiSAF LASER

Nguyen Dinh Hoang, Dao Duy Thang, Nguyen Van Hao

Institute of Physics, VAST,Vietnam


P-42

NANOSECOND ENERGY-TRANFER BINARY DYE LASERS

Phung Viet Tiep, Nguyen Dinh Hoang, Nguyen Trong Nghia, Dao Duy Thang

Center for Quantum Electronics, Institute of Physics, VAST, Hanoi, Vietnam


P-43

MODE-LOCKED Nd:YVO4 LASER – INDUCED TWO PHOTON FLUORESCENCE OF BIOMEDICAL FLUOROPHORES

Trinh Dinh Huy,Nguyen Trong Nghia, Nguyen Thanh Binh, Do Quoc Khanh

Institute of Physics, VAST, Vietnam



P-44

PREPARATION ALPHA SOURCE U234, U238 FOR ALPHA SPECTROSCOPY BY ELECTROPLATING USING ISOPROPYL ALCOHOL

Le Cong Hao, Luu Xuan Tinh, Chau Van Tao, Nguyen Van Đong,

Ho Nha Nghi, Pham Thuy Dung, Nguyen Thanh Liem

University of Science VNU, HCM, Vietnam

P-45

STRUCTURAL STUDY OF CARRRAGEENAN EXTRACTED FROM RED SEAWEED EUCHEUMA DENTICULATUM

Thanh T. Thu Thuy, Tran T. Thanh Van, Phan Minh Phuong, Bui Minh Ly

Institute of Chemistry, VAST, Vietnam

P-46

STUDY ON LUMINESECENCE MATERIALS AT NITRA

Bui The Huy, Ha Xuan Vinh, Tong V. Tuat, Vinh Hao, Ngo Van Tam

Nha Trang Institute of Technology Research and Application, VAST, Vietnam

P-47

RESEARCH AND DEVELOPMENT OF DIODE-PUMPED SOLID-STATE Nd3+: DOPED LASERS

Nguyen Trong Nghia,Do QuocKhanh,Nguyen Dinh Hoang et al.

Institute of Physics, VAST, Vietnam

P-48

DEVELOPMENT OF MUON MEASUREMENT SYSTEM USING PLASTIC SCINTILLATORS

Nguyen Hoang Thoai Vi, Nguyen Qui Dao, Tran thien Thanh and Vo Hong Hai, Tran Thien Thanh

University of Science, VNU,HCM, Vietnam

P-49

SPECTRO-TEMPORAL EVOLUTION AND TRANSIENT RESONATOR IN SOLID-STATE Cr3+: LiSAF LASER EMISSIONS

Nguyen Van Hao*, Nguyen Dinh Hoang, Phung Viet Tiep, Do Quoc Khanh

Institute of Physics, Viet Nam. * Thai Nguyen University of Science



16:00 – 17:00

CLOSING MEETING



18:30 CONFERENCE PARTY

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