Proceedings 6th Russian-Korean International Symposium on Science and Technology. KORUS-2002 (Cat. No.02EX565)
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Analysis of environment ecological parameters by means of tree-rings
- Trang 208-210
Climate is the main factor limiting capability of forest and communities in many
areas of the world. By means of tree-ring analysis it is possible to make a
reconstruction of many important climatic and hydrological characteristics. This
paper describes a method of determination of climatic parameters with the help
of tree-rings analysis.
#Filtration #Polynomials #Filters #Image reconstruction #Temperature #Fluctuations #Lakes #Rivers #Vegetation mapping #Mathematical model
Modeling stress-strain states of spring thin-walled structures with variable stiffness
- Trang 185-188
A method is considered concerning geometrically nonlinear deformation of
thin-walled structures in large displacement. The method is developed for
modeling and analysis of the stress-strain states and enables to avoid a number
of the theoretical contradictions. A principle is posed to solve nonlinear
problems using linear stiffness matrices of finite elements. Features of
modeling and analysis are...
#Springs #Thin wall structures #Iron #Potential energy #Nonlinear equations #Finite element methods #Stress #Automotive engineering #Aircraft propulsion #Control systems
A retrospective cohort study on the risk factors for noninsulin-dependent diabetes mellitus (NIDDM) in Korea
- Trang 502-507
During the last decades, the prevalence of non-insulin-dependent diabetes
mellitus (NIDDM) increased worldwide and the disease has become one of the major
public health problems in Korea. It affects about 7.2% of Korean adults over 30
years of age. Several Korean papers reported that natural history of diabetes in
Korea seems to be quite different from that observed in western countries In
this re...
#Diabetes #Medical diagnostic imaging #History #Diseases #Sugar #Educational institutions #Hazards #Public healthcare #Conducting materials #Hypertension
Thermoanalytical study of energy saturated electroexplosive nanopowders
- Trang 317-319
The storage of excess superequilibrium energy occurs in final products of wire
electrical explosion. This effect can be successfully used in different fields:
in processes of combustion, sintering, and chemical reactions. In the present
work, thermal analysis is suggested as a method for the determination of excess
energy value. According to results of the thermal analysis, the excess energy
for n...
#Nanoparticles #Aluminum #Explosions #Powders #Heating #Wires #Oxidation #Energy storage #Chemicals #Temperature
Design and implementation of the Jungganbo processing system for the Danso
- Trang 126-129
It is natural to use original music sheets to play or to write traditional music
in every country. But unfortunately we use Western music notation sheets to
write Korean traditional music. In this paper, we have designed and implemented
a music score processing system for the Jungganbo which is the Korean
traditional music notation method. We have described the special signs for the
music notation...
#Communications technology #Music #Blanking #Rhythm #Information systems
Possibilities and experimental investigation of parametric frequency converters with LiInSe/sub 2/, AgGaGeS/sub 4/, HgGa/sub 2/S/sub 4/ and Hg/sub 0.65/Cd/sub 0.35/Ga/sub 2/S/sub 4/ crystals
- Trang 303-306
Second harmonic generation of 9 /spl mu/m emission band of CO/sub 2/ laser is
for the first time realized with a number of new nonlinear crystals: biaxial
LiInSe/sub 2/, AgGaGeS/sub 4/ (that is solid solution AgGaS/sub 2/:GeS/sub 2/ or
Ag/sub x/Ga/sub x/Ge/sub (1-x)/S/sub 2/, or AgGaGe/sub x/S/sub 2(1+x)/ at x=0.5)
and uniaxial HgGa/sub 2/S/sub 4/, Cd/sub 0.35/Hg/sub 0.65/Ga/sub 2/S/sub 4/
(solid ...
#Frequency conversion #Crystals #Optical harmonic generation #Optical frequency conversion #Nonlinear optics #Optical pumping #Physics #Solids #Lattices #Optical mixing
Persistent elevation of C-reactive protein and ischemic heart disease in continuous ambulatory peritoneal dialysis patients
- Trang 498-501
We-evaluated the association between a persistent elevation of C-reactive
protein (CRP) level and the presence or severity of ischemic heart disease (IHD)
in continuous ambulatory peritoneal dialysis (CAPD) patients. Seventy-three
patients, who were over 40 years old, underwent dipyridamole thallium single
photon emission computed tomography (SPECT) and followed-up for more than I year
were enroll...
#Proteins #Cardiac disease #Plasma measurements #Cardiovascular diseases #Single photon emission computed tomography #Angiography #Diabetes #Logistics #Regression analysis #History
Analysis of Eurasian oil quality
- Trang 347-350
The study of relationships governing the variability of quality of Eurasian oils
has been carried out on the basis of the statistical processing of data chosen
from a database on petroleum chemistry which includes more than 9,000 entries of
oil physical-chemical data on all the main world oil-bearing basins. It is shown
that the crude oils in Eurasia contain paraffin wax (5.3%), sulfur (1%),
aspha...
#Petroleum #Chemistry #Databases #Resins #Chemical technology #Equations #Statistical analysis #Laboratories #Fractionation #Transportation
Intelligent multiagent systems in E-commerce
- Trang 134-136
Intelligent business agents can help enable the development of rich and
expressive models of a business-to-business E-commerce application. This concept
of E-commerce provides conceptual simplicity and enhances scalability and makes
easier interactions between many information sources in a large business area.
We propose intelligent multiagent systems with social aspects of communication
based on ...
#Intelligent systems #Multiagent systems #Intelligent agent #Computational intelligence #Protocols #Consumer electronics #Information technology #Scalability #World Wide Web #Companies
Effects of structural damping on composite panel flutter
- Trang 11-14
The governing equation for the analysis of panel flutter of composite plates
including structural damping is derived using the energy method. The classical
lamination theory is applied to structural modeling and the eigenvalue problem
is obtained by the Rayleigh-Ritz method. The unsteady aerodynamic load in
supersonic flow is computed by the piston theory. The critical dynamic pressures
for compos...
#Damping #Aerodynamics #Vehicle dynamics #Equations #Stability #Hysteresis #Pistons #Optical fiber theory #Linear approximation #Transportation