Classification
TKH - Air flight, space flight
90
THQ - Fluid mechanics and dynamics
32
FMA - Metals, alloys - general (reports)
10
THM - Heat transfer, mass transfer - technical aspects
8
PAD - Physics - comprehensive works
6
CH - Physical chemistry
5
THP - Pressure vessels, boilers, pipes
5
THQD - Gas flow
5
THS - Turbines, pumps
5
TIJ - Furnaces, combustion plants
4
FPTG - Stress corrosion
3
PGN - Fusion technology, plasma devices
3
CUS - Light scattering
2
EIE - Solar equipment
2
FMV - Light metals, metallic foams
2
FPHB - Crack phenomena
2
FPT - Corrosion - specific aspects
2
HEE - Human physiology - general aspects
2
PEC - Electromagnetic waves
2
PGA - Plasma physics
2
PGAB - Plasma physics - general theory
2
PGE - Particle kinetics and transport in plasmas
2
TCB - Communication and information - theory
2
TGBT - Thermal measurement
2
THKF - Bonding
2
THT - Vacuum technique
2
THU - Acoustics, ultrasonics
2
AHF - Research and science
1
CBT - Inorganic synthesis and reactions of nonmetals and their compounds
1
CE - Organic chemistry
1
CLE - Combustion, flames, explosions
1
CT - Chemical methods of materials analysis
1
DHA - Computer equipment and periphery
1
DMC - Computer programs
1
DWA - Database systems
1
DZE - Data privacy, data security
1
FAE - Materials research - general interest
1
FFJE - Molecular surface processes, gas surface interaction, adsorption
1
FHG - Electron microscopy
1
FMC - Metal physics, metallurgical thermodynamics
1
FMHB - Hardening
1
FMST - Special alloys
1
FNPD - Hard materials, refractory compounds
1
FPH - Fatigue, mechanical testing
1
FPHG - Mechanical testing
1
FPQ - Surface friction, hardness, wear, lubrication
1
FPTK - Corrosion in specific environments
1
FPTN - Corrosion of specific materials
1
MKBC - Boundary problems, eigenvalue problems of PDE
1
MNC - Difference equations, difference methods
1
more ...