Classification
ESB - Hydrogen energy
10
ETF - Fuel cells - general
10
CNJ - Electrochemistry - comprehensive works
7
DKAE - Windows
7
TAT - Engineering Standards
7
YFF - Industrial safety regulations
7
DMF - Software engineering
6
FPU - Corrosion protection, surface coating
6
THM - Heat transfer, mass transfer - technical aspects
6
CAU - Laboratory and safety engineering in chemistry
5
CLM - Catalytic processes
5
TEA - Electrical engineering - general
5
THL - Thermodynamics - technical aspects
5
TIG - Reliability, safety, quality control
5
CNWK - Electric batteries
4
DOQ - Programming languages - Internet
4
DPAD - Data mining, text mining, big data
4
ETFG - Polymer electrolyte membrane fuel cells ( PEMFC )
4
TEDF - Electric power application
4
THP - Pressure vessels, boilers, pipes
4
TKJ - Traffic
4
YFD - Public service legislation
4
YPGE - Human resource planning, human resource management
4
ACA - Languages, dictionaries - general
3
CLE - Combustion, flames, explosions
3
CWB - Chemical engineering - comprehensive works
3
DMAF - Object oriented programming
3
DNA - Computer networks, local area networks
3
DOW - Programming language - LABVIEW, MATLAB
3
LAQ - Laboratory and safety engineering in biology
3
THE - Computer aided design and engineering (CAD)
3
TIE - Process engineering
3
YPG - Business management
3
YPGK - Marketing
3
011 - Simulation Science (advanced reading)
2
ACE - Germanic languages, Indo-Germanic languages
2
AZZ - Firm index - general
2
CLJE - Catalyst characterization and surface phenomena
2
CNE - Electrochemistry
2
CNH - Electrochemistry - reference books
2
CNR - Electrodes
2
CNW - Electrochemical energy production and conversion
2
CWM - Heat transfer, mass transfer - chemical aspects
2
CWSW - Membrane separation process
2
DKAI - Unix - operating system
2
DKAL - Linux - operating system
2
DKAT - Computer utilities
2
DNC - Internet
2
DOFC - Programming language - C plus-plus
2
DOR - Programming languages - JAVA, C#, Mono, .NET
2
more ...