Toggle navigation
Publikatsioonid
Profiilid
Uurimisrühmad
Registrid
Abi ja info
Switch to English
Intranet
Publikatsioonid
Profiilid
Uurimisrühmad
Registrid
Abi ja info
English
Intranet
Andmebaasid
Publikatsioonid
Otsing
Valitud kirjed
0
Materials science. General materials science (kategooria)
Kõikidelt väljadelt
Allika otsing
Autori otsing
Märksõna otsing
Pealkirja otsing
algab
sisaldab
täpne vaste
Kõikidelt väljadelt
Allika otsing
Autori otsing
Märksõna otsing
Pealkirja otsing
algab
sisaldab
täpne vaste
—
Kõikidelt väljadelt
Allika otsing
Autori otsing
Märksõna otsing
Pealkirja otsing
algab
sisaldab
täpne vaste
—
Kõikidelt väljadelt
Allika otsing
Autori otsing
Märksõna otsing
Pealkirja otsing
algab
sisaldab
täpne vaste
—
Kõikidelt väljadelt
Allika otsing
Autori otsing
Märksõna otsing
Pealkirja otsing
algab
sisaldab
täpne vaste
—
Lisa tingimus
Liitotsing
filter
Tühista
×
teaviku laadid
raamat
..
artikkel ajakirjas
..
artikkel ajalehes
..
artikkel kogumikus
..
dissertatsioon
..
Open Access
..
Teaduspublikatsioon
..
aasta
ilmumisaasta
Toon andmeid..
autor
Toon andmeid..
TTÜ struktuuriüksus
Toon andmeid..
märksõna
Toon andmeid..
seeria-sari
Toon andmeid..
tema kohta
Toon andmeid..
võtmesõna
Toon andmeid..
Tühista
Kirjeid leitud
502
Vaata veel..
(3/189)
Ekspordi
ekspordi kõik päringu tulemused
(502)
Salvesta TXT fail
Salvesta PDF fail
prindi
Märgitud kirjetega toimetamiseks ava
valitud kirjed
kuva
Bibliokirje
Lühikirje
reasta
autor kasvavalt
autor kahanevalt
ilmumisaasta kasvavalt
ilmumisaasta kahanevalt
pealkiri kasvavalt
pealkiri kahanevalt
301
artikkel ajakirjas EST
/
artikkel ajakirjas ENG
Online detection of out-of-step condition using PMU-determined system impedances
Tealane, Marko
;
Kilter, Jako
;
Popov, Marjan
;
Bagleybter, Oleg
;
Klaar, Danny
IEEE Access
2022
/
p. 14807-14818
https://doi.org/10.1109/ACCESS.2022.3149103
Journal metrics at Scopus
Article at Scopus
Journal metrics at WOS
Article at WOS
artikkel ajakirjas EST
/
artikkel ajakirjas ENG
Seotud publikatsioonid
1
Future power system out-of-step protection concept utilizing synchronized phasor measurements = Tuleviku elektrisüsteemi faasimõõtmistel põhinev sünkronismikaotuskaitse kontseptsioon
302
artikkel ajakirjas EST
/
artikkel ajakirjas ENG
Opportunities and challenges of utilizing additive manufacturing approaches in thermal management of electrical machines
Ghahfarokhi, Payam Shams
;
Podgornovs, Andrejs
;
Kallaste, Ants
;
Cardoso, Antonio J. Marques
;
Belahcen, Anouar
;
Vaimann, Toomas
;
Tiismus, Hans
;
Asad, Bilal
IEEE Access
2021
/
art. 9364970, p. 36368-36381 : ill
https://doi.org/10.1109/ACCESS.2021.3062618
Journal metrics at Scopus
Article at Scopus
Journal metrics at WOS
Article at WOS
artikkel ajakirjas EST
/
artikkel ajakirjas ENG
303
artikkel ajakirjas EST
/
artikkel ajakirjas ENG
Optical dynamics of copper-doped cadmium sulfide (CdS) and zinc sulfide (ZnS) quantum-dots core/shell nanocrystals
Rashid, Muhammad Haroon
;
Koel, Ants
;
Rang, Toomas
;
Nasir, Nadeem
;
Sabir, Nadeem
;
Ameen, Faheem
;
Rasheed, Abher
Nanomaterials
2022
/
art. 2277
https://doi.org/10.3390/nano12132277
Journal metrics at Scopus
Article at Scopus
Journal metrics at WOS
Article at WOS
artikkel ajakirjas EST
/
artikkel ajakirjas ENG
304
artikkel ajakirjas EST
/
artikkel ajakirjas ENG
Optimisation of plant mediated synthesis of silver nanoparticles by common weed Plantago major and their antimicrobial properties
Küünal, Siim
;
Visnapuu, Meeri
;
Volobujeva, Olga
;
Soares Rosario, Maria
;
Rauwel, Protima
;
Rauwel, Erwan
IOP Conference Series : Materials Science and Engineering
2019
/
art. 012003
https://doi.org/10.1088/1757-899X/613/1/012003
Conference proceedings at Scopus
Article at Scopus
Article at WOS
artikkel ajakirjas EST
/
artikkel ajakirjas ENG
Seotud publikatsioonid
1
Plant mediated synthesis of silver-based nanoparticles and their use as antimicrobial agent in environmentally-friendly applications = Taime ekstrakti abil sünteesitud hõbedal põhinevad nanoosakesed ning nende kasutus antimikroobse vahendina keskkonnasõbralikes rakendustes
305
artikkel ajakirjas EST
/
artikkel ajakirjas ENG
Optimisation of the ethylene glycol reduction method for the synthesis of platinum-ceria-carbon materials as catalysts for the methanol oxidation reaction
Nguyen, Huy
;
Nerut, Jaak
;
Kasuk, Heili
;
Härmas, Meelis
;
Valk, Peeter
;
Romann, Tavo
;
Koppel, Miriam
;
Teppor, Patrick
;
Aruväli, Jaan
;
Korjus, Ove
;
Volobujeva, Olga
;
Lust, Enn
Journal of solid state electrochemistry
2023
/
p. 313–326 : ill
https://doi.org/10.1007/s10008-022-05326-4
Journal metrics at Scopus
Article at Scopus
Journal metrics at WOS
Article at WOS
artikkel ajakirjas EST
/
artikkel ajakirjas ENG
306
artikkel ajakirjas EST
/
artikkel ajakirjas ENG
Optimization of physical activity recognition for real-time wearable systems : effect of window length, sampling frequency and number of features
Allik, Ardo
;
Pilt, Kristjan
;
Karai, Deniss
;
Fridolin, Ivo
;
Leier, Mairo
;
Jervan, Gert
Applied sciences
2019
/
art. 4833, 14 p. : ill
https://doi.org/10.3390/app9224833
Journal metrics at Scopus
Article at Scopus
Journal metrics at WOS
Article at WOS
artikkel ajakirjas EST
/
artikkel ajakirjas ENG
Seotud publikatsioonid
1
Advancing novel physical fatigue assessment and human activity monitoring methods towards perzonalized feedback with wearable sensors = Kantavatel seadmetel põhinevate füüsilise väsimuse hindamise ning inimese aktiivsuse monitoorimise meetodite arendamine personaalseks tagasisideks
307
artikkel ajakirjas EST
/
artikkel ajakirjas ENG
Optimization of radiators, underfloor and ceiling heater towards the definition of a reference ideal heater for energy efficient buildings
Ferrantelli, Andrea
;
Võsa, Karl-Villem
;
Kurnitski, Jarek
Applied sciences
2018
/
art. 2477, 22 p. : ill
https://doi.org/10.3390/app8122477
Journal metrics at Scopus
Article at Scopus
Journal metrics at WOS
Article at WOS
artikkel ajakirjas EST
/
artikkel ajakirjas ENG
308
artikkel ajakirjas EST
/
artikkel ajakirjas ENG
Optimization of the Sb2S3 shell thickness in ZnO nanowire-based extremely thin absorber solar cells
Hector, Guislain
;
Eensalu, Jako Siim
;
Katerski, Atanas
;
Oja Acik, Ilona
;
Kärber, Erki
Nanomaterials
2022
/
art. 198
https://doi.org/10.3390/nano12020198
Journal metrics at Scopus
Article at Scopus
Journal metrics at WOS
Article at WOS
artikkel ajakirjas EST
/
artikkel ajakirjas ENG
309
artikkel ajakirjas EST
/
artikkel ajakirjas ENG
Optimized modulation scheme for four-leg quasi Z-source inverter : reducing power loss and improving output quality
Abid, Abderahmane
;
Bakeer, Abualkasim Ahmed Ali
;
Albalawi, Hani
;
Zellouma, Laid
;
Bouzidi, Mansour
;
Lashab, Abderezak
;
Rabhi, Boualaga
;
Chub, Andrii
IEEE Access
2023
/
p. 94125-94137
https://doi.org/10.1109/ACCESS.2023.3305263
Journal metrics at Scopus
Article at Scopus
Journal metrics at WOS
Article at WOS
artikkel ajakirjas EST
/
artikkel ajakirjas ENG
310
artikkel ajakirjas EST
/
artikkel ajakirjas ENG
Optimizing the processing of shellfish (Mytilus edulis and M. trossulus Hybrid) biomass cultivated in the Low Salinity Region of the Baltic Sea for the extraction of meat and proteins
Adler, Indrek
;
Kotta, Jonne
;
Tuvikene, Rando
;
Kaldre, Katrin
Applied sciences
2022
/
art. 5163, 11 p. : ill
https://doi.org/10.3390/app12105163
Journal metrics at Scopus
Article at Scopus
Journal metrics at WOS
Article at WOS
artikkel ajakirjas EST
/
artikkel ajakirjas ENG
311
artikkel ajakirjas EST
/
artikkel ajakirjas ENG
Out-of-step protection based on discrete angle derivatives
Tealane, Marko
;
Kilter, Jako
;
Bagleybter, Oleg
;
Heimisson, Birkir
;
Popov, Marjan
IEEE Access
2022
/
p. 78290-78305
https://doi.org/10.1109/ACCESS.2022.3193390
Journal metrics at Scopus
Article at Scopus
Journal metrics at WOS
Article at WOS
artikkel ajakirjas EST
/
artikkel ajakirjas ENG
Seotud publikatsioonid
1
Future power system out-of-step protection concept utilizing synchronized phasor measurements = Tuleviku elektrisüsteemi faasimõõtmistel põhinev sünkronismikaotuskaitse kontseptsioon
312
artikkel ajakirjas EST
/
artikkel ajakirjas ENG
Overheating risk and energy demand of nordic old and new apartment buildings during average and extreme weather conditions under a changing climate
Farahani, Azin Velashjerdi
;
Jokisalo, Juha
;
Korhonen, Natalia
;
Jylhä, Kirsti
;
Ruosteenoja, Kimmo
;
Kosonen, Risto
Applied sciences
2021
/
art. 3972, 25 p. : ill
https://doi.org/10.3390/app11093972
Journal metrics at Scopus
Article at Scopus
Journal metrics at WOS
Article at WOS
artikkel ajakirjas EST
/
artikkel ajakirjas ENG
313
artikkel ajakirjas EST
/
artikkel ajakirjas ENG
An overview of lifetime management of power electronic converters
Rahimpour, Saeed
;
Tarzamni, Hadi
;
Vosoughi Kurdkandi, Naser
;
Husev, Oleksandr
;
Vinnikov, Dmitri
;
Tahami, Farzad
IEEE Access
2022
/
p. 109688-109711
https://doi.org/10.1109/ACCESS.2022.3214320
Journal metrics at Scopus
Article at Scopus
Journal metrics at WOS
Article at WOS
artikkel ajakirjas EST
/
artikkel ajakirjas ENG
Seotud publikatsioonid
1
Common-ground energy router structure with enhanced reliability and protection = Ühise nulljuhtmega suurendatud töökindluse ja kaitsega energiaruuter
314
artikkel ajakirjas EST
/
artikkel ajakirjas ENG
Parametric study on in situ Laser powder bed fusion of Mo(Si1−x,Alx)2
Minasyan, Tatevik
;
Aydinyan, Sofiya
;
Toyserkani, Ehsan
;
Hussainova, Irina
Materials
2020
/
art. 4849, 17 p. : ill
https://doi.org/10.3390/ma13214849
Journal metrics at Scopus
Article at Scopus
Journal metrics at WOS
Article at WOS
artikkel ajakirjas EST
/
artikkel ajakirjas ENG
315
artikkel ajakirjas EST
/
artikkel ajakirjas ENG
Pavement distress detection with deep learning using the orthoframes acquired by a mobile mapping system
Riid, Andri
;
Lõuk, Roland
;
Pihlak, Rene
;
Tepljakov, Aleksei
;
Vassiljeva, Kristina
Applied sciences
2019
/
art. 4829, 22 p. : ill
https://doi.org/10.3390/app9224829
Journal metrics at Scopus
Article at Scopus
Journal metrics at WOS
Article at WOS
artikkel ajakirjas EST
/
artikkel ajakirjas ENG
316
artikkel ajakirjas EST
/
artikkel ajakirjas ENG
PCL/Si-doped multi-phase calcium phosphate scaffolds derived from cuttlefish bone
Ressler, Antonia
;
Bauer, Leonard
;
Prebeg, Teodora
;
Ledinski, Maja
;
Hussainova, Irina
;
Urlic, Inga
;
Ivankovic, Marica
;
Ivankovic, Hrvoje
Materials
2022
/
art. 3348
https://doi.org/10.3390/ma15093348
Journal metrics at Scopus
Article at Scopus
Journal metrics at WOS
Article at WOS
artikkel ajakirjas EST
/
artikkel ajakirjas ENG
317
artikkel ajakirjas EST
/
artikkel ajakirjas ENG
A PD-type iterative learning algorithm for semi-linear distributed parameter systems with sensors/actuators
Zhang, Jianxiang
;
Cui, Baotong
;
Jiang, Zhengxian
;
Chen, Juan
IEEE Access
2019
/
p. 159037-159047 : ill
https://doi.org/10.1109/ACCESS.2019.2950456
Journal metrics at Scopus
Article at Scopus
Journal metrics at WOS
Article at WOS
artikkel ajakirjas EST
/
artikkel ajakirjas ENG
318
artikkel ajakirjas EST
/
artikkel ajakirjas ENG
Performance improvement of decision tree : a robust classifier using tabu search algorithm
Hafeez, Muhammad Asfand
;
Rashid, Muhammad
;
Tariq, Hassan
;
Abideen, Zain Ul
;
Alotaibi, Saud S.
;
Sinky, Mohammed H.
Applied Sciences (Switzerland)
2021
/
art. 6728
https://doi.org/10.3390/app11156728
Journal metrics at Scopus
Article at Scopus
Journal metrics at WOS
Article at WOS
artikkel ajakirjas EST
/
artikkel ajakirjas ENG
319
artikkel ajakirjas EST
/
artikkel ajakirjas ENG
Performance of ceramic-metal composites as potential tool materials for friction stir welding of aluminium, copper and stainless steel
Kolnes, Mart
;
Kübarsepp, Jakob
;
Sergejev, Fjodor
;
Kolnes, Märt
;
Tarraste, Marek
;
Viljus, Mart
Materials
2020
/
art. 1994, 18 p. : ill
https://doi.org/10.3390/ma13081994
Journal metrics at Scopus
Article at Scopus
Journal metrics at WOS
Article at WOS
artikkel ajakirjas EST
/
artikkel ajakirjas ENG
320
artikkel ajakirjas EST
/
artikkel ajakirjas ENG
Performances of PID and different fuzzy methods for controlling a ball on beam
Vu, Trieu Minh
;
Tamre, Mart
;
Moezzi, Reza
;
Mets, Oliver
;
Jürise, Mart
;
Põlder, Ahti
;
Teder, Leo
;
Juurma, Märt
Open engineering
2016
/
p. 145-151 : ill
https://doi.org/10.1515/eng-2016-0018
Journal metrics at Scopus
Article at Scopus
artikkel ajakirjas EST
/
artikkel ajakirjas ENG
321
artikkel ajakirjas EST
/
artikkel ajakirjas ENG
Phase formation, microstructure and mechanical properties of Mg67Ag33 as potential biomaterial
Kosiba, Konrad
;
Prashanth, Konda Gokuldoss
;
Scudino, Sergio
Metals
2021
/
art. 461, 10 p. : ill
https://doi.org/10.3390/met11030461
Journal metrics at Scopus
Article at Scopus
Journal metrics at WOS
Article at WOS
artikkel ajakirjas EST
/
artikkel ajakirjas ENG
322
artikkel ajakirjas EST
/
artikkel ajakirjas ENG
Phase, microstructure, and wear behavior of Al2O3-reinforced Fe–Si alloy-based metal matrix nanocomposites
Saxena, Akash
;
Singh, Neera
;
Singh, Bhupendra
;
Kumar, Devendra
;
Sadasivuni, Kishor Kumar
;
Gupta, Pallav
;
Kumar, Devendra
Proceedings of the institution of mechanical engineers part L Journal of Materials Design and Applications
Journal of materials design and applications
2020
/
art. 146442071989338, p. 467-480
https://doi.org/10.1177/1464420719893387
Journal metrics at Scopus
Article at Scopus
Journal metrics at WOS
Article at WOS
artikkel ajakirjas EST
/
artikkel ajakirjas ENG
323
artikkel ajakirjas EST
/
artikkel ajakirjas ENG
Photocontrolled strain in polycrystalline ferroelectrics via domain engineering strategy
Rubio-Marcos, Fernando
;
Del Campo, Adolfo
;
Ordonez-Pimentel, Jonathan
;
Venet, Michel
;
Rojas Hernandez, Rocio Estefania
;
Paez-Margarit, David
;
Ochoa, Diegi A.
;
Fernandez, Jose Francisco
;
Garcia, Jose E.
ACS applied materials and interfaces
ACS applied materials & interfaces
2021
/
p. 20858−20864
https://doi.org/10.1021/acsami.1c03162
Journal metrics at Scopus
Article at Scopus
Journal metrics at WOS
Article at WOS
artikkel ajakirjas EST
/
artikkel ajakirjas ENG
324
artikkel ajakirjas EST
/
artikkel ajakirjas ENG
Photocurrent generation in carbon nanotube/cubic-phase HfO2 nanoparticle hybrid nanocomposites
Rauwel, Protima
;
Galeckas, Augustinas
;
Salumaa, Martin
;
Ducroquet, Frederiquet
;
Rauwel, Erwan
Beilstein journal of nanotechnology
2016
/
p. 1075-1085 : ill
https://doi.org/10.3762/bjnano.7.101
Journal metrics at Scopus
Article at Scopus
Journal metrics at WOS
Article at WOS
artikkel ajakirjas EST
/
artikkel ajakirjas ENG
325
artikkel ajakirjas EST
/
artikkel ajakirjas ENG
Photoluminescence study of deep donor- deep acceptor pairs in Cu2ZnSnS4
Krustok, Jüri
;
Raadik, Taavi
;
Grossberg, Maarja
;
Kauk-Kuusik, Marit
;
Trifiletti, V.
;
Binetti, S.
Materials science in semiconductor processing
2018
/
p. 52-55 : ill
https://doi.org/10.1016/j.mssp.2018.02.025
Journal metrics at Scopus
Article at Scopus
Journal metrics at WOS
Article at WOS
artikkel ajakirjas EST
/
artikkel ajakirjas ENG
Kirjeid leitud 502, kuvan
301 - 325
eelmine
9
10
11
12
13
14
15
16
17
18
järgmine
võtmesõna
177
1.
materials science
2.
absorptive materials
3.
acoustic materials
4.
aerospace materials
5.
agglomeration (materials)
6.
amorphous materials
7.
Anode materials
8.
antibacterial materials
9.
applications and performances of bioinspired materials
10.
bio-based materials
11.
bio‐based materials
12.
biocompatible materials
13.
biocomposite materials
14.
boi ceramic materials
15.
building materials
16.
carbon based materials
17.
carbon materials
18.
carbon neutral building materials
19.
carbon-based materials
20.
ceramic luminescent materials
21.
ceramic materials
22.
composite materials
23.
construction materials
24.
Critical Raw Materials
25.
dielectric materials
26.
dispersion strengthened materials
27.
earth-abundant materials
28.
EIT Raw Materials
29.
electroactive materials
30.
electron transporting materials
31.
ferromagnetic materials
32.
fill materials
33.
flow packaging materials
34.
fracture (materials)
35.
functional materials
36.
functionalized materials
37.
fusion-related materials
38.
granular materials
39.
Hard magnetic materials
40.
high-entropy materials
41.
historic building materials
42.
hybrid materials
43.
indoor finishing materials
44.
inorganic materials
45.
insulation materials
46.
insulation materials
47.
living materials
48.
local natural materials
49.
luminogenic materials
50.
macroporous materials
51.
magnetic materials
52.
magnetically ordered materials
53.
materials
54.
materials chemistry
55.
materials design
56.
materials engineering
57.
materials mass origin
58.
materials reliability
59.
materials technology
60.
materials testing
61.
mechanics of materials
62.
mesoporous materials
63.
MIEC materials
64.
M–N–C catalyst materials
65.
monograin materials
66.
multi-phase materials
67.
nanostructured materials
68.
optical materials
69.
optically active materials
70.
organic materials
71.
oxide materials
72.
phase change materials
73.
phase-change materials
74.
plasma facing materials
75.
plasma-facing materials
76.
porous materials
77.
powder materials
78.
processing of bioinspired materials
79.
prosthesis materials
80.
raw materials
81.
recycled building materials
82.
road materials
83.
sensing materials
84.
simulations of bioinspired materials at all length scales
85.
smart materials
86.
smart materials with structural health monitoring capabilities
87.
soft magnetic composite materials
88.
soft magnetic materials
89.
soft robot materials and design
90.
solar energy materials
91.
soundproof materials
92.
structures and materials
93.
teaching materials
94.
transportation materials
95.
Two-dimensional materials
96.
Ultrafine-grained materials
97.
wear of materials
98.
wide bandgap materials
99.
virucidal materials
100.
wooden materials
101.
applied science
102.
chemistry and philosophy of science
103.
citizen science
104.
citizen science hub
105.
classical exact science
106.
computational social science
107.
computer science
108.
computer science basics
109.
computer science education
110.
data science
111.
data-science
112.
design science
113.
design science research
114.
design-science
115.
energy science and technology
116.
engineering pedagogy science
117.
environmental science
118.
ethics of science
119.
exact science
120.
food science
121.
logic in computer science
122.
NATO. Science for Peace and Security Program
123.
non-classical exact science
124.
philosophy of science
125.
physics and philosophy of science
126.
planetary science
127.
political science
128.
popular science literature
129.
post normal science
130.
post-normal science
131.
Q science
132.
science
133.
science advisors
134.
science and arts
135.
science and technology libraries
136.
science and technology parks
137.
science fiction
138.
science gateway
139.
science integration
140.
science mapping
141.
science policy
142.
science technology innovation
143.
Science, Technology and Innovation Policy
144.
science-based industries
145.
science-driven models
146.
science-policy-society interface
147.
Social Science
148.
social science methodology
149.
sustainability science
150.
transdisciplinary science
151.
Web of Science
152.
World Academy of Art and Science (WAAS)
153.
ȹ-science
154.
φ-science
155.
ϕ-science
156.
GDPR (General Data Protection Regulation)
157.
general - catalogs - gamma rays
158.
general - radiation mechanisms
159.
general anti-abuse rule
160.
general control modulo of the oscillatory behavior
161.
General Court
162.
general data protection regulation
163.
general education
164.
general equilibrium
165.
general fluid mechanics
166.
general practice
167.
general skills
168.
general surgery
169.
general systems theory
170.
general theory of information transfer
171.
general training
172.
general transcription factor
173.
general vibration theory
174.
Geography (General)
175.
Modern Heterodox General Macroeconomics
176.
open-economy dynamic general equilibrium model
177.
perceived general self-efficacy
märksõna
11
1.
EIT Raw Materials
2.
Heidelberg Materials
3.
International Baltic conference on engineering materials and tribology (24 : 2015 : Tallinn)
4.
Estonian Summer School on Computer and Systems Science, 2023
5.
Norwegian University of Science and Technology
6.
The European Federation of Food Science and Technology (EFFoST)
7.
Web of Science
8.
General Electrics
9.
General Estuarine Transport Model (GETM)
10.
General Motors
11.
General Motors Corporation
autor
1
1.
Department of Software Science, Tallinn University of Technology
×
vaste
algab
lõpeb
sisaldab
reasta
Relevantsuse alusel
kasvavalt
kahanevalt
ilmumisaasta
autor
TTÜ struktuuriüksus
märksõna
seeria-sari
tema kohta
võtmesõna
Otsing
Valikud
0
ilmumisaasta
AND
OR
NOT
autor
AND
OR
NOT
TTÜ struktuuriüksus
AND
OR
NOT
märksõna
AND
OR
NOT
seeria-sari
AND
OR
NOT
tema kohta
AND
OR
NOT
võtmesõna
AND
OR
NOT