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
Tallinn University of Technology (kirjastus/väljaandja)
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
×
Leia sarnast
Tallinna Tehnikaülikool
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
1092
Vaata veel..
(5/291)
Ekspordi
ekspordi kõik päringu tulemused
(1000*)
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
226
raamat
Descriptive geometry general course : exercises
Gilts, Krista
2015
http://www.ester.ee/record=b4420448*est
raamat
227
artikkel kogumikus
Design and analysis of a DC solid-state circuit breaker for energy router application : [conference paper]
Rahimpour, Saeed
21st International Symposium "Topical problems in the field of electrical and power engineering. Doctoral school of energy and geotechnology. III" : Pärnu, Estonia, June 15-18, 2022
2022
/
p. 63-64 : ill
https://www.ester.ee/record=b5504019*est
artikkel kogumikus
228
artikkel kogumikus
Design and automatic calculations of machine elements
Tiidemann, Mart
;
Kalja, Ahto
;
Tiidemann, Tiit
Engineering Graphics BALTGRAF-11 : proceedings of the Eleventh International Conference : Tallinn, Estonia, June 9-10, 2011
2011
/
p. 124-130 : ill
artikkel kogumikus
229
artikkel kogumikus
Design and development of the optical system for the nanosatellite using RP
Koop, Riho
;
Braziulis, Donatas
;
Olabode, Olaide Felix
;
Pecollari, Klevi
;
Gunasekaran, Balaji
;
Juurma, Märt
;
Tamre, Mart
;
Hiiemaa, Maido
Proceedings of the 11th International Conference of DAAAM Baltic Industrial Engineering : 20-22th April 2016, Tallinn, Estonia
2016
/
p. 31-36 : ill
http://innomet.ttu.ee/daaam/
artikkel kogumikus
230
artikkel kogumikus
Design and experimentation of fuzzy logic control for an anti-lock braking system
Aksjonov, Andrei
;
Vodovozov, Valery
;
Petlenkov, Eduard
BEC 2016 : 2016 15th Biennial Baltic Electronics Conference : proceedings of the 15th Biennial Baltic Electronics Conference : Tallinn University of Technology, October 3-5, 2016, Tallinn, Estonia
2016
/
p. 207-210 : ill
http://www.ester.ee/record=b2150914*est
artikkel kogumikus
231
artikkel kogumikus
Design and implementation of flyback MPPT converter for PV-applications
Suskis, Pavels
;
Zakis, Janis
;
Galkin, Ilja
PQ2014 : the 9th International 2014 Electric Power Quality and Supply Reliability Conference (PQ) : June 11-13, 2014, Rakvere, Estonia : proceedings
2014
/
p. 291-296 : ill
artikkel kogumikus
232
artikkel kogumikus
Design concepts for a hybrid diesel electric shunting locomotive powertrain
Hõimoja, Hardi
;
Roasto, Indrek
;
Kesküla, A.
BEC 2010 : 2010 12th Biennial Baltic Electronics Conference : proceedings of the 12th Biennial Baltic Electronics Conference : Tallinn University of Technology, October 4-6, 2010, Tallinn, Estonia
2010
/
p. 293-296 : ill
artikkel kogumikus
233
artikkel kogumikus
Design for manufacturability and quality in fibre optic products
Temerbulatova, Anna
;
Powell, L.
;
Tähemaa, Toivo
Proceedings of the 9th International Conference of DAAAM Baltic Industrial Engineering, 24-26th April 2014, Tallinn, Estonia
2014
/
p. 405-410 : ill
artikkel kogumikus
234
artikkel kogumikus
Design of a unified framework for creating XR experiences for research and academia
Bondarenko, Yevhen
21st International Symposium "Topical problems in the field of electrical and power engineering. Doctoral school of energy and geotechnology. III" : Pärnu, Estonia, June 15-18, 2022
2022
/
p. 11-12 : ill
https://www.ester.ee/record=b5504019*est
artikkel kogumikus
235
artikkel kogumikus
Design of a wearable mechatronic brace
Vu, Trieu Minh
;
Tamre, Mart
;
Safonov, Aleksei
;
Kovalenko, Pavel
;
Monahov, Juri
17th International Symposium “Topical Problems in the Field of Electrical and Power Engineering”. Doctoral school of energy and geotechnology. III : Kuressaare, Estonia, January 15-20, 2018
2018
/
p. 9-13 : ill
http://ise.elnet.ee/record=b2949854~S2*est
artikkel kogumikus
236
artikkel kogumikus
Design of experimental stand for human gait imitation
Zhigailov, Sergei
;
Musalimov, Victor
;
Arjassov, Gennadi
Proceedings of the 9th International Conference of DAAAM Baltic Industrial Engineering, 24-26th April 2014, Tallinn, Estonia
2014
/
p. 300-304 : ill
artikkel kogumikus
237
artikkel kogumikus
Design of glass canopy panel
Velsker, Tarmo
;
Lend, Henri
;
Kirs, Maarjus
Proceedings of the 8th International Conference of DAAAM Baltic Industrial Engineering, 19-21st April 2012, Tallinn, Estonia. 2
2012
/
p. 759-764 : ill
artikkel kogumikus
238
artikkel kogumikus
Design of renewable micro generation monitoring and control application
Lehtla, Madis
;
Kõivastik, Ivar
;
Möller, Taavi
;
Kallaste, Ants
;
Rosin, Argo
PQ2010 : 7th International Conference "2010 Electric Power Quality and Supply Reliability" : June 16-18, 2010, Kuressaare, Estonia
2010
/
p. 105-110 : ill
artikkel kogumikus
239
artikkel kogumikus
Design of superhard c-BC2N-precipitates in B4C/Al-composites through SHS and heat treatment
Kommel, Lembit
;
Metsvahi, Rainer
;
Viljus, Mart
;
Kimmari, Eduard
;
Kolju, Karl
;
Traksmaa, Rainer
Proceedings of the 8th International Conference of DAAAM Baltic Industrial Engineering, 19-21st April 2012, Tallinn, Estonia. 2
2012
/
p. 645-650 : ill
artikkel kogumikus
240
artikkel kogumikus
Design optimization of 3D-printed permanent magnet clutch
Andriushchenko, Ekaterina
20th International Symposium "Topical problems in the field of electrical and power engineering. Doctoral school of energy and geotechnology. III" : Tallinn, Estonia, September 8-10, 2021
2022
/
p. 31-32 : ill
https://www.ester.ee/record=b5457278*est
artikkel kogumikus
241
artikkel kogumikus
Design optimization of glass canopy panel subjected to snow load
Õunapuu, Erko
;
Velsker, Tarmo
;
Eerme, Martin
Proceedings of the 10th International Conference of DAAAM Baltic Industrial Engineering, 12-13th May 2015, Tallinn, Estonia
2015
/
p. 104-108 : ill
artikkel kogumikus
242
artikkel kogumikus
Design optimization of structural components for fatique loading
Pabut, Ott
;
Eerme, Martin
;
Majak, Jüri
;
Pohlak, Meelis
Proceedings of the 7th International Conference of DAAAM Baltic Industrial Engineering : 22-24th April 2010, Tallinn, Estonia. [I]
2010
/
p. 131-135 : ill
artikkel kogumikus
243
artikkel kogumikus
Design principles of flexible manufacturing systems
Hermaste, Aigar
;
Riives, Jüri
;
Sonk, Kaimo
;
Sarkans, Martinš
Proceedings of the 9th International Conference of DAAAM Baltic Industrial Engineering, 24-26th April 2014, Tallinn, Estonia
2014
/
p. 92-96 : ill
artikkel kogumikus
244
artikkel kogumikus
Design procedure and preliminary analysis for the introduction of axial asymmetry in the synchronous reluctance machines
Naseer, Muhammad Usman
22nd International Symposium “Topical Problems in the Field of Electrical and Power Engineering”. Doctoral School of Energy and Geotechnology III : Pärnu, Estonia, August 23-26, 2023
2023
/
p. 33-34 : ill
https://www.ester.ee/record=b5570906*est
artikkel kogumikus
245
artikkel kogumikus
Design space exploration and optimisation for NoC-based timing sensitive systems
Tagel, Mihkel
;
Ellervee, Peeter
;
Jervan, Gert
BEC 2010 : 2010 12th Biennial Baltic Electronics Conference : proceedings of the 12th Biennial Baltic Electronics Conference : Tallinn University of Technology, October 4-6, 2010, Tallinn, Estonia
2010
/
p. 177-180 : ill
artikkel kogumikus
246
artikkel kogumikus
Detection efficiency calibration of Si-SPAD detectors via comparison with a Si-standard diode
Dhoska, Klodian
;
Hofer, Helmuth
;
Lopez, Marco
;
Rodiek, Beatrice
;
Kübarsepp, Toomas
;
Kück, Stefan
Proceedings of the 11th International Conference of DAAAM Baltic Industrial Engineering : 20-22th April 2016, Tallinn, Estonia
2016
/
p. 110-115 : ill
http://innomet.ttu.ee/daaam/
artikkel kogumikus
247
artikkel kogumikus
Detection of broken bars in frequency converter fed induction motor using Park’s vector approach
Vaimann, Toomas
;
Belahcen, Anouar
;
Martinez, Javier
;
Kilk, Aleksander
PQ2012 : 8th International Conference : 2012 Electric Power Quality and Supply Reliability : June 11-13, 2012, Tartu, Estonia : conference proceedings
2012
/
p. 53-56 : ill
https://www.researchgate.net/publication/261051228_Detection_of_broken_bars_in_frequency_converter_fed_induction_motor_using_Park's_vector_approach
artikkel kogumikus
248
artikkel kogumikus
Determination methods for controller parameters of back-to-back converters in electric power grids
Beg, Nauman
;
Rahmoun, Ahmad
;
Armstorfer, Andreas
;
Rosin, Argo
;
Biechl, Helmuth
PQ2016 : the 10th International Conference 2016 Electric Power Quality and Supply Reliability Conference (PQ) : August 29-31, 2016, Tallinn, Estonia : proceedings
2016
/
p. 157-164 : ill
https://doi.org/10.1109/PQ.2016.7724106
artikkel kogumikus
Seotud publikatsioonid
1
Mathematical modeling and control strategies for islanded microgrids = Saartalitluses mikrovõrkude matemaatiline modelleerimine ja juhtimisstrateegiad
249
artikkel kogumikus
Determination of mechanical properties of thin hard coatings using nanoindentation
Yaldiz, Can Emrah
;
Veinthal, Renno
;
Gregor, Andre
;
Georgiadis, Kyriakos
18th International Baltic Conference : Engineering Materials & Tribology : BALTMATTRIB-2009 : October 22-23, 2009, Tallinn, Estonia : abstracts
2009
/
p. 48
artikkel kogumikus
250
artikkel kogumikus
Determination of the mechanical properties of carbide composites by spherical indentation
Sergejev, Fjodor
;
Petrov, Mihhail
;
Kübarsepp, Jakob
Proceedings of the 8th International Conference of DAAAM Baltic Industrial Engineering, 19-21st April 2012, Tallinn, Estonia. 2
2012
/
p. 723-728 : ill
artikkel kogumikus
Kirjeid leitud 1092, kuvan
226 - 250
eelmine
6
7
8
9
10
11
12
13
14
15
järgmine
võtmesõna
182
1.
Tallinn University of Technology
2.
Tallinn University of Technology Library
3.
University technology commercialisation
4.
university technology transfer
5.
abatement technology
6.
additive technology in medicine
7.
advanced fiber placement technology
8.
advanced fibre placement technology
9.
assistive technology
10.
assistive technology and rehabilitation engineering
11.
backfill technology
12.
blockchain technology
13.
Bluetooth low-energy tracking technology
14.
briquetting technology
15.
building technology
16.
business information technology
17.
CALL-technology
18.
classroom technology
19.
clean technology
20.
cleaning technology
21.
communication technology
22.
construction technology
23.
convivial technology
24.
critical theory of technology
25.
design structure matrix technology
26.
digital technology
27.
distributed ledger technology
28.
droplet-based technology
29.
educational technology
30.
efficient motor technology
31.
emerging technology
32.
energy science and technology
33.
ethics of technology
34.
ethics of technology
35.
financial technology
36.
flotation technology
37.
food technology
38.
frontier technology
39.
gas sensing technology
40.
government as technology maker
41.
Green technology
42.
healthcare technology
43.
high technology
44.
hyperspectral technology
45.
ice breaking technology
46.
ICT (information and communication technology)
47.
implementation technology
48.
indigenous technology
49.
info technology
50.
information and communication technology
51.
information and communication technology (ICT)
52.
information and communications technology
53.
information communication technology
54.
Information technology
55.
information technology (IT)
56.
informational technology
57.
in-store retail technology
58.
intelligent information technology
59.
language of technology
60.
language technology
61.
law and technology
62.
legal technology
63.
low-carbon construction technology
64.
low-carbon technology
65.
materials technology
66.
mechanical engineering and energy technology
67.
Medical technology
68.
microwave technology
69.
mining technology
70.
new technology
71.
optimized production technology
72.
person-communication technology interface
73.
philosophy of technology
74.
Powder technology
75.
power to hydrogen technology
76.
principle of technology neutrality
77.
production technology
78.
science and technology libraries
79.
science and technology parks
80.
science technology innovation
81.
Science, Technology and Innovation Policy
82.
semiconductor technology
83.
setting out technology
84.
smart technology
85.
social construction of technology
86.
solid heat carrier technology
87.
sourdough technology
88.
space technology
89.
surface-mount technology
90.
technology
91.
technology acceptance
92.
technology acceptance model
93.
Technology Acceptance Model (TAM)
94.
technology adoption
95.
technology analysis
96.
technology and the law
97.
technology appropriation
98.
technology brands
99.
technology CAD (electronics)
100.
technology education
101.
technology governance
102.
technology implementation
103.
technology infrastructure
104.
technology integration
105.
technology intelligence
106.
technology management
107.
technology of removal
108.
technology pilots
109.
technology policy
110.
technology selection
111.
technology social factors
112.
technology transfer
113.
technology transfer and diffusion
114.
technology transfer network
115.
technology transfer office
116.
technology-assisted refereeing
117.
technology-driven SMEs
118.
technology-enhanced learning
119.
technology-mediated cities
120.
technology-transfer processes
121.
technology-transfer processes
122.
tissue sensing technology
123.
trust in technology
124.
trust models in technology
125.
ubiquitous computer technology
126.
Ultra-wideband technology
127.
unified theory of acceptance and use of technology
128.
V2G technology
129.
welding technology
130.
18 O stable isotope labeling technology
131.
24th IEEE International Conference on Industrial Technology 2023
132.
cooperation between university
133.
Enlightenment-Era University
134.
entrepreneurial university
135.
Estonian university libraries
136.
European University
137.
green university
138.
history of the University of Tartu
139.
instagram and university library
140.
learning university
141.
marketing and university library
142.
new university concept
143.
occupational stress sources in university
144.
social media marketing and university library
145.
sources of occupational stress in university
146.
Sumy State University
147.
Tartu University
148.
technical university academics
149.
university
150.
University 4.0
151.
university academics
152.
university and IT industry cooperation
153.
university autonomy
154.
university campus
155.
university dropout
156.
university education
157.
university environment
158.
university fundraising 5.0
159.
university- industry- government relations
160.
university librarians
161.
university libraries
162.
university management
163.
University of Tartu (Dorpat)
164.
university selection process
165.
university teachers
166.
university-business cooperation
167.
university–business cooperation
168.
university-industry collaboration
169.
university-industry cooperation
170.
university-industry partnerships
171.
university-industry relations
172.
university-industry-state relations
173.
university-industry-state relations
174.
Greater-Tallinn
175.
Gulf of Tallinn
176.
Helsinki-Tallinn
177.
Tallinn
178.
Tallinn (Reval)
179.
Tallinn airport
180.
Tallinn Bay
181.
Tallinn Stock Exchange
182.
Tallinn-Harku aerological station
märksõna
92
1.
Department of Marine Systems of Tallinn University of Technology (TalTech)
2.
Norwegian University of Science and Technology
3.
The Silesian University of Technology
4.
Bolt Technology OÜ
5.
Massachusetts Institute of Technology
6.
The European Federation of Food Science and Technology (EFFoST)
7.
Baltic University Programme
8.
Newcastle University. Experimental Architecture Group
9.
University College Birmingham
10.
University di Messina
11.
Admiraliteedi bassein (Tallinn)
12.
AI in business, workshop (2022 : Tallinn)
13.
Aleksander Nevski katedraal (Tallinn)
14.
Balti raamatukoguhoidjate kongress (11 : 2020 : Tallinn)
15.
Balti Teede Konverents (29 : 2017 : Tallinn)
16.
Centre for Food and Fermentation Technologies (Tallinn, Estonia)
17.
EDUCON 2015, teaduskonverents (2015 : Tallinn)
18.
Eesti Geoloogiakeskus. Aprillikonverents (14 : 2006 : Tallinn)
19.
Eesti Geoloogiakeskus. Aprillikonverents (16 : 2008 : Tallinn)
20.
Eesti Geoloogiakeskus. Aprillikonverents (19 : 2011 : Tallinn)
21.
Eesti Geoloogiakeskus. Aprillikonverents (2007 : Tallinn)
22.
Eesti Geoloogiakeskus. Aprillikonverents (2009 : Tallinn)
23.
Eesti Geoloogiakeskus. Aprillikonverents (2012 : Tallinn)
24.
Eesti Geoloogiakeskus. Aprillikonverents (2015 : Tallinn)
25.
Eesti Kultuuri Koja aastakonverents (2016 : Tallinn)
26.
Elcoteq Tallinn AS
27.
Euroopa Instituut (Tallinn)
28.
Formula Student Team Tallinn
29.
FS Team Tallinn
30.
Glehni loss (Tallinn)
31.
Horisont (Tallinn : 1967-)
32.
Hundipea (Tallinn)
33.
Instrutec, mess (21 : 2015 : Tallinn)
34.
Instrutec, mess (23 : 2017 : Tallinn)
35.
International Baltic conference on engineering materials and tribology (24 : 2015 : Tallinn)
36.
Ironman, Tallinn
37.
ITT Group Tallinn
38.
Kadaka (Tallinn)
39.
Kalamaja (Tallinn)
40.
kesklinn (Tallinn)
41.
Kloostrimetsa (Tallinn)
42.
Kopli (Tallinn)
43.
Laevamehhaanikute kursused (Tallinn)
44.
Lauluväljak (Tallinn)
45.
Lennusadam (Tallinn)
46.
Lilleküla (Tallinn)
47.
Manufuture (2017 : Tallinn)
48.
Mina, superorganism : lugu bakterite ja inimese kooselust, näitus Eesti Tervishoiu Muuseumis (2019-2020) : Tallinn
49.
Männiku (Tallinn)
50.
NEXPO Tallinn
51.
Noblessneri sadam (Tallinn)
52.
Nõmme (Tallinn)
53.
Paldiski mnt. (Tallinn)
54.
Põhja-Tallinn
55.
Püha on maa, noorte laulu- ja tantsupidu (13 : 2023 : Tallinn)
56.
Raadionäitus, 1934, Tallinn
57.
Raekoja plats (Tallinn)
58.
Rahvusvaheline Kaitseuuringute Keskus (Tallinn)
59.
Robotex (13 : 2013 : Tallinn)
60.
Robotex (14 : 2014 : Tallinn)
61.
Robotex (15 : 2015 : Tallinn)
62.
Robotex (16 : 2016 : Tallinn)
63.
Robotex (17 : 2017 : Tallinn)
64.
Robotex (18 : 2018 : Tallinn)
65.
Robotex (19 : 2019 : Tallinn)
66.
Robotex (20 : 2021 : Tallinn)
67.
Robotex (21 : 2022 : Tallinn)
68.
Robotex (22 : 2023 : Tallinn)
69.
Rohu tn. (Tallinn)
70.
Scripta manent, rahvusvaheline köitekunstinäitus (6:2020:Tallinn)
71.
Sustainable Building (2016 : Tallinn)
72.
Tallinn
73.
Tallinn Music Week (2022)
74.
Teadlaste Öö (12 : 2017 : Tallinn)
75.
Teadus- ja erialaraamatukogu päev (10 : 2017 : Tallinn)
76.
Teadus- ja erialaraamatukogu päev (11 : 2018 : Tallinn)
77.
Teadus- ja erialaraamatukogu päev (9 : 2016 : Tallinn)
78.
Tehnoloogia 2000, mess (2000 : Tallinn)
79.
Tehnoloogiamess (2004 : Tallinn)
80.
Tehnoloogiamess (2006 : Tallinn)
81.
Vanalinn (Tallinn)
82.
Vene-Balti Laevatehas (Tallinn)
83.
Vesilennukite angaar (Tallinn)
84.
Võti Tulevikku, karjäärimess (2016 : Tallinn)
85.
Võti Tulevikku, karjäärimess (2020 : Tallinn)
86.
Võti Tulevikku, karjäärimess (2021 : Tallinn)
87.
Võti Tulevikku, karjäärimess (2022 : Tallinn)
88.
Võti Tulevikku, karjäärimess (2023 : Tallinn)
89.
Võti Tulevikku, karjäärimess (2024 : Tallinn)
90.
Üleriigiline ehituspäev (2 : 1938 : Tallinn)
91.
Всесоюзное палеонтологическое общество. Сессия 32, 1986, Tallinn
92.
Šoti klubi (Tallinn)
autor
13
1.
Department of Software Science, Tallinn University of Technology
2.
Tallinn University of Technology
3.
Tallinn University of Technology, Department of Electrical Engineering
4.
Tallinn University of Technology, School of Economics and Business Administration
5.
Tallinna Tehnikaülikooli üliõpilasesindus = Student Council of Tallinn University of Technology
6.
Tallinn University of Technology. School of Economics and Business Administration
7.
Tallinn Technical University
8.
Baltic University Programme
9.
Tallinn Polütehnilne Instituut, tootmise ökonoomika ja organiseerimise kateeder
10.
Tallinn Polytechnic Institute
11.
Tallinn Polytechnic Institute, Chair of Foreign Languages
12.
Tallinn, Jüri
13.
Tallinn, Karl
TTÜ märksõna
3
1.
ESN Tallinn University of Technology International Club
2.
Goverment Technology and Artificial Intelligence Lab = GovAILab
3.
EuroTeQ Engineering University
tema kohta
1
1.
Tallinn, Jaan
×
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