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Latvian Journal of Physics and Technical Sciences

Volume 54 (2017): Issue 5 (October 2017)

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7 Articles
Open Access | Nov 22, 2017
The Development of Nanotechnologies and Advanced Materials Industry in Science and Entrepreneurship: Scientific Indicators. A Case Study of Latvia (Part Three)
S. Geipele

S. Geipele

Institute of Civil Engineering and Real Estate Economics, Faculty of Engineering Economics and Management, Riga Technical University, 6-210 Kalnciema Str., LV-1048,Riga, LATVIA
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Geipele, S.
, 
I. Geipele

I. Geipele

Institute of Civil Engineering and Real Estate Economics, Faculty of Engineering Economics and Management, Riga Technical University, 6-210 Kalnciema Str., LV-1048,Riga, LATVIA
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Geipele, I.
, 
L. Kauskale

L. Kauskale

Institute of Civil Engineering and Real Estate Economics, Faculty of Engineering Economics and Management, Riga Technical University, 6-210 Kalnciema Str., LV-1048,Riga, LATVIA
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Kauskale, L.
, 
N. Zeltins

N. Zeltins

Institute of Physical Energetics, 11 Krivu Str., LV-1006,Riga, LATVIA
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Zeltins, N.
, 
T. Staube

T. Staube

Institute of Civil Engineering and Real Estate Economics, Faculty of Engineering Economics and Management, Riga Technical University, 6-210 Kalnciema Str., LV-1048,Riga, LATVIA
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Staube, T.
 and 
E. Pudzis

E. Pudzis

Institute of Civil Engineering and Real Estate Economics, Faculty of Engineering Economics and Management, Riga Technical University, 6-210 Kalnciema Str., LV-1048,Riga, LATVIA
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Pudzis, E.
  
Open Access | Nov 22, 2017
Design Considerations for Gan-Based Microinverter for Energy Storage Integration Into Ac Grid
K. Kroics

K. Kroics

  • Institute of Physical Energetics 11 Krivu Str.,Riga, LATVIA
  • Riga Technical University 1 Kalku Str.,Riga, LATVIA
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Kroics, K.
, 
J. Zakis

J. Zakis

Riga Technical University 1 Kalku Str.,Riga, LATVIA
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Zakis, J.
, 
A. Suzdalenko

A. Suzdalenko

Riga Technical University 1 Kalku Str.,Riga, LATVIA
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Suzdalenko, A.
 and 
O. Husev

O. Husev

Riga Technical University 1 Kalku Str.,Riga, LATVIA
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Husev, O.
  
Open Access | Nov 22, 2017
Dynamic Air Gap Change of Low-Speed Generator Considering Thermal Expansion, Centrifugal Force and Magnetic Force Effects
M. Cerpinska

M. Cerpinska

Riga Technical University, 1 Kalku Str.,Riga, LATVIA
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Cerpinska, M.
 and 
R. Elmanis-Helmanis

R. Elmanis-Helmanis

Riga Technical University, 1 Kalku Str.,Riga, LATVIA
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Elmanis-Helmanis, R.
  
Open Access | Nov 22, 2017
Theoretical and Experimental Research of Synchronous Reluctance Motor
R. Dobriyan

R. Dobriyan

Riga Technical University, 12/1 Azenes Str.,Riga, LATVIA
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Dobriyan, R.
, 
S. Vitolina

S. Vitolina

Riga Technical University, 12/1 Azenes Str.,Riga, LATVIA
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Vitolina, S.
, 
L. Lavrinovicha

L. Lavrinovicha

Riga Technical University, 12/1 Azenes Str.,Riga, LATVIA
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Lavrinovicha, L.
 and 
J. Dirba

J. Dirba

Riga Technical University, 12/1 Azenes Str.,Riga, LATVIA
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Dirba, J.
  
Open Access | Nov 22, 2017
Development and Assessment of Planetary Gear Unit for Experimental Prototype of Vertical Axis Wind Turbine
A. Urbahs

A. Urbahs

Institute of Aeronautics, Riga Technical University, 1 Kalku Str.,Riga, LATVIA
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Urbahs, A.
, 
M. Urbaha

M. Urbaha

Institute of Aeronautics, Riga Technical University, 1 Kalku Str.,Riga, LATVIA
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Urbaha, M.
 and 
K. Carjova

K. Carjova

Institute of Aeronautics, Riga Technical University, 1 Kalku Str.,Riga, LATVIA
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Carjova, K.
  
Open Access | Nov 22, 2017
Grid Study on the Basis of Allocated Power Loss Calculation
J. Survilo

J. Survilo

Riga Technical University, 12 Azenes Str.,Riga, LATVIA
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Survilo, J.
  
Open Access | Nov 22, 2017
Evaluation of Signal Regeneration Impact on the Power Efficiency of Long-Haul DWDM Systems
D. Pavlovs

D. Pavlovs

Institute of Telecommunications, Riga Technical University 12 Azenes Str.,Riga, LATVIA
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Pavlovs, D.
, 
V. Bobrovs

V. Bobrovs

Institute of Telecommunications, Riga Technical University 12 Azenes Str.,Riga, LATVIA
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Bobrovs, V.
, 
M. Parfjonovs

M. Parfjonovs

Institute of Telecommunications, Riga Technical University 12 Azenes Str.,Riga, LATVIA
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Parfjonovs, M.
, 
A. Alsevska

A. Alsevska

Institute of Telecommunications, Riga Technical University 12 Azenes Str.,Riga, LATVIA
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Alsevska, A.
 and 
G. Ivanovs

G. Ivanovs

Institute of Telecommunications, Riga Technical University 12 Azenes Str.,Riga, LATVIA
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Ivanovs, G.
  

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Journal Subjects:
Physics, Technical and Applied Physics
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