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Latvian Journal of Physics and Technical Sciences

Volume 54 (2017): Issue 4 (August 2017)

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7 Articles

Physical and Technical Energy Problems

Open Access | Sep 23, 2017
Involvement of Individuals in the Development of Technical Solutions and Rules of Management for Building Renovation Projects: A Case Study of Latvia
I. Pukite

I. Pukite

Riga Technical University, Institute of Civil Engineering and Real Estate EconomicsRiga, Latvia
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Pukite, I.
, 
A. Grekis

A. Grekis

Riga Technical University, Institute of Civil Engineering and Real Estate EconomicsRiga, Latvia
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Grekis, A.
, 
I. Geipele

I. Geipele

Riga Technical University, Institute of Civil Engineering and Real Estate EconomicsRiga, Latvia
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Geipele, I.
 and 
N. Zeltins

N. Zeltins

Institute of Physical EnergeticsRiga, Latvia
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Zeltins, N.
  
Open Access | Sep 23, 2017
Digital Control System of Two-Motor Ac Electrical Drive Built by Principles of Harland
J.N. Dochviri

J.N. Dochviri

Georgian Technical UniversityTbilisi, Georgia
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Dochviri, J.N.
 and 
G.R. Turmanidze

G.R. Turmanidze

Georgian Technical UniversityTbilisi, Georgia
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Turmanidze, G.R.
  
Open Access | Sep 23, 2017
Measurements of Wave Power in Wave Energy Converter Effectiveness Evaluation
J. Berins

J. Berins

Faculty of Automation and Computer Engineering, Riga Technical UniversityRiga, Latvia
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Berins, J.
, 
J. Berins

J. Berins

Faculty of Power and Electrical Engineering, Riga Technical UniversityRiga, Latvia
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Berins, J.
 and 
A. Kalnacs

A. Kalnacs

Institute of Physical EnergeticsRiga, Latvia
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Kalnacs, A.
  

Solid State Physics

Open Access | Sep 23, 2017
Nitrogen Adsorption on Graphene Sponges Synthesized by Annealing a Mixture of Nickel and Carbon Powders
V. Grehov

V. Grehov

Institute of Physical EnergeticsRiga, Latvia
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Grehov, V.
, 
J. Kalnacs

J. Kalnacs

Institute of Physical EnergeticsRiga, Latvia
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Kalnacs, J.
, 
A. Mishnev

A. Mishnev

Latvian Institute of Organic SynthesisRiga, Latvia
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Mishnev, A.
 and 
K. Kundzins

K. Kundzins

Institute of Solid State Physics, University of LatviaRiga, Latvia
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Kundzins, K.
  
Open Access | Sep 23, 2017
Stability and the Electronic Structure of XB2 (X = Pt, Ir, Pd, Rh, Os) Diborides
A.I. Popoola

A.I. Popoola

Department of Physics, Federal University of TechnologyAkure, Nigeria
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Popoola, A.I.
, 
A.Y. Odusote

A.Y. Odusote

Department of Physics, Federal University of TechnologyAkure, Nigeria
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Odusote, A.Y.
 and 
O.E. Ayo-Ojo

O.E. Ayo-Ojo

Department of Physics, Federal University of TechnologyAkure, Nigeria
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Ayo-Ojo, O.E.
  

Applied Physics

Open Access | Sep 23, 2017
Influence of the Preparation Method on Planar Perovskite CH3NH3PbI3-xClx Solar Cell Performance and Hysteresis
A. Ivanova

A. Ivanova

  • Institute of Physical EnergeticsRiga, Latvia
  • Riga Technical UniversityRiga, Latvia
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Ivanova, A.
, 
A. Tokmakov

A. Tokmakov

LU Institute of Solid State PhysicsRiga, Latvia
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Tokmakov, A.
, 
K. Lebedeva

K. Lebedeva

Institute of Physical EnergeticsRiga, Latvia
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Lebedeva, K.
, 
M. Roze

M. Roze

Riga Technical UniversityRiga, Latvia
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Roze, M.
 and 
I. Kaulachs

I. Kaulachs

Institute of Physical EnergeticsRiga, Latvia
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Kaulachs, I.
  

Electronics

Open Access | Sep 23, 2017
Analysis of Characteristics and Requirements for 5G Mobile Communication Systems
G. Ancans

G. Ancans

Institute of Telecommunications, Riga Technical University
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Ancans, G.
, 
A. Stafecka

A. Stafecka

Institute of Telecommunications, Riga Technical University
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Stafecka, A.
, 
V. Bobrovs

V. Bobrovs

Institute of Telecommunications, Riga Technical University
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Bobrovs, V.
, 
A. Ancans

A. Ancans

Department of Transport Electronics and Telematics, Riga Technical UniversityRiga, Latvia
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Ancans, A.
 and 
J. Caiko

J. Caiko

Electrical Engineering and Computer Science Department, Kazakh–British Technical UniversityAlmaty, Kazakhstan
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Caiko, J.
  

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Language:
English
Publication timeframe:
6 times per year
Journal Subjects:
Physics, Technical and Applied Physics
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