Repozytorium Uniwersytetu Zielonogórskiego

Kolekcje
- Jednostki organizacyjne
  
  (134)
  - Wydział Mechaniczny
    
    (130)
  - Wydział Budownictwa, Architektury i Inżynierii Środowiska
    
    (3)
  - Wydział Informatyki, Elektrotechniki i Automatyki
    
    (1)
- Czasopisma naukowe i serie wydawnicze UZ
  
  (134)
  - International Journal of Applied Mechanics and Engineering (IJAME)
    
    (130)
    - International Journal of Applied Mechanics and Engineering (IJAME) (2013)
      
      (18)
    - International Journal of Applied Mechanics and Engineering (IJAME) (2019)
      
      (15)
    - International Journal of Applied Mechanics and Engineering (IJAME) (2020)
      
      (14)
    - International Journal of Applied Mechanics and Engineering (IJAME) (2018)
      
      (14)
    - International Journal of Applied Mechanics and Engineering (IJAME) (2016)
      
      (12)
    - International Journal of Applied Mechanics and Engineering (IJAME) (2017)
      
      (10)
    - International Journal of Applied Mechanics and Engineering (IJAME) (2023)
      
      (10)
    - International Journal of Applied Mechanics and Engineering (IJAME) (2022)
      
      (9)
    - International Journal of Applied Mechanics and Engineering (IJAME) (2015)
      
      (9)
    - International Journal of Applied Mechanics and Engineering (IJAME) (2014)
      
      (8)
    - International Journal of Applied Mechanics and Engineering (IJAME) (2021)
      
      (7)
    - International Journal of Applied Mechanics and Engineering (IJAME) (2024)
      
      (4)
  - Civil and Environmental Engineering Reports (CEER)
    
    (3)
    - Civil and Environmental Engineering Reports (CEER) (2010)
      
      (1)
    - Civil and Environmental Engineering Reports (CEER) (2016)
      
      (1)
    - Civil and Environmental Engineering Reports (CEER) (2017)
      
      (1)
  - International Journal of Applied Mathematics and Computer Science (AMCS)
    
    (1)
    - International Journal of Applied Mathematics and Computer Science (AMCS) (2016)
      
      (1)
- Typy utworów
  
  (130)
  - Artykuły
    
    (130)
Publikacje grupowe
- International Journal of Applied Mechanics and Engineering (IJAME)
  
  (130)
- Civil and Environmental Engineering Reports (CEER)
  
  (3)
- International Journal of Applied Mathematics and Computer Science (AMCS)
  
  (1)
Typ pliku
- application/pdf
  
  (134)
Autor
- Muthucumaraswamy, Rajamanickam
  
  (10)
- Gorla, Rama Subba Reddy
  
  (7)
- Singh, Mahinder
  
  (6)
- Zigta, Binyam
  
  (5)
- Gireesha, B. J.
  
  (4)
- Nandeppanavar, Mahantesh M.
  
  (4)
- Sharma, Bhupendra Kumar
  
  (4)
- Ailawalia, Praveen
  
  (3)
- Guria, M.
  
  (3)
- Kishan, Naikoti
  
  (3)
- Mehta, C.B.
  
  (3)
- Singh, K.D.
  
  (3)
- Aggarwal, Amrish
  
  (2)
- Arutchelvi, A.
  
  (2)
- Bhadauria, Beer Singh
  
  (2)
- Bég, Anwar O.
  
  (2)
- Chandrakala, P.
  
  (2)
- Chaudhary, R.C.
  
  (2)
- Dixit, Dhruva
  
  (2)
- Gaur, Rajarshi
  
  (2)
- Govardhan, K.
  
  (2)
- Jha, Abhay Kumar
  
  (2)
- Kumar, K. Ganesh
  
  (2)
- Kumar, S.
  
  (2)
- Lahiri, Abhijit
  
  (2)
- Linga Raju, Temburu
  
  (2)
- Murthy, P.V.S.N.
  
  (2)
- Prabhakar Reddy, Bijjula
  
  (2)
- Prasad, Kerehalli Vinayaka
  
  (2)
- Prasad, Ramachandra V.
  
  (2)
- Rana, G.C.
  
  (2)
- Reddy, B. Prabhakar
  
  (2)
- Sekar, R.
  
  (2)
- Sharma, Bhupendra K.
  
  (2)
- Sharma, Madhu
  
  (2)
- Sharma, Ram Prakash
  
  (2)
- Siddalingappa, M.N.
  
  (2)
- Siddiqa, Sadia
  
  (2)
- Singh, M.
  
  (2)
- Sravanthi, C.S.
  
  (2)
- Vaidya, Hanumesh
  
  (2)
- Vajravelu, Kuppalapalle
  
  (2)
- Vasu, B.
  
  (2)
- Adebayo, Lateefah
  
  (1)
- Agneeshwari, M.
  
  (1)
- Ahmed, Alliche Sid
  
  (1)
- Ahmed, Nazibuddin
  
  (1)
- Ajibade, Abiodun O.
  
  (1)
- Ali, Adham
  
  (1)
- Ali, Hashmat
  
  (1)
- Allouaoui, Reda
  
  (1)
- Andreev, E.
  
  (1)
- Anjali Devi, S.P.
  
  (1)
- Anya, Augustine
  
  (1)
- Appidi, Lakshmi
  
  (1)
- Autrique, Laurent
  
  (1)
- Awasthi, Bhavtosh
  
  (1)
- Awati, V.B.
  
  (1)
- Ayankop-Andi, Emem
  
  (1)
- Ayoub, Bennia
  
  (1)
- Bakshtanin, Alexander
  
  (1)
- Balachandran, P.
  
  (1)
- Balaswamy, B.
  
  (1)
- Bansal, A.K.
  
  (1)
- Baoku, Ismail Gboyega
  
  (1)
- Barak, M.S.
  
  (1)
- Beddiaf, Sara
  
  (1)
- Begum, Jubi
  
  (1)
- Benin, Dmitriy M.
  
  (1)
- Bhargava, Rama
  
  (1)
- Bouazis, Amina Manal
  
  (1)
- Bouazis, Mohamed Najib
  
  (1)
- Budhiraja, S.
  
  (1)
- Chand, Ramesh
  
  (1)
- Chand, Suresh
  
  (1)
- Chandran, Pallath
  
  (1)
- Chauhan, Sudhir Kumar
  
  (1)
- Chavaraddi, Krishna B.
  
  (1)
- Choudhary, Kuldeep Kumar
  
  (1)
- Choudhury, R.
  
  (1)
- Choudhury, Rita
  
  (1)
- Das, Nayon Chandra
  
  (1)
- Das, Utpal Jyoti
  
  (1)
- Datti, P.S.
  
  (1)
- De, Poulomi
  
  (1)
- Deekshitulu, G. V. S. R.
  
  (1)
- Dey, Bamdeb
  
  (1)
- Dhananjaya, S.
  
  (1)
- Dhananjeya Kumaar, V.S.A.
  
  (1)
- Dhanasekar, Nagarajan
  
  (1)
- Dzierka, Martyna
  
  (1)
- Easwara Prasad, G.
  
  (1)
- Ferdows, Mohammad
  
  (1)
- Ganesan, K.
  
  (1)
- Garg, B.P.
  
  (1)
- Garg, P.
  
  (1)
- Gaur, P.K.
  
  (1)
- Geetha, E.
  
  (1)
- Goqo, Sicelo
  
  (1)
- Goud, B. Shankar
  
  (1)
Współtwórca
- Jurczak, Paweł - red.
  
  (130)
- Kuczyński, Tadeusz - red.
  
  (2)
- Korbicz, Józef - red.
  
  (1)
- Kuczma, Mieczysław - red.
  
  (1)
- Uciński, Dariusz - red.
  
  (1)
Tytuł
- A effect of rotation in an orthotropic elastic slab
  
  (1)
- A new approach for study the electrohydrodynamic oscillatory flow through a porous medium in a heating compliant channel
  
  (1)
- A numerical study of dissipative chemically reactive radiative MHD flow past a vertical cone with non-uniform mass flux
  
  (1)
- A study of chemically reactive species and thermal radiation effects on an unsteady MHD free convection flow through a porous medium past a flat plate with ramped wall temperature
  
  (1)
- A study on fractional order thermoelastic half space
  
  (1)
- An unsteady flow and melting heat transfer of a nanofluid over a stretching sheet embedded in a porous medium
  
  (1)
- Axisymmetric mixed convective MHD flow over a slender cylinder in the presence of chemically reaction
  
  (1)
- Biomagnetic flow over a flat plate embedded by a magnetic dipole in a porous media
  
  (1)
- Chemical reaction and MHD flow for magnetic field effect on heat and mass transfer of fluid flow through a porous medium onto a moving vertical plate
  
  (1)
- Chemical reaction effects on MHD flow past a linearly accelerated vertical plate with variable temperature and mass diffusion in the presence of thermal radiation
  
  (1)
- Chemical reaction effects on MHD flow past an impulsively started isothermal vertical plate with uniform mass diffusion
  
  (1)
- Combined effects of helical force and rotation on stationary convection of a binary ferrofluid in a porous medium
  
  (1)
- Compressible analysis of Bénard Convection of magneto rotatory couple-stress fluid
  
  (1)
- Conjugate mixed convection of a micropolar fluid over a vertical hollow circular cylinder
  
  (1)
- Double-diffusive convection of synovial (couple-stress) fluid in the presence of hall current through a porous medium
  
  (1)
- Effect of MHD on unsteady oscillatory couette flow through porous media
  
  (1)
- Effect of Soret and temperature dependent viscosity on thermohaline convection in a ferrofluid saturating a porous medium
  
  (1)
- Effect of chemical reaction and radiation on double diffusive flow of a viscous, dissipative fluid through porous medium in a rectangular cavity with heat sources
  
  (1)
- Effect of chemical reaction on mixed convective nanofluid flow on a vertical plate with uniform heat and mass fluxes
  
  (1)
- Effect of convective heat and mass conditions in magnetohydrodynamic boundary layer flow with joule heating and thermal radiation
  
  (1)
- Effect of electric field on dispersion of a solute in an MHD flow through a vertical channel with and without chemical reaction
  
  (1)
- Effect of magnetic field on thermal instability of Oldroydian viscoelastic rotating fluid in porous medium
  
  (1)
- Effect of magnetic field on thermosolutal instability of rotating ferromagnetic fluid under varying gravity field
  
  (1)
- Effect of slip condition on viscoelastic MHD oscillatory forced convection flow in a vertical channel with heat radiation
  
  (1)
- Effect of suspended particles on thermosolutal convection of Rivlin-Ericksen fluid in porous medium with variable gravity
  
  (1)
- Effect of thermal radiation and chemical reaction on MHD flow of blood in stretching permeable vessel
  
  (1)
- Effect of thermal radiation, chemical reaction and viscous dissipation on MHD flow
  
  (1)
- Effect of variable viscosity on MHD inclined arterial blood flow with chemical reaction
  
  (1)
- Effect of viscous dissipation and thermal radiation on heat transfer over a non-linearly stretching sheet through porous medium
  
  (1)
- Effect of viscous dissipation and thermoporesis on the flow over an exponentially stretching sheet
  
  (1)
- Effective interfacial tension effect on the instability of streaming rivlin-ericksen elastico-viscous fluid flow through a porous medium
  
  (1)
- Effects of chemical reaction on MHD flow past an impulsively started infinite vertical plate with uniform heat and mass flux
  
  (1)
- Effects of chemical reaction on magneto-micropolar fluid flow from a radiative surface with variable permeability
  
  (1)
- Effects of chemical reaction on transient MHD flow with mass transfer past an impulsively fixed infinite vertical plate in the presence of thermal radiation
  
  (1)
- Effects of hall current on unsteady hydromagnetic free convection flow past an impulsively moving vertical plate with Newtonian heating
  
  (1)
- Effects of heat and mass flux on MHD free convection flow through a porous medium with radiation and first order chemical reaction
  
  (1)
- Effects of heat source/sink and chemical reaction on MHD maxwell nanofluid flow over a convectively heated exponentially stretching sheet using homotopy analysis method
  
  (1)
- Effects of viscous dissipation and wall conduction on steady mixed convection couette flow of heat generating/absorbing fluid
  
  (1)
- Electro-hydrodynamic convection in a rotating dielectric micropolar fluid layer
  
  (1)
- Entropy generation analysis of mhd micropolar nanofluid flow over a moved and permeable vertical plate
  
  (1)
- FEM simulation of triple diffusive natural convection along inclined plate in porous medium: prescribed surface heat, solute and nanoparticles flux
  
  (1)
- Flow features of thermophoretic MHD viscous fluid flow past a converging channel with heat source and chemical reaction
  
  (1)
- Generalized plane waves in a rotating thermoelastic double porous solid
  
  (1)
- Hall effect on MHD transient flow past an impulsively started infinite horizontal porous plate in a rotating system
  
  (1)
- Hall effect on thermal instability of viscoelastic dusty fluid in porous medium
  
  (1)
- Hall effects and rotation effects on MHD flow past an exponentially accelerated vertical plate with combined heat and mass transfer effects
  
  (1)
- Hall effects on isothermal vertical plate with uniform mass diffusion in the presence of rotating fluid and chemical reaction of first order
  
  (1)
- Heat and mass transfer effects on MHD flow past an inclined porous plate in the presence of chemical reaction
  
  (1)
- Heat and mass transfer in a second grade fluid over a stretching vertical surface in a porous medium
  
  (1)
- Heat and mass transfer in a vertical channel flow through a porous medium in the presence of radiation
  
  (1)
- Heat transfer effects on free convection of viscous dissipative fluid flow over an inclined plate with thermal radiation in the presence of induced magnetic field
  
  (1)
- Heat transfer in oscillating flow through porous medium with dissipative heat
  
  (1)
- Heat transfer of viscoelastic fluid flow due to non-linear stretching sheet with internal heat source
  
  (1)
- Heating source localization in a reduced time
  
  (1)
- Hydrodynamic and hydromagnetic stability of two superposed elastico - viscous fluids of different permeability with dust in porous medium
  
  (1)
- Hydromagnetic flow past an exponentially accelerated isothermal vertical plate with uniform mass diffusion in the presence of chemical reaction of first order
  
  (1)
- Impacts of chemical reaction, thermal radiation, and heat source/sink on unsteady MHD natural convective flow through an oscillatory infinite vertical plate in porous medium
  
  (1)
- Impacts of chemical reactions on inclined isothermal vertical plate
  
  (1)
- Influence of Soret effect on MHD mixed convection flow of visco-elastic fluid past a vertical surface with hall effect
  
  (1)
- Influence of chemical reaction on the heat and mass transfer of nanofluid flow over a nonlinear stretching sheet: A numerical study
  
  (1)
- Influence of heat sources and relaxation time on temperature distribution in tissues
  
  (1)
- Initial unsteady free convective flow past an infinite vertical plate with radiation and mass transfer effects
  
  (1)
- Lubrication of asymmetric rollers considering viscosity as function of mean temperature
  
  (1)
- MHD and rotation effects on flow past an accelerated vertical plate with variable temperature and mass diffusion in the presence of chemical reaction
  
  (1)
- MHD effects on non-Newtonian power-law fluid past a continuously moving porous flat plate with heat flux and viscous dissipation
  
  (1)
- MHD flow past a parabolic flow past an infinite isothermal vertical plate in the presence of thermal radiation and chemical reaction
  
  (1)
- MHD free convection-radiation interaction in a porous medium - Part I: Numerical investigation
  
  (1)
- MHD free convection-radiation interaction in a porous medium - Part II: soret/dufour effects
  
  (1)
- MHD free convective heat and mass transfer flow from a vertical porous surface with variable thermal conductivity, variable mass diffusivity and thermal diffusion including viscous dissipation and chemical reaction
  
  (1)
- MHD heat transfer in two-layered flow of conducting fluids through a channel bounded by two parallel porous plates in a rotating system
  
  (1)
- Magnetic effects on surface waves in a rotating non-homogeneous half-space with grooved and impedance boundary characteristics
  
  (1)
- Magneto-hydro dynamic flow and heat transfer of non-newtonian power-law fluid over a non-linear stretching surface with viscous dissipation
  
  (1)
- Magneto-thermo-piezo-elastic wave in an initially stressed rotating monoclinic crystal in a two-temperature theory
  
  (1)
- Magnetohydrodynamic flow around an elongated cylinder in non-Darcian porous regime with higher order chemical reaction and Soret/Dufour effects
  
  (1)
- Mass transfer with chemical reaction on flow past an accelerated vertical plate with variable temperature and thermal radiation
  
  (1)
- Mathematical modeling of magneto pulsatile blood flow through a porous medium with a heat source
  
  (1)
- Mixed convection on MHD flow with thermal radiation, chemical reaction and viscous dissipation embedded in a porous medium
  
  (1)
- Mixed convective fully developed flow in a vertical channel in the presence of thermal radiation and viscous dissipation
  
  (1)
- Nanofluid motion past a shrinking sheet in porous media under the impact of radiation and heat source/sink
  
  (1)
- Natural convection in a hydrodynamically and thermally anisotropic non-rectangular porous cavity: effect of internal heat generation/absorption
  
  (1)
- New iterative method of solving nonlinear equations in fluid mechanics
  
  (1)
- Newtonian heating effect on heat absorbing unsteady MHD radiating and chemically reacting free convection flow past an oscillating vertical porous plate
  
  (1)
- Numerical solutions by EFGM of MHD convective fluid flow past a vertical plate immersed in a porous medium in the presence of cross diffusion effects via biot number and convective boundary condition
  
  (1)
- Numerical study of a transient MHD flow across an oscillating vertical plate with thermal radiation and viscous dissipation
  
  (1)
- Numerical study on flow past an oscillating plate with variable temperature and uniform mass diffusion under chemical reaction
  
  (1)
- On thermal instability of Kuvshiniski fluid with suspended particles saturated in a porous medium in the presence of a magnetic field
  
  (1)
- One-dimensional thermal shock problem for a semi-infinite hygrothermoelastic rod
  
  (1)
- Oscillatory MHD convective flow of second order fluid through porous medium in a vertical rotating channel in slip-flow regime with heat radiation
  
  (1)
- Oscillatory fluid flow and heat transfer through porous medium between parallel plates with inclined magnetic field, radiative heat flux and heat source
  
  (1)
- Peristaltic flow and heat transfer of a conducting Phan-Thien-Tanner fluid in an asymmetric channel - application to chyme movement in small intestine
  
  (1)
- Permeability, tortuosity, and attenuation of waves in porous materials = Dyfuzyjność, krętność i tłumienie fal w materiałach porowatych
  
  (1)
- Plane strain deformation in a thermoelastic microelongated solid with internal heat source
  
  (1)
- Radiation absorption and chemical reaction effects on rivlin-ericksen flow past a vertical moving porous plate
  
  (1)
- Radiation and chemical reaction effects on MHD flow along a moving vertical porous plate
  
  (1)
- Radiation and chemical reaction effects on unsteady MHD free convection parabolic flow past an infinite isothermal vertical plate with viscous dissipation
  
  (1)
- Radiation and magnetohydrodynamic effects on convective nanofluid past an inclined plate in the presence of a chemical reaction
  
  (1)
- Radiation effect on MHD blood flow through a tapered porous stenosed artery with thermal and mass diffusion
  
  (1)
- Radiation effect on three dimensional vertical channel flow through porous medium
  
  (1)
- Radiation effects on MHD boundary layer flow and heat transfer over a nonlinear stretching surface with variable wall temperature in the presence of non-uniform heat source/sink
  
  (1)
- Review of applied mathematical models for describing the behaviour of aqueous humor in eye structures
  
  (1)
Temat i słowa kluczowe
- porous medium
  
  (47)
- chemical reaction
  
  (37)
- MHD
  
  (31)
- thermal radiation
  
  (21)
- heat transfer
  
  (19)
- viscous dissipation
  
  (18)
- magnetic field
  
  (16)
- mass transfer
  
  (16)
- rotation
  
  (13)
- heat source
  
  (12)
- radiation
  
  (11)
- free convection
  
  (8)
- nanofluid
  
  (7)
- suspended particles
  
  (7)
- vertical plate
  
  (7)
- heat source/sink
  
  (5)
- porous media
  
  (5)
- Nusselt number
  
  (4)
- compressibility
  
  (4)
- convection
  
  (4)
- isothermal
  
  (4)
- permeability
  
  (4)
- Hall currents
  
  (3)
- Rivlin-Ericksen fluid
  
  (3)
- Soret effect
  
  (3)
- accelerated
  
  (3)
- chemical reaction parameter
  
  (3)
- couple-stress fluid
  
  (3)
- magnetohydrodynamics
  
  (3)
- mixed convection
  
  (3)
- oscillatory
  
  (3)
- radiation parameter
  
  (3)
- stretching sheet
  
  (3)
- suction
  
  (3)
- thermal diffusion
  
  (3)
- thermoelasticity
  
  (3)
- thermophoresis
  
  (3)
- Dufour number
  
  (2)
- Hall effect
  
  (2)
- Joule heating
  
  (2)
- Keller-Box method
  
  (2)
- MHD flow
  
  (2)
- Newtonian heating
  
  (2)
- Rayleigh number
  
  (2)
- Soret number
  
  (2)
- Taylor number
  
  (2)
- blood flow
  
  (2)
- convective
  
  (2)
- diffusion
  
  (2)
- finite difference
  
  (2)
- finite-difference
  
  (2)
- horizontal circular cylinder
  
  (2)
- inclined plate
  
  (2)
- injection
  
  (2)
- internal heat source
  
  (2)
- magnetization
  
  (2)
- mass diffusion
  
  (2)
- micro-rotation
  
  (2)
- micropolar fluid
  
  (2)
- nanofluids
  
  (2)
- natural convection
  
  (2)
- non-Darcy porous media transport
  
  (2)
- non-Newtonian fluid
  
  (2)
- normal mode analysis
  
  (2)
- normal-mode
  
  (2)
- oscillating plate
  
  (2)
- periodic suction
  
  (2)
- skin friction
  
  (2)
- skin-friction coefficient
  
  (2)
- slip velocity
  
  (2)
- slip-flow
  
  (2)
- temperature
  
  (2)
- thermal convection
  
  (2)
- thermal instability
  
  (2)
- thermosolutal instability
  
  (2)
- unsteady flow
  
  (2)
- variable gravity
  
  (2)
- Adomian decomposition method (ADM)
  
  (1)
- Bingham plastic
  
  (1)
- Brinkman model
  
  (1)
- Brownian motion
  
  (1)
- Couette flow
  
  (1)
- Couette porous plates
  
  (1)
- Darcy law
  
  (1)
- Darcy model
  
  (1)
- Darcy`s rule
  
  (1)
- Differential Transform Method (DTM)
  
  (1)
- Dufour effect
  
  (1)
- EFGM
  
  (1)
- Eckert number
  
  (1)
- FDM (Fused Deposition Modeling)
  
  (1)
- FEM
  
  (1)
- FEM analysis
  
  (1)
- Frenkel-Biots waves
  
  (1)
- Galerkin FEM
  
  (1)
- Galerkin finite element method
  
  (1)
- Galerkin technique
  
  (1)
- Grashof number
  
  (1)
- HAM
  
  (1)
- Hall current effect
  
  (1)
Data wydania
- 2013
  
  (18)
- 2019
  
  (15)
- 2018
  
  (14)
- 2020
  
  (14)
- 2016
  
  (13)
- 2017
  
  (11)
- 2023
  
  (10)
- 2015
  
  (9)
- 2022
  
  (9)
- 2014
  
  (8)
- 2021
  
  (7)
- 2024
  
  (4)
- 2010
  
  (1)
Typ zasobu
- artykuł
  
  (134)
Jezyk
- eng
  
  (134)
Prawa do dysponowania publikacją
- Biblioteka Uniwersytetu Zielonogórskiego
  
  (134)

Filtry

Wyników: 134

Generalized plane waves in a rotating thermoelastic double porous solid

Hall effects and rotation effects on MHD flow past an exponentially accelerated vertical plate with combined heat and mass transfer effects

MHD heat transfer in two-layered flow of conducting fluids through a channel bounded by two parallel porous plates in a rotating system

Rotation capacity of bolted flush end-plate stiffened beam-to-column connection = Zdolność do obrotu użebrowanego połączenia z blachą wpuszczoną belki ze słupem

Magnetic effects on surface waves in a rotating non-homogeneous half-space with grooved and impedance boundary characteristics

MHD free convection-radiation interaction in a porous medium - Part I: Numerical investigation

FEM simulation of triple diffusive natural convection along inclined plate in porous medium: prescribed surface heat, solute and nanoparticles flux

New iterative method of solving nonlinear equations in fluid mechanics

Review of applied mathematical models for describing the behaviour of aqueous humor in eye structures

Dane kontaktowe

Adres

Telefon

E-Mail

Odwiedź nas!

Mapa strony

Strona główna

Kolekcje

Indeksy

Informacje

Konto użytkownika

Historia przeglądania