Valko, Peter P. : rechercher sur Z-Library

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Articles (171)
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Cultural monuments and nature conservation: a review of the role of kurgans in the conservation and restoration of steppe vegetation

Deák, Balázs, Tóthmérész, Béla, Valkó, Orsolya, Sudnik-Wójcikowska, Barbara, Moysiyenko, Ivan I., Bragina, Tatyana M., Apostolova, Iva, Dembicz, Iwona, Bykov, Nikolay I., Török, Péter

Journal:

Biodiversity and Conservation

Année:

2016

Langue:

english

Fichier:

PDF, 522 KB

english, 2016

Microseismic Closure Window Characterizes Hydraulic-Fracture Geometry Better

Liu, Songxia, Valkó, Peter P., McKetta, Steven, Liu, Xiaoda

Journal:

SPE Reservoir Evaluation & Engineering

Année:

2016

Langue:

english

Fichier:

PDF, 2.13 MB

english, 2016

Kinetics of polymer degradation involving the splitting off of small molecules: Part 2—Thermal dehydrochlorination of PVC in an inert atmosphere

Peter Šimon, Ladislav Valko

Journal:

Polymer Degradation and Stability

Année:

1990

Langue:

english

Fichier:

PDF, 364 KB

english, 1990

Copper(II) pyridinecarboxylate adducts with chelating ligands as potential antimicrobial agents

Peter Segla, Dušan Mikloš, Petra Olejníková, Barbora Kaliňáková, Daniela Hudecová, Martina Palicová, Jozef Švorec, Marian Valko, Milan Melník, Tadeusz Glowiak

Journal:

Inorganica Chimica Acta

Année:

2004

Langue:

english

Fichier:

PDF, 562 KB

english, 2004

Solution of the Graetz–Brinkman problem with the Laplace transform Galerkin method

Peter P. Valkó

Journal:

International Journal of Heat and Mass Transfer

Année:

2005

Langue:

english

Fichier:

PDF, 199 KB

english, 2005

Numerical inversion of 2-D Laplace transforms applied to fractional diffusion equations

Peter P. Valkó, Joseph Abate

Journal:

Applied Numerical Mathematics

Année:

2005

Langue:

english

Fichier:

PDF, 137 KB

english, 2005

Numerical deconvolution using system identification methods

Sandor Vajda, Keith R. Godfrey, Peter Valko

Journal:

Journal of Pharmacokinetics and Pharmacodynamics

Année:

1988

Langue:

english

Fichier:

PDF, 1.12 MB

english, 1988

On a Mathematical Model of the Productivity Index of a Well from Reservoir Engineering

Ibragimov, Akif, Khalmanova, Dinara, Valko, Peter P., Walton, Jay R.

Journal:

SIAM Journal on Applied Mathematics

Année:

2005

Langue:

english

Fichier:

PDF, 326 KB

english, 2005

[Society of Petroleum Engineers SPE Hydraulic Fracturing Technology Conference - The Woodlands, Texas (2009-01-19)] SPE Hydraulic Fracturing Technology Conference - Assigning value to stimulation in the Barnett Shale: a simultaneous analysis of 7000 plus production hystories and well completion records

Valko, Peter P.

Langue:

english

Fichier:

PDF, 1.20 MB

english

[Society of Petroleum Engineers SPE Hydraulic Fracturing Technology Conference - College Station, Texas, U.S.A. (2007-01-29)] SPE Hydraulic Fracturing Technology Conference - Predicting the Productivity of Multiple-Fractured Horizontal Gas Wells

Zhu, Ding, Magalhaes, Fellipe Vieira, Valko, Peter

Langue:

english

Fichier:

PDF, 142 KB

english

Predictive approaches to increase absorption of compounds during lead optimisation

Valko, Klara, Butler, James, Eddershaw, Peter

Journal:

Expert Opinion on Drug Discovery

Année:

2013

Langue:

english

Fichier:

PDF, 554 KB

english, 2013

Effects of litter on seedling establishment: an indoor experiment with short-lived Brassicaceae species

Tamás Miglécz, Béla Tóthmérész, Orsolya Valkó, András Kelemen, Péter Török

Journal:

Plant Ecology

Année:

2013

Langue:

english

Fichier:

PDF, 169 KB

english, 2013

[Society of Petroleum Engineers SPE Production and Operations Symposium - Oklahoma City, Oklahoma, USA (2011-03-27)] SPE Production and Operations Symposium - Hydraulic Fracture Optimization with a p-3D Model

Pitakbunkate, Termpan, Yang, Mei, Valko, Peter P., Economides, Michael John

Langue:

english

Fichier:

PDF, 1.32 MB

english

[Society of Petroleum Engineers SPE/EAGE European Unconventional Resources Conference and Exhibition - Vienna, Austria (2012-03-20)] SPE/EAGE European Unconventional Resources Conference and Exhibition - Hydraulic Fracture Production Optimization with a Pseudo-3D Model in Low-permeability, Multi-layered Lithology

Yang, Mei, Valko, Peter P., Economides, Michael John

Langue:

english

Fichier:

PDF, 1.24 MB

english

[Society of Petroleum Engineers SPE Canadian Unconventional Resources Conference - Calgary, Alberta, Canada (2012-10-30)] SPE Canadian Unconventional Resources Conference - On the Fracture Height Migration Under Unified Fracture Design Optimization

Yang, Mei, Valko, Peter P., Economides, Michael John

Langue:

english

Fichier:

PDF, 1.24 MB

english

Environmental factors driving seed bank diversity in alkali grasslands

Valkó, Orsolya, Tóthmérész, Béla, Kelemen, András, Simon, Edina, Miglécz, Tamás, Lukács, Balázs András, Török, Péter

Journal:

Agriculture, Ecosystems & Environment

Année:

2014

Langue:

english

Fichier:

PDF, 875 KB

english, 2014

On the analysis of production data: Practical approaches for hydraulically fractured wells in unconventional reservoirs

Fuentes-Cruz, Gorgonio, Gildin, Eduardo, Valkó, Peter P.

Journal:

Journal of Petroleum Science and Engineering

Année:

2014

Langue:

english

Fichier:

PDF, 1.71 MB

english, 2014

On a Mathematical Model of the Productivity Index of a Well from Reservoir Engineering

Akif Ibragimov, Dinara Khalmanova, Peter P. Valko and Jay R. Walton

Journal:

SIAM Journal on Applied Mathematics

Année:

2005

Langue:

english

Fichier:

PDF, 842 KB

english, 2005

Optimal Transformations for Multiple Regression: Application to Permeability Estimation From Well Logs

Xue, Guoping, Datta-Gupta, Akhil, Valko, Peter, Blasingame, Tom

Journal:

SPE Formation Evaluation

Année:

1997

Langue:

english

Fichier:

PDF, 377 KB

english, 1997

MATHEMATICAL FRAMEWORK OF THE WELL PRODUCTIVITY INDEX FOR FAST FORCHHEIMER (NON-DARCY) FLOWS IN POROUS MEDIA

AULISA, EUGENIO, IBRAGIMOV, AKIF, VALKO, PETER, WALTON, JAY

Journal:

Mathematical Models and Methods in Applied Sciences

Année:

2009

Langue:

english

Fichier:

PDF, 324 KB

english, 2009

[Society of Petroleum Engineers SPE Annual Technical Conference and Exhibition - Florence, Italy (2010-09-19)] SPE Annual Technical Conference and Exhibition - A Better Way To Forecast Production From Unconventional Gas Wells

Valko, Peter P., Lee, W. John

Langue:

english

Fichier:

PDF, 1.16 MB

english

Grazing vs. mowing: A meta-analysis of biodiversity benefits for grassland management

Tälle, Malin, Deák, Balázs, Poschlod, Peter, Valkó, Orsolya, Westerberg, Lars, Milberg, Per

Journal:

Agriculture, Ecosystems & Environment

Année:

2016

Langue:

english

Fichier:

PDF, 1.47 MB

english, 2016

[Society of Petroleum Engineers SPE Hydraulic Fracturing Technology Conference - The Woodlands, Texas, USA (2016-02-01)] SPE Hydraulic Fracturing Technology Conference - Hydraulic Fracture Height Predictions in Laminated Shale Formations Using Finite Element Discrete Element Method

Li, Han, Zou, Yushi, Valko, Peter P., Ehlig-Economides, Christine

Langue:

english

Fichier:

PDF, 3.60 MB

english

A New Concept of Wellbore-Boundary Condition for Modeling Liquid Loading in Gas Wells

Limpasurat, Akkharachai, Valko, Peter P., Falcone, Gioia

Journal:

SPE Journal

Année:

2015

Langue:

english

Fichier:

PDF, 1.42 MB

english, 2015

Optimization of the Productivity Index and the Fracture Geometry of a Stimulated Well With Fracture Face and Choke Skins

Romero, Diego J., Valko, Peter P., Economides, Michael J.

Journal:

SPE Production & Facilities

Année:

2003

Langue:

english

Fichier:

PDF, 983 KB

english, 2003

Establishment of three cover crop mixtures in vineyards

Miglécz, Tamás, Valkó, Orsolya, Török, Péter, Deák, Balázs, Kelemen, András, Donkó, Ádám, Drexler, Dóra, Tóthmérész, Béla

Journal:

Scientia Horticulturae

Année:

2015

Langue:

english

Fichier:

PDF, 1.18 MB

english, 2015

[Society of Petroleum Engineers SPE Improved Oil Recovery Symposium - Tulsa, Oklahoma, USA (2010-04-24)] SPE Improved Oil Recovery Symposium - Application of the Multiwell Productivity Index-Based Method to Evaluate Interwell Connectivity

Kaviani, Danial, Valko, Peter P., Jensen, Jerry L.

Langue:

english

Fichier:

PDF, 1.58 MB

english

An Investigation of Recent Deconvolution Methods for Well-Test Data Analysis

Onur, Mustafa, Cinar, Murat, Ilk, Dilhan, Valko, Peter P., Blasingame, Thomas A., Hegeman, Peter S.

Journal:

SPE Journal

Année:

2008

Langue:

english

Fichier:

PDF, 4.93 MB

english, 2008

[Society of Petroleum Engineers SPE Latin America and Caribbean Petroleum Engineering Conference - Buenos Aires, Argentina (2017-05-17)] SPE Latin America and Caribbean Petroleum Engineering Conference - Combining Physics, Statistics and Heuristics in the Decline Curve Analysis of Large Datasets in Unconventional Reservoirs

Holanda, Rafael Wanderley de, Gildin, Eduardo, Valkó, Peter P.

Langue:

english

Fichier:

PDF, 2.89 MB

english

Litter removal does not compensate detrimental fire effects on biodiversity in regularly burned semi-natural grasslands

Valkó, Orsolya, Kelemen, András, Miglécz, Tamás, Török, Péter, Deák, Balázs, Tóth, Katalin, Tóth, János Pál, Tóthmérész, Béla

Journal:

Science of The Total Environment

Année:

2018

Langue:

english

Fichier:

PDF, 930 KB

english, 2018

Combining Physics, Statistics, and Heuristics in the Decline-Curve Analysis of Large Data Sets In Unconventional Reservoirs

Wanderley de Holanda, Rafael, Gildin, Eduardo, Valko, Peter P

Journal:

SPE Reservoir Evaluation & Engineering

Année:

2018

Langue:

english

Fichier:

PDF, 1.48 MB

english, 2018

Ecosystem engineering by foxes is mediated by the landscape context-A case study from steppic burial mounds

Godó, Laura, Tóthmérész, Béla, Valkó, Orsolya, Tóth, Katalin, Kiss, Réka, Radócz, Szilvia, Kelemen, András, Török, Péter, Švamberková, Eva, Deák, Balázs

Journal:

Ecology and Evolution

Année:

2018

Langue:

english

Fichier:

PDF, 838 KB

english, 2018

Species and functional diversity of arthropod assemblages (Araneae, Carabidae, Heteroptera and Orthoptera) in grazed and mown salt grasslands

Torma, Attila, Császár, Péter, Bozsó, Miklós, Deák, Balázs, Valkó, Orsolya, Kiss, Orsolya, Gallé, Róbert

Journal:

Agriculture, Ecosystems & Environment

Année:

2019

Langue:

english

Fichier:

PDF, 1.81 MB

english, 2019

Probabilistically Mapping Well Performance in Unconventional Reservoirs With a Physics-Based Decline-Curve Model

Holanda, Rafael Wanderley de, Gildin, Eduardo, Valkó, Peter P.

Journal:

SPE Reservoir Evaluation & Engineering

Année:

2019

Langue:

english

Fichier:

PDF, 2.04 MB

english, 2019

Chromatographic separation and molecular modelling of triazines with respect to their inhibition of the growth of L1210/R71 cells

Klára Valkó, Péter Slégel

Journal:

Journal of Chromatography A

Année:

1992

Langue:

english

Fichier:

PDF, 405 KB

english, 1992

New chromatographic hydrophobicity index (ϕ0) based on the slope and the intercept of the log k′ versus organic phase concentration plot

Klára Valkó, Péter Slégel

Journal:

Journal of Chromatography A

Année:

1993

Langue:

english

Fichier:

PDF, 1.09 MB

english, 1993

Radiance distribution on densely overcast skies: comparison with cie luminance standard

Richard Kittler, Peter Valko

Journal:

Solar Energy

Année:

1993

Langue:

english

Fichier:

PDF, 397 KB

english, 1993

Kinetics of polymer degradation involving the splitting off of small molecules: Part 3—Treatment of experimental data for dehydrochlorination of PVC in an inert atmosphere

Peter Šimon, A. Gatial, Ladislav Valko

Journal:

Polymer Degradation and Stability

Année:

1990

Langue:

english

Fichier:

PDF, 360 KB

english, 1990

Kinetics of polymer degradation involving the splitting-off of small molecules: Part 6—Dehydrochlorination of PVC in an atmosphere of HCl

Peter Šimon, Ladislav Valko

Journal:

Polymer Degradation and Stability

Année:

1992

Langue:

english

Fichier:

PDF, 408 KB

english, 1992

Maximum overlap approximation calculations on polyatomic molecules: II. Calculations of dipole moments, charge distributions and carbon 13-proton coupling constants

Stanislva Miertuś, Roman Boča, Peter Pelikán, Ladislav Valko

Journal:

Chemical Physics

Année:

1975

Langue:

english

Fichier:

PDF, 406 KB

english, 1975

Maximum overlap approximation calculations on polyatomic molecules: I. EMOA method

Roman Boča, Peter Pelikán, Ladislav Valko, Stanislav Miertuš

Journal:

Chemical Physics

Année:

1975

Langue:

english

Fichier:

PDF, 510 KB

english, 1975

Crystal structures and spectroscopic behavior of monomeric, dimeric and polymeric copper(II) chloroacetate adducts with isonicotinamide, N-methylnicotinamide and N,N-diethylnicotinamide

Jan Moncol, Marcela Mudra, Peter Lönnecke, Mark Hewitt, Marian Valko, Harry Morris, Jozef Svorec, Milan Melnik, Milan Mazur, Marian Koman

Journal:

Inorganica Chimica Acta

Année:

2007

Langue:

english

Fichier:

PDF, 502 KB

english, 2007

Relationships between nucleotide incorporation rates and molecular parameters obtained by molecular modelling and chromatography

Klára Valkó, Péter Slégel

Journal:

Journal of Pharmaceutical and Biomedical Analysis

Année:

1991

Langue:

english

Fichier:

PDF, 487 KB

english, 1991

Numerical Laplace inversion in rheological characterization

Peter P Valkó, Joseph Abate

Journal:

Journal of Non-Newtonian Fluid Mechanics

Année:

2004

Langue:

english

Fichier:

PDF, 156 KB

english, 2004

Structural diversity of coordination polymers with bridging 3-pyridylmethanol ligand: New type of coordination polymer with different stereochemistry of copper(II) atom

Jan Moncol, Peter Segla, Dusan Miklos, Milan Mazur, Milan Melnik, Tadeusz Glowiak, Marian Valko, Marian Koman

Journal:

Polyhedron

Année:

2006

Langue:

english

Fichier:

PDF, 286 KB

english, 2006

Kinetic study of thermal dehydrochlorination of poly(vinyl chloride) in the presence of oxygen: III. Statistical thermodynamic interpretation of the oxygen catalytic activity

Ladislav Valko, Erik Klein, Pavel Kovařı́k, Tomáš Bleha, Peter Šimon

Journal:

European Polymer Journal

Année:

2001

Langue:

english

Fichier:

PDF, 207 KB

english, 2001

Zinc(II) trinuclear complexes involving pyridine N-oxide ligands: distortion isomerism and magnetic properties of copper(II) analogues

Milan Gembický, Peter Baran, Roman Boča, Hartmut Fuess, Ingrid Svoboda, Marián Valko

Journal:

Inorganica Chimica Acta

Année:

2000

Langue:

english

Fichier:

PDF, 117 KB

english, 2000

Displacement chromatography of oligomycins

Klára Valkó, Péter Slégel, Judit Báti

Journal:

Journal of Chromatography A

Année:

1987

Langue:

english

Fichier:

PDF, 434 KB

english, 1987

Odontogenic cervical necrotizing fasciitis

Peter C Valko, Steven M Barret, Jack P Campbell

Journal:

Annals of Emergency Medicine

Année:

1990

Langue:

english

Fichier:

PDF, 2.55 MB

english, 1990

Synthesis, spectral and magnetic properties, and crystal structures of copper(II)2-methylthionicotinate adducts with chelating ligands

Dušan Mikloš, Peter Segl'a, Martina Palicová, Miroslava Kopcová, Milan Melnı́k, Marian Valko, Tadeusz Glowiak, Maria Korabik, Jerzy Mrozinski

Journal:

Polyhedron

Année:

2001

Langue:

english

Fichier:

PDF, 147 KB

english, 2001