| Issue Date | Title | Author(s) | Type | Access |
| 1 | 1998 | Optimal cutting directions and rectangle orientation algorithm | Almeida, A. M. C. ; Martins, Ernesto Q. V. ; Rodrigues, Rosália D. | article | openAccess |
| 2 | 1998 | Preparation and Electrooxidative SO-Extrusion of Halogenated 7-Thiabicyclo[2.2.1]heptene 7-Oxides | Thiemann, Thies ; Melo, M. Luísa Sá e ; Neves, André S. Campos ; Li, Yuanqiang ; Mataka, Shuntaro ; Tashiro, Masashi ; Geißler, Uwe ; Walton, David | article | openAccess |
| 3 | 6-Feb-1998 | Efeito do "stress" oxidativo nos mecanismos que regulam a libertação de neurotransmissores nas células da retina em cultura | Agostinho, Paula Maria Garcia | doctoralThesis | embargoedAccess |
| 4 | 1998 | Sistemas cerâmicos : as cerâmicas de alumina vitro-infiltradas e as vitro-cerâmicas com cristais de leucite | Tondela, João Paulo dos Santos | doctoralThesis | openAccess |
| 5 | 1998 | Desenvolvimento de ambientes virtuais para o ensino da física | Trindade, Jorge ; Fiolhais, Carlos | conferenceObject | openAccess |
| 6 | 1998 | Ambientes virtuais e aprendizagem da física | Trindade, Jorge ; Fiolhais, Carlos | conferenceObject | openAccess |
| 7 | 1998 | A modified swift law for prestrained materials | Fernandes, J. V. ; Rodrigues, D. M. ; Menezes, L. F. ; Vieira, M. F. | article | openAccess |
| 8 | 1998 | Factores e contextos vocacionais : novas orientações para um novo milénio | Santos, Eduardo J. R. ; Ferreira, Joaquim Armando | article | openAccess |
| 9 | 1-Jan-1998 | Theory of Anodic Stripping Voltammetry at Wall-Jet Electrodes. Simulation of Spatially Differential Stripping and Redeposition Phenomena | Ball, Jon C. ; Compton, Richard G. ; Brett, Christopher M. A. | article | openAccess |
| 10 | Dec-1998 | Sobre uma inscrição romana da Rua da Madalena, em Lisboa | Encarnação, José d' ; Fernandes, Lídia | article | openAccess |
| 11 | 27-Aug-1998 | Quasiclassical Trajectory Study of the Environmental Reaction O + HO2 → OH + O2 | Wang, W. ; González-Jonte, R. ; Varandas, A. J. C. | article | openAccess |
| 12 | 1998 | Histograms and associated point processes | Jacob, Pierre ; Oliveira, Paulo Eduardo | preprint | openAccess |
| 13 | 1998 | A central limit theorem for associated variables | Oliveira, Paulo Eduardo | preprint | openAccess |
| 14 | 1998 | Uns e Outros | Santos, Eduardo João Ribeiro dos | article | openAccess |
| 15 | 1998 | Contratos de patrocínio publicitário («sponsoring») | Pereira, Alexandre Libório Dias | article | openAccess |
| 16 | 1998 | Asymptotic distribution for a discrete version of integrated square error of multivariate density kernel estimators | Tenreiro, Carlos | article | closedAccess |
| 17 | Nov-1998 | Visitas à Banda Desenhada | Santos, Helena | workingPaper | openAccess |
| 18 | 23-Jun-1998 | Estudo bio-hidráulico de canais de drenagem na região do Baixo Mondego | Mendes, Helena Cristina Vaz Serra Pacheco Morais Azevedo | doctoralThesis | embargoedAccess |
| 19 | 1998 | On the supraconvergence of elliptic finite difference schemes | Ferreira, J. A. ; Grigorieff, R. D. | article | openAccess |
| 20 | 1998 | On the stationary Boussinesq-Stefan problem with constitutive power-laws | Rodrigues, José Francisco ; Urbano, José Miguel | article | openAccess |
| 21 | 1998 | On the number of invariant polynomials of the product of matrices with prescribed similarity classes | Zhang, Yu Lin | article | openAccess |
| 22 | 1998 | Effects of flavor asymmetric media on pion and kaon properties | Sousa, C. A. de ; Ruivo, M. C. | article | openAccess |
| 23 | 1998 | A block active set algorithm for large-scalequadratic programming with box constraints | Fernandes, L. ; Fischer, A. ; Júdice, J. ; Requejo, C. ; Soares, J. | article | openAccess |
| 24 | 1998 | Weak convergence in Lp(0,1) of the uniform empirical process under dependence | Oliveira, P. E. ; Suquet, Ch. | article | openAccess |
| 25 | 1998 | Another approach to topological descent theory | Sobral, Manuela | preprint | openAccess |
| 26 | 1998 | Mean square error for histograms when estimating Radon-Nikodym derivatives | Oliveira, Paulo Eduardo | preprint | openAccess |
| 27 | 1998 | Separable Kripke structures are algebraically universal | Pinto, M. C. | preprint | openAccess |
| 28 | 1998 | Cellulose Derivatives Membranes as Supports for Immobilisation of Enzymes | Murtinho, D. ; Lagoa, A. R. ; Garcia, F. A. P. ; Gil, M. H. | article | openAccess |
| 29 | 1998 | Energy switching potential energy surfaces and spectra of the van der Waals modes for the ArHCN molecule | Varandas, A. J. C. ; Rodrigues, S. P. J. ; Gomes, P. A. J. | article | openAccess |
| 30 | 1998 | Diffusion coefficients in aqueous solutions of potassium chloride at high and low concentrations | Lobo, Victor M. M. ; Ribeiro, Ana C. F. ; Verissimo, Luis M. P. | article | openAccess |
| 31 | 1998 | Molecular structure and vibrational spectra of methyl cyanoacetate: an FT-IR, raman and ab initio molecular orbital study | Neta, João Miguel F. ; Fausto, Rui | article | openAccess |
| 32 | 1998 | On a Darcy-Stefan Problem arising in freezing and thawing of saturated porous media | Rodrigues, José Francisco ; Urbano, José Miguel | preprint | openAccess |
| 33 | 18-Feb-1998 | Intramolecular Cycloaddition of Imines of Cysteine Derivatives | Cabral, Ana M. T. D. P. V. ; Gonsalves, António M. d'A. Rocha ; Melo, Teresa M. Pinho e | article | openAccess |
| 34 | 1998 | First direct observation of time-reversal non-invariance in the neutral-kaon system | Angelopoulos, A. ; Apostolakis, A. ; Aslanides, E. ; Backenstoss, G. ; Bargassa, P. ; Behnke, O. ; Benelli, A. ; Bertin, V. ; Blanc, F. ; Bloch, P. ; Carlson, P. ; Carroll, M. ; Cawley, E. ; Charalambous, S. ; Chertok, M. B. ; Danielsson, M. ; Dejardin, M. ; Derre, J. ; Ealet, A. ; Eleftheriadis, C. ; Faravel, L. ; Fetscher, W. ; Fidecaro, M. ; Filipcic, A. ; Francis, D. ; Fry, J. ; Gabathuler, E. ; Gamet, R. ; Gerber, H. -J. ; Go, A. ; Haselden, A. ; Hayman, P. J. ; Henry-Couannier, F. ; Hollander, R. W. ; Jon-And, K. ; Kettle, P. -R. ; Kokkas, P. ; Kreuger, R. ; Le Gac, R. ; Leimgruber, F. ; Mandic, I. ; Manthos, N. ; Marel, G. ; Mikuz, M. ; Miller, J. ; Montanet, F. ; Muller, A. ; Nakada, T. ; Pagels, B. ; Papadopoulos, I. ; Pavlopoulos, P. ; Policarpo, A. ; Polivka, G. ; Rickenbach, R. ; Roberts, B. L. ; Ruf, T. ; Santoni, C. ; Schäfer, M. ; Schaller, L. A. ; Schietinger, T. ; Schopper, A. ; Tauscher, L. ; Thibault, C. ; Touchard, F. ; Touramanis, C. ; Van Eijk, C. W. E. ; Vlachos, S. ; Weber, P. ; Wigger, O. ; Wolter, M. ; Zavrtanik, D. ; Zimmerman, D. | article | openAccess |
| 35 | Mar-1998 | Vibrational spectra of acid and alkaline glycine salts | Rosado, Mário T ; Duarte, Maria Leonor T. S. ; Fausto, Rui | article | openAccess |
| 36 | 1998 | The synthesis and characterization of new polymerizable pyrimidines: Immobilization of the monomers onto hydrophilic graft copolymeric supports through radiation-induced copolymerization-grafting | Pegiadou, S. ; Guthrie, J. T. ; Gill, M. H. | article | openAccess |
| 37 | 1998 | Membrane domain formation by calcium-dependent, lipid-binding proteins: insights from the C2 motif | Hinderliter, Anne K. ; Almeida, Paulo F. F. ; Biltonen, Rodney L. ; Creutz, Carl E. | article | openAccess |
| 38 | 1998 | A three-dimensional quantum mechanical study of the atmospheric reaction: infinite-order sudden approximation and novel adiabatic approaches vs. quasiclassical trajectories | Varandas, A. J. C. ; Szichman, H. | article | openAccess |
| 39 | 1998 | Optical response of monolayer films of a metal-free sulfonamido-porphyrin | Richardson, T. ; Smith, V. C. ; Johnstone, R. A. W. ; Sobral, A. J. F. N. ; Rocha-Gonsalves, A. M. d'A. | article | openAccess |
| 40 | 1998 | Modelling intramolecular electron transfer reactions in cytochromes and in photosynthetic bacteria reaction centres | Arnaut, Luís G. ; Formosinho, Sebastião J. | article | openAccess |
| 41 | 1998 | On the O2(v')+O2(v'') atmospheric reaction. II. The role of rotational excitation | Wang, W. ; C. Varandas, A. J. | article | openAccess |
| 42 | 1998 | Electroreduction of oxygen on a (100)-like polycrystalline gold surface in an alkaline solution containing Pb(II) | Paliteiro, Carlos ; Martins, Natércia | article | openAccess |
| 43 | 1998 | Quasi-ab initio dynamics: a test trajectory study of the reaction using energies and gradients based on scaling of the external correlation | Varandas, A. J. C. ; Abreu, P. E. | article | openAccess |
| 44 | Jul-1998 | Perspectivas de acção sindical no Brasil e em Portugal: considerações preliminares a partir de exemplos pontuais | Silva, Leonardo Mello e | workingPaper | openAccess |
| 45 | 27-Jan-1998 | Estudos de catálise enantiosselectiva : novos catalisadores para reacções de hidrogenação, hidroformilação e hidroboração | Serra, Maria Elisa da Silva | doctoralThesis | openAccess |
| 46 | Jun-1998 | Inovações democráticas na gestão pública: a experiência do Orçamento Participativo de Porto Alegre (Brasil) | Fedozzi, Luciano | workingPaper | openAccess |
| 47 | Jul-1998 | São Tomé e Príncipe: instabilidade política e crise económica num micro-Estado insular | Seibert, Gerhard | workingPaper | openAccess |
| 48 | Jul-1998 | Globalization, the "new tigers" and the end of the developmental state? Southeast Asia and the Celtic Tiger | O'Hearn, Denis | workingPaper | openAccess |
| 49 | May-1998 | Um amor de 500 anos: irmandade e ambiguidade nas relações entre Brasil e Portugal | Gomes, Artur Nunes | workingPaper | openAccess |
| 50 | May-1998 | Direitos Humanos e Volúpia Punitiva: O Caso do Brasil | Singer, Helena | workingPaper | openAccess |
