Find Research Outputs

1997
1 Citation (Scopus)

Population needs assessment for mental health services. Prospects for the future

Caldas-de-Almeida, J. M., 1997, In : Epidemiologia e Psichiatria Sociale. 6, SUPPL. 1, p. 59-68 10 p.

Research output: Contribution to journalReview article

Portugal de 1914 a 1918

Severiano Teixeira, N., 1997, I guerra mundial: 1914-1918. J. C. (ed.). Lisboa: Edições Alfa, Vol. 2. p. 174-187 14 p. (História do Século XX).

Research output: Chapter in Book/Report/Conference proceedingChapter

34 Citations (Scopus)

Prediction of alternative structures of the molybdenum site in the xanthine oxidase-related aldehyde oxido reductase

Voityuk, A. A., Albert, K., Kostlmeier, S., Nasluzov, V. A., Neyman, K. M., Hof, P., Huber, R., Romão, M. J. & Rosch, N., 1 Jan 1997, In : Journal of the American Chemical Society. 119, 13, p. 3159-3160 2 p.

Research output: Contribution to journalArticle

9 Citations (Scopus)
Powders
Ferroelectric materials
Sol-gels
gels
composite materials
53 Citations (Scopus)
Desulfovibrio vulgaris
Hydrogenase
Oxidation-Reduction
Protons
Electrons
28 Citations (Scopus)

Removal of valeric acid from wastewaters by membrane contactors

Rodríguez, M., Viegas, R. M. C., Luque, S., Coelhoso, I. M., Crespo, J. P. S. G. & Alvarez, J. R., 24 Dec 1997, In : Journal of Membrane Science. 137, 1-2, p. 45-53 9 p.

Research output: Contribution to journalArticle

valeric acid
contactors
Toluene
Hydrodynamics
Waste Water
4 Citations (Scopus)

Representing and reasoning about concurrent actions with abductive logic programs

Li, R. & Pereira, L. M., 1 Dec 1997, In : Annals Of Mathematics And Artificial Intelligence. 21, 2-4, p. 245-303 59 p.

Research output: Contribution to journalArticle

Logic programming
Logic Programs
Concurrent
Reasoning
Acoustic waves
8 Citations (Scopus)
Plasma enhanced chemical vapor deposition
gas flow
Flow of gases
vapor deposition
flow equations
1 Citation (Scopus)

Role of the gas flow parameters on the uniformity of films produced by PECVD technique

Martins, R., Macarico, A., Ferreira, I. & Fortunato, E., 1997, In : MRS Proceedings. 467, p. 609-614 6 p.

Research output: Contribution to journalArticle

Plasma enhanced chemical vapor deposition
Flow of gases
Fluid mechanics
Analytical models
Chemical vapor deposition
3 Citations (Scopus)

Rydberg wave packets in parallel electric and magnetic fields

Moser, I., Mota-Furtado, F., O'Mahony, P. F. & Dos Santos, J. P., May 1997, In : Physical Review A. 55, 5, p. 3724-3729 6 p.

Research output: Contribution to journalArticle

Open Access
wave packets
electric fields
rubidium
magnetic fields
autocorrelation
16 Citations (Scopus)

Sanitary quality of sands from beaches of Azores Islands

Mendes, B., Urbano, P., Alves, C., Lapa, N., Morais, J., Nascimento, J. & Santos Oliveira, J. F., 1 Oct 1997, In : Water Science and Technology. 35, 11-12, p. 147-150 4 p.

Research output: Contribution to journalConference article

Beaches
beach
Sand
fecal coliform
Fungi
34 Citations (Scopus)

Seed proteins of Lupinus mutabilis

Santos, C. N. D., Ferreira, R. B. & Teixeira, A. R. N., Oct 1997, In : Journal of Agricultural and Food Chemistry. 45, 10, p. 3821-3825 5 p.

Research output: Contribution to journalArticle

Lupinus mutabilis
Lupinus
Globulins
Seed
Seeds

Semigroups arising from families of normal subgroups

Blyth, T. S. & Silva, H. J., 1 Jan 1997, In : Communications in Algebra. 25, 3, p. 943-954 12 p.

Research output: Contribution to journalArticle

Normal subgroup
Monoid
Semigroup
Ockham Algebra
Group of Units

Semigroups of order preserving mappings on a finite chain: A new class of divisors

Fernandes, V. H., 1997, In : Semigroup Forum. 54, 2, p. 230-236

Research output: Contribution to journalArticle

6 Citations (Scopus)
Naltrexone
Family Therapy
Portugal
Heroin
family therapy
37 Citations (Scopus)

Shear induced textures of thermotropic acetoxypropylcellulose

Riti, J. B., Cidade, M. T., Godinho, M. H., Martins, A. F. & Navard, P., 1 Jan 1997, In : Journal Of Rheology. 41, 6, p. 1247-1260 14 p.

Research output: Contribution to journalArticle

Open Access
Light scattering
light scattering
textures
Textures
shear
3 Citations (Scopus)

Shopfloor integration and multiagent based supervision

Camarinha-Matos, L. M., Barata Oliveira, J. A. & Flores, L., 1997, IEEE International Conference on Intelligent Engineering Systems, Proceedings, INES. IEEE, p. 457-462 6 p.

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Industrial robots
Computer software maintenance
Controllers
Computer hardware
Welding

Spectroscopic characterization of the nitrate reductase from Pseudomonas nautica 617 - Pseudomonas nautica nitrate reductase

Carneiro, C., Besson, S., Moura, J. J. G., Moura, I. & Fauque, G., 1997, Spectroscopy of Biological Molecules : Modern Trends. Carmona, P., Navarro, R. & Hernanz, A. (eds.). Springer Netherlands, p. 181-182

Research output: Chapter in Book/Report/Conference proceedingChapter

18 Citations (Scopus)

Speed photodetectors based on amorphous and microcrystalline silicon p-i-n devices

Vieira, M., 13 Jan 1997, In : APPLIED PHYSICS LETTERS. 70, 2, p. 220-222 3 p.

Research output: Contribution to journalArticle

amorphous silicon
photometers
illumination
sensors
silicon

Spínola, António

Severiano Teixeira, N., 1997, Dicionário de História do Estado Novo. Rosas, F. & de Brito, B. (eds.). Lisboa: Círculo de Leitores, Vol. 2. p. 956-958 3 p.

Research output: Chapter in Book/Report/Conference proceedingEntry for encyclopedia/dictionary

10 Citations (Scopus)

Spray-deposited metal oxide films with various properties for micro- and optoelectronic applications: Growth and characterization

Malik, A., Seco, A., Nunes, R., Vieira, M., Fortunato, E. & Martins, R., 1997, In : MRS Proceedings. 471, p. 47-52 6 p.

Research output: Contribution to journalArticle

Optoelectronic devices
Oxide films
Metals
Spray pyrolysis
Productivity
18 Citations (Scopus)
Chalcone
Ground state
Chlorides
Salts
Acids
7 Citations (Scopus)
Microcrystalline silicon
Amorphous silicon
amorphous silicon
Optical properties
optical properties
80 Citations (Scopus)

Structure and function of molybdopterin containing enzymes

Romão, M. J., Knäblein, J., Huber, R. & Moura, J. J. G., 5 Sep 1997, In : Progress in Biophysics and Molecular Biology. 68, 2-3, p. 121-144 24 p.

Research output: Contribution to journalArticle

Enzymes
Peptides
molybdenum cofactor
61 Citations (Scopus)

Study of the thermal decomposition of 2-Azidoacetic acid by photoelectron and matrix isolation infrared spectroscopy

Dyke, J. M., Groves, A. P., Morris, A., Ogden, J. S., Dias, A. A., Oliveira, A. M. S., Costa, M. L., Barros, M. T., Cabral, M. H. & Moutinho, A. M. C., 23 Jul 1997, In : Journal of the American Chemical Society. 119, 29, p. 6883-6887 5 p.

Research output: Contribution to journalArticle

Photoelectrons
Infrared spectroscopy
Spectrum Analysis
Pyrolysis
Hot Temperature
51 Citations (Scopus)

Synthesis of phenanthridines by radical C(aryl)-C(aryl) coupling

Rosa, A. M., Lobo, A. M., Branco, P. S., Prabhakar, S. & Pereira, A. M. D. L., 6 Jan 1997, In : Tetrahedron. 53, 1, p. 269-284 16 p.

Research output: Contribution to journalArticle

Aniline Compounds
Phenanthridines
Hydrogen
Carbon
Derivatives
146 Citations (Scopus)

Testing for unit roots with breaks: Evidence on the great crash and the unit root hypothesis reconsidered

Nunes, L. C., Newbold, P. & Kuan, C. M., Nov 1997, In : Oxford Bulletin of Economics and Statistics. 59, 4, p. 435-448 14 p.

Research output: Contribution to journalArticle

Unit Root
Crash
Testing
evidence
Null
74 Citations (Scopus)

The 2.4 Å resolution crystal structure of boar seminal plasma PSP-I/PSP-II: a zona pellucida-binding glycoprotein heterodimer of the spermadhesin family built by a CUB domain architecture

Varela, P. F., Romero, A., Sanz, L., Romão, M. J., Töpfer-Petersen, E. & Calvete, J. J., 12 Dec 1997, In : Journal of Molecular Biology. 274, 4, p. 635-649 15 p.

Research output: Contribution to journalArticle

Semen
Primary Spontaneous Pneumothorax
spermadhesin
Zona Pellucida Glycoproteins
Galectins
58 Citations (Scopus)

The Bacillus subtilis L-arabinose (ara) operon: nucleotide sequence, genetic organization and expression

Sá-Nogueira, I., Nogueira, T. I. V., Soares, S. & de Lencastre, H., Mar 1997, In : Microbiology-Sgm. 143 ( Pt 3), p. 957-69 13 p.

Research output: Contribution to journalArticle

Arabinose
Operon
Bacillus subtilis
ribulokinase
L-arabinose isomerase
47 Citations (Scopus)
Tin
Hydrides
tributyltin
azobis(isobutyronitrile)
124 Citations (Scopus)

The crystal structures of two spermadhesins reveal the CUB domain fold

Romero, A., Romão, M. J., Varela, P. F., Kölln, I., Dias, J. M., Carvalho, A. L., Sanz, L., Töpfer-Petersen, E. & Calvete, J. J., 1 Jan 1997, In : Nature Structural Biology. 4, 10, p. 783-788 6 p.

Research output: Contribution to journalArticle

Crystal structure
Semen
Lectins
Ovum
Spermatozoa
6 Citations (Scopus)

The formate dehydrogenase isolated from the aerobe Methylobacterium sp. RXM is a molybdenum-containing protein

Duarte, R. O., Reis, A., Gírio, F., Moura, I., Moura, J. J. G. & Collaço, T. A., 3 Jan 1997, In : Biochemical And Biophysical Research Communications. 230, 1, p. 30-34 5 p.

Research output: Contribution to journalArticle

Methylobacterium
Formate Dehydrogenases
Molybdenum
Paramagnetic resonance
Temperature
1 Citation (Scopus)

The good monopoly? A case for joint ownership of competing systems

Barros, P. P. & Nogueira Leite, A., Mar 1997, In : Information Economics and Policy. 9, 1, p. 19-36 18 p.

Research output: Contribution to journalArticle

Joint ownership
Monopoly
Ownership
Competitors
Consumer value
23 Citations (Scopus)
Aldehyde Oxidoreductases
Desulfovibrio gigas
Molybdenum
Xanthine Oxidase
Sulfur
30 Citations (Scopus)
Desulfovibrio vulgaris
Oxidation-Reduction
Theoretical Models
Propionates
Heme
9 Citations (Scopus)

The primary structure of the split-Soret cytochrome c from Desulfovibrio desulfuricans ATCC 27774 reveals an unusual type of diheme cytochrome c

Devreese, B., Costa, C., Demol, H., Papaefthymiou, V., Moura, I., Moura, J. J. G. & Van Beeumen, J., 1 Jan 1997, In : European Journal Of Biochemistry. 248, 2, p. 445-451 7 p.

Research output: Contribution to journalArticle

Desulfovibrio desulfuricans
Cytochromes c
Sulfates
Archaeoglobus fulgidus
Genes
1 Citation (Scopus)

The primary structure of the β subunit of Desulfovibrio desulfuricans (ATCC 27774) [NiFe] hydrogenase

Franco, R., Calvete, J. J., Thole, H. H., Raida, M., Moura, I. & Moura, J. J. G., Apr 1997, In : Protein And Peptide Letters. 4, 2, p. 131-138 8 p.

Research output: Contribution to journalArticle

Desulfovibrio desulfuricans
Electrospray ionization
Electrospray Ionization Mass Spectrometry
Protein Sequence Analysis
Mass spectrometry

The PRODNET platform for production planning and management in virtual enterprises

Camarinha-Matos, L. M., Lima, C. & Osorio, A. L., 8 Oct 1997, Proceedings of ICE’97- Int. Conf. On Concurrent Enterprising.

Research output: Chapter in Book/Report/Conference proceedingForeword/postscript

Planning
Industry
Computer networks
Communication
Electronic data interchange
4 Citations (Scopus)

Thermodynamics of binary liquid mixtures of partially deuterated methanes with CH4 or CD4

Lopes, J. N. C., Calado, J. C. G., Rebelo, L. P. N., Ponte, M. N. D. & Staveley, L. A. K., 1 Jun 1997, In : Journal of Chemical Physics. 106, 21, p. 8799-8805 7 p.

Research output: Contribution to journalArticle

Methane
Vapor pressure
methane
vapor pressure
Thermodynamics
15 Citations (Scopus)
Sister Chromatid Exchange
Poly(ADP-ribose) Polymerases
Mitomycin
Down Syndrome
Lymphocytes

The three-dimensional structure of mammalian spermadhesins determined by x-ray crystallography

Romero, A., Varela, P. F., Romao, M. J., Sanz, L., TopferPetersen, E. & Calvete, J. J., 1997, In : European Journal Of Cell Biology. 74, p. 13-13

Research output: Contribution to journalMeeting Abstract

Towards the virtual enterprise in food industry

Camarinha-Matos, L. M., Carelli, R., Pellicer, J. & Martin, M., 14 May 1997, Re-engineering for Sustainable Industrial Production. p. 73-84 12 p.

Research output: Chapter in Book/Report/Conference proceedingForeword/postscript

Food supply
Petri nets
Supply chains
Industry
7 Citations (Scopus)

Twin-boundary effect on the Hall conductivity in high-Tc superconducting thin films

Casaca, A., Bonfait, G., Getta, M., Lenkens, M. & Müller, G., 1 Sep 1997, In : Physical Review B - Condensed Matter And Materials Physics. 56, 9, p. 5677-5682 6 p.

Research output: Contribution to journalArticle

conductivity
thin films
electrical resistivity
signatures
high temperature superconductors

Update-programs can update programs

Alferes, J. J. A., 1 Jan 1997, Lecture Notes in Artificial Intelligence. Vol. 1216. p. 110-131

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Open Access
1 Citation (Scopus)

UV enhanced and solar blind photodetectors based on large-band-gap materials

Malik, A. & Martins, R., 1997, In : Materials Science Forum. 258-263, 9993, p. 1425-1430 6 p.

Research output: Contribution to journalConference article

Zinc sulfide
Photodetectors
Quantum efficiency
Energy gap
Space applications
7 Citations (Scopus)

Vapor pressure of partially deuterated methanes (CH3D, CH2D2, and CHD3)

Calado, J. C. G., Lopes, J. N. C., Ponte, M. N. D. & Rebelo, L. P. N., 1 Jun 1997, In : Journal of Chemical Physics. 106, 21, p. 8792-8798 7 p.

Research output: Contribution to journalArticle

Methane
Vapor pressure
vapor pressure
methane
Isotopes
36 Citations (Scopus)
polarization (charge separation)
Semiconductor materials
membranes
Membranes
Electrons
4 Citations (Scopus)

Visualization and interaction tools for aerial photograph mosaics

Fernandes, J. P., Fonseca, A., Pereira, L., Faria, A., Figueira, H., Henriques, I., Garção, R. & Câmara, A., 1 Jan 1997, In : Computers and Geosciences. 23, 4, p. 465-474 10 p.

Research output: Contribution to journalArticle

orthophoto
World Wide Web
aerial photograph
navigation
visualization