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See detailInduction of superovulation in cattle
Beckers, Jean-François ULg; Wouters-Ballman, P.; Viviers-Donnay, I. et al

Conference (1987, September 04)

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See detailNarrow-band photometry of Comet P/Giacobini-Zinner at the time of ICE encounter
Sterken, C.; Manfroid, Jean ULg

in Diversity and Similarity of Comets (1987, September 01)

Narrowband multidiaphragm photometry of comet Giacobini-Zinner, obtained shortly after ICE passed behind the comet's nucleus is summarized. Derived fluxes are presented, and Haser model production rates ... [more ▼]

Narrowband multidiaphragm photometry of comet Giacobini-Zinner, obtained shortly after ICE passed behind the comet's nucleus is summarized. Derived fluxes are presented, and Haser model production rates are given for each night data. The comet appears to be an exception to the production rate-heliocentric distance relation. [less ▲]

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See detailOn the forbidden red lines of oxygen in comets
Arpigny, Claude ULg; Manfroid, Jean ULg; Magain, Pierre ULg et al

in Diversity and Similarity of Comets (1987, September 01)

Eighteen spectra of 8 different comets observed at high and medium resolution were analyzed in the 627 to 637 nm region to determine the contributions of the (OI) red doublet and of the various NH2 lines ... [more ▼]

Eighteen spectra of 8 different comets observed at high and medium resolution were analyzed in the 627 to 637 nm region to determine the contributions of the (OI) red doublet and of the various NH2 lines present in this wavelength interval. Results confirm that there exist appreciable variations not only in the (OI)/NH2 ratio, but also in the relative intensities of the NH2 features among themselves, therefore, it is not justified to derive the (OI) line flux from the 630.0 blend, as was done in previous low-resolution work, by assuming a fixed relative strength of the NH2 emission contained in this blend. Mapping of these emissions over the coma is recommended. [less ▲]

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See detailHigh Resolution Spectroscopy and Analysis of the C[SUB]2[/SUB](0,0) Band in Comet P/Halley
Danks, A. C.; Lambert, D. L.; Sheffer, Y. et al

in Bulletin of the American Astronomical Society (1987, September 01)

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See detailHot carbon stars - More about V348 SGR
Houziaux, Léo ULg; Bouchet, P.; Heck, A. et al

in Quarterly Journal of the Royal Astronomical Society (1987), 28

New observational techniques (sensitive receivers, access to ultraviolet and infrared spectroscopy), as well as recent theoretical investigations on advanced stages of stellar evolution focus attention ... [more ▼]

New observational techniques (sensitive receivers, access to ultraviolet and infrared spectroscopy), as well as recent theoretical investigations on advanced stages of stellar evolution focus attention again on hydrogen-poor and helium-rich objects known as "carbon stars". The case of the hot peculiar variable V348 Sgr is discussed. New visible and infrared observations are presented, but the exact nature of the star remains much of an enigma. [less ▲]

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See detailPhotoelectric scans of comet Halley.
Sterken, C.; Manfroid, Jean ULg; Hutsemekers, Damien ULg et al

in Diversity and Similarity of Comets (1987, September 01)

The authors compare radial photometric scans of comet Halley obtained in April 1986 at the European Southern Observatory, La Silla, Chile, with theoretical profiles derived from Haser's model.

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See detailBiomedical risk analysis in patients with myocardial infarction
Chapelle, Jean-Paul ULg

Conference (1987, September)

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See detailHormonal Control of Female Sexual Behavior in the Japanese Quail
Delville, Y.; Balthazart, Jacques ULg

in Hormones & Behavior (1987), 21(3), 288-309

Four experiments were carried out to study the hormonal control of female receptivity and proceptivity in Japanese quail. Both aspects of reproductive behavior can be activated in a dose-dependent manner ... [more ▼]

Four experiments were carried out to study the hormonal control of female receptivity and proceptivity in Japanese quail. Both aspects of reproductive behavior can be activated in a dose-dependent manner by injections of estradiol benzoate (EB). Progesterone (P) given in addition to suboptimal doses of EB has little additional stimulatory effect. Other aspects of the reproductive physiology such as enlargement of the cloacal diameter and growth of the oviduct also seem to be controlled primarily by estrogens with little or no additive effect of P. These conclusions were confirmed by injecting egg-laying females with an antiestrogen, tamoxifen, or an antiprogestin, RU38486. Only the former had marked effects on sexual receptivity, cloacal diameter, and oviduct weight. The inhibiting effects of tamoxifen could easily be reversed by injecting females with large doses of estrogen, which demonstrates that tamoxifen acts on an estrogen-dependent mechanism and not through nonspecific effects. [less ▲]

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See detailCalcul de rayonnages - Assistance Technique part II
Rigo, Philippe ULg

Report (1987)

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See detailEvidence of marine food chains by means of stable natural carbon isotopes
Dauby, Patrick ULg; Mosora, Florentina

Conference (1987, September)

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See detailSteroid Hormones, Behavior and Sexual Dimorphism in Animals and Men: The Nature-Nurture Controversy
Schumacher, M.; Legros, Jean-Jacques ULg; Balthazart, Jacques ULg

in Experimental & Clinical Endocrinology (1987), 90(2), 129-56

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See detailPrévision des défauts de géométrie au cours du laminage à chaud des aciers
Cescotto, Serge ULg; Grober, H.; Charlier, Robert ULg et al

in Proc. de la Conf. Int. sur les Méthodes de calculs pour la Prévision des Défauts de Mise en Forme (1987, September)

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See detailDe laatste der verdoemden
Spinoy, Erik ULg

in Dietsche Warande en Belfort (1987), 132(6), 47-50

This is a review of a volume of poetry by L.M. van den Brande.

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See detailThe psychologist' roles in cardiac emergency unit
Etienne, Anne-Marie ULg; Fontaine, Ovide ULg

Poster (1987, August)

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See detailNucleotide sequence of the gene encoding the Streptomyces albus G beta-lactamase precursor
Dehottay, Philippe; Dusart, Jean; De Meester, Fabien et al

in European Journal of Biochemistry (1987), 166(2), 345-350

A 1400-base DNA fragment, which contains the gene encoding the extracellular active-site serine beta-lactamase of Streptomyces albus G previously cloned into Streptomyces lividans [Dehottay et al. (1986 ... [more ▼]

A 1400-base DNA fragment, which contains the gene encoding the extracellular active-site serine beta-lactamase of Streptomyces albus G previously cloned into Streptomyces lividans [Dehottay et al. (1986) Gene 42, 31-36], was sequenced. The gene codes for a 314-amino-acid precursor, the N-terminal region of which has the characteristics of a signal peptide. The beta-lactamase as excreted by the host strain S. lividans PD6 has a ragged N-terminus, indicating either the presence of a leader peptidase of poor specificity or the action of an aminopeptidase. The primary structure (as deduced from the nucleotide sequence) was confirmed by amino acid sequencing of a 16-residue stretch at the amino terminus of the protein, a 12-residue stretch containing the active-site serine [De Meester et al. (1987) Biochem. J. 244, 427-432] and a 23-residue stretch obtained by trypsin digestion of the protein. The beta-lactamase belongs to class A, has three half-cystine residues (one of which occurs on the amino side of the active-site serine) and is inactivated by thiol reagents. Putative ribosome binding site and terminator region were identified. [less ▲]

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See detailModélisation de la nappe aquifère de Hesbaye
Dassargues, Alain ULg; Radu, Jean-Pol ULg; Hallet, Vincent et al

Report (1987)

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See detailPhotometric variability of some CP stars
Heck, A.; Mathys, G.; Manfroid, Jean ULg

in Astronomy and Astrophysics. Supplement Series (1987), 70

The photometric data relative to twenty-three southern CP stars have been re-analysed. New or improved parameters of the lightcurves are presented for eleven of them.

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