Effects of paradimethylaminoazobenzene and the antioxidant N,N′-Diphenyl-p-phenylene diamine in developing chicks

Résumé Les embryons de poulet traités au paradiméthylaminoazobenzène (PDAB) sont déformés. Le traitement au N,N-diméthyl-p-phénylène diamine (DPPD) n'immunise pas contre ces déformations, car dans ce cas, les radicaux libres formés par le PDAB n'entrent pas en jeu.

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Supported in part by a grant from the Forsyth Cancer Service.

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Summer Research Fellow, Bowman Gray School of Medicine     

Crepitin,a phytohemagglutinin fromHura crepitans

Zusammenfassung Aus dem Saft des BaumesHura crepitans wurde eine Fraktion gewonnen, die wahrscheinlich ein Lipoglykoprotein ist und hämagglutinierende und toxische Eigenschaften besitzt.     

Effects of sleep and arousal on the processing of visual information in the cat

Single units in the cat lateral geniculate nucleus and primary visual cortex show changes in both spontaneous and visually evoked firing as a function of the state of wakefulness. On arousal spontaneous firing is smoother and often reduced, whereas evoked responses are usually enhanced; the result is an increase in the signal-to-noise ratio. Single- and double-label 2-deoxyglucose autoradiographs show further that slow-wave sleep differentially depresses visually evoked activity in the deeper layers of the visual cortex.     

Sex attractant of the larch bud moth found by electroantennogram method

Zusammenfassung Mit Hilfe der Antennogramm-Methode wurdetrans-11-Tetracedenylacetat als spezifisches Attraktans für Männchen des LärchenwicklersZeiraphera diniana bestimmt. In geeigneter Konzentration ist die Attraktivität der synthetischen Substanz derjenigen virginer Weibchen ebenbürtig.

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This research was supported in part by Environmental Protection Agency Grant No. EP-00802 and by the Rockefeller Foundation.

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Contribution No. 46 of the research team for the investigation of the population dynamics of the larch bud moth, directed by Professor Dr.P. Bovey. The research was aided by the Swiss National Funds for Scientific Research.     

Combining multiple forecasts given multiple objectives

This paper is concerned with expanding the decision support capabilities of computerized forecasting systems. The expansion allows for the systematic combination of multiple forecasts and the explicit consideration of multiple objectives in the forecast selection process. The methodology used is multiple objective linear programming. Selecting an individual forecast based upon a single objective may not make the best use of available information for a variety of reasons. Combined forecasts may provide a better fit with respect to a single objective than any individual forecast. Even if an individual forecast does provide a good fit with respect to a single objective, a combined forecast may provide a better fit with respect to multiple objectives. An example is used to illustrate the expanded decision support system, its outputs and their properties.