Results 171 to 180 of about 10,143 (204)

An olfactometer for bark beetle parasites

Journal of Chemical Ecology, 1981
An "H"-type olfactometer was designed and built to test the response of bark beetle parasites to various beetle and tree host odors. The design has several advantages over other types of olfactometers. Strong air currents are not utilized, parasites have free movement in the test chamber, and a concentration gradient of test compound is maintained ...
L H, Kudon, C W, Berisford
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A mobile olfactometer for fMRI-studies

Journal of Neuroscience Methods, 2012
To perform functional magnetic resonance imaging (fMRI) studies with olfactory stimulation, the stimulation device requires special properties including those of being non-conductive and non-magnetic. It should also be easily portable and should be small enough to be stored easily when not in use.
J Ulrich, Sommer, Wakunyambo, Maboshe, Martin, Griebe, Clemens, Heiser, Karl, Hörmann, Boris A, Stuck, Thomas, Hummel   +6 more
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Setting of an Olfactometer

Physics in Medicine and Biology, 1962
The calibration of a precise olfactometer, of which the construction has been reported previously, is described. This includes a determination of the optimal dimensions of the channels and valves necessary for a correct aerodynamic performance. The most convenient scales for the flowmeters are given together with a preliminary determination of ...
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Hygroreception in olfactometer studies

Physiological Entomology, 2009
Abstract In olfactometric studies, a technique used to measure insect behavioural bias towards airborne chemicals, many of the factors that could affect the bioassay outcome other than the volatiles themselves are carefully controlled (e.g.
ANDRÉS S. MARTÍNEZ, JIM HARDIE
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Early results of an objective olfactometer

Journal of Medical Engineering & Technology, 1998
Although many people comment on their ability or inability to smell an odour, the accurate measurement of olfaction remains an elusive goal. Currently, there are no instruments available to objectively measure olfaction. This article outlines the design and early test results of a low cost, computer-based olfactometer which uses the frequency content ...
C W, Davies, K E, Donne, H B, Whittet
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An Insect Olfactometer

The Canadian Entomologist, 1966
AbstractAn olfactometer is described in which an attractive zone is established and maintained in a precisely determined location on the floor (or wall) of an observation chamber and also in the air adjacent to it. Insects must therefore manifest their normal behavior in finding their way to it.
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An Insect Olfactometer

Journal of Economic Entomology, 1926
Briefly stated, the insect olfactometer consists of a specially constructed Y-tube through which insects pass from a dark chamber, being attracted by a light suspended near the free ends of the forks of this tube. The dark chamber is attached to the base of the Y-tube, while a suction apparatus to draw odors through the forks is attached at the point ...
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Economical and Disposable Olfactometer

Annals of the Entomological Society of America, 1968
In assaying the attractant quality of the aroma produced by the male large milkweed bug, Oncopeltus fasciatus (Dallas), on the female of the species (Lener 1967) I tried various types of olfactometers, but for 1 reason or another none seemed satisfactory. Some were too difficult for me to construct with my limited resources.
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A long-duration ring test of olfactometers

1992
Abstract An air quality standard for odours is used in the Netherlands for a number of years and olfactometry plays a central role in it. The large variation in results of olfactometric measurements is a big problem in practice. Therefore, a draft guideline for olfactometric measurements was issued in the Netherlands in 1990. In order to evaluate the
Harssema, H., Heeres, P.
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A Body Capacitor-Olfactometer for Squirrels and Rats

Journal of Mammalogy, 1969
The body capacitor-olfactometer described herein was developed for the purpose of measuring quantitatively the number and duration of odor seeking (primarily food seeking) responses of wild ground squirrels (Spermophilus spp.) and rats (Rattus spp.) to various olfactory cues presented free of the in- fluence of taste, without the reward of food, and ...
W E, Howard, S D, Palmateer, R E, Marsh
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