نتایج جستجو برای: lavender scent
تعداد نتایج: 3292 فیلتر نتایج به سال:
The vomeronasal system is one of several fine-tuned scent-detecting signaling systems in mammals. However, despite significant efforts, how these receptors detect scent remains an enigma. One reason is the lack of sufficient purified receptors to perform detailed biochemical, biophysical and structural analyses. Here we report the ability to express and purify milligrams of purified, functional...
All animals harbor beneficial microbes. One way these microbes can benefit their animal hosts is by increasing the diversity and efficacy of communication signals available to the hosts. The fermentation hypothesis for mammalian chemical communication posits that bacteria in the scent glands of mammals generate odorous metabolites used by their hosts for communication and that variation in host...
introduction: test anxiety is a common phenomenon and the problematic concern of the educational system. scented essentials like lavender (angustifolia) oil and citrus aurantium (orange flower) oil have positive impact on people's physical and mental condition and anxiety. this study was designed to compare and evaluate the effects of lavender essential oil aroma and citrus aurantium essen...
SNIF-ACT (Scent-based Navigation and Information Foraging in the ACT architecture) has been developed to simulate users as they perform unfamiliar information-seeking tasks on the World Wide Web (WWW). SNIF-ACT selects actions based on the measure of information scent, which is calculated by a spreading activation mechanism that captures the mutual relevance of the contents of a WWW page to the...
scent sensitivities attribute to chemical fragrances is a lengthy one that includes everything from coughing, sneezing, gagging, shortness of breath, rhinitis and asthma attacks, to debilitating headaches, anxiety and dizziness. As a result, many workplaces and institutions — schools, hospitals and other government buildings — have some sort of scent-free or scent-reduction policy in place, whi...
The Stochastic Competitive Evolutionary Neural Tree (SCENT) is a new unsupervised neural net that dynamically evolves a representational structure in response to its training data. Uniquely SCENT requires no initial parameter setting as it autonomously creates appropriate parameterisation at runtime. Pruning and convergence are stochastically controlled using locally calculated heuristics. A th...
1. The marine gastropods Acmaea (Collisella) limatula and Acmaea (Notoacmea) scutum respond to distant predatory starfish (i.e. to starfish scent) by moving up a vertical surface. 2. The distance chemoreceptors that mediate this avoidance behaviour are located on the mantle margin. Heat cauterization of the limpets' mantle margin eliminates their responsiveness to Pisaster ochraceus scent, whil...
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