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Journal articles on the topic 'Odour'

Author: Grafiati

Published: 4 June 2021

Last updated: 25 July 2025

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1

Witherspoon, J. R., A. Sidhu, J. Castleberry, et al. "Odour emission estimates and control strategies using models and sampling for East Bay Municipal Utility District's collection sewage system and wastewater treatment plant." Water Science and Technology 41, no. 6 (2000): 65–71. http://dx.doi.org/10.2166/wst.2000.0094.

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For several years, public complaints regarding odours generated by East Bay Municipal Utility District's (EBMUD's) wastewater treatment plant and sewage collection system (SCS) have been increasing. In response, an Odor Control Master Plan was completed to develop near- and long-term odour abatement strategies for their wastewater system. The plan's strategies include using an advisory committee to assist in setting odour threshold levels, prioritizingodour sources, issuing an odour-status newsletter, and reviewing odour control options. The objective is to provide an odour-free community envi

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Both, R., K. Sucker, G. Winneke, and E. Koch. "Odour intensity and hedonic tone - important parameters to describe odour annoyance to residents?" Water Science and Technology 50, no. 4 (2004): 83–92. http://dx.doi.org/10.2166/wst.2004.0227.

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The Guideline on Odour in Ambient Air has been in use for many years for odour regulation in Germany . The main parameter that the odour regulation authority has to take into account is the odour frequency expressed as odour hours per year. In the guideline, limit values are given for the maximum odour frequency per year. These limit values are based on field investigations in which significant relationships between odour impact and odour annoyance was found. In these investigations, odour intensity did not yield a better description of the degree of annoyance caused to the residents. The hedo

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3

Hazlett, Brian. "Conditioned reinforcement in the crayfish Orconectes rusticus." Behaviour 144, no. 7 (2007): 847–59. http://dx.doi.org/10.1163/156853907781476409.

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AbstractThe crayfish Orconectes rusticus can form a learned association between alarm odour (an unlearned signal of elevated predation risk) and a formerly neutral odour. In this study the odours of gyrinid beetles and of the snail Campeloma decisum were each paired with alarm odour and subsequently those odours significantly reduced feeding behaviours in the presence of food odour. To test for second-order (=conditioned) reinforcement, crayfish were first exposed simultaneously to one of the neutral odours and alarm odour and later exposed simultaneously to the two formerly neutral odours. Wh

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Decottignies, V., A. Huyard, R. F. Kelly, and B. Barillon. "Development of a diagnostic tool: the wastewater collection network odour wheel." Water Science and Technology 68, no. 4 (2013): 839–47. http://dx.doi.org/10.2166/wst.2013.265.

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The assessment of nuisance odour problems and the application of an effective odour management programme for the associated industrial activity may be achieved using a representative odour wheel and Odour Profile Analysis methodology. The odour wheel is a very useful tool for conducting odour quality control monitoring and developing a constructive dialogue regarding nuisance odours with the public. Previously, odours from wastewater treatment plant activities have been identified and described with a dedicated odour wheel. The oxidation state of the organic chemicals responsible for a given o

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Suffet, I. H., and P. Rosenfeld. "The anatomy of odour wheels for odours of drinking water, wastewater, compost and the urban environment." Water Science and Technology 55, no. 5 (2007): 335–44. http://dx.doi.org/10.2166/wst.2007.196.

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In the drinking water and air pollution fields, odour quality characterisation and intensity of each odour characteristic needs to be developed to evaluate the causes of the odours present. Drinking water quality characterisation has matured to the point where an “odour wheel” is described and the primary chemicals producing the odour are known and therefore a potential treatment can be defined from the odours reported. Sufficient understanding of the types of odorous compounds that can arise from wastewater and compost treatment processes and odours in the urban environment are starting to em

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Lobmaier, Janek S., Urs Fischbacher, Urs Wirthmüller, and Daria Knoch. "The scent of attractiveness: levels of reproductive hormones explain individual differences in women's body odour." Proceedings of the Royal Society B: Biological Sciences 285, no. 1886 (2018): 20181520. http://dx.doi.org/10.1098/rspb.2018.1520.

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Individuals are thought to have their own distinctive body odour which reportedly plays an important role in mate choice. In the present study we investigated individual differences in body odours of women and examined whether some women generally smell more attractive than others or whether odour preferences are a matter of individual taste. We then explored whether levels of reproductive hormones explain women's body odour attractiveness, to test the idea that body odour attractiveness may act as a chemosensory marker of reproductive fitness. Fifty-seven men rated body odours of 28 healthy,

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Nawghare, Sonam K. "Review on Odour Assessment Ant Odour Abatement Techniques." International Journal for Research in Applied Science and Engineering Technology 12, no. 5 (2024): 3080–88. http://dx.doi.org/10.22214/ijraset.2024.62274.

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Abstract: Odour can be defined as a perception of smell or in scientific terms it can be defined as a sensation resulting from the reception of stimulus by the olfactory sensory system. Odours may cause pleasant or unpleasant sensation and is induced by inhaling volatile organic and inorganic odorants. The sources of odour may be air-borne or water-borne. Foul odour may cause ill health or respiratory symptoms, insomnia, asthama, nausea and discomfort and other environmental nuisance. Odours can be assessed either by sensory measurements or analytical measurements. There are various physical,

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Pérez, A., C. Manjón, J. V. Martínez, J. M. Juárez-Galan, B. Barillon, and L. Bouchy. "Odours in sewer networks: nuisance assessment." Water Science and Technology 67, no. 3 (2013): 543–48. http://dx.doi.org/10.2166/wst.2012.595.

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As odour nuisance can affect the quality of life, the population is more and more demanding and in many cities sewers are a critical source of odours. Both factors can lead to increasing numbers of complaints due to the odour nuisance perceived by the residents, affecting also the public image of the sewer management companies. Odours associated with sewer networks are very heterogeneous, in as much as the different ‘types of odours’ encountered are sewer site specific. The state of the art indicates that there are three parameters that play an important role with the nuisance generated by an

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McDonald, S., A. Lethorn, C. Loi, C. Joll, H. Driessen, and A. Heitz. "Determination of odour threshold concentration ranges for some disinfectants and disinfection by-products for an Australian panel." Water Science and Technology 60, no. 10 (2009): 2493–506. http://dx.doi.org/10.2166/wst.2009.662.

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Taste-and-odour complaints are a leading cause of consumer dissatisfaction with drinking water. The aim of this study was to determine odour threshold concentration ranges and descriptors, using a Western Australian odour panel, for chlorine, bromine, chlorine added to bromide ions, the four major regulated trihalomethanes (THMs), and combined THMs. An odour panel was established and trained to determine odour threshold concentration ranges for odorous compounds typically found in drinking water at 25°C, using modified flavour profile analysis (FPA) techniques. Bromine and chlorine had the sam

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Calafat, Consuelo, and Aurea Gallego-Salguero. "Livestock odour dispersion and its implications for rural tourism: case study of Valencian Community (Spain)." Spanish Journal of Agricultural Research 18, no. 2 (2020): e0106. http://dx.doi.org/10.5424/sjar/2020182-15819.

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Aim of study: To study the relationship between the problem odours caused by livestock farms and the evolution of rural tourism.Area of study: A coastal region in Spain, the Valencian Community.Material and methods: The odour emission rates of 4,984 farms have been calculated, and the ambient odour concentration was determined to assess the odour nuisance. The odour concentration was modelled by applying the Gaussian model based on emission data and the most unfavourable meteorological conditions of the 45 climatic stations distributed throughout the analysis area. The dispersion model was imp

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Gustin, Mary K., and Gary F. McCracken. "Scent recognition between females and pups in the bat Tadarida brasiliensis mexicana." Animal Behaviour 35, no. 1 (1987): 13–19. https://doi.org/10.5281/zenodo.14815811.

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(Uploaded by Plazi for the Bat Literature Project) In double-blind choice tests, lactating females of the bat Tadarida brasiliensis mexicana showed discrimination between odour obtained from the pup they nursed and odour from a randomly selected pup. Lactating females also correctly chose odour obtained from glands on their own muzzles versus odour taken from the muzzles of randomly selected lactating females. Observations of nursing behaviour in captive and natural roosts suggest that females may mark pups with odour from these glands. Experiments with pups provide no evidence that pups discr

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Zushi, Naoya, Genki Takeuchi, Midori Ogawa, et al. "A new systematic collection and classification of odour words by using a product review dataset." PLOS ONE 18, no. 8 (2023): e0289368. http://dx.doi.org/10.1371/journal.pone.0289368.

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The odours encountered on a daily basis are dependent on an individual’s society and culture. Therefore, when conducting olfactory tests, the odour stimuli utilized must be appropriate for the individual’s environment. In this study, we gathered and classified the odours experienced by Japanese individuals in their daily lives through a large dataset of product reviews encompassing food and household items. Specifically, we performed morphological analysis on product review sentences in Japanese that contained odour descriptions, and we compiled the nouns used to describe odours. A total of 61

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Hierl, Katharina, Ilona Croy, and Laura Schäfer. "Body Odours Sampled at Different Body Sites in Infants and Mothers—A Comparison of Olfactory Perception." Brain Sciences 11, no. 6 (2021): 820. http://dx.doi.org/10.3390/brainsci11060820.

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Body odours and their importance for human chemical communication, e.g., in the mother–child relationship, are an increasing focus of recent research. Precise examination of sampling methods considering physiology and feasibility aspects in order to obtain robust and informative odour samples is therefore necessary. Studies comparing body odour sampling at different body sites are still pending. Therefore, we sampled axilla, breast, and head odour from 28 mother–infant dyads and examined whether odour perception differs with regard to the body site. The participating mothers were asked to eval

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Mori, E., W. Petters, V. A. Schriever, C. Valder, and T. Hummel. "Exposure to odours improves olfactory function in healthy children." Rhinology journal 53, no. 3 (2015): 221–26. http://dx.doi.org/10.4193/rhino14.192.

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Background: Short-term exposure to odours, also called "olfactory training" has been shown to improve olfactory function in healthy people but also in people with olfactory loss. Aim of this single center, prospective, controlled study was to investigate the change of olfactory function following twice-daily, short-term exposure to 4 odours over a period of approximately 12 weeks. Material and methods: We compared odour identification abilities and odour thresholds between an olfactory training group (TR group) and a group that did not perform such training (noTR group). Participants exposed t

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Beghi, Sandra P., Jane Méri Santos, Neyval Costa Reis, Leandro Melo de Sá, Elisa Valentim Goulart, and Elza de Abreu Costa. "Impact assessment of odours emitted by a wastewater treatment plant." Water Science and Technology 66, no. 10 (2012): 2223–28. http://dx.doi.org/10.2166/wst.2012.409.

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Complaints from the Domingos Martins population about sewage odours in the city made the district attorney order an impact assessment of the odours emitted by the city wastewater treatment plant (WWTP). This study comprised various techniques, models and population surveys. In 2007, an odour emission model proved that the main hydrogen sulphide emitter was the aeration tank of the WWTP (13.5 g h–1) and such emissions, according to CALPUFF model, should be perceived in the whole Domingos Martins city centre area. In this area, 58% of those interviewed were annoyed by the WWTP odours. However, i

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Gostelow, P., and S. A. Parsons. "Sewage treatment works odour measurement." Water Science and Technology 41, no. 6 (2000): 33–40. http://dx.doi.org/10.2166/wst.2000.0090.

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Public concern over odours from sewage treatment works is increasing. More people are being exposed to odours, due to development around existing works or the construction of new works. Raised awareness of both the environment and individual rights has meant people are now more likely to complain. Odourabatement and control is a major issue for sewage works operators. To control odours, they must first be measured. This is no easy task as response to odours is subjective and our understanding of the sense of smell is incomplete. In assessing an odour nuisance, odour formation, emission, disper

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McKenzie, Kirsten J., Andrew T. Woods, Christine Leong, et al. "That smells blue! Differences between colour associations for odours and odour-evocative words." Seeing and Perceiving 25 (2012): 108–9. http://dx.doi.org/10.1163/187847612x647405.

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Strong associations exist between specific odours and colours, and these associations have been found to be both consistent within populations and over time (Gilbert et al., 1996). Experimental manipulations of these associations have shown that both taste and odour perception rely heavily upon visual cues (e.g., Blackwell, 1995; Sakai et al., 2005); participants often make errors in odour judgements when stimuli have been artificially coloured (Morrot et al., 2001), and the presence of a strongly-associated colour can greatly enhance the detection of an odour and the intensity of aromas or fl

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Hazlett, Brian. "RESPONSES TO MULTIPLE CHEMICAL CUES BY THE CRAYFISH ORCONECTES VIRILIS." Behaviour 136, no. 2 (1999): 161–77. http://dx.doi.org/10.1163/156853999501261.

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AbstractTo investigate how organisms respond to multiple cues, the responses of the crayfish Orconectes virilis to natural chemical stimuli presented both one at a time and in combinations were recorded in the laboratory. Following the introduction of predator (snapping turtle) odours, individuals decreased the rate of non-locomotory movements compared to control levels. The addition of food odour resulted in an increase in movement as well as postural changes. When both signals were presented simultaneously, the level of food-elicited movements was reduced and the extent of inhibition of food

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19

Lambert, S. D., A. L. Beaman, and P. Winter. "Olfactometric characterisation of sludge odours." Water Science and Technology 41, no. 6 (2000): 49–55. http://dx.doi.org/10.2166/wst.2000.0092.

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Conventional olfactometric techniques have been used to evaluate odours from sewage treatment and sludge storage facilities primarily in terms of odour concentration relative to their detection thresholds. However, such data conveys limited information that would be useful for determining the causes of most odours or the most appropriate remediation measures to be taken. Thispaper discusses some recent work undertaken to characterise the olfactometric profiles of different odours. Standard descriptive terms were used to characterise odours at normalised, moderately strong concentrations. These

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20

Héroux, M., T. Pagé, C. Gélinas, and C. Guy. "Evaluating odour impacts from a landfilling and composting site: involving citizens in the monitoring." Water Science and Technology 50, no. 4 (2004): 131–37. http://dx.doi.org/10.2166/wst.2004.0242.

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The City of Montreal operates a large sanitary landfill site within a densely populated urban area. Adjacent to the landfill site is a yard waste composting facility that processes 10,000 metric tons per year using the windrow technique. Over the years, numerous complaints have been received from citizens in the surrounding area regarding odours, particularly during the fall period. Aware of this nuisance, the City of Montreal wanted to identify odour sources, management operations leading to odours, and weather conditions accentuating odours, as well as to quantify actual odour impact. Forty-

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Kapinder, Tarkeshwar, and Ashok Kumar Singh. "INFLUENCE OF DIFFERENT ODOURS ON THE ASSOCIATIVE LEARNING OF LARVAL PARASITOID COTESIA PLUTELLAE (K.) (HYMENTOPTERA: BRACONIDAE)." Journal Of Advanced Zoology 42, no. 01 (2021): 20–33. http://dx.doi.org/10.17762/jaz.v42i01.2.

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The ability of insect parasitoids to learn a wide range of volatiles enables them to exploit the habitats while still maintaining their searching efficiency and achieving efficient rates of oviposition. In the present study, learning of Cotesia plutellae adults on various inexperienced odours and their memory dynamics has been studied. The odours either repelled or acted as neutral stimulus under unexperienced condition. However, they were found to be equally efficient to associate the novel odour viz. coriander, rose, vanilla, and citral with food source in an olfactometer. After experiencing

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Mahin, T. D. "Comparison of different approaches used to regulate odours around the world." Water Science and Technology 44, no. 9 (2001): 87–102. http://dx.doi.org/10.2166/wst.2001.0514.

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A number of different countries, and states and local regulatory agencies within countries, have struggled with developing effective odour regulations or guidelines. The challenge is to develop regulations or guidelines that both avoid odour annoyance conditions and are not excessively conservative. This paper will present highlights of odour regulations or guidelines in Europe, Asia, Australia, New Zealand and North America. A comparison between the different approaches will be presented. With a number of countries reporting an increase in complaints due to odours, the field of odour assessme

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Hamer, Rowena, Francis L. Lemckert, and Peter B. Banks. "Adult frogs are sensitive to the predation risks of olfactory communication." Biology Letters 7, no. 3 (2011): 361–63. http://dx.doi.org/10.1098/rsbl.2010.1127.

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Olfaction is a common sensory mode of communication in much of the Vertebrata, although its use by adult frogs remains poorly studied. Being part of an open signalling system, odour cues can be exploited by ‘eavesdropping’ predators that hunt by smell, making association with odour a high-risk behaviour for prey. Here, we show that adult great barred frogs ( Mixophes fasciolatus ) are highly attracted to odour cues of conspecifics and those of sympatric striped marsh frogs ( Limnodynastes peronii ). This attraction decreased significantly with the addition of odours of a scent-hunting predator

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McIntyre, A. "Application of dispersion modelling to odour assessment: a practical tool or a complex trap?" Water Science and Technology 41, no. 6 (2000): 81–88. http://dx.doi.org/10.2166/wst.2000.0096.

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The use of modelling techniques for predicting the dispersion of odours from wastewater treatment plants is considered in relation to both the resolution of odour problems and the design requirements for new facilities. The issues of community odour annoyance and nuisance are discussed in the context of modelling averaging times, short-term odour peaks and the nature of the individual odours. In addition, the derivation of acceptable odour annoyance criteria is discussed with a comparison of different international approaches and a practical approach to resolving design criteria is proposed. F

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Mužniece-Treija, Evita. "ODOUR STUDY WITH QUALITATIVE AND QUANTITATIVE RESEARCH METHODS IN VARIOUS DISTRICTS OF RIGA." Environment. Technology. Resources. Proceedings of the International Scientific and Practical Conference 1 (June 15, 2017): 192. http://dx.doi.org/10.17770/etr2017vol1.2643.

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Different emission sources of odours become increasingly important environmental problem which may have a negative impact on human health and quality of life. Human odour perception may be subjective, however on odour perception threshold is considered to be the odorant concentration where at least half of odour assessor’s group members confirm the existence of odour, and then it is 1 OUE /m3. Nowadays more and more advanced technologies are used to measure odour concentration. Olfactometer Scentroid SM100 allows users to accurately quantify ambient odour concentration in field. Also this equi

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Brownlee, B. G., S. L. Kenefick, G. A. MacInnis, and S. E. Hrudey. "Characterization of odorous compounds from bleached kraft pulp mill effluent." Water Science and Technology 31, no. 11 (1995): 35–40. http://dx.doi.org/10.2166/wst.1995.0396.

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Odour compounds in extracts of bleached kraft pulp mill effluent (BKME) have been characterized by olfactory gas chromatography (OGC) and gas chromatography-mass spectrometry. A variety of sulfury odours was detected by OGC in addition to woody and pulp mill-like odours. Three sulfur compounds were identified by comparison of retention times and partial mass spectra with authentic standards: dimethyl disulfide, 3-methylthiophene and thioanisole (methyl phenyl sulfide). Typical concentrations in BKME were 1, 0.05, and 0.5 μg/l, respectively. Their odour intensity is relatively low and they were

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Both, R. "Directive on odour in ambient air: an established system of odour measurement and odour regulation in Germany." Water Science and Technology 44, no. 9 (2001): 119–26. http://dx.doi.org/10.2166/wst.2001.0521.

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The legal basis for any requirement with respect to ambient air quality is the German Federal Protection Act for Ambient Air. According to §3 Federal Protection Act all odours caused by plants are defined as an annoyance. The problem is to find out whether an annoyance has to be considered as a significant disturbance. In the Directive on Odour in ambient air a complete system is designed, beginning with measurement methods and concluding with ambient air quality requirements. In the following paper the tenor of the Directive on Odour is presented, some main aspects of more than five years of

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Budarina, Olga V., Zulfiya F. Sabirova, and Zinaida V. Shipulina. "International experience of regulation of odourous substances in the ambient air (literature review)." Hygiene and sanitation 101, no. 12 (2023): 1476–81. http://dx.doi.org/10.47470/0016-9900-2022-101-12-1476-1481.

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The article provides an overview of the foreign literature data on the justification of permissible content of odourous substances in the ambient air. The process of harmonization of Russian legislation with international norms and rules, including the field of regulating atmospheric air pollution with specific odours, is shown to necessitate significantly expanding approaches to the issues of standardization and assessing environmental pollution by emissions from enterprises - odour sources. Analysis of foreign experience in odour management in the environment shows the main criteria for asse

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Matsumoto, Yukihisa, and Makoto Mizunami. "Olfactory memory capacity of the cricket Gryllus bimaculatus." Biology Letters 2, no. 4 (2006): 608–10. http://dx.doi.org/10.1098/rsbl.2006.0540.

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Olfactory learning in insects is a useful model for studying neural mechanisms underlying learning and memory, but memory storage capacity for olfactory learning in insects has not been studied. We investigate whether crickets are capable of simultaneously memorizing seven odour pairs. Fourteen odours were grouped into seven A/B pairs, and crickets in one group were trained to associate A odours with water reward and B odours with saline punishment for all the seven pairs. Crickets in another group were trained with the opposite stimulus arrangement. Crickets in all the groups exhibited signif

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Kaye, R., and K. Jiang. "Development of odour impact criteria for sewage treatment plants using odour complaint history." Water Science and Technology 41, no. 6 (2000): 57–64. http://dx.doi.org/10.2166/wst.2000.0093.

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Odour impact from a sewage treatment plant has been predicted using a Gausian plume atmospheric model (Ausplume). A wind tunnel system was used to determine the odour emission from processing units. An improved technique for odour emission rate modelling is proposed to take account of wind speeds and atmospheric stability classes. A new technique is proposed to define odour impact criteria for sewage treatment plants. The dispersion model was calibrated using two years of odour complaint data. An odour concentration of 23 OU/m3 as a one hour averaged 99.5th percentile was found to be appropria

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Fletcher, Q. E., and R. Boonstra. "Do captive male meadow voles experience acute stress in response to weasel odour?" Canadian Journal of Zoology 84, no. 4 (2006): 583–88. http://dx.doi.org/10.1139/z06-033.

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The hormonal stress response is adapted to deal with acute (short-term) stressors; however, chronic (long-term) stressors have negative effects on survival and fitness. Field and laboratory evidence suggest that voles respond behaviourally to predator odours. However, it is unknown whether voles mount an acute hormonal stress response to predator odour. We determined whether reproductively active, captive male meadow voles ( Microtus pennsylvanicus (Ord, 1815)) mounted a more pronounced hormonal stress response to weasel odour (ermine, Mustela erminea L., 1758), one of their principal mammalia

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Annett, Judith M., and Alan W. Lorimer. "Primacy and Recency in Recognition of Odours and Recall of Odour Names." Perceptual and Motor Skills 81, no. 3 (1995): 787–94. http://dx.doi.org/10.2466/pms.1995.81.3.787.

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This study examined the serial position curve for recognition of odours and recall of odour names, both with and without instructions for verbal elaboration. Participants were allocated to one of two experimental conditions, either with instructions to rehearse verbally the stimuli or with no elaboration instructions. After presentation of 17 odours, either recognition or free recall of the odours was tested immediately after presentation of the last target odour. Recognition showed evidence of primacy for the verbal elaboration condition and recency for both instruction conditions. Recall of

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Banks, Peter B., Andrew Daly, and Jenna P. Bytheway. "Predator odours attract other predators, creating an olfactory web of information." Biology Letters 12, no. 5 (2016): 20151053. http://dx.doi.org/10.1098/rsbl.2015.1053.

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Many studies have reported the aversive reactions of prey towards a predator's odour signals (e.g. urine marks), a behaviour widely thought to reduce the risk of predation by the predator. However, because odour signals persist in the environment, they are vulnerable to exploitation and eavesdropping by predators, prey and conspecifics. As such, scent patches created by one species might attract other species interested in information about their enemies. We studied this phenomenon by examining red fox investigation of odours from conspecifics and competing species in order to understand what

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Belliure, Belén, Eduardo Mínguez, and Ana De León. "Self-odour recognition in European storm-petrel chicks." Behaviour 140, no. 7 (2003): 925–33. http://dx.doi.org/10.1163/156853903770238382.

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AbstractIn common with many other species of Procellariform, the European storm-petrel (Hydrobates pelagicus) has a well-developed olfactory anatomy, and chicks are able to recognize their own nests by smell. However, it is not known which olfactory cues these birds use to locate their burrows. To find out if body scent is one of these olfactory cues we used a T-maze device to perform three different preference tests. Chicks were allowed to choose between their own odour plus their nest, and a neutral odour; between their own odour and a neutral odour (far from any nest); and finally between t

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Majid, Asifa, Niclas Burenhult, Marcus Stensmyr, Josje de Valk, and Bill S. Hansson. "Olfactory language and abstraction across cultures." Philosophical Transactions of the Royal Society B: Biological Sciences 373, no. 1752 (2018): 20170139. http://dx.doi.org/10.1098/rstb.2017.0139.

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Olfaction presents a particularly interesting arena to explore abstraction in language. Like other abstract domains, such as time, odours can be difficult to conceptualize. An odour cannot be seen or held, it can be difficult to locate in space, and for most people odours are difficult to verbalize. On the other hand, odours give rise to primary sensory experiences. Every time we inhale we are using olfaction to make sense of our environment. We present new experimental data from 30 Jahai hunter-gatherers from the Malay Peninsula and 30 matched Dutch participants from the Netherlands in an odo

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Healy, T. P., and P. C. Jepson. "The location of floral nectar sources by mosquitoes: the long-range responses of Anopheles arabiensis Patton (Diptera: Culicidae) to Achillea millefolium flowers and isolated floral odour." Bulletin of Entomological Research 78, no. 4 (1988): 651–57. http://dx.doi.org/10.1017/s0007485300015509.

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AbstractA wind-tunnel bioassay system, developed previously for the evaluation of long-range host-location stimuli, was used to investigate the responses of Anopheles arabiensis Patton to floral odours. Mosquitoes were found to respond by flight and landing to Achillea millefolium inflorescences and also to the odour of A. millefolium in the absence of visual stimuli. An air-entrainment technique was used to extract floral odours for biological and chemical testing. Both sexes of Anopheles arabiensis were found to respond to the floral odour extract. The major component of the floral odour was

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Archer, Nicholas S., Andrew Bluff, Andrew Eddy, et al. "Odour enhances the sense of presence in a virtual reality environment." PLOS ONE 17, no. 3 (2022): e0265039. http://dx.doi.org/10.1371/journal.pone.0265039.

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Virtual reality (VR) headsets provide immersive audio-visual experiences for users, but usually neglect to provide olfactory cues that can provide additional information about our environment in the real world. This paper examines whether the introduction of smells into the VR environment enhances users’ experience, including their sense of presence through collection of both psychological and physiological measures. Using precise odour administration with an olfactometer, study participants were exposed to smells while they were immersed in the popular PlayStation VR game “Resident Evil 7”. A

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Lindqvist, Anna, Anders Höglund, and Birgitta Berglund. "The Role of Odour Quality in the Perception of Binary and Higher-Order Mixtures." Perception 41, no. 11 (2012): 1373–91. http://dx.doi.org/10.1068/p7267.

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Twenty participants scaled similarities in odour quality, odour intensity and pleasantness/unpleasantness of 10 binary and 5 higher-order mixtures of 5 odorous degradation products from the polymer Polyamide 6.6. The perceived odour qualities of all binary mixtures were represented well as intermediary vectors relative to their component-odour vectors in a three-component principal components analysis. The odour qualities of the “floral/fruity” 2-pentylcyclopentan-1-one and the “sharp/cheese-like” pentanoic acid contributed profoundly to their binary mixtures, as did the “minty” cyclopentanone

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Grzelka, Agnieszka, Elżbieta Romanik, and Urszula Miller. "Odour nuisance assessment of the food industry wastewater treatment plant." E3S Web of Conferences 100 (2019): 00024. http://dx.doi.org/10.1051/e3sconf/201910000024.

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Odour nuisance generated by food industry objects is a significant problem, the result of which is often numerous complaints from local residents about the quality of air. Apart from the production process, this problem often concerns industrial wastewater treatment processes, which contribute to a large extent to the emissions of odorants from the sulphur group, including hydrogen sulphide and mercaptans. In order to estimate the odorous air quality around these types of objects, the modelling of dispersion of pollutants: odours or odorants is often used. The paper presents the results of tes

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Lyman, Brian J., and Mark A. McDaniel. "Effects of Encoding Strategy on Long-Term Memory for Odours." Quarterly Journal of Experimental Psychology Section A 38, no. 4 (1986): 753–65. http://dx.doi.org/10.1080/14640748608401624.

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The effects of various encoding tasks on long-term recognition of odours were examined. Different groups of subjects were instructed (a) to form visual images of the source of the odour, (b) to generate the name of the odour and provide a dictionary-like definition, or (c) to describe a life episode of which the odour reminded them. A no-strategy control was simply told to try to remember the odours for a subsequent recognition test. One week later, subjects performed a yes–no recognition test for the odours. The second and third groups displayed significantly higher recognition than the contr

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Bokowa, A., and J. A. Beukes. "How reliable are odour assessments?" Water Science and Technology 66, no. 10 (2012): 2049–55. http://dx.doi.org/10.2166/wst.2012.407.

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This paper will demonstrate the differences found in odour test results, when odour sampling is performed at the same sources by two different consultants. By examining two case studies, this paper will highlight that the difference between the results can be significant. Both studies are based on odour sampling programs determining the odour removal efficiency of odour control units installed at two different facilities: a pet food facility and an oil/grease recycling facility. The first study is based on odour measurements at the inlet and outlet of the unit installed by Applied Plasma Physi

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Li, Chengzhe, Hua Wang, Fangyuan Bian, Jun Yao, Lei Shi, and Xiaoming Chen. "Pupal and Adult Experience Affect Adult Response to Food Odour Components in the Flower-Visiting Butterfly Tirumala limniace." Insects 15, no. 4 (2024): 231. http://dx.doi.org/10.3390/insects15040231.

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Butterflies have the ability to learn to associate olfactory information with abundant food sources during foraging. How the co-occurrence of both food and food odours affects the learning behaviour of adults and whether butterflies perceive the odour of their surroundings and develop a preference for that odour during the pupal stage have rarely been tested. We examined the effect of experience with food odour components (α-pinene and ethyl acetate) during the pupal and adult stages on the foraging behaviour of the flower-visiting butterfly Tirumala limniace. We found that α-pinene exposure d

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Zheng, Hongguang, Yan Ma, Xiaoming Du, et al. "Evaluation of the Barrier Effect of Polylactic Acid-Modified Membrane on Odours at the Excavated Soil Interface of a Pesticide-Contaminated Site." Atmosphere 13, no. 10 (2022): 1695. http://dx.doi.org/10.3390/atmos13101695.

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Polylactic acid (PLA) is a highly promising bio-based polymer that can replace petroleum-based materials. The PLA-modified membrane has been found to effectively block soil odours in laboratory experiments, but its barrier effect at the excavated soil interfaces of actual pesticide sites requires further evaluation. This study investigates the barrier effect of the PLA-modified membrane on odours at the excavated soil interface of a pesticide-contaminated site in Guangdong Province, China. The membrane’s barrier effect on odours was comprehensively evaluated using the static chamber technique

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Witherspoon, J. R., G. Adams, W. Cain, et al. "Water Environment Research Foundation (WERF) anaerobic digestion and related processes, odour and health effects study." Water Science and Technology 50, no. 4 (2004): 9–16. http://dx.doi.org/10.2166/wst.2004.0206.

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Biosolids odour emissions can affect the ability of wastewater utilities to implement beneficial biosolids processing and reuse programs. Communities often become more sensitised and vocal about biosolids issues, once they experience odours emanating from a nearby site. Odour impacts from biosolids, including potential human health effects, have been targeted recently by many national and local newspapers, citizens' groups, and regulatory agencies, who have raised significant concerns, ranging from viable disposal methods/sites to outright bans. Many national and local regulatory agencies in t

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Durand, M. L., and A. M. Dietrich. "Contributions of silane cross-linked PEX pipe to chemical/solvent odours in drinking water." Water Science and Technology 55, no. 5 (2007): 153–60. http://dx.doi.org/10.2166/wst.2007.174.

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A commonly used plastic plumbing pipe, silane-cross-linked polyethylene (PEX-b according to European standards), was investigated using the Utility Quick Test (UQT), which is a migration/leaching protocol recommended for evaluating taste-and-odour properties of materials prior to installation in distribution systems. After exposure of new PEX pipe to chlorine, monochloramine or no disinfectant, the odours in the leachate were described as “chlorinous” if chlorine or monochloramine were present and “chemical/solvent-like” with descriptors of sweet, bitter, chemical, solvent, plastic, burnt and

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Scauzillo, Ryan C., and Michael H. Ferkin. "The effect of social odour context on the amount of time male meadow voles, Microtus pennsylvanicus, self-groom." Behaviour 157, no. 10-11 (2020): 879–900. http://dx.doi.org/10.1163/1568539x-bja10026.

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Abstract Communicational behaviours by individuals provide information for not only the intended target(s) of the signal but any non-target individual(s) that may be nearby. For terrestrial mammals a major form of communication and social information is through odours via scent marking and self-grooming. Self-grooming is a ubiquitous behaviour in mammals with the function thought to primarily be centred on personal care. But it has been found in rodents that self-grooming will occur in the presence of social odours thus potentially serving a communicative role. For example, male meadow voles (

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Lambert, S. D., and K. E. McGrath. "Can stored sludge cake be deodorised by chemical or biological treatment?" Water Science and Technology 41, no. 6 (2000): 133–39. http://dx.doi.org/10.2166/wst.2000.0102.

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The storage of sludge cake provides an opportunity for septicity to develop, withattendant odours. Moreover, the odour prevention, containment and minimisation procedures used successfully in the rest of the works may not be adaptable to sludge storage and subsequent transport and disposal. Odourscan be released throughout storage and, in addition, the subsequent movement of the cake can release high concentrations of odours which have accumulated. This paper focuses on the use of five types of chemical and biological treatment product to remediate odour in stored cake sludges: oxidising agent

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Dolgushin, M. B., A. P. Demyanov, M. Yu Martynov, et al. "Functional MRI in assessing brain cortex activation patterns in response to olfactory stimuli." Neurology, Neuropsychiatry, Psychosomatics 17, no. 1 (2025): 41–48. https://doi.org/10.14412/2074-2711-2025-1-41-48.

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Objective: quantitative assessment of the activation areas of the cerebral cortex in women and men in response to olfactory stimuli using functional magnetic resonance imaging (fMRI).Material and methods. The study included 14 non-smoking volunteers who were right-handed from birth (8 women and 6 men; mean age – 32.7±6.4 years), without anamnestic and clinical signs of diseases of the nervous system, nasopharynx and oropharynx, and without anosmia during the COVID-19 period. fMRI was performed on a Signa PET/MR 3.0 T scanner (GE Healthcare) with a 32-channel coil. Each olfactory stimulus (lave

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Li, Weifang, Weihua Yang, and Jiayin Li. "Characterization and prediction of odours from municipal sewage treatment plant." Water Science and Technology 2017, no. 3 (2018): 762–69. http://dx.doi.org/10.2166/wst.2018.233.

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Abstract One of the causes of public discomfort and complaint about odour in China is the nuisance odour, generated from the municipal sewage treatment plants. With the ability to be dispersed over a long distance, the odours can affect a large number of people. With the aim of identifying the compounds contributing the most to the overall odour emanating from municipal sewage treatment plant, and developing a prediction model for sensory odour concentration based on the compound odour activity value (OAV), odour samples from 2 days were collected at a municipal sewage treatment plant in Tianj

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Yeomans, Martin R., John Prescott, and Natalie J. Gould. "Acquired hedonic and sensory characteristics of odours: Influence of sweet liker and propylthiouracil taster status." Quarterly Journal of Experimental Psychology 62, no. 8 (2009): 1648–64. http://dx.doi.org/10.1080/17470210802557793.

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Repeated pairings of novel food-related odours with sweet tastes can result in enduring changes in sweetness of the odour alone, but have less consistent effects on odour liking. Variation in ability to taste propylthiouracil (PROP) might account for this, since PROP supertasters (ST) have been reported both to experience stronger sweetness intensity and to be more likely to dislike sweetness than do PROP nontasters (NT). Alternatively, individual differences in liking for sweetness may transfer to sweet-paired odours independently of PROP sensitivity. To explore this, evaluations of sucrose,

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