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Thematische Bibliographien / Geometridae Food / Zeitschriftenartikel

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Zeitschriftenartikel zum Thema „Geometridae Food“

Autor: Grafiati

Veröffentlicht am 4. Juni 2021

Zuletzt aktualisiert am 30. Januar 2023

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1

Segar, Simon T., Martin Volf, Brus Isua, Mentap Sisol, Conor M. Redmond, Margaret E. Rosati, Bradley Gewa et al. „Variably hungry caterpillars: predictive models and foliar chemistry suggest how to eat a rainforest“. Proceedings of the Royal Society B: Biological Sciences 284, Nr. 1866 (08.11.2017): 20171803. http://dx.doi.org/10.1098/rspb.2017.1803.

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A long-term goal in evolutionary ecology is to explain the incredible diversity of insect herbivores and patterns of host plant use in speciose groups like tropical Lepidoptera. Here, we used standardized food-web data, multigene phylogenies of both trophic levels and plant chemistry data to model interactions between Lepidoptera larvae (caterpillars) from two lineages (Geometridae and Pyraloidea) and plants in a species-rich lowland rainforest in New Guinea. Model parameters were used to make and test blind predictions for two hectares of an exhaustively sampled forest. For pyraloids, we relied on phylogeny alone and predicted 54% of species-level interactions, translating to 79% of all trophic links for individual insects, by sampling insects from only 15% of local woody plant diversity. The phylogenetic distribution of host-plant associations in polyphagous geometrids was less conserved, reducing accuracy. In a truly quantitative food web, only 40% of pair-wise interactions were described correctly in geometrids. Polyphenol oxidative activity (but not protein precipitation capacity) was important for understanding the occurrence of geometrids (but not pyraloids) across their hosts. When both foliar chemistry and plant phylogeny were included, we predicted geometrid–plant occurrence with 89% concordance. Such models help to test macroevolutionary hypotheses at the community level.

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Vasilenko, S. V., E. A. Beljaev und V. V. Dubatolov. „GEOMETRID MOTHS (LEPIDOPTERA, GEOMETRIDAE) OF THE LOWER AMUR. MESSAGE II“. Amurian Zoological Journal 5, Nr. 4 (2013): 408–28. http://dx.doi.org/10.33910/1999-4079-2013-5-4-408-428.

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3

Itämies, Juhani, und Gergely Várkonyi. „Notes on the biology of Entephria polafa (Lepidoptera, Geometridae)“. Entomologica Fennica 8, Nr. 2 (01.06.1997): 87–88. http://dx.doi.org/10.33338/ef.83923.

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A new food plant, Empetrum nigrum ssp. hermaphroditum (Hagerup) Böcher, is reported ror Entephria polata.Larvae were observed to live on the buds of the plant in early summer. The find is discussed and the older records reviewed.

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Schmidt, Olga. „Larval food plants of Australian Larentiinae (Lepidoptera: Geometridae) - a review of available data“. Biodiversity Data Journal 4 (21.03.2016): e7938. http://dx.doi.org/10.3897/bdj.4.e7938.

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5

Butler, Linda. „FOOD PLANT STUDIES FOR THE HALF-WING GEOMETER, PHIGALIA TITEA (CRAMER) (LEPIDOPTERA: GEOMETRIDAE)“. Canadian Entomologist 117, Nr. 5 (Mai 1985): 547–51. http://dx.doi.org/10.4039/ent117547-5.

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AbstractDuring 1983, collections and observations of the half-wing geometer, Phigalia titea (Cramer), were made in 2 counties of eastern West Virginia where the species had caused heavy defoliation of hardwoods in the previous 2 years. Larvae were observed on 41 species of host plants in the field. Host–plant evaluations for 69 species were made in the laboratory with 1st-instar larvae. According to criteria of response/developmental time of larvae, 33 plants were categorized as highly acceptable, 12 as acceptable, 20 as unacceptable, and 4 as toxic.

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Spitzer, Karel, Josef Jaroš und Ingvar Svensson. „Geographical variation in food plant selection of Eupithecia gelidata Möschler, 1860 (Lepidoptera, Geometridae)“. Entomologica Fennica 2, Nr. 1 (01.01.1991): 33–36. http://dx.doi.org/10.33338/ef.83506.

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The relict bog populations of Eupithecia gelidata Möschl. in South Bohemia are obligatorily associated with Ledum palustre L., which is here the dominant shrub, all Salix species being absent. In the subarctic and boreal populations of E. gelidata, altemative food plants are willows (Salix spp.). Under laboratory conditions, larvae of the Bohemian populations can accomplish their development feeding on Salix, but Ledum is clearly preferred. The larvae living on Ledum and Salix are usually differently coloured. Thus, in spite of the different food plants and coloration of the larvae, the species seems to be taxonomically homogeneous.

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Kula, Emanuel, Alena Pešlová, Petr Martinek und Pavel Mazal. „Effects of nitrogen on bionomics and food consumption of Cabera pusaria (Lepidoptera: Geometridae)“. Entomologica Fennica 25, Nr. 1 (15.04.2014): 6–15. http://dx.doi.org/10.33338/ef.41465.

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Birches, Betula pendula Roth, grown in pots were fertilized with ammonium nitrate (NH4 NO3) in the amounts of 0 g, 0.5 g, 1 g and 1.5 g per plant four times per season on moist soil surface with subsequent gradual dissolution by watering. Cabera pusaria caterpillars from laboratory w ere fed on leaves with different content of nitrogen (19.2 - 47.4 mg×g-1 ). The excessive content of nitrogen in food appeared to be a stress factor as it increased mortality and development time of the caterpillars, decreased food consumption and weight of larvae and pupae, and caused anomalies at pupation. This is as expected for a summer-feeding caterpillar feeding on foliage with seasonally decreasing concentration of nitrogen.

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Recher, Harry F., und William E. Davis Jr. „Foraging Ecology of a Mulga Bird Community“. Wildlife Research 24, Nr. 1 (1997): 27. http://dx.doi.org/10.1071/wr96052.

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Mulga is a distinctive woodland or shrub community with a wide distribution across the semi-arid zone of southern and central Australia. Mulga (Acacia aneura) is the dominant shrub and small tree, but other species of Acacia are common. Typical of Australian habitats in the arid zone, mulga has a core of resident bird species that is augmented by nomadic (opportunistic) species when conditions are favourable. This paper describes the foraging behaviour and habitat use of a mulga avifauna in the vicinity of Alice Springs during late winter, when many opportunistic species were present. Data were obtained for 24 species, of which 16 were confirmed as nesting. Many birds, regardless of their normal foraging habits, converged on a common food resource: a geometrid moth (Geometridae) that was abundant on mulga plants. Despite their use of a common food resource, species differed in their foraging behaviour, proportions of different substrates used, and foraging heights. Ground-foraging species dominated the avifauna, but in most respects the guild structure of the community was a scaled-down version of Eucalyptus forest avifaunas. Differences in guild structure between mulga and eucalypt forest are best explained by differences between the two habitats in the kinds of resources (e.g. foraging substrates, types of food) that are available.

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Vasilenko, S. V., E. A. Beljaev und V. V. Dubatolov. „GEOMETER MOTHS (LEPIDOPTERA, GEOMETRIDAE) OF THE LOWER AMUR. PART I“. Amurian Zoological Journal 5, Nr. 3 (2013): 291–306. http://dx.doi.org/10.33910/1999-4079-2013-5-3-291-306.

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Bikang, Hugues Bi Ateme, Stephan Ntie, Thibaud Decaëns und Rodolphe Rougierie. „First Assessment of Nocturnal Lepidopteran Communities in the Forest Savannah Mosaic of the Plateaux Batéké, Southeastern Gabon“. European Journal of Biology and Biotechnology 2, Nr. 6 (12.12.2021): 20–25. http://dx.doi.org/10.24018/ejbio.2021.2.6.298.

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Lepidopterans are an important component of central African biodiversity. Indeed, they play an important role as plant pollinators, food source, bio-indicators, and even pests for local crops. However, almost nothing is known about these moths in central Africa, while they are being increasingly threatened by significant landscape changes due mainly to infrastructure constructions and climate change. So, the mosaic of forests and savannah in the Plateaux Batéké (southeastern Gabon) constitutes a unique opportunity to study how Lepidopteran communities might evolve along an ecological gradient with upcoming changes in forest cover in the region. A total of 2824 specimens, representing 14 distinct families or subfamilies, were sampled using light-trapping and sorted into morphospecies, while a subset of 95 samples was further investigated using both morphological and molecular methods. Community comparison of nocturnal Lepidopteran showed that there was a significant difference in terms of abundance only between sampling sessions. Indeed, this could be due to food availability between sampling sessions. In May and June in Gabon, most plants have flowers and fruits and moth families such as Geometridae and Sphingidae emerge at that time. The most represented family in our sampled specimens was the Geometridae, which prefers habitats with permanent river courses as is the case in our sampling area. However, a more comprehensive study using various trapping methods, during several seasonal cycles and with more replicates in each habitat type is needed for a better understanding of the community structure and ecological traits that characterize nocturnal Lepidopteran in the Plateaux Batéké of Gabon.

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Vasilenko, S. V., und V. V. Ivonin. „NEW RECORDS OF RARE GEOMETER MOTHS (LEPIDOPTERA, GEOMETRIDAE) IN NOVOSIBIRSKAYA OBLAST“. Amurian Zoological Journal 4, Nr. 1 (2012): 50–53. http://dx.doi.org/10.33910/1999-4079-2012-4-1-50-53.

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Woodrow, Will, Brian Nelson, Dave Allen, Emma Glanville, Maurice Hughes, Vincent McLaughlin, Clive Mellon und Paul Waring. „The distribution and ecology of Gnophos dumetata Treitschke, 1827 (Lepidoptera: Geometridae) in the Burren of western Ireland“. Entomologist's Gazette 69, Nr. 1 (31.01.2018): 1–14. http://dx.doi.org/10.31184/g00138894.691.1615.

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The geometrid moth Gnophos dumetata Treitschke, 1827, is restricted within Britain and Ireland to the Burren, Co. Clare. A study was initiated by the Burren National Park to investigate the distribution and food plant choice of the species in order to determine if it would be affected by management of scrub. The distribution of the species was investigated by trapping of adults and searching for larvae. This was combined with historical records to determine that the species is confined to the limestone pavement in the eastern Burren between Corofin and Gort. The larvae show a preference for small, isolated plants of Rhamnus cathartica L. growing over bare pavement. Our conclusion is that the species will not be affected by planned management which is aimed at removing dense invasive scrub from grassland areas.

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MacPhee, A., A. Newton und K. B. McRae. „POPULATION STUDIES ON THE WINTER MOTH OPEROPHTERA BRUMATA (L.) (LEPIDOPTERA: GEOMETRIDAE) IN APPLE ORCHARDS IN NOVA SCOTIA“. Canadian Entomologist 120, Nr. 1 (Januar 1988): 73–83. http://dx.doi.org/10.4039/ent12073-1.

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AbstractThe winter moth Operophtera brumata (L.) is a serious introduced pest of apple trees in Nova Scotia. It spread westward through orchards of the Annapolis Valley in the 1950’s and to other deciduous trees throughout Nova Scotia later. The parasites Cyzenis albicans (Fall.) and Agrypon flaveolatum (Grav.) were liberated during 1961 in Nova Scotia and gradually spread throughout the winter moth population. Population dynamics studies were conducted in insecticide-free orchards and corroborated with observations in neglected unsprayed apple trees over a wide area. The winter moth population reached a balanced level in unsprayed orchards at varying densities below the limits of its food supply, but well above an acceptable level for commercial apple production. In young orchards, where trees cover a small percentage of the ground, natural dispersal of larvae appeared to be a suppressing factor. In mature orchards mortality was density dependent during the prepupal to adult stage; mortality was partly due to parasitism and predation but also to other factors.

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Vasilenko, S. V., und E. A. Beljaev. „ADDITIONS TO THE LIST OF GEOMETRIDS (LEPIDOPTERA, GEOMETRIDAE) OF THE BOLSHEHEKHTSIRSKII NATURE RESERVE WITH TAXONOMIC NOTES ON SOME SPECIES“. Amurian Zoological Journal 3, Nr. 3 (2011): 280–83. http://dx.doi.org/10.33910/1999-4079-2011-3-3-280-283.

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15

King, G. E., und J. L. Viejo-Montesinos. „Contribution to an understanding of the biology and larval morphology of two taxa in the genus Scopula Schrank, 1802, subgenus Glossotrophia Prout, 1913 (Lepidoptera: Geometridae)“. SHILAP Revista de lepidopterología 49, Nr. 194 (30.06.2021): 259–71. http://dx.doi.org/10.57065/shilap.300.

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Descriptions of the larval morphology of two Iberian Sterrhinae taxa in the genus Scopula Schrank, 1802 subgenus Glossotrophia Prout, 1913 are provided: Scopula (Glossotrophia) rufomixtaria (Graslin, 1863): larval chaetotaxy: L4 and Scopula (Glossotrophia) asellaria dentatolineata Wehrli, 1926: larval chaetotaxy: L5. Original data is also provided on their biology which includes phenology, food-plants and parasitoids.

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Roy, Somnath, Soma Das, Gautam Handique, Ananda Mukhopadhyay und Narayanannair Muraleedharan. „Ecology and management of the black inch worm, Hyposidra talaca Walker (Geometridae: Lepidoptera) infesting Camellia sinensis (Theaceae): A review“. Journal of Integrative Agriculture 16, Nr. 10 (Oktober 2017): 2115–27. http://dx.doi.org/10.1016/s2095-3119(16)61573-3.

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17

Mahony, Nancy, Erica Nol und Tom Hutchinson. „Food-chain chemistry, reproductive success, and foraging behaviour of songbirds in acidified maple forests of central Ontario“. Canadian Journal of Zoology 75, Nr. 4 (01.04.1997): 509–17. http://dx.doi.org/10.1139/z97-063.

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We examined the breeding success of two insectivorous bird species, the resident black-capped chickadee (Parus atricapillus) and the Neotropical migrant chestnut-sided warbler (Dendroica pensylvanica), in relation to food-chain chemistry at a healthy and a declining forest site in central Ontario, Canada. The health of sugar maples (Acer saccharum) was poorer and the pH of both soil and throughfall was lower at the declining site than at the healthy site. The calcium and magnesium concentrations and the calcium:aluminum ratio in the soil were also lower at the declining site than at the healthy site. The calcium, magnesium, and phosphorus concentrations and the calcium:aluminum ratio in sugar maple foliage were lower at the declining site than at the healthy site, indicating extensive acid leaching of the soil and foliage at the declining site. Caterpillars (Geometridae) at the declining site had a lower calcium concentration and beetles had a lower magnesium concentration than these groups at the healthy site. The calcium:aluminum ratios in the tissues of insects in both groups were lower at the declining site than at the healthy site, paralleling the foliar and soil chemical differences. There were, however, no differences in clutch or brood sizes, or percent hatch, for either bird species between the healthy and declining sites. Chickadees consistently foraged lower in the canopy at the declining site, a possible compensatory behaviourial response to canopy dieback and (or) lower food quality in the upper canopy.

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Heliövaara, Kari, Rauno Väisänen und Eero Kemppi. „Change of pupal size of Panolis flammea (Lepidoptera; Noctuidae) and Bupalus piniarius (Geometridae) in response to concentration of industrial pollutants in their food plant“. Oecologia 79, Nr. 2 (Mai 1989): 179–83. http://dx.doi.org/10.1007/bf00388475.

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Mata, Vanessa A., Francisco Amorim, Martin F. V. Corley, Gary F. McCracken, Hugo Rebelo und Pedro Beja. „Female dietary bias towards large migratory moths in the European free-tailed bat ( Tadarida teniotis )“. Biology Letters 12, Nr. 3 (März 2016): 20150988. http://dx.doi.org/10.1098/rsbl.2015.0988.

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In bats, sexual segregation has been described in relation to differential use of roosting and foraging habitats. It is possible that variation may also exist between genders in the use of different prey types. However, until recently this idea was difficult to test owing to poorly resolved taxonomy of dietary studies. Here, we use high-throughput sequencing to describe gender-related variation in diet composition of the European free-tailed bat ( Tadarida teniotis ), while controlling for effects of age and season. We analysed guano pellets collected from 143 individuals mist-netted from April to October 2012 and 2013, in northeast Portugal. Moths (Lepidoptera; mainly Noctuidae and Geometridae) were by far the most frequently recorded prey, occurring in nearly all samples and accounting for 96 out of 115 prey taxa. There were significant dietary differences between males and females, irrespective of age and season. Compared to males, females tended to consume larger moths and more moths of migratory behaviour (e.g. Autographa gamma ). Our study provides the first example of gender-related dietary variation in bats, illustrating the value of novel molecular tools for revealing intraspecific variation in food resource use in bats and other insectivores.

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Raubenheimer, D., und S. J. Simpson. „Integrative models of nutrient balancing: application to insects and vertebrates“. Nutrition Research Reviews 10, Nr. 1 (Januar 1997): 151–79. http://dx.doi.org/10.1079/nrr19970009.

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AbstractWe present and apply to data for insects, chickens and rats a conceptual and experimental framework for studying nutrition as a multi-dimensional phenomenon. The framework enables the unification within a single geometrical model of several nutritionally relevant measures, including: the optimal balance and amounts of nutrients required by an animal in a given time (the intake target), the animal's current state in relation to these requirements, available foods, the amounts of ingested nutrients which are retained and eliminated, and animal performance. Animals given a nutritionally balanced food, or two or more imbalanced but complementary foods, can satisfy their nutrient requirements, and hence optimize performance. However, animals eating noncomplementary imbalanced foods must decide on a suitable compromise between overingesting some nutrients and underingesting others. The geometrical models provide a means of measuring nutritional targets and rules of compromise, and comparing these among different animals and within similar animals at different developmental stages or in different environments. They also provide a framework for designing and interpreting experiments on the regulatory and metabolic mechanisms underlying nutritional homeostasis.

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Tripathi, Prashasti, Vineeta Puranik und Shalini Purwar. „Comparison of branded and non-branded food samples widely consumed in north India with reference to Trans fatty acid content“. Journal of Applied and Natural Science 13, Nr. 1 (31.01.2021): 16–25. http://dx.doi.org/10.31018/jans.v13i1.2449.

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Trans fatty acids (TFA) are the geometrical isomers of monounsaturated and polyunsaturated fatty acids that affect the functional and physicochemical properties of these fatty acids, which in turn affect their metabolism in humans. Since the database available for trans fatty acids in food from India is scarce, the research report generates data about trans fatty acid content in selected foods popular in north India. In this report, various food samples like cookies, chocolates, biscuits, pizza, fries, indigenous snacks like samosa, pakora and indigenous sweets like jalebi, gulab jamun, and laddoo were analyzed for the Trans Fatty Acid (TFA) content by gas chromatography. A large variation was found in trans fatty acid content among these food samples. The results also showed that only 4.5% of the samples were found to contain TFA less than 0.5% while approximately 8% of samples having more than 5% TFA (1 branded and 6 non-branded samples). Also, a large variation was found in the trans fatty acid content of branded and non-branded food samples with the mean value of TFA in branded and non-branded food groups as 1.781 and 6.125 respectively and the t-value of 0.852 between the two groups. When regulations are emphasizing on labelling the TFA content on the product, there are arrays of unlabelled products which are not governed under any regulations. Hence there is a need for strong food regulations to bring levels of trans fats in processed foods to negligible levels.

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Chen, Li, Yong Hai Sun und Yang Liu. „The Parameters Optimization of Bionic Tongue Block Based on the Discrete Element Method“. Advanced Materials Research 926-930 (Mai 2014): 3298–301. http://dx.doi.org/10.4028/www.scientific.net/amr.926-930.3298.

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Human tongue has complex structure and involves in chewing function, such as transporting and mixing foods. In order to develop tongue block of the bionic chewing equipment to make the food materials slide from the lingual surface to the tooth surface as much as possible in the same time, three-dimensional model of tongue block was built according to the geometric shape and physiology characteristic of the human tongue. The discrete element method was used to simulate the whole delivery process of food materials to teeth area, and then the geometrical parameters of the tongue block were optimized. The simulated results showed that when the height of the tongue tip and the tongue root were fixed, the optimal slope angles which have the decisive effect on the process of food materials slide were 32°and 2° respectively. The results provided a theoretical basis for the processing of tongue block of the bionic chewing equipment.

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Onabolu, AO, OSA Oluwole, M. Bokanga und H. Rosling. „Ecological variation of intake of cassava food and dietary cyanide load in Nigerian communities“. Public Health Nutrition 4, Nr. 4 (August 2001): 871–76. http://dx.doi.org/10.1079/phn2001127.

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AbstractAim:To study the ecological variation of intake of cassava foods and dietary cyanide load.Design:Ecological study design.Setting:Five communities in south-western Nigeria where tropical ataxic neuropathy (TAN) was described as endemic (area A), 11 communities in south-western Nigeria where TAN was described as absent (area B), and five communities in northern Nigeria (area C).Subjects:Subjects were randomly sampled from selected communities. Intake of cassava foods was estimated from dietary history and dietary cyanide load was estimated from urine thiocyanate concentrations. Residual cyanogens in cassava food samples from the community markets were determined.Results:In total, 1272 subjects from 21 communities – 238 from area A, 659 from area B and 375 from area C – were selected. Intake of cassava food per person per week was 17 meals in area A, 10 meals in area B, and one meal in area C. Geometrical mean urine thiocyanate concentrations were 73 μmol l−1, 51 μmol l−1 and 17 μmol l−1 in areas A, B and C, respectively. Mean residual cyanogen content in cassava food samples was 16 mg HCN eq kg−1 (confidence interval (CI) 13–18) in area A, and 13 mg HCN eq kg−1 in area B (CI 11–14).Conclusion:This study shows that the intake of cassava foods and dietary cyanide load is high in several communities in south-western Nigeria, predominantly in communities where TAN has been reported. Dietary cyanide load in these communities appears to be determined by the combination of frequency of intake and cyanogen content of cassava foods. Measures to improve the effectiveness of removal of cyanogen from cassava roots during processing are needed in the affected communities.

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Robert, Franck. „Merleau-Ponty, L’origine de la géométrie et la littérature“. Chiasmi International 21 (2019): 149–65. http://dx.doi.org/10.5840/chiasmi20192117.

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Le commentaire que propose Merleau-Ponty de L’origine de la géométrie de Husserl en 1960 accorde une place privilégiée au langage, à l’écrit : l’étonnement peut être grand de voir Merleau-Ponty, dans la continuité de Husserl, penser la genèse de l’idéalité géométrique à partir d’une méditation sur la littérature. La réflexion de Merleau-Ponty sur la littérature a pris un tour ontologique décisif au début des années cinquante, dans le long commentaire de Proust notamment en 1953-1954. C’est dans cet esprit que le cours de 1960 accorde à la littérature un sens ontologique : l’idéalité géométrique ne peut advenir comme idéalité que par passage à la parole et à l’écrit, mais le sens même de l’idéalité scientifique ne peut se comprendre que si on la replace sur fond d’idéalités plus fondamentales que la littérature précisément dévoile, idéalités qui se nouent à travers le temps, dans le lien entre le passé et le présent, moi et l’autre. La littérature éclaire l’histoire de la géométrie d’une autre manière encore : elle met au jour l’entrelacement homme-langage-monde, condition d’émergence d’un sens vrai, qui advient dans l’histoire de la géométrie, et que la littérature, assumant notre être de parole, porte plus fondamentalement encore.The commentary Merleau-Ponty offers in 1960 on Husserl’s The Origin of Geometry gives a privileged place to language, to writing: it is perhaps a great astonishment to see Merleau-Ponty, in continuity with Husserl, thinking about the genesis of geometrical ideality beginning from a meditation on literature. Merleau-Ponty’s reflection on literature took a decisive ontological turn at the beginning of the 1950s, notably in the long commentary on Proust in 1953-1954. It is in this spirit that the course of 1960 grants to literature an ontological sense: the ideality of geometry can occur as ideality by the passage to speech and to writing, but the meaning of even scientific ideality can be understood only if one places it on the basis of more fundamental idealities that literature precisely reveals, idealities that are linked across time, in the connection between past and present, self and other. Literature clarifies the history of geometry in yet another manner: it brings to light the intertwining of human-language-world, condition of the emergence of a true sense, which occurs in the history of geometry, and which literature, assuming our being in speech bears more fundamentally still.Il commento de L’origine della geometria di Husserl proposto da Merleau-Ponty nel 1960 accorda un posto privilegiato al linguaggio, alla scrittura. Ci si potrebbe stupire del fatto che Merleau-Ponty, nel solco di Husserl, pensi l’idealità geometrica a partire da una riflessione sulla letteratura. Il pensiero di Merleau-Ponty sulla letteratura ha assunto un’inflessione ontologica decisiva all’inizio degli anni Cinquanta, in particolare nel lungo commento a Proust del 1953-1954. È proprio prolungando questa linea che il corso del 1960 attribuisce alla letteratura un senso ontologico: l’idealità geometrica diviene idealità proprio nel passaggio dalla parola allo scritto, ma il senso stesso dell’idealità scientifica può essere compreso solo se ricollochiamo quest’ultima su quello sfondo di idealità più fondamentali che la letteratura ci rivela, idealità che si instaurano attraverso il tempo, nel legame tra il passato e il presente, l’io e l’altro. Infine, è in un altro modo ancora che la letteratura illumina la storia della geometria: essa ci consente di illuminare l’intreccio uomo-linguaggio-mondo, condizione di emergenza di un senso vero, che si attesta nella storia della geometria e che la letteratura, in quanto essa assume il nostro essere già da sempre implicati con la parola, reca con sé in modo ancora più fondamentale.

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Rappoldt, Cornelis, Richard A. Stillman und Bruno J. Ens. „A geometrical model for the effect of interference on food intake“. Ecological Modelling 221, Nr. 2 (Januar 2010): 147–51. http://dx.doi.org/10.1016/j.ecolmodel.2009.10.007.

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Velíšek, J., und K. Cejpek. „Biosynthesis of food constituents: Lipids. 1. Fatty acids and derivated compounds – a review“. Czech Journal of Food Sciences 24, No. 5 (12.11.2011): 193–216. http://dx.doi.org/10.17221/3317-cjfs.

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This review article gives a survey of the principal biosynthetic pathways that lead to the most important common fatty acids and their derivatives occurring in foods and feeds. Fatty acids are further subdivided to saturated fatty acids and unsaturated fatty acids. This review is focused on the less common fatty acids including geometrical and positional isomers of unsaturated fatty acids, acetylenic fatty acids, branched-chain fatty acids, alicyclic fatty acids, epoxy fatty acids, hydroxy fatty acids, and oxo fatty acids. A survey is further given on the biosynthesis of the aliphatic very-long-chain components (alkanes, primary and secondary alcohols, aldehydes, ketones, and esters) of plant cuticular wax derived from saturated fatty acids. Subdivision of the topics is predominantly via biosynthesis. There is extensive use of reaction schemes, sequences, and mechanisms with enzymes involved and detailed explanations using chemical principles and mechanisms.  

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Tasan, M., U. Gecgel und M. Demirci. „Comparison of geometrical isomerization of unsaturated fatty acids in selected commercially refined oils“. Grasas y Aceites 62, Nr. 3 (11.05.2011): 284–89. http://dx.doi.org/10.3989/gya.102310.

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Narayana Murthy, Shobha Rani, Arun Sri Krishna, Vishwa Prasad Laxmisagara, Pavan H. Srinath und Vinay Madhusudan. „Mass estimation of citrus limetta using distance based hand crafted features and regression analysis“. International Journal of Electrical and Computer Engineering (IJECE) 12, Nr. 4 (01.08.2022): 3700. http://dx.doi.org/10.11591/ijece.v12i4.pp3700-3708.

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<span>Sorting and grading are qualitative operational tasks performed in food processing industries. Realization of higher accuracy in mass estimation is the key inclination of this work. In this work, an automated technique for mass estimation of citrus limetta is devised based on the geometrical features derived from pre-processed images. Dataset includes 250 data samples of citrus limetta, whose images are acquired in different orientations. Two novel handcrafted distance-based geometrical features along with four conventional geometrical features were employed for regression analysis. Predictive modeling is conducted with configuration of 150 training and 100 testing data samples and subject to regression analysis for mass estimation. Multiple linear and support vector regression models with linear, polynomial and radial basis function (RBF) kernels were employed for mass estimation with two different model configurations, conventional and conventional with handcrafted features, for which an R2 score of 0.9815, root mean squared error (RMSE) of 10.94 grams, relative averages of accuracy and error of 96.61% and 3.39% respectively is achieved for the proposed model and configuration which was validated using k-fold cross-validation. Through comparison with performance of model with conventional and conventional with handcrafted features configurations, it was established that inclusion of handcrafted features was able to increase the performance of the models.</span>

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Ayyala, Kishore Ajay Kumar, Atul Thakur, Zhou Yong, Syed Samar Yazdani, Preeti Thakur, M. S. Prasad, Nour Mohammad Murad, Sahbi Baccar, Benoît Agnus und Blaise Ravelo. „Electro-Geometrical Analysis of Transversal V-Fold Patch Antenna“. International Journal of Electrical and Electronics Research 10, Nr. 4 (30.12.2022): 1281–89. http://dx.doi.org/10.37391/ijeer.100481.

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This paper investigates an original concept of electro-geometrical analysis of flexible microstrip antenna. The research work is focused on the analysis of the innovative effect of “V”- shape folding on the resonance frequency and input impedance of microstrip patch antenna. The V-folded antenna is assumed to behave as an arm constituted by horizontal and tilted members which are geometrically characterized by the folding angle, a. The folding is characterized by the angle between the horizontal plane and the folded part of the patch antenna printed on a Kapton flexible substrate. The initially flat-configured planar antenna was designed to operate at about 2.45 GHz. The innovative design method of the V-shape folded flexible antenna is explained. Full wave electromagnetic simulations of different geometrical states of the flexible antenna were performed in the frequency range from 1 GHz to 5 GHz. Exceptional results of tilted surface radiating part of flexible patch antenna were found with a positive folding angle from amin=0° to amax=45°. It was understood for the first time in the area of antenna engineering that the resonance frequency is fluctuating according to typical sine damping in the function of the V-folding angle variation. The folded angle effect, which has never been understood before is discussed. In addition to the angle effect, the input resistance and input reactance of the V-folded flexible patch antenna is also plotted.

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Van Hirtum, A., und X. Pelorson. „High-Speed Imaging to Study an Auto-Oscillating Vocal Fold Replica for Different Initial Conditions“. International Journal of Applied Mechanics 09, Nr. 05 (Juli 2017): 1750064. http://dx.doi.org/10.1142/s1758825117500648.

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Experiments on mechanical deformable vocal folds replicas are important in physical studies of human voice production to understand the underlying fluid–structure interaction. At current date, most experiments are performed for constant initial conditions with respect to structural as well as geometrical features. Varying those conditions requires manual intervention, which might affect reproducibility and hence the quality of experimental results. In this work, a setup is described which allows setting elastic and geometrical initial conditions in an automated way for a deformable vocal fold replica. High-speed imaging is integrated in the setup in order to decorrelate elastic and geometrical features. This way, reproducible, accurate and systematic measurements can be performed for prescribed initial conditions of glottal area, mean upstream pressure and vocal fold elasticity. Moreover, quantification of geometrical features during auto-oscillation is shown to contribute to the experimental characterization and understanding.

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Mostova, Liudmyla, Leonid Martynenko und Stanislav Kasyanov. „INFLUENCE OF FOOD PRODUCT GEOMETRICAL FORM ON VITAMIN С LOSS IN THERMAL TREATMENT“. TECHNICAL SCIENCES AND TECHNOLOG IES, Nr. 2(8) (2017): 188–94. http://dx.doi.org/10.25140/2411-5363-2017-2(8)-188-194.

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32

O'Keefe, S. F., V. Wiley und S. Gaskins. „Geometrical isomers of essential fatty acids in liquid infant formulas“. Food Research International 27, Nr. 1 (Januar 1994): 7–13. http://dx.doi.org/10.1016/0963-9969(94)90172-4.

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Mastipanova, A. V. „ABOUT SOME PROBLEMS GEOMETRY OF FOOT DRAWING“. Educational Dimension 13 (26.05.2022): 153–58. http://dx.doi.org/10.31812/educdim.5758.

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The tasks of construction of geometrical elements by the division of corners are examined in the article. A method passed the tests on employment on drawing on the fine-art faculty of the Kryvoy Rog state pedagogical university.

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Kimura, Miwako, Niro Tayama und Roger W. Chan. „Geometrical Deformation of Vocal Fold Tissues Induced by Formalin Fixation“. Laryngoscope 113, Nr. 4 (April 2003): 607–13. http://dx.doi.org/10.1097/00005537-200304000-00005.

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35

Hu, Che-Wei, Arnold Baca, Martin Groeber und Peter Dabnichki. „Geometrical Model for Characterization of Foot Deformity using 3D imaging“. IFAC-PapersOnLine 51, Nr. 2 (2018): 373–78. http://dx.doi.org/10.1016/j.ifacol.2018.03.064.

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36

González, Mariana, Eliana Budelli, Nicolás Pérez und Patricia Lema. „Estimation of eye formation in Swiss-type cheese using geometrical measurements“. Journal of Food Engineering 275 (Juni 2020): 109848. http://dx.doi.org/10.1016/j.jfoodeng.2019.109848.

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37

Meléndez-Martínez, Antonio J., Isabel M. Vicario und Francisco J. Heredia. „Geometrical isomers of violaxanthin in orange juice“. Food Chemistry 104, Nr. 1 (Januar 2007): 169–75. http://dx.doi.org/10.1016/j.foodchem.2006.11.017.

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AL-WIDYAN, MOHAMAD I., TAHA M. RABABAH, AHMAD MAYYAS, MOH'D AL-SHBOOL und W. YANG. „GEOMETRICAL, THERMAL AND MECHANICAL PROPERTIES OF OLIVE FRUITS“. Journal of Food Process Engineering 33, Nr. 2 (April 2010): 257–71. http://dx.doi.org/10.1111/j.1745-4530.2008.00273.x.

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39

Kim, Jong Woo, Andrew Ulvestad, Sohini Manna, Ross Harder, Eric E. Fullerton und Oleg G. Shpyrko. „3D Bragg coherent diffractive imaging of five-fold multiply twinned gold nanoparticle“. Nanoscale 9, Nr. 35 (2017): 13153–58. http://dx.doi.org/10.1039/c7nr05028c.

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Kimura, Miwako, Niro Tayama, Roger W. Chan und Ingo R. Titze. „Geometrical deformation of the canine vocal fold induced by formalin fixation“. Journal of the Acoustical Society of America 109, Nr. 5 (Mai 2001): 2413. http://dx.doi.org/10.1121/1.4744527.

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41

CASTILLO, OSCAR, und PATRICIA MELIN. „DEVELOPING A NEW METHOD FOR THE IDENTIFICATION OF MICROORGANISMS FOR THE FOOD INDUSTRY USING THE FRACTAL DIMENSION“. Fractals 02, Nr. 03 (September 1994): 457–60. http://dx.doi.org/10.1142/s0218348x94000648.

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The fractal dimension can be a useful tool in the identification of microorganisms, because it can be experimentally shown that the colonies of different types of bacteria have different geometrical forms, and as a result of this fact different fractal dimensions. Our method of identification of microorganisms for the food industry, is based on the application of a one to one map between the different types of bacteria and their corresponding fractal dimension. The importance of this new method can be related to the need of making more efficient the task of the quality control lab of the food industry.

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Wang, Kun, Yiwu Qian, Jinmo Wu und Xiaoyong Liu. „Identity Recognition Algorithm Based on Static Gait Geometrical and Pressure Data“. MATEC Web of Conferences 173 (2018): 03038. http://dx.doi.org/10.1051/matecconf/201817303038.

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Currently, pattern recognition technique is widely applied in human identity recognition while there are shortages remaining in most kinds of such techniques. In order to overcome these problems, a novel algorithm is proposed to apply in identity recognition course in new field-static gait recognition field. Two combined features are going for static gait recognition: the distance between each part of center pressure and overall foot and the side length of outline triangle of human foot. Then through the comparison of different classifier, the best course for recognition can be obtained.

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SHAH, JYOTI, und DEEPAK C. SRIVASTAVA. „Strain estimation from flattened parallel folds: application of the Wellman method and Mohr circle“. Geological Magazine 143, Nr. 2 (März 2006): 243–47. http://dx.doi.org/10.1017/s0016756805001688.

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Parallel folds exhibit a characteristic orthogonal relationship between the tangent and the corresponding isogon drawn at any point on folded surface. Modification of parallel fold to flattened parallel fold by superimposition of homogeneous strain introduces an angular shear along the tangents at different points. The angular shears in different directions, obtained by measuring angles between the tangents and the corresponding isogons, can be used for estimation of flattening strain by a variety of geometrical and numerical methods. We show that several simple geometrical techniques, such as the Wellman method and the Mohr circle method, can rapidly decipher the strain from flattened parallel folds. These methods, in contrast to most of the existing methods of strain estimation, are independent of the assumption that one of the principal strain directions parallels the axial trace on the profile plane of fold.

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Ptaszek, Paweł. „A geometrical interpretation of large amplitude oscillatory shear (LAOS) in application to fresh food foams“. Journal of Food Engineering 146 (Februar 2015): 53–61. http://dx.doi.org/10.1016/j.jfoodeng.2014.08.022.

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RODRÍGUEZ, N., und N. E. ZARITZKY. „Modeling of Sulfur Dioxide Uptake in Pre-Peeled Potatoes of Different Geometrical Shapes“. Journal of Food Science 51, Nr. 3 (Mai 1986): 618–22. http://dx.doi.org/10.1111/j.1365-2621.1986.tb13893.x.

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46

LACROIX, C., und F. CASTAIGNE. „FREEZING TIME CALCULATION FOR PRODUCTS WITH SIMPLE GEOMETRICAL SHAPES“. Journal of Food Process Engineering 10, Nr. 2 (April 1988): 81–104. http://dx.doi.org/10.1111/j.1745-4530.1988.tb00006.x.

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López-Sauceda, Juan, Jorge López-Ortega, Gerardo Laguna Sánchez, Jacobo Sandoval Gutiérrez, Ana Rojas Meza und José Aragón. „Spatial Organization of Five-Fold Morphology as a Source of Geometrical Constraint in Biology“. Entropy 20, Nr. 9 (14.09.2018): 705. http://dx.doi.org/10.3390/e20090705.

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A basic pattern in the body plan architecture of many animals, plants and some molecular and cellular systems is five-part units. This pattern has been understood as a result of genetic blueprints in development and as a widely conserved evolutionary character. Despite some efforts, a definitive explanation of the abundance of pentagonal symmetry at so many levels of complexity is still missing. Based on both, a computational platform and a statistical spatial organization argument, we show that five-fold morphology is substantially different from other abundant symmetries like three-fold, four-fold and six-fold symmetries in terms of spatial interacting elements. We develop a measuring system to determine levels of spatial organization in 2D polygons (homogeneous or heterogeneous partition of defined areas) based on principles of regularity in a morphospace. We found that spatial organization of five-fold symmetry is statistically higher than all other symmetries studied here (3 to 10-fold symmetries) in terms of spatial homogeneity. The significance of our findings is based on the statistical constancy of geometrical constraints derived from spatial organization of shapes, beyond the material or complexity level of the many different systems where pentagonal symmetry occurs.

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Ogrodowska, Dorota, Beata Roszkowska und Małgorzata Tańska. „Geometrical Features of Seeds of New Pumpkin Forms“. Agricultural Engineering 20, Nr. 1 (01.04.2016): 111–18. http://dx.doi.org/10.1515/agriceng-2016-0011.

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AbstractPlant growers are looking for new crops which would make farms and processing plants more profitable. Currently, in Poland, waste-free pumpkin processing is mainly associated with pumpkin seed production, oil extraction, pulverization of pumpkin oil cake to obtain pumpkin meal, the small-scale use of flesh in food production, but mainly the utilisation of flesh as a feed additive. During technological processes applied for the processing of pumpkin seeds it is important to be familiar with their physical characteristics. The aim of this study was to analyse the geometric characteristics of the seeds of new nine forms of the pumpkin variety Olga, which were bred by researchers from the Department of Plant Genetics, Breeding and Biotechnology at the Warsaw University of Life Sciences. Geometrical features were measured using the Digital Image Analysis (DIA) set, consisting of a digital camera (Nikon DXM 1200), computer and lighting (KAISER RB HF). The following geometrical features were measured: length, width, diameter, perimeter, area, circularity and elongation. Additionally, thickness of the seeds was measured by a calliper. Seeds of the studied forms of hull-less pumpkins differed from the standards in the dimensions and shape, whereas significant differences were demonstrated for the Olga variety standard. The most variable geometric characteristic of the seeds under study was area, while the least variable geometric characteristics of the pumpkin seeds turned out to be the circularity and width.

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Simpson, Stephen J., und David Raubenheimer. „Assuaging nutritional complexity: a geometrical approach“. Proceedings of the Nutrition Society 58, Nr. 4 (November 1999): 779–89. http://dx.doi.org/10.1017/s0029665199001068.

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We have introduced a framework that enables the identification of the important elements in complex nutritional systems, and the quantification of the interactions among them. These interactions include those among the multiple constituents of the ingesta, as well as between behavioural (ingestive) and physiological (post-ingestive) components of nutritional homeostasis. The resulting descriptions provide a powerful means to generate and test hypotheses concerning the mechanisms, ecology and evolution of nutritional systems. We provide an overview of the key concepts involved in our scheme, and then introduce four examples in which the framework is used to develop and test hypotheses. In the first example we use comparative methods based on a data set of 117 insect species to test a prediction about the relationship between evolving an association with bacterial endosymbionts and the composition of the optimal diet. Second, using two species of locusts (a grass specialist and a generalist), we consider the relationship between an animal's diet breadth and the decision rules employed when feeding on foods containing suboptimal protein: carbohydrate values. Third, we introduce a mathematical model that predicts the dose-response properties of gustatory systems in the context of nutritional homeostasis. Finally, we consider the interaction between tannic acid and macronutrient balance in the diet of locusts.

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Shah, Asima, Farooq Ahmad Masoodi, Adil Gani und Bilal Ahmad Ashwar. „Geometrical, functional, thermal, and structural properties of oat varieties from temperate region of India“. Journal of Food Science and Technology 53, Nr. 4 (13.02.2016): 1856–66. http://dx.doi.org/10.1007/s13197-015-2119-2.

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