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The Global ETD Search service is a free service for researchers
to find electronic theses and dissertations. This service is
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Networked Digital Library of Theses and Dissertations.
Our metadata is collected from universities around the world. If you manage a university/consortium/country archive and want to be added, details can be found on the NDLTD website.
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Resíduos de pirimifós-metil em grãos de trigo, milho e milho pipoca, em alguns de seus produtos processados e ação residual desse inseticida sobre Sitophilus spp. (Coleoptera, Curculionidae). / Residues of pirimiphos-metil on wheat, corn and popcorn grains, in some of their processed products and residual action of the insecticide on Sitophilus spp. (Coleoptera, Curculionidae).Eduardo Sgarbiero 19 March 2002 (has links)
Os objetivos do presente trabalho foram avaliar a ocorrência / persistência / degradação de resíduos do inseticida organofosforado pirimifós-metil em grãos de trigo, milho e milho pipoca e em alguns de seus produtos processados, bem como a ação residual desse inseticida sobre Sitophilus spp. (Coleoptera, Curculionidae). O tratamento dos grãos foi realizado de modo a se obter a concentração teórica de 12 mg.kg-1 (ppm) de pirimifós-metil, tendo sido aplicados o equivalente a 5 litros de solução por tonelada de grãos. As amostras para estudos de resíduos foram tomadas aos zero, 15, 30, 60, 120 e 240 dias após o tratamento. O método analítico consta da extração dos resíduos com acetona, limpeza com partição acetonitrila/hexano seguida de coluna cromatográfica de sílica eluída com mistura de hexano+acetona (9/1, v/v). A determinação quantitativa foi feita por técnica de cromatografia em fase gasosa, usando-se cromatógrafo equipado com detector fotométrico de chama (GLC/FPD). Foram analisadas 264 amostras no total, sendo 72 de grãos cereais e 192 de seus produtos processados. Para os estudos de ação residual do inseticida sobre adultos de Sitophilus spp. os insetos foram submetidos a testes em exposição aos grãos tratados após 15 dias decorridos do tratamento, 30 dias após, e, subseqüentemente, em intervalos mensais até 12 meses. Os limites de quantificação dos resíduos pelo método de análise, para os diferentes substratos variaram de 0,05 a 0,1 mg.kg-1. Os resíduos de pirimifós-metil não foram persistentes nos grãos nem em seus produtos processados, decrescendo de 4-8 vezes no período de amostragem. Eles foram maiores nos produtos processados ricos em óleos (farelo de trigo e de milho), menores nos grãos (estes semelhantes às farinhas integral e branca, e pipoca) e, ainda menores, no pão, farinha de milho e canjica. O inseticida pirimifós-metil mostrou-se bastante eficiente no controle de Sitophilus spp., no tratamento dos três tipos de grãos cereais durante todo o período de observação. / The purposes of this study were to evaluate the occurence, persistence and degradation of pyrimiphos-methyl organophosphorus insecticide residues on wheat, corn and popcorn grains in and some of their processed products, as well the residual action of this insecticide for the control the Sitophilus spp. (Coleoptera, Curculionidae). Grain treatment was performed to obtain the theoretic concentration of 12 mg.Kg-1 (ppm) of pyrimiphos-methyl, which was applied at the dosage of 5 L of solution/ton of the grain. Sampling was performed at 0, 15, 30, 60, 120 and 240 days after the treatment. The samples were analyzed for residues of pyrimiphos-methyl using a residue method based on extraction with acetone, clean up by partition with acetonitrile/hexane followed by silica gel column chromatography eluted with a mixture of hexane + acetone (9:1) (v:v) solution. Residue determinations were done by the gas chromatography technique using a flame photometry detector (GLC/FPD). Total samples analyzed were 264, being 72 of cereal grains and 192 of processed products. The studies of residual action of the insecticide for the control of Sitophilus spp adults were conducted with adults and exposing the insects to treated grains 15 days after the application, 30 days, and subsequently at monthly intervals up to 12 months. The limits of quantitation of the analytical method for different substracts ranged between 0.05 to 0.1 mg.kg-1 (ppm). Pyrimiphos-methyl residues were not persistent on the grains and processed products. A decay of 4 to 8 times during the sampling period was observed. The residues found were higher in the processed products with high oil content (wheat and corn brans), lower on grains (similar to whole and white flours and popcorn) and even lower in bread, corn flour and "canjica". Pyrimiphos-methyl was very efficient for the control of Sitophilus spp on the three grain types during the entire period of observation.
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Dulcería Pop Corn NicoAndia Tello, Edson Armando, Fiestas Huarachi, Carolina Chirley, Sánchez del Pino, Javier Ivonne, Quichua Huamani, Carina, Roca Rodriguez, Kelly 10 July 2019 (has links)
Pop Corn Nico es un modelo negocio que busca ser el socio de aquellas marcas con enfoque a mejorar el servicio al cliente. Incorporando en un mecanismo tradicional tecnología de manera innovadora y productiva: recolección de datos in situ.
Tras el análisis del proceso comercial de empresas que participan en eventos y ferias identificamos la necesidad de poder atraer clientes; sin embargo, no cuentan con la capacidad de atención y recolección de dichos clientes. De esta manera, Pop Corn Nico atrae a dichos clientes con productos tradicionales y recolecta datos incorporando una aplicación con tecnología en una Tablet dando el soporte en tiempo real.
Nuestro modelo de negocio apunta a posicionarse como un socio potenciador de empresas corporativas con tendencia a desarrollar un grado de excelencia hacia su cliente final. Nuestro equipo profesional cuenta con 7 años de experiencia en el rubro de eventos especializado en productos como pop corn, manzana acaramelada y algodón. Lo cual nos ha brindado un servicio al cliente y un producto final de calidad.
Finalmente, nuestro proyecto tiene proyectado generar un VAN de s/876,775 al termino del tercer año, con una inversión total de s/387,166. Para lo cual estamos requiriendo un financiamiento del 50% de la inversión equivalente a s/193,583. / After the analysis of the commercial process of companies that participate in events and fairs, we identify their need to attract customers; however, they do not have the capacity of attention and data collection of those customers. In this way, Pop Corn Nico attracts those customers with traditional products and collects data incorporating an application with technology using a Tablet whichs gives the support in real time.
Our business model aims to position itself as an empowering partner of corporate companies with a tendency to develop a degree of excellence towards their final customer. Our professional team has 7 years of experience in the field of events specializing in products such as pop corn, caramel apple and cotton candy, which has allowed us to have an excellent customer service and a final product with a good quality.
Finally, our project has been planned to generate a VNA of S/.876,775.00 at the end of the third year, with a total investment of S/. 387,166.00 for which we are requiring a 50% financing of the investment equivalent to S/.193,583.00. / Trabajo de investigación
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Of the CricketsLien, Kathryn 01 January 2018 (has links)
Of the Crickets imagines the overlapping worlds of ethical ecological solutions to climate changed sustenance and the potential for collective excellence in female exclusive environments. Using garments, furniture, site-specific installation and directed performance, the project harnesses social and material sensitivity to mine solutions for idealized living.
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Subliminal priming : Manipulation till att välja en specifik kulör på plastpåse / Subliminal priming : Manipulation to choose a specific colour on a plastic bagNordberg, Rickard January 2014 (has links)
Primad information är lättare tillgängligt i minnet och kan således lättare bli igenkänt. Förutsättningar för priming är bland annat subliminal perception, mål, tillförlitlighet, icke vaksamt och icke vanemässigt. Studiens syfte är att få bredare förståelse gällande subliminal primings påverkan. Frågeställningen var om kunder i en affär kan manipuleras, primas, till att ta en specifik kulör på plastpåse vid kassan samt om det finns någon könsskillnad vid effekten av priming. Deltagarna var 490 kunder, varav 333 män. Två olika skyltar med olika kulörer placerades vid kassan. Det noterades om kunderna valde den primade kulören på plastpåse eller inte. Kontrollgruppen bestod av 117 personer och dessa fick inte se någon skylt. Resultatet visade en signifikant skillnad, deltagarna valde samma kulör på plastpåse som skylten. Inga könsskillnader påträffades. Forskning visar att primingeffekter kan motstridas genom att individen gör sig medveten av potentiell omedveten påverkan. / Primed information is more accessible in memory and can thus easily be recognized. Prerequisites for priming include subliminal perception, goals, reliability, non alert and non habitually. The study aims to gain broader understanding regarding subliminal primings influence. The purpose of this thesis was to see whether the customers in a store could be manipulated, primed, to take a specific colour on plastic bags at checkout and if there are any gender differences in the effect of priming. Participants were 490 customers, of whom 333 men. Two different signs with different colours were placed at the checkout. It was noted if customers chose the primed colour of the plastic bag or not. The results showed a significant difference, the participants chose the same colour on the plastic bag as the sign. No gender differences were found. Research shows that priming effects can be opposed if people make themselves aware of potential unconscious influences.
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