1,003 research outputs found

    A STUDY INTO THE PRODUCTION EFFICIENCY OF CAL POLY CHOCOLATES

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    The project objective was to: identify ways to reduce the production cost of Cal Poly Chocolates. The project was executed through the DMAIC approach, a data driven improvement cycle. Using several industrial engineering tools, six improvement opportunities were found. Three project deliverables were created and three process changes were recommended. The total annual savings, if recommendations are implemented, sum to $1700

    Distribution of Loxothylacus texanus (Cirripedia: Rhizocephala) Parasitizing Crabs of the Genus Callinectes in the Southwestern Gulf of Mexico

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    A preliminary study on the interaction between the parasitic barnacle Loxothylacus texanus and two of its host species, the blue crab Callinectes sapidus and the dark blue crab C. rathbunae, in the Gulf of Mexico is presented. Data were obtained from 923 crabs, 162 C. sapidus and 761 C. rathbunae, deposited in the Colección de Crustáceos, Instituto de Biologia, Universidad Nacional Autónoma de México (UNAM), that were collected in 14 coastal lagoons and sites along the Mexican coast of the Gulf of Mexico. The distribution of L. texanus parasitizing each one of the host species, mean host size variation, distribution of number of parasite externae per host, and morphological modifications of the abdomen of the hosts are analyzed

    Distribution of Loxothylacus texanus (Cirripedia: Rhizocephala) Parasitizing Crabs of the Genus Callinectes in the Southwestern Gulf of Mexico

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    A preliminary study on the interaction between the parasitic barnacle Loxothylacus texanus and two of its host species, the blue crab Callinectes sapidus and the dark blue crab C. rathbunae, in the Gulf of Mexico is presented. Data were obtained from 923 crabs, 162 C. sapidus and 761 C. rathbunae, deposited in the Colección de Crustáceos, Instituto de Biologia, Universidad Nacional Autónoma de México (UNAM), that were collected in 14 coastal lagoons and sites along the Mexican coast of the Gulf of Mexico. The distribution of L. texanus parasitizing each one of the host species, mean host size variation, distribution of number of parasite externae per host, and morphological modifications of the abdomen of the hosts are analyzed

    Modelo didáctico M-learning conversacional y bienestar social en estudiantes de contabilidad de una universidad privada, 2017

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    La presente investigación se desarrolló para proponer una estrategia didáctica y mejorar el bienestar social en estudiantes de la Escuela de Contabilidad de una universidad privada de Chiclayo. La investigación fue de tipo descriptivo-transversal, no experimental, cuantitativo y propositivo, tuvo una población conformada por 650 estudiantes y una muestra de 80 alumnos matriculados en el X ciclo de estudios de la escuela de contabilidad de la universidad privada. La técnica utilizada fue la encuesta y el instrumento fue un cuestionario con 38 ítems validado por juicio de expertos con confiabilidad en alfa de Cronbach de 0,906. Los resultados fueron que el bienestar social en la dimensión aceptación social tuvo mayor predominancia alcanzando el 80 % del nivel regular, seguido de integración social con 63,8% y finalmente un 50 % en la dimensión de contribución social. Se concluye que el 61,3% de los estudiantes presentaron un bienestar social regular, manifestando que tenían problemas para integrarse o aceptarse socialmente en las actividades académicas

    Parasitization of Callinectes rathbunae and Callinectes sapidus by the Rhizocephalan Barnacle Loxothylacus texanus in Alvarado Lagoon, Veracruz, Mexico

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    Callinectes rathbunae and CalIinectes sapidus in Alvarado Lagoon, Mexico, were sampled monthly for one year to determine the extent of parasitization by the rhizocephalan cirripede Loxothylacus texanus. Prevalence levels. host sex ratio, carapace width-weight variation, and distribution of the number of parasites among hosts were analyzed. Loxothylacus texanus was present almost exclusively in C. rathbunae with a mean prevalence of 7.58%, while less than 1% of all C. sapidus were parasitized. Callinectes rathbunae constitutes a new host record for this parasite. A study of infection revealed significant variation in prevalence and host size throughout the study period. The sex ratio of parasitized crabs differed from that of the total sample with mares being parasitized more often, and the comparison of carapace width-weight relationships revealed lower weights of parasitized crabs

    Parasitization of Callinectes rathbunae and Callinectes sapidus by the Rhizocephalan Barnacle Loxothylacus texanus in Alvarado Lagoon, Veracruz, Mexico

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    Callinectes rathbunae and CalIinectes sapidus in Alvarado Lagoon, Mexico, were sampled monthly for one year to determine the extent of parasitization by the rhizocephalan cirripede Loxothylacus texanus. Prevalence levels. host sex ratio, carapace width-weight variation, and distribution of the number of parasites among hosts were analyzed. Loxothylacus texanus was present almost exclusively in C. rathbunae with a mean prevalence of 7.58%, while less than 1% of all C. sapidus were parasitized. Callinectes rathbunae constitutes a new host record for this parasite. A study of infection revealed significant variation in prevalence and host size throughout the study period. The sex ratio of parasitized crabs differed from that of the total sample with mares being parasitized more often, and the comparison of carapace width-weight relationships revealed lower weights of parasitized crabs
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