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  • Quality control  (4)
  • Fisheries
  • Industrial Chemistry
  • Inorganic Chemistry
  • Meteorology and Climatology
  • Seismology
  • INP (Ecuador)  (5)
  • Academic Press  (3)
  • 2005-2009  (6)
  • 1955-1959  (2)
  • 1950-1954
Collection
Keywords
Publisher
Years
Year
  • 1
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    Modificación del método rápido enzimático colorimétrico para detectar la presencia de histamina en productos pesqueros (2009)
    INP (Ecuador)
    Details
    Publication Date: 2021-05-19
    Description: Samples of Dolphinfish (Coryphaena hippurus) were analysed for histamine content using the method of Lerke A. Peter, Porcuna N. Martina and Chin B. Henry (1978) with modifications. The samples were previously exposed at room temperature for 18 hours in order to increase their histamine content. Dilutions of 3,4 and 5 mg/ml of horseradish peroxidase (HRP). The present modification improves the Lerke, et. al. (op.cit.) methodology and makes it easy to use in the laboratory and in the field.
    Description: Published
    Keywords: Testing ; Fishery products ; Methodology ; Histamines ; Methodology ; Quality control ; Testing ; Fishery products
    Repository Name: AquaDocs
    Type: Journal Contribution
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    PAPER (OA)
  • 2
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    Un estudio de histamina en Dorado MAHI-MAHI Coryphaena hippurus y su relación con la calidad de producto de la pesca ecuatoriana (2009)
    INP (Ecuador)
    Details
    Publication Date: 2021-05-19
    Description: El presente trabajo llama la atención a las recientes epidemias de intoxicación histamínicas reportadas en los Estados Unidos, debido al consumo del dorado (Coryphaena hippurus) o Mahi-Mah, contaminado. Esto dió como resultado la prohición de las importaciones de esta especie, proveniente de varios países entre ellos el Ecuador, y siendo el dorado una especie de relativa importancia económica en este país, dicha prohibición ha preocupado al sector pesquero. Los estudios llevados a cabo muestran claramente la susceptibilidad de esta especie a desarrollar histamina. Esto se debe principalmente a la temperatura a la que está expuesta, pues la demora antes de enhielar el pescado es la etapa crítica. Los resultados muestran un aumento exponencial de los niveles de histamina, en ciertos casos después de tan solo 9 horas de almacenaje a temperaturas ambientales entre 25-30°C. Los niveles de histamina en pescado muestreado en el mercado local fueron tan altos como 250 mg/100g de muestra. Se demuestra que el problema se debe fundamentalmente al mal manejo de la captura por parte de la flota artesanal, y la subsecuente falta de infraestructura adecuada para conservarla, es decir, no se enfría el pescado. Sin embargo, el estudio muestra que una reducción de la temperatura del pescado de solo 15° menos, podría dar como resultado un producto de mayor calidad. En el presente trabajo se hacen recomendaciones para establecer un nivel máximo permitido para la exportación de 10 mg%, y se comparan dos métodos rápidos de análisis.
    Description: Published
    Keywords: Fisheries ; Histamines ; Quality control ; Fisheries
    Repository Name: AquaDocs
    Type: Journal Contribution
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  • 3
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    Un código de prácticas recomendadas para el procesamiento de camarón (2009)
    INP (Ecuador)
    Details
    Publication Date: 2021-05-19
    Description: Este código de práctica contiene los requerimientos mínimos que deberán cumplir las plantas industriales que se dedican al procesamiento de camarón, para su operación y normal funcionamiento. Los sistemas de control y evaluación contenidos en el presente código se aplicarán anualmente a las plantas procesadoras de camarón a fin de determinar el estado de funcionamiento y servirán de base técnica para el otorgamiento de los permisos anuales de operación.
    Description: Published
    Keywords: Hygiene ; Standards ; Hygiene ; Quality control ; Standards ; Fishery industry plants ; Shrimp fisheries
    Repository Name: AquaDocs
    Type: Journal Contribution
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  • 4
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    Un código de prácticas recomendadas para el procesamiento de productos pesqueros frescos y congelados (2009)
    INP (Ecuador)
    Details
    Publication Date: 2021-05-19
    Description: Este código de práctica contiene los requerimientos mínimos con que deberán cumplir las plantas industriales que se dedican al procesamiento de pescado fresco y congelado. El objeto del presente código es ayudar a todos cuantos se ocupan del procesamiento de pescado, del almacenamiento, distribución, exportación, importación y venta de pescado fresco y congelado, para lograr productos de la mejor calidad posible. El presente código, ofrece normas de procesamiento, manejo y reglamentos de control de calidad e inspección de pescado para el uso del personal que trabaja en la industrias de elaboración de pescado. Los sistemas de control y evaluación contenidos en el presente código se aplicarán anualmente a las plantas procesadoras de pescado a fin de determinar el estado de funcionamiento y servirán de base técnica para el otorgamiento de los permisos anuales de operación.
    Description: Published
    Keywords: Standards ; Frozen products ; Standards ; Quality control ; Fishery industry plants ; Frozen products ; Processed fishery products
    Repository Name: AquaDocs
    Type: Journal Contribution
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  • 5
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    Un estudio de la factibilidad del uso de trampas para peces como un nuevo método de pesca en las Islas Galápagos (2009)
    INP (Ecuador)
    Details
    Publication Date: 2021-05-19
    Description: 153 experimental sets were made with stackable Antillean fish traps in depths of 5 to 30 m in the waters around the Galápagos Island (Ecuador), between Octobre and April 1983. 1,885 fish were caught of 18 species mainly of the families Pomadasyidae, Acanthuridae, Sparidae and Serranidae. The mean catch rate was 5,5 Kg per lift or 0,4 Kg.h-1, and the mean weight of the fish caught was 0,45 Kg. The optimum set duration was found to be between 2 and 18 hours (possibly indicating a high rate of escape). This study took place during the period of the ”El Niño”, when catches of fish in this area generally were low, and it is not known what effect this had. The catches were good compared with other shallow areas, but the fishes caught were mainly of medium quality. It is thought that significant increases in the quantity and quality of the catch could be obtained with commercial traps in deeper areas, but the efficient use of these would require new vessels and equipment, and the resulting increase in fishing effort could lead to overfishing of the most acceptable species of reef fish. Hence the development of fishery using fish traps is not recommended for Galápagos. A study of the biology of the fish caught was carried out. A bibliography of references on fish traps and their use was compiled and is included.
    Description: Published
    Keywords: Fisheries ; Trap fishing ; Fisheries ; Catch statistics ; Trap fishing
    Repository Name: AquaDocs
    Type: Journal Contribution
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  • 6
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    Parameter Estimation and Inverse Problems (2005)
    Academic Press
    In:  Tulsa, Oklahoma, 2nd edition with CD-ROM, Academic Press, vol. 27, pp. 6322, (Hardbound, ISBN: 0-12-065604-3, 320 pp.)
    Details
    Publication Date: 2005
    Description: Contents: Preface 1. Introduction 2. Linear Regression 3. Discretizing Continuous Inverse Problems 4. Rank Deficiency and Ill-Conditioning 5. Tikhonov Regularization 6. Iterative Methods 7. Other Regularization Techniques 8. Fourier Techniques 9. Nonlinear Regression 10. Nonlinear Inverse Problems 11. Bayesian Methods Appendix A: Review of Linear Algebra Appendix B: Review of Probability and Statistics Appendix C: Glossary of Notation; Bibliography; Index It is accompanied by a Web site that contains Matlab code corresponding to all examples. Audience: Students and professionals in Astrophysics, Applied Mathematics, Atmospheric Science, Geologiocal Engineering, Geophysics, Hydrology, Oceanography and related fields.
    Keywords: Textbook of geophysics ; Textbook of engineering ; Inversion ; Non-linear effects ; Statistical investigations ; Data analysis / ~ processing ; Error analysis ; Seismology ; Location
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    BIBLIOGRAPHY SEISMOLOGY
  • 7
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    Physics of the Earth's Interior (1959)
    Academic Press
    In:  New York, 12 + 240 pp., Academic Press, vol. 7, no. XVI:, pp. 385-389, (ISBN 0-12-305355-2)
    Details
    Publication Date: 1959
    Keywords: Textbook of geophysics ; Seismology ; Earth model, also for more shallow analyses !
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    BIBLIOGRAPHY SEISMOLOGY
  • 8
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    Microseisms (1958)
    Academic Press
    In:  Advances in Geophysics, New York, Academic Press, vol. 5, no. 6, pp. 53-92, pp. L24306, (ISBN: 0534351875, 2nd edition)
    Details
    Publication Date: 1958
    Keywords: Micro seismicity ; Seismology ; NOISE
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    BIBLIOGRAPHY SEISMOLOGY
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