6,300 research outputs found

    Some properties of topological groups

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    Assessing the impacts of climate change on marine fisheries of Karnataka and identifying regime shifts

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    Climate related regime shifts, namely the rapid reorganization of marine ecosystems from one relatively stable state to another, have been reported from several parts of the world, and found responsible for the fluctuations of major fisheries. Time series on ocean-atmosphere parameters together with time series on plankton and/or fish abundance has been extensively used for identifying regime shifts in the oceans from several parts of the globe

    Cancer in the Sindhi population of greater Bombay

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    The Sindhis are a Hindu subgroup identified by their place of origin and their written spoken language. These are the people who were originally inhabitants of the Province of Sind, which formed a part of the large Bombay Presidency in Undivided India before 1947. The Sindhi Hindus migrated en masse to India after partition. An attempt has been made here to examine the differences found in the site-specific cancer risks among the Sindhi community, the other Hindu groups (such as the Marathi and Gujrati populations) and the Parsi community of Greater Bombay. As the Indian Census Board does not provide age distribution details for the Sindhis, analysis of the data was undertaken employing frequency ratios. Age-standardized cancer ratios (ASCAR) were also utilized for certain calculations. The common sites of cancer appear to vary greatly between the total Bombay population and the Sindhi group. In Sindhi men, for example, cancers of the lung, large bowel, prostate, kidneys and leukemias are most commonly seen, whereas laryngeal and oesophageal cancers predominate in the general population of Bombay. In Sindhi women the breast, uterus, ovary, and skin are the preferred sites, whereas cancers of the cervix and leukemias are predominant in the general population of Bombay. It is interesting to note that there is a degree of similarity in the incidence of cancer at certain anatomical sites, such as the prostate, large intestine, and leukemias in males, and breast, cervix, ovary and uterus in females, between the Sindhi and Parsi communities of Greater Bombay

    Chemical investigation of Indian lichens. Part XXI. Occurrence of fallacinal in Teloschistes flavicans

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    Dealing with inaccurate face detection for automatic gender recognition with partially occluded faces

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    Gender recognition problem has not been extensively studied in situations where the face cannot be accurately detected and it also can be partially occluded. In this contribution, a comparison of several characterisation methods of the face is presented and they are evaluated in four different experiments that simulate the previous scenario. Two of the characterization techniques are based on histograms, LBP and local contrast values, and the other one is a new kind of features, called Ranking Labels, that provide spatial information. Experiments have proved Ranking Labels description is the most reliable in inaccurate situation

    An instance of mass mortality in the Muttukadu farm near Madras during April 1983

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    An unusual mortality of fishes and other organisms was observed in the open site surrounding the farm at Mariculture Centre of CMFRI, Muttukadu.at 1983. During this season the prevailing high temperature and salinity and the enclosed nature of the water body, all resulted in an intense bloom of dinophytes. This led to oxygen depletion of the waters and then, very likely, of the mud. The regular operation of drag nets and gill nets has stirred up the mud and created large scale disturbance which, combined with the oxygen depletion, must have precipitated the crisis and led to the mortality of prawns and fishes
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