7 research outputs found

    Collective behaviour of partons could be a source of energetic hadrons

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    We discuss the idea that collective behaviour of the quarks/partons, which has been intensely discussed for the last 40 years in relativistic hadron-nuclear and nuclear-nuclear interactions and confirmed by new data coming from the ultrarelativistic heavy ion collisions, can lead to energetic particle production. Created from hadronization of the quark/parton (or quarks/partons), energetic particles could get the energy of grouped partons from coherent interactions. Therefore, we think that in the centre of some massive stars, a medium with high density, close to Quantum Chromodynamic one could be a source of the super high-energy cosmic rays.Comment: 8 pages, 8 figure

    Quantifying Killing of Orangutans and Human-Orangutan Conflict in Kalimantan, Indonesia

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    Human-orangutan conflict and hunting are thought to pose a serious threat to orangutan existence in Kalimantan, the Indonesian part of Borneo. No data existed prior to the present study to substantiate these threats. We investigated the rates, spatial distribution and causes of conflict and hunting through an interview-based survey in the orangutan's range in Kalimantan, Indonesia. Between April 2008 and September 2009, we interviewed 6983 respondents in 687 villages to obtain socio-economic information, assess knowledge of local wildlife in general and orangutan encounters specifically, and to query respondents about their knowledge on orangutan conflicts and killing, and relevant laws. This survey revealed estimated killing rates of between 750 and 1800 animals killed in the last year, and between 1950 and 3100 animals killed per year on average within the lifetime of the survey respondents. These killing rates are higher than previously thought and are high enough to pose a serious threat to the continued existence of orangutans in Kalimantan. Importantly, the study contributes to our understanding of the spatial variation in threats, and the underlying causes of those threats, which can be used to facilitate the development of targeted conservation management

    Student services programs of De La Salle-Health Sciences Campus as evaluated by selected radiologic technology students during school year 2006-2007

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    The study used the descriptive method of research. The respondents were 165 radiologic technology students of De La Salle-Health Sciences Campus selected using stratified random sampling. The questionnaire consisted of a five-point scale which was adapted from the study of Taeza et al. (2006). Frequency, percentage, means, t-test and ANOVA were the statistical tools used. The following conclusions were drawn: (1) The respondents considered the student services offered by De La Salle-Health Sciences Campus, specifically Accounting Office, Canteen, Guidance/Student Affairs Office and Library, as Very Good. This means that the given services almost meet the standard of the respondents. However, respondents evaluated the Registrar’s Office as Good. The respondents fairly rated the services provided by the Registrar’s Office; (2) Age was a factor to consider in the evaluation of the respondents to the student services programs of De La Salle-Health Sciences Campus; (3) Gender did not affect the evaluation of the respondents. Male and female had same evaluation of the student services programs of De La Salle-Health Sciences Campus; (4) Student type did not affect the respondents’ evaluation of the Student Services Program of De La Salle-Health Sciences Campus. Regular and irregular students had the same evaluation; (5) Year level is a factor to consider in the evaluation of the respondents to the student services program of De La Salle-Health Sciences Campus
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