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[{"key": "dc.contributor.advisor", "value": "Kumpulainen, Jaana", "language": null, "element": "contributor", "qualifier": "advisor", "schema": "dc"}, {"key": "dc.contributor.advisor", "value": "Puurunen, Aki", "language": null, "element": "contributor", "qualifier": "advisor", "schema": "dc"}, {"key": "dc.contributor.author", "value": "Nyk\u00e4nen, Anssi", "language": null, "element": "contributor", "qualifier": "author", "schema": "dc"}, {"key": "dc.date.accessioned", "value": "2016-10-24T08:51:38Z", "language": null, "element": "date", "qualifier": "accessioned", "schema": "dc"}, {"key": "dc.date.available", "value": "2016-10-24T08:51:38Z", "language": null, "element": "date", "qualifier": "available", "schema": "dc"}, {"key": "dc.date.issued", "value": "2016", "language": null, "element": "date", "qualifier": "issued", "schema": "dc"}, {"key": "dc.identifier.other", "value": "oai:jykdok.linneanet.fi:1575973", "language": null, "element": "identifier", "qualifier": "other", "schema": "dc"}, {"key": "dc.identifier.uri", "value": "https://jyx.jyu.fi/handle/123456789/51671", "language": null, "element": "identifier", "qualifier": "uri", "schema": "dc"}, {"key": "dc.description.abstract", "value": "Avol\u00e4hdety\u00f6skentelyss\u00e4 radioaktiivisia aineita voi vapautua laboratorion poistoilmaan kaasumaisena tai aerosoleina. S\u00e4teilylain mukaan toiminnan harjoittajan tulee m\u00e4\u00e4ritt\u00e4\u00e4 n\u00e4in syntyv\u00e4t p\u00e4\u00e4st\u00f6t ja niiden vaikutukset ymp\u00e4rist\u00f6ss\u00e4 oleskelevien ihmisten s\u00e4teilyannoksiin. T\u00e4ss\u00e4 tutkimuksessa mitattiin ilmanvaihdon kautta avol\u00e4hdelaboratorion ulkopuolelle p\u00e4\u00e4tyvien radioaktiivisten p\u00e4\u00e4st\u00f6jen m\u00e4\u00e4r\u00e4\u00e4. Mittaus toteutettiin MAP Medical Technologies Oy:n (MAP) vanhalla p\u00e4\u00e4st\u00f6mittausj\u00e4rjestelm\u00e4ll\u00e4 tuottamalla siihen uusi laskentaohjelmisto. Tuloksia vertailtiin MAP:n uuden j\u00e4rjestelm\u00e4n tuottamiin tuloksiin sek\u00e4 erikoisty\u00f6ss\u00e4 laskettuihin p\u00e4\u00e4st\u00f6rajoihin. Vertailussa todettiin, ett\u00e4 eri j\u00e4rjestelmill\u00e4 lasketut 131I-p\u00e4\u00e4st\u00f6t vastaavat hyvin toisiaan. Sen sijaan 123I-p\u00e4\u00e4st\u00f6t erosivat toisistaan vakiokertoimella, mink\u00e4 oletettiin johtuvan eroista kalibroinnissa. Alkuvuoden 2016 aikana mitatut p\u00e4\u00e4st\u00f6t alittavat selv\u00e4sti p\u00e4\u00e4st\u00f6rajat.", "language": "fi", "element": "description", "qualifier": "abstract", "schema": "dc"}, {"key": "dc.description.abstract", "value": "When working with open radioactive sources, radioactive gases and aerosols can be released with air exhausts. According to Finnish radiation regulations, the operator is responsible for determining the amount of radioactive discharges and their effects on effective dose of local population. In this study the amount of radioactive discharges in air exhausts of open source laboratory were measured. The measurements were executed by developing a new computation software for the old discharge measurement system used at MAP Medical Technologies Oy (MAP). Obtained results were compared to those provided by newer measurement system used at MAP and discharge limits defined in Annex of this study. Different systems produced very similar results for 131I discharges, but the results for 123I differed by a constant factor. The difference in 123I results was assumed to be due to differences in calibration. The discharges measured during the early 2016 were distinctly lower than the discharge limits.", "language": "en", "element": "description", "qualifier": "abstract", "schema": "dc"}, {"key": "dc.description.provenance", "value": "Submitted using Plone Publishing form by Anssi Nyk\u00e4nen (anolnyka) on 2016-10-24 08:51:36.394822. Form: Pro gradu -lomake (https://kirjasto.jyu.fi/julkaisut/julkaisulomakkeet/pro-gradu-lomake). JyX data: [jyx_publishing-allowed (fi) =True]", "language": "en", "element": "description", "qualifier": "provenance", "schema": "dc"}, {"key": "dc.description.provenance", "value": "Submitted by jyx lomake-julkaisija (jyx-julkaisija.group@korppi.jyu.fi) on 2016-10-24T08:51:38Z\nNo. of bitstreams: 2\nURN:NBN:fi:jyu-201610244417.pdf: 2340591 bytes, checksum: cbdceb9a252d8f788b16d5c85001767b (MD5)\nlicense.html: 4827 bytes, checksum: 362d47f8c028bcd3ac5af2c0fee7c6e5 (MD5)", "language": "en", "element": "description", "qualifier": "provenance", "schema": "dc"}, {"key": "dc.description.provenance", "value": "Made available in DSpace on 2016-10-24T08:51:38Z (GMT). No. of bitstreams: 2\nURN:NBN:fi:jyu-201610244417.pdf: 2340591 bytes, checksum: cbdceb9a252d8f788b16d5c85001767b (MD5)\nlicense.html: 4827 bytes, checksum: 362d47f8c028bcd3ac5af2c0fee7c6e5 (MD5)\n Previous issue date: 2016", "language": "en", "element": "description", "qualifier": "provenance", "schema": "dc"}, {"key": "dc.format.extent", "value": "1 verkkoaineisto (34 sivua)", "language": null, "element": "format", "qualifier": "extent", "schema": "dc"}, {"key": "dc.format.mimetype", "value": "application/pdf", "language": null, "element": "format", "qualifier": "mimetype", "schema": "dc"}, {"key": "dc.language.iso", "value": "fin", "language": null, "element": "language", "qualifier": "iso", "schema": "dc"}, {"key": "dc.rights", "value": "In Copyright", "language": "en", "element": "rights", "qualifier": null, "schema": "dc"}, {"key": "dc.subject.other", "value": "radioaktiiviset p\u00e4\u00e4st\u00f6t", "language": null, "element": "subject", "qualifier": "other", "schema": "dc"}, {"key": "dc.subject.other", "value": "avol\u00e4hdelaboratorio", "language": null, "element": "subject", "qualifier": "other", "schema": "dc"}, {"key": "dc.title", "value": "Radioaktiivisten p\u00e4\u00e4st\u00f6jen mittaaminen ilmanvaihdon poistoilmasta", "language": null, "element": "title", "qualifier": null, "schema": "dc"}, {"key": "dc.type", "value": "master thesis", "language": null, "element": "type", "qualifier": null, "schema": "dc"}, {"key": "dc.identifier.urn", "value": "URN:NBN:fi:jyu-201610244417", "language": null, "element": "identifier", "qualifier": "urn", "schema": "dc"}, {"key": "dc.type.ontasot", "value": "Pro gradu -tutkielma", "language": "fi", "element": "type", "qualifier": "ontasot", "schema": "dc"}, {"key": "dc.type.ontasot", "value": "Master\u2019s thesis", "language": "en", "element": "type", "qualifier": "ontasot", "schema": "dc"}, {"key": "dc.contributor.faculty", "value": "Matemaattis-luonnontieteellinen tiedekunta", "language": "fi", "element": 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"qualifier": "accesslevel", "schema": "dc"}, {"key": "dc.type.publication", "value": "masterThesis", "language": null, "element": "type", "qualifier": "publication", "schema": "dc"}, {"key": "dc.subject.oppiainekoodi", "value": "4021", "language": null, "element": "subject", "qualifier": "oppiainekoodi", "schema": "dc"}, {"key": "dc.subject.yso", "value": "p\u00e4\u00e4st\u00f6t", "language": null, "element": "subject", "qualifier": "yso", "schema": "dc"}, {"key": "dc.subject.yso", "value": "radioaktiiviset j\u00e4tteet", "language": null, "element": "subject", "qualifier": "yso", "schema": "dc"}, {"key": "dc.subject.yso", "value": "s\u00e4teilysuojelu", "language": null, "element": "subject", "qualifier": "yso", "schema": "dc"}, {"key": "dc.subject.yso", "value": "laskentaj\u00e4rjestelm\u00e4t", "language": null, "element": "subject", "qualifier": "yso", "schema": "dc"}, {"key": "dc.format.content", "value": "fulltext", "language": null, "element": "format", "qualifier": "content", 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