Device for analyzing the activity of a radioactive aerosol depending on the granular dimensions of its particles
Dispositif d'analyse de l'activité d'un aérosol radioactif en fonction de la granulométrie de ses particules, comportant des moyens pour établir un champ électrique entre les plaques d'injection (G1, Gi...Gn) et de collection (P1, Pi...Pn) de chacun desdits étages (E1, Ei...En) e...
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| creator | MADELAINE, GUY POURPRIX, MICHEL |
| description | Dispositif d'analyse de l'activité d'un aérosol radioactif en fonction de la granulométrie de ses particules, comportant des moyens pour établir un champ électrique entre les plaques d'injection (G1, Gi...Gn) et de collection (P1, Pi...Pn) de chacun desdits étages (E1, Ei...En) en vue de l'établissement d'un courant d'ionisation à travers un étage lors de la désintégration des particules collectées dans ce dernier, et des moyens (A) pour mesurer le courant d'ionisation de l'un desdits étages. Application à la réalisation de dispositifs de sécurité.
Device for analyzing the activity of a radioactive aerosol as a function of the grain size distribution of its particles of the type comprising a tight enclosure, means for circulating the aerosol through said enclosure and within the latter, a plurality of stages for collecting aerosol particles with a given grain size, each of the stages comprising an aerosol injection plate perforated by at least one calibrated opening and a collection plate for particles of a given grain size, wherein it comprises means for establishing an electric field between the injection and collection plates of each of the stages with a view to establishing an ionization current through a stage during the disintegration of the particles collected in the latter and means for measuring the ionization current of one of the said stages. |
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Device for analyzing the activity of a radioactive aerosol as a function of the grain size distribution of its particles of the type comprising a tight enclosure, means for circulating the aerosol through said enclosure and within the latter, a plurality of stages for collecting aerosol particles with a given grain size, each of the stages comprising an aerosol injection plate perforated by at least one calibrated opening and a collection plate for particles of a given grain size, wherein it comprises means for establishing an electric field between the injection and collection plates of each of the stages with a view to establishing an ionization current through a stage during the disintegration of the particles collected in the latter and means for measuring the ionization current of one of the said stages.</description><language>eng ; fre ; ger</language><subject>INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIRCHEMICAL OR PHYSICAL PROPERTIES ; MEASUREMENT OF NUCLEAR OR X-RADIATION ; MEASURING ; PHYSICS ; TESTING</subject><creationdate>1980</creationdate><oa>free_for_read</oa><woscitedreferencessubscribed>false</woscitedreferencessubscribed></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktohtml>$$Uhttps://worldwide.espacenet.com/publicationDetails/biblio?FT=D&date=19800319&DB=EPODOC&CC=EP&NR=0008967A1$$EHTML$$P50$$Gepo$$Hfree_for_read</linktohtml><link.rule.ids>230,308,776,881,25544,76293</link.rule.ids><linktorsrc>$$Uhttps://worldwide.espacenet.com/publicationDetails/biblio?FT=D&date=19800319&DB=EPODOC&CC=EP&NR=0008967A1$$EView_record_in_European_Patent_Office$$FView_record_in_$$GEuropean_Patent_Office$$Hfree_for_read</linktorsrc></links><search><creatorcontrib>MADELAINE, GUY</creatorcontrib><creatorcontrib>POURPRIX, MICHEL</creatorcontrib><title>Device for analyzing the activity of a radioactive aerosol depending on the granular dimensions of its particles</title><description>Dispositif d'analyse de l'activité d'un aérosol radioactif en fonction de la granulométrie de ses particules, comportant des moyens pour établir un champ électrique entre les plaques d'injection (G1, Gi...Gn) et de collection (P1, Pi...Pn) de chacun desdits étages (E1, Ei...En) en vue de l'établissement d'un courant d'ionisation à travers un étage lors de la désintégration des particules collectées dans ce dernier, et des moyens (A) pour mesurer le courant d'ionisation de l'un desdits étages. Application à la réalisation de dispositifs de sécurité.
Device for analyzing the activity of a radioactive aerosol as a function of the grain size distribution of its particles of the type comprising a tight enclosure, means for circulating the aerosol through said enclosure and within the latter, a plurality of stages for collecting aerosol particles with a given grain size, each of the stages comprising an aerosol injection plate perforated by at least one calibrated opening and a collection plate for particles of a given grain size, wherein it comprises means for establishing an electric field between the injection and collection plates of each of the stages with a view to establishing an ionization current through a stage during the disintegration of the particles collected in the latter and means for measuring the ionization current of one of the said stages.</description><subject>INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIRCHEMICAL OR PHYSICAL PROPERTIES</subject><subject>MEASUREMENT OF NUCLEAR OR X-RADIATION</subject><subject>MEASURING</subject><subject>PHYSICS</subject><subject>TESTING</subject><fulltext>true</fulltext><rsrctype>patent</rsrctype><creationdate>1980</creationdate><recordtype>patent</recordtype><sourceid>EVB</sourceid><recordid>eNqNiz0KwkAQRtNYiHqHuYAQEfwpg0YsLezDsDuJA-vMsrMG4uk1wQNYffC-9-ZFPFPPjqDVBCgYhjdLB_lBgC5zz3kAbQEhoWed0PehpKYBPEUSP_oqU9IllFfABJ6fJMYqNtacDSKmzC6QLYtZi8Fo9dtFAZf6frquKWpDFtGRUG7qW1mWh-NuX222fygfz1dDEA</recordid><startdate>19800319</startdate><enddate>19800319</enddate><creator>MADELAINE, GUY</creator><creator>POURPRIX, MICHEL</creator><scope>EVB</scope></search><sort><creationdate>19800319</creationdate><title>Device for analyzing the activity of a radioactive aerosol depending on the granular dimensions of its particles</title><author>MADELAINE, GUY ; POURPRIX, MICHEL</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-epo_espacenet_EP0008967A13</frbrgroupid><rsrctype>patents</rsrctype><prefilter>patents</prefilter><language>eng ; fre ; ger</language><creationdate>1980</creationdate><topic>INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIRCHEMICAL OR PHYSICAL PROPERTIES</topic><topic>MEASUREMENT OF NUCLEAR OR X-RADIATION</topic><topic>MEASURING</topic><topic>PHYSICS</topic><topic>TESTING</topic><toplevel>online_resources</toplevel><creatorcontrib>MADELAINE, GUY</creatorcontrib><creatorcontrib>POURPRIX, MICHEL</creatorcontrib><collection>esp@cenet</collection></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext_linktorsrc</fulltext></delivery><addata><au>MADELAINE, GUY</au><au>POURPRIX, MICHEL</au><format>patent</format><genre>patent</genre><ristype>GEN</ristype><title>Device for analyzing the activity of a radioactive aerosol depending on the granular dimensions of its particles</title><date>1980-03-19</date><risdate>1980</risdate><abstract>Dispositif d'analyse de l'activité d'un aérosol radioactif en fonction de la granulométrie de ses particules, comportant des moyens pour établir un champ électrique entre les plaques d'injection (G1, Gi...Gn) et de collection (P1, Pi...Pn) de chacun desdits étages (E1, Ei...En) en vue de l'établissement d'un courant d'ionisation à travers un étage lors de la désintégration des particules collectées dans ce dernier, et des moyens (A) pour mesurer le courant d'ionisation de l'un desdits étages. Application à la réalisation de dispositifs de sécurité.
Device for analyzing the activity of a radioactive aerosol as a function of the grain size distribution of its particles of the type comprising a tight enclosure, means for circulating the aerosol through said enclosure and within the latter, a plurality of stages for collecting aerosol particles with a given grain size, each of the stages comprising an aerosol injection plate perforated by at least one calibrated opening and a collection plate for particles of a given grain size, wherein it comprises means for establishing an electric field between the injection and collection plates of each of the stages with a view to establishing an ionization current through a stage during the disintegration of the particles collected in the latter and means for measuring the ionization current of one of the said stages.</abstract><oa>free_for_read</oa></addata></record> |
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| subjects | INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIRCHEMICAL OR PHYSICAL PROPERTIES MEASUREMENT OF NUCLEAR OR X-RADIATION MEASURING PHYSICS TESTING |
| title | Device for analyzing the activity of a radioactive aerosol depending on the granular dimensions of its particles |
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