lape
LAPE e-log
Fields marked with
*
are required
Entry time:
Wed Sep 2 10:52:16 2026
Author
*
:
Type
*
:
- please select -
Routine
Software Installation
Problem Fixed
Configuration
Other
Category:
- please select -
General
Hardware
Software
Network
Other
Aividades do LAPE
Detectores de M?ons
Hardware Problem
Cintiladores
RioPix
Espectroscopia
Subject:
<p> <table width="98%" align="center" cellspacing="1" style="border:1px solid #486090;"> <tbody> <tr> <td cellpadding="3px" style="background-color:#486090; font-weidht:bold; color:white;">Quote:</td></tr> <tr> <td cellpadding="10px" style="background-color:#FFFFB0;"><p>Como a Érica pediu, eu vou catalogar as fontes radioativas do laboratório.</p> <p> </p> <p>Primeiramente uma lista das fontes da Phywe. (Coloridas) </p> <table cellspacing="1" cellpadding="1" border="1" style="width: 530px; height: 187px;"> <thead> <tr> <th width="113" scope="col">Elemento</th> <th width="251" scope="col">Modo de decaimento e Energia</th> <th width="149" scope="col">Atividade</th> </tr> </thead> <tbody> <tr> <td width="113">Po 210</td> <td width="251"> <p>Alfa - 5.4 MeV</p> </td> <td width="149">(morta)</td> </tr> <tr> <td width="113">Tl 204</td> <td width="251">Beta - 763,.7 KeV</td> <td width="149">~ 25 Bq</td> </tr> <tr> <td width="113">Sr 90</td> <td width="251">Beta - 545.8 KeV</td> <td width="149">~90 Bq (atividade parecida nas duas fontes)</td> </tr> <tr> <td width="113">Co 60</td> <td width="251">Beta - 2.8 MeV; Gama - 1.17 MeV, Gama - 1.13MeV</td> <td width="149">~8 Bq (atividade parecida nas duas fontes)</td> </tr> <tr> <td width="113">Cs 137</td> <td width="251">Beta - 1.2 Mev; Gama - 661.1 KeV</td> <td width="149">~110 Bq(atividade parecida nas duas fontes)</td> </tr> </tbody> </table> <p>Taxas em Grey (1 Grey = 1 Sv para Beta e Gama. E 1Grey = 20 Sv para Alfa) (Calculados em http://www.radprocalculator.com/Index.aspx)</p> <table cellspacing="1" cellpadding="1" border="1" style="width: 443px; height: 105px;"> <thead> <tr> <th width="95" scope="col">Elemento</th> <th width="335" scope="col">Dose (1 metro de distância)</th> </tr> </thead> <tbody> <tr> <td width="95">Tl 204</td> <td width="335"> </td> </tr> <tr> <td width="95">Sr 90</td> <td width="335">1.002497E-007(Beta)</td> </tr> <tr> <td width="95">Co 60</td> <td width="335">~0( Beta) 2.450959E-009 (Gama)</td> </tr> <tr> <td width="95">Cs 137</td> <td width="335">2.351646E-007(Beta) + 8.372258E-009 ( Gama)</td> </tr> </tbody> </table> <p> </p> <p>Medimos a dose na bancada onde estào as fontes (todas elas) e encontramos 0.17 uSv/h. Colocando 10000 horas em um ano, temos uma taxa de 7mSv por ano. </p> <p>Vinícius</p></td> </tr> </tbody> </table> </p><p> </p>
Encoding
:
HTML
ELCode
plain
Suppress Email notification
Attachment 1:
ELOG V2.9.2-2455