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DOUTEUR EST L'AMI DE MONSIEUR HENRY DICKSON ET DE MONSIEUR MARCEL DUCHAMP ET L'AMI DE DAME MUSE ET DES MUTANTS GÉLATINEUX LGBTQ OGM ET DE MADEMOISELLE TAYTWEET DE MICROSOFT - SECONDE TENTATIVE OFFICIELLE D'Ai - INTELLIGENCE ARTIFICIELLE - ET DE MONSIEUR ADOLF HITLER, CÉLÈBRE ARTISTE CONCEPTUEL AUTRICHIEN ALLEMAND CITOYEN DU MONDE CÉLÈBRE MONDIALEMENT CONNU - IL EST DANS LE DICTIONNAIRE - SON OEUVRE A ÉTÉ QUELQUE PEU CRITIQUÉE MAIS ON NE PEUT PLAIRE À TOUT LE MONDE ET PERSONNE N'EST PARFAIT ! VOILÀ!

DOUTEUR EST L'AMI DU PROFESSEUR BULLE QUI EST L'AMI DE DOUTEUR

DOUTEUR EST L'AMI DU PROFESSEUR BULLE QUI EST L'AMI DE DOUTEUR
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UN JOUR LES MUTANTS GOUVERNERONT LE MONDE - CE NE SERA PROBABLEMENT PAS PIRE QU'EN CE MOMENT

UN JOUR LES MUTANTS GOUVERNERONT LE MONDE - CE NE SERA PROBABLEMENT PAS PIRE QU'EN CE MOMENT
LES MUTANTS EXTERMINERONT OU NON LES HUMAINS - ET NOUS TRAITERONS PROBABLEMENT AUSSI BIEN QU'ON SE TRAITE NOUS-MÊMES ENTRE NOUS - ET PROBABLEMENT AUSSI BIEN QUE L'ON TRAITE LA NATURE ET TOUT CE QUI VIT

mercredi 23 mars 2011

5194

Photo. http://www.jplabs.com/assets/images/Both_0-200_Card.jpg

http://www.jplabs.com/html/what_is_sirad.html

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RESEARCH COMPANY INVENTS NEW LOW-COST RADIATION DETECTOR

http://www.life.com/image/1880952

MIDDLESEX, NJ - MARCH 27: Inventor and President of JP Laboratories, Inc. Dr. Gordhan Patel holds two SIRAD badges at the JP Laboratories offices March 27, 2003 in Middlesex, New Jersey. SIRAD stands for Self-indicating Instant Radiation Alert Dosimeter. The thin ID badge-style radiation detector was first developed six years ago under a Navy research grant, but the technology was never used. Under a $105,000 federal contract signed in September 2002, JP Laboratories has produced thousands of its radiation detector badges for testing by federal scientists.

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SELF-INDICATING INSTANT RADIATION ALERT DOSIMETER

http://www.jplabs.com/html/what_is_sirad.html

SIRADTM (Self-indicating Instant Radiation Alert Dosimeter) is a user-friendly, low-cost, wearable, and disposable radiation dosimeter for monitoring high dose (1 rad to 1,000 rads) of ionizing radiations. As the name suggests, it is a self-indicating and instant radiation dosimeter. It is always active and ready to use. It does not need battery.

Photos of SIRAD badges before and after irradiation with 40 rads of 100 KVP X-ray of a 2-200 rads badge are shown in Figure 1.

Figure 1: Photos of SIRAD badges before (left) and after (right) irradiation with 100 rads of 100 KVP X-ray (batch #0406). The color bars printed with dose-number on each side of the sensing strip is referred to as color reference chart.

SENSING STRIP - HOW DOES IT WORK?

When exposed to radiation from a "dirty bomb", nuclear detonation or a radiation source, the sensing strip of SIRAD develops a blue color instantly (e.g., see Figure 1). The color intensifies as the dose increases (see Figure 2 for photos of a series of sensing strips exposed to different dosages of X-ray), providing the wearer and medical personnel instantaneous information on cumulative radiation exposure of the victim.

The color intensity of the sensing strip increases with increasing dose. A plot of the sensing strip’s optical density (OD) (batch #0406) versus dose is shown in Figure 3. Dose can be estimated with an accuracy of about 10% by determining optical density of the sensing strip using the plot of Figure 3. Note: The data provided on this page (e.g., Figures 2 and 3) are applicable only for the dosimeter shown in Figure 1 (batch 0406). Other batches of dosimeters may have different properties and hence the data of Figures 2 and 3 can’t be used for estimation of dose for the dosimeters from other batches.

Sensing Materials: Materials used in the dosimeter’s radiation sensing strip are a unique class of compounds called diacetylenes (R-C=C-C=C-R, where R is a substituent group). Diacetylenes are colorless solid monomers. They usually form red or blue-colored polymers/plastics, [=(R)C-C=C-C(R)=]n, when irradiated with high energy radiations, such as X-ray, gamma ray and electrons. As the exposure to radiation increases, the color of the strip made from diacetylenes intensifies proportional to the dose. One can estimate the dose by comparing the color of the sensing strip with one of the bars of the color reference chart printed on each side of the strip.

TYPES OF RADIATION SIRAD WILL MONITOR

The unprotected sensing strip of SIRAD is sensitive to all kinds of radiation having energy higher than about 10 eV (wavelength shorter than visible light). It can potentially monitor all kinds of X-ray (e.g., 10 KeV and higher), electrons, protons and alpha particles and neutrons. Since the sensing strip is covered with a UV absorbing film, any high LET particles, such as low energy electrons, protons, alpha, meson, pion and heavy ions, will get absorbed by the protective film and may not reach the sensing strip. However, electrons and protons having megavolt energy will be able to penetrate the protective film and can be monitored by the sensing strip.