CR-39 Detectors
Lead Projectile Fragmentation on Aluminum Target: Improved Experimental Results
... The CR-39 detectors, placed upstream the targets registered the total number of incident Pb ions and detectors placed after the target recorded both the survived Pb ions and the fragments ...
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Calibration of UV-Radiation Dose with Irradiation Time for CR-39 Track Detector by Using UV-visible Spectrophotometer
... to CR-39 detectors by uv-irradiation leads to excitation and ionization of the molecular chains , hence to radical formation, main chain scission , and also to cross-linking of polymeric chains [1] ...
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Study of CR-39 SSNDs Irradiated with Different Types of Radiation by FTIR Spectroscopy and -Range Determination
... of CR-39 are irradiated with 2 Gy of gamma rays from ALCYON-II Co-60 teletherapy machine in the Oncology unit of Zagazig University Hospitals, also CR- 39 recorders are irradiated with X-rays ...
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Indoor Radon Concentration for Phosphate Rocks Samples Using CR-39 Detector.
... of CR-39 of 700 µm thickness (American Technical Plastic, ...the detectors were collected and chemically etched in NaOH solution ...the CR-39 detectors were washed in distilled ...
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222Rn and 220Rn Concentrations Measured in Bottled Sweet Drinks and Their Residual Gases and Resulting Radiation Doses to the Consumers
... the CR-39 detectors ...the CR-39 and LR-115 II SSNTDs were determined by means of an ordinary ...the CR-39 and LR-115 II SSNTDs were evaluated by placing these films in ...
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Radon Concentration in the Work Atmosphere of Cement Plants in the Sulaymaniyah Area, Iraq
... passive detectors to determine the radon concentration value in homes and ...the CR- 39 detectors can be used successfully to measure the radon concentration in cement products of Iraq cement ...
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Measurements of 222Rn, 220Rn and Their Decay Products in the Environmental Air of the Errachidia Area (Morocco) Using SSNTDs
... 7 hours for the CR-39 detectors [2]. After this etching treatment, the track densities registered on the CR-39 and LR-115 II SSNTDs were determined by means of an optical microscope ...
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Studying Different Etching Methods Using CR 39 Nuclear Track Detector
... the CR-39 detectors instead of the microwave oven, (Monowave300) type from the production company (Anton Parr) Austrian, with a frequency of ...the detectors in special test tube then putting ...
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Measuring Uranium Concentrations in Soil Samples of Midland Refineries Company - Doura - Baghdad – Iraq
... Samples were collected from the area of the Abu Tayara Street and ALshortaa District that outside distance 3.3 km from the refinery, and then the sampling rate for each area was taken , as shown Fig. 2. The samples were ...
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Richard Oriani’s PACA Protocol
... with CR-39 detectors and in looking at photos of other researchers’ CR-39 results that showed multiple tracks origi- nating from one ...the CR-39 generate a ...a ...
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U and Th Determination in Natural Samples Using CR 39 and LR 115 Track Detectors
... Solid State Nuclear Track Detectors, SSNTD are widely used in different applications related to α-track registra- tion [1-4]. One of the most applications is the U and Th determination in natural materials. Th in ...
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Precision Spectroscopy of Kaonic Helium-3 Atoms X-rays at J-PARC
... layer. The temperature of the SDDs is kept at ∼ 150 K dur- ing the experimental period by a connection to the thermal- radiation shield for the liquid 3 He target cooled by liquid nitrogen. Typical energy resolution is ∼ ...
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PERFORMANCE EVALUATION OF CORNER DETECTORS: A SURVEY
... Edge detectors have occasionally been evaluated through specific tasks. The reasoning is that feature detection is not the end goal but only the input for further processing. Hence, the best performance measure is ...
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Open type ferry safety systems design for using LNG fuel
... heat detectors instead of smoke detectors and the installation of gas detectors at certain areas of the ...fire detectors inside the LNGPac TM system can be connected to an appropriate fire ...
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A Theoretical Investigation by DFT Method on CR – 39 Monomer that is a Plastic Polymer Commonly Used in the Manufacture of Eyeglass Lenses
... or CR–39 is a plastic to make lenses for eyeglasses ...first 39 monomer was to help create reinforced plastic fuel tanks for the B-17 bomber aircraft in World War II, reducing weight and increasing ...
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Detectors Refractive Index Detectors pdf
... The refractive index detector was one of the R rst online detectors to be developed and was described by Tiselius and Claesson in 1942. It was also one of the R rst online liquid chromatography (LC) ...
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Measure the Bulk Etch Rate Using the Time Diameter Method
... Also Figures 5-8 show the relationship between the etching time and the diameters of alpha particles in CR-39 detector for different energies of alpha particles (3.0, 3.6, 4.0 and 5.0 MeV) that have been ...
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Study of the linearity of CABRI experimental ionization chambers during RIA transients
... In the Figure 4, HN1 and HN2 are the neutron detectors used to control the reactor in normal operating conditions (except for transients). They are used in the safety chain of the reactor. The response time of ...
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Measurement of UVA exposure to solar radiation
... It was found 5 that UVA exposure can induce pyrimidine dimers and, therefore, can cause DNA damage in human skin. A recent publication 6 suggests that daily UVA exposure of 50-200 kJ m-2 (less than 0.5 MED) for 8 days ...
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MBER Turbo Multiuser Beamforming Aided QPSK Receiver Design using EXIT Chart Analysis
... Abstract— This paper studies the mutual information transfer char- acteristics of a novel iterative soft interference cancellation (SIC) aided beamforming receiver designed for quadrature phase shift keying (QPSK) ...
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