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  • Radiation Sterilization of Polycarbonate-Polyestercarbonate Copolymers (.pdf)
    . The color shift in the. into account the 20% lower irradiation dose. These results. samples was measured in all cases within one week of. indicate that the color stabilizer added to the PC+GS. irradiation. sample is more effective for standard PC at higher doses of. electron-beam radiation than
  • radiation hardness
    qualified components are required above a radiation dose of a few hundred Rad.
  • Radiation-Hardened Motors
    to provide sufficient power and torque to move the load. The system also needed to have positional as well as velocity control, and had to be totally reliable, even when the assembly would be subjected to massive doses of radiation, heat, and nitric acid fumes. Replacement of components
  • Intensity-Modulated Radiosurgery System (.pdf)
    as the high field dose would destroy conventional encoder technology. Varian's radiation system was designed to deliver distinct radiation doses to thousands of different segments per tumor - almost like a free-flowing radiation gun. To do this, the multileaf collimator reshapes the opening for radiation
  • Radiation Tolerance of Jewell Instruments Tilt Sensors
    in these. tiltmeters are representative of all of the sensors used in our. 500-, 700- and 800-Series tilt sensing products. The tiltmeters were dosed with 0.36 to 9.76 megarads of. gamma radiation from a cobalt 60 source. The dose rate. was approximately 0.08 megarads/hour. The four. tiltmeters were
  • A Comparison of Spectroradiometers to Radiometers for UV Radiation Measurements
    climatology. in over 40 sites worldwide since 1973. Purpose of UVMonitoring UVB,. radiation shorter than 320 nm., is important biologically. The high photon. energy of the UVB can damage DNA. The effects of this damage varies with the. specie, the UVB intensity, and with the total dose. The spectral
  • The Accurate Measurement of Biological Effective Ultraviolet Radiation
    are performed only during. Fig. 2. Change of the. erythemally weighted solar. clear sky conditions. This seriously limits the accuracy of the. radiation in 10 minute intervals related to its. dose integration by a spectroradiometer and raises a question. value in the middle of the interval(45°lat., 20
  • (R&D Digest) Genetic Variations May Affect Radiation Sensativity (MDDI archive, Dec 03)
    dose of radiation a patient could tolerate, thereby improving the efficacy of radiotherapy treatment. During this year's European Cancer Conference, Nicolaj Andreassen, MD, research fellow in the

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