نتایج جستجو برای: detector system

تعداد نتایج: 2274045  

Journal: :journal of biomedical physics and engineering 0
m oshaghi master student, department of biomedical engineering, science and research branch, islamic azad university, tehran, iran m sadeghi associate, agricultural, medical & industrial research school, nuclear science and technology research institute, karaj, tehran, iran sr mahdavi assistant professor of medical physics, department of medical physics, faculty of medicine, tehran university of medical sciences, tehran, iran ar shirazi

background: accelerated partial breast irradiation via interstitial balloon brachytherapy is a fast and effective treatment method for certain early stage breast cancers however skin, chest wall and lung doses are correlated with toxicity in patients treated with breast brachytherapy. objective: to investigate the percentage of the dose received by critical organ (skin), thermoluminescence dete...

Journal: :iranian journal of medical physics 0
seyed mahdi safavi m.sc. in nuclear engineering, faculty of nuclear engineering, shahid beheshti university, tehran, iran. hamid jafari m.sc. in nuclear engineering, faculty of nuclear engineering, shahid beheshti university, tehran, iran. alireza kamali asl assistant professor of radiation medical engineering., shahid beheshti university, tehran, iran. majid shahreyari professor, nuclear engineering dept, shahid beheshti university, tehran, iran.

introduction: radiation imaging is one of the applicable methods in diagnostic medicine and nondestructive testing for industrial applications. in nondestructive 3d imaging, in addition to the radiation source, there is a requirement for a suitable detection system, data acquisition system, mechanical sections for moving objects, reconstruction algorithm and finally a computer for processing an...

Journal: :iranian journal of public health 0
mohd hanif mohd zin sharifah norkhadijah syed ismail karmegam karuppiah

background:: this study developed a smart co 2 detector, which attach to the general ventilation system to reduce the gas level. methods: indoor air quality measurement was performed in five selected rooms between january 2015 to february 2015 using tsi q-trak tm indoor air monitor 7575. the perceived indoor air quality conditions was gathered using questionnaires adopted from the industrial co...

ژورنال: سنجش و ایمنی پرتو 2020

High Purity Germanium detectors (HPGe) are subdivisions of semiconductor detectors which are widely used in nuclear technology from space industry to nuclear medicine, due to their high resolution, low dead time, unlimited size and compatibility with a variety of environments. The( absolute and intrinsic) efficiency of the HPGe detector, which depends on the geometry of the source-detector syst...

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه تحصیلات تکمیلی صنعتی کرمان - پژوهشکده برق و کامپیوتر 1390

a phase-locked loop (pll) based frequency synthesizer is an important circuit that is used in many applications, especially in communication systems such as ethernet receivers, disk drive read/write channels, digital mobile receivers, high-speed memory interfaces, system clock recovery and wireless communication system. other than requiring good signal purity such as low phase noise and low spu...

Journal: :Physics of Particles and Nuclei Letters 2022

A new detector system for investigating the properties of spontaneous fission short-lived transuranium nuclei has been created. This consists an assembly double-sided silicon strip detectors surrounded by 116 proportional neutrons counters filled with 3He. The neutron registration efficiency is 54.7 ± 0.1%. tested in experiment characteristics 252No isotope. experimental data on yields are comp...

Journal: :IEEE Transactions on Nuclear Science 2010

Journal: :Journal of Physics: Conference Series 2012

Journal: :Japanese Journal of Radiological Technology 1991

Journal: :Nuclear Instruments and Methods in Physics Research Section A: Accelerators, Spectrometers, Detectors and Associated Equipment 1994

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