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One consumer device of this type coming into common use is the domestic smoke detector that uses Americium 241 in detecting smoke. This device has obvious life-saving and property-saving advantages and is attractive in that it is attractive in that it is self-contained, battery powered and ...
(dpm) 每分钟衰变detector 探测器developer 显影剂dose equivalent 剂量当量dose rate 剂量率double antibody radioimmunoassay 双抗体放射免疫分析法double antibody solid phase assay 双抗体固相分析法doughnut sign 炸面圈征dynamic imaging 动态显像dyskinesis 反向运动Eeffective renal plasma flow (ERPF) 有效肾血浆流量...
Nuclear Radiation Detector Color Yellow Model Number SD-Y-GC-01 Detection ray type Y ray x ray beta ray Size 120*78*27mm Dectector energy compensation GM tube Dose current rate 0.00-1000uSv/h (10mSv/h) Accumulated dose equivalent 0.00uSv-500.0mSv Energy range 48keV-1.5Mev≤±30%(for 137...
aThe ionization type of detector forms an electrical path inside a mall chamber with a very small amount of radioactive material. When smoke enters the chamber, the particles attach themselves to the ions and change the electrical current flow 探测器的电离类型形成一个电子道路在一个购物中心房间里面...
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Take, for example, a household smoke detector. More than 80% of the standard smoke detectors in the US contain an amount of americium-241, a radioactive element with a half life of 432 years. It is the americium-241 that allows the contraption to work. Air flows into an ionization chamb...
Also a detector telescope inside the gas cell monitors the incoming 7Be beam. The current status of the 7Be(p, γ) 8B measurement is discussed.doi:10.1016/0168-583X(87)90690-2K.E. SaleR.W. BauerR.N. BoydG.J. MathewsR.C. Haight...
Also a detector telescope inside the gas cell monitors the incoming sup 7 Be beam. The current status of the sup 7 Be(p, gamma ) sup 8 B measurement is discussed. (ERA citation 12:001279)Sale, K. E.Lawrence Livermore National Lab....
While PT-WBS can be considered a good negative detector of RAIR, the same consideration cannot be reserved to diagnostic 131I-whole-body scan (D-WBS). RAI activity, acquisition time, γ-camera model and TSH stimulation play a role in D-WBS accuracy and sensibility. In particular, low-...