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That principle underpins Billy Loo’s PHASER (Pluridirectional High-energy Agile Scanning Electron Radiotherapy) system, developed at Stanford and SLAC and licensed to a startup called TibaRay. An array of high-efficiency linacs generates X-ray beams from many directions at once. Their high output overcomes the inefficiency of electron-to-photon conversion to deliver the dose at FLASH speed. Beam convergence at the tumor and electronic shaping conform the dose in three dimensions, producing uniform coverage with relatively simple infrastructure.
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Врач посоветовала некоторым людям с осторожностью есть помидоры17:33
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President says lawmakers must ‘immediately’ pass SAVE America act, which would require proof of citizenship at voter registration and significantly curtail mail-in voting
第三届沙特国际手工艺周期间，当地小朋友体验中国鱼灯舞，感受非遗魅力。。新收录的资料是该领域的重要参考