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准易裂变核素
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准易裂变核素
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fissible nuclide
准易裂变核素
不能维持热中子链式核反应,但在金属状态下可发生自持的链式核裂变的核素。如237U、238Pu、240Pu、242Pu、244Pu、241Am、243Am、242Cm、244Cm等。又称阈裂变核(threshold fissioner)。
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endorsement
endorsement of bill
endoscope
endoscopic balloon dilatation of sphincter of Oddi
endoscopic biopsy
endoscopic brush cytology
endoscopic dacryocystorhinostomy
endoscopic dilatation
endoscopic hemostasis
endoscopic lithotripsy of bile duct stones
endoscopic mucosal resection
endoscopic optic nerve decompression
endoscopic photography lens
endoscopic polypectomy
endoscopic removal of bile duct stones
endoscopic removal of foreign bodies from digestive tract
endoscopic retrograde cholangiopancreatography
endoscopic sphincterotomy for sphincter of Oddi
endoscopic stenting
endoscopic submucosal dissection
endoscopic ultrasonography
endoscopic ultrasound-guided puncture
endoscopy
endoscopy in respiratory system
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