absorber-lined chamber
1Europe, history of — Introduction history of European peoples and cultures from prehistoric times to the present. Europe is a more ambiguous term than most geographic expressions. Its etymology is doubtful, as is the physical extent of the area it designates.… …
2radiation measurement — ▪ technology Introduction technique for detecting the intensity and characteristics of ionizing radiation, such as alpha, beta, and gamma rays or neutrons, for the purpose of measurement. The term ionizing radiation refers to those… …
3piciform — [pi′sə fôrm΄] adj. of, or having the nature of, an order (Piciformes) of birds, including woodpeckers and toucans, having two front and two hind toes for clinging to vertical surfaces * * * ▪ bird Introduction any member of the group of birds… …
4Whole body counting — In Health Physics Whole body counting, refers to the measurement of radioactivity within the human body. The technique is only applicable to radioactive material that emit gamma rays, although in certain circumstances, beta emitters can be… …
