strahl, Weltraum- 



285 



Weltraum- cosmic ray. Zentral- 

 centrai ray, axial r. (opt.) 



Strahl-abblender means to mask, 

 stop down, occult, eclipse, gate 

 or diaphragm rays, beam douser, 

 blanking or blankeiing means, 

 dimmer, -ablenkung ray deflec- 

 tion, pencil d., beam d. or de- 

 viation; ray refraciion. 



Strahl abtaster (mit unsichtbaren 

 ultraroten Strahlen) noctovi- 

 sion scanner (using micro- or in- 

 frared rays). Elektronen- 

 electron scanning pencil, beam, 

 brush or lever. Kathoden- elec- 

 tron beam scanner. Licht- spot- 

 light scanner, brush or pencil. 



Strahl-abtastung scanning or sweep- 

 ing with a light or electron pen- 

 cil, -apparat jet apparatus, 

 injector (of steam). 



strahl artige Entladung needle-point 

 corona or streamer discharge, 

 leader-stroke d. 



Strahl -ausfal 1 emergence of beam. 

 -brechung refraction or splitting 

 of rays, -bündel beam, pencil, 

 bundle, bunch or brush of rays. 

 -bündel .Kathoden- cathoae-ray 

 beam or pencil, (loosely) gun, 



strahlen emit rays, radiate, be 

 radiant or radiating. 



Strahl en-brechungsmesser refrac- 

 tometer. -biindel (s.a. Strahl b. ) 

 bundle of rays or radiations, 

 cone of r. -biindel , Schal 1- 

 pencil of sound, -einfall, 

 streifender glancing incidence 

 of rays, -gang path of rays, 

 trajectory of r., ray tracing, 

 geometric configuration of rays. 

 -hartemesser penetrometer, quali- 

 meter (for X-rays) . -Kegel cone 

 of rays, -messer radiometer (heat 

 rays), actinometer (actinic r. ), 

 solarimeter (sun r. ). -optik 

 geometric optics, -re ichweite 

 range of rays or corpuscular 

 emission, -schnitt jet contrac- 

 tion, contractio venae, -stoss, 

 •Höhen-, Raum- burst or shower of 

 cosmic rays, cosmic ray track 

 (traced by hodoscope). -teil er 



Strahlung, Raum- 



beam splitter. 



Strahl entl adung, Faden- thread ray 

 discharge. 



Strahl entstehungsort source or origin 

 of electron pencil or gun. 



Strahl enzi eher protractor. 



Strahler radiator (of radio waves, 

 loudspeaker, etc.); heater (of a 

 cathode). Massen- mass radiator. 

 Mehrfach- bank or pillar of lamps, 

 battens. Rieht- directive antenna, 

 directional a. ; directional loud- 

 speaker or projector, radiator. 

 Rück- reflector, re-radiator. 

 Temperatur- incandescent light 

 source, luminous radiator. 



Strahl -erweiterung spread of beam 

 (telev. tube), -erzeugerfuss 

 gun press, -erzeugungssystem 

 gun (comprising electron source, 

 first and second lenses); ray 

 radiator system, -fläche 

 radiant area, radiator surface, 

 radiation-emissive s. -hebelarm 

 pencil leverage, deflectibility of 

 electron beam. 



strahl i g, 1 ang- elongated, needle- 

 like (cryst. ) 



Strahl- intens i tätskontrol le modula- 

 tion of beam intensity (by grid, 

 shield or Wehnelt cylinder, telev. ) 

 -methode, Atom- atom or molecule 

 ray method, -neigung inclination 

 of ray. -quelle, Leucht-, einfarbi ge 

 monochromatic illuminator, m. 

 source, monochromator. -röhre, 

 El ektronen-(cf . Kathodenstrahl röhre) 

 beam tube; cathode-ray tuning in- 

 dicator t. or magic eye. -ruhelage 

 spot zero, -schauer, Höhen- cosmic 

 ray shower or burst, -schrei ber, 

 Tinten- ink vapor jet recorder 

 (facsimile telegraphy), -sender, 

 Leit- beacon> radio range or beam 

 station, -spaltung split-beam, b. 

 splitting. -Sperrung beam cut-off 

 or eclipse, gating of the b. 

 -stösse, Höhen- cosmic ray bursts. 



Strahl ung, aktin i sch undurchlässige 

 adiactinic radiation. —, falsche 

 stray radiation. Grau- grey 

 radiation. Hohlraum- cavity radia- 

 tion, black-body r. Raum- cosmic 



