Zobrazeno 1 - 10 of 23 pro vyhledávání: '"E. Aruja"'
1
On the unit cell of calcium potassium sulphate hydrate: synthetic and natural syngenite
Autor: E. Aruja
Publikováno v: Mineralogical Magazine and Journal of the Mineralogical Society. 31:943-946
SummaryThe space group and unit cell of natural syngenite have been redetermined. X-ray powder photographs of natural syngenite and synthetic CaSO4.K2SO4.H2O were found to be practically identical. Optical and d.t.a. data are also given.
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::658a7bab3dec9725c29b2fe061d6d435
https://doi.org/10.1180/minmag.1958.031.242.07
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2
A New Collimator and Beam Trap for the Philips 114.83 mm. Diameter X-Ray Diffraction Powder Camera
Autor: E. Aruja
Publikováno v: Clay Minerals. 4:307-311
A new collimator of 0.3  2 mrn aperture and a beam trap have been made for the Philips 114-83 mm camera. As a result of this, longer spacings cart be recorded (d~35t~ with Co Ka, with scope for further improvement by slimming the beam trap) the res
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::a1dac3f5de98b3817bd35f1cfdd756e8
https://doi.org/10.1180/claymin.1961.004.26.07
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3
X-ray analysis technique for very high temperatures
Autor: E Aruja, W Gutt, J H Welch
Publikováno v: Journal of Scientific Instruments. 36:16-20
A new powder-diffraction technique for very high temperatures is described, in which a thermocouple combines the functions of sample support, heating, and temperature measurement. This device is simple, compact and inexpensive, and has proved to be v
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::971701823abd1f9d7c4f083888312c61
https://doi.org/10.1088/0950-7671/36/1/306
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5
The unit cell of orthorhombic pentacalcium trialuminate, 5CaO.3Al203
Autor: E. Aruja
Publikováno v: Acta Crystallographica. 10:337-339
BERTAUT, E. F. & BLUM, P. (1956). Acta Cryst. 9, 121. BERTAUT, E .F . , BLu~, P. & MACNA~O, G. (1955). C. R. Acad. Sci., Paris, 241, 757. BUI~DESE, A. (1952). Ric. Sci. 22, 259. COCm~A_W, W. (1952). Acta Cryst. 5, 65. FORESTIER, H. (1931). C. R. Acad
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::5e42df0d2fea2b2d8cbf504a6ca4c676
https://doi.org/10.1107/s0365110x57000961
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6
The electron-single-scatter gauge — a new vacuum gauge for the range from 10−5 torr to 1 torr
Autor: H R Falckenberg, E Aruja, B W Schumacher
An electron beam or β-rays are fired through the vacuum space over a path length of about 50 cm. This primary beam is intercepted by a beam stop. The single-scatter in the acute forward direction of some of the electrons by the residual gas molecule
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::fdb74db063238550cffe211088590193
https://doi.org/10.1016/b978-0-08-012126-0.50044-8
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7
Leave politics alone
Autor: E Aruja
Publikováno v: Physics Bulletin. 28:247-248
Rui Rosa's letter on Soviet physicists (Physics Bulletin December 1976 p523) finds me in agreement with its first paragraph: that the Institute should stick to professional matters and leave politics alone. A physicist should take part in politics, a
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::cd0b75fb635080966c7a224272af1bc4
https://doi.org/10.1088/0031-9112/28/6/004
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10
A humidity and temperature controlled specimen holder for a focusing x-ray diffraction camera
Autor: E Aruja
Publikováno v: Journal of Scientific Instruments. 39:393-393
A specimen holder has been made for a focusing x-ray camera, which enables, by atmospheric control, the moisture content of a powder specimen to be varied rapidly with a minimum risk of contamination. The temperature of the specimen can be varied by
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::471f313ad4bb44a68eae0ee31880e6dd
https://doi.org/10.1088/0950-7671/39/7/426
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