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Further studies on the isometric form of hydrated tricalcium aluminate are reported. These include methods of preparation, crystalline forms, X-ray diffraction pattern, and determinations of solubility and density. The products formed when the hexagonal form of hydrated tricalcium aluminate is dehydrated at definite v…
ADVERTISEMENT RETURN TO ISSUEArticleNEXTThe Polymorphism of Sodium Sulphate. I: Thermal AnalysisF. C. KracekF. C. KracekMore by F. C. KracekCite this: J. Phys. Chem. 1929, 33, 9, 1281–1303Publication Date (Print):September 1, 1929Publication History Published online1 May 2002Published inissue 1 September 1929https://d…
ABSTRACT The volatility of selenium in making selenium ruby glass has been studied. About 75% of the selenium added to the batch was lost by volatilization. Sodium selenite and barium selenite were stable at 950°C and are probably stable at higher temperatures. Regardless of whether selenium or the compounds studied a…
In magnetic analysis of electronic velocities the plane containing the receiving slit is placed at the angle ${\ensuremath{\Phi}}_{m}=180\ifmmode^\circ\else\textdegree\fi{}$ to the plane containing the entrance slit. The "resolution," at ${\ensuremath{\Phi}}_{m}$, between two electrons of velocities $V$ and $v$ both e…
Get PDF Email Share Share with Facebook Tweet This Post on reddit Share with LinkedIn Add to CiteULike Add to Mendeley Add to BibSonomy Get Citation Copy Citation Text Gordon L. Locher, "A Large Reciprocating C. T. R. Wilson Cloud Expansion Apparatus," J. Opt. Soc. Am. 19, 58-64 (1929) Export Citation BibTex Endnote (…
Recent investigations of magnetic properties of alloys of iron, nickel and cobalt have resulted in the discovery of materials of remarkable magnetic properties previously unknown. In a brief review, early experiments that led to the discovery of these materials and the magnetic properties of the entire field are discu…
ADVERTISEMENT RETURN TO ISSUEPREVArticleNEXTGermanium. XXXI. Alloys of Germanium: Silver-Germanium T. R. BriggsT. R. BriggsMore by T. R. Briggs, R. O. McDuffieR. O. McDuffieMore by R. O. McDuffie, and L. H. WillisfordL. H. WillisfordMore by L. H. WillisfordCite this: J. Phys. Chem. 1929, 33, 7, 1080–1096Publication Da…
Abstract Es wird der Wert des elektrischen Momentes μ für SbCl 3 , mitgeteilt und mit dem des SbJ 3 verglichen. μ = 3,64.10 −18 .
Abstract Es wurden die Oberflächenspannungen von Gold, Silber, Gold‐ Kupfer‐, Silber‐Kupferlegierungen nach der früher angewendeten Blasendruckmethode und diejenige von Zink und Legierungen von Eisen mit Kohlenstoff, Phosphor und Silicium nach etwas modifiziertem Verfahren bestimmt. Bemerkenswert ist die hohe Oberfläc…
This paper gives data on the linear thermal expansion of three samples of worked and annealed tantalum over various temperature ranges between -190a nd +500C. A summary of available data by previous observers on the thermal expansion of tantalum is included.
ADVERTISEMENT RETURN TO ISSUEPREVArticleNEXTManufacture and Properties of Regenerated Cellulose FilmsWilliam L. HydenCite this: Ind. Eng. Chem. 1929, 21, 5, 405–410Publication Date (Print):May 1, 1929Publication History Published online1 May 2002Published inissue 1 May 1929https://pubs.acs.org/doi/10.1021/ie50233a003h…
This is the first of a series of protoplasm monographs sponsored by the editors of the journal<i>Protoplasma</i>. The present monograph is written in English, is printed on good paper, and is practically free from typographic error. The author uses μμ instead of the correct mμ as a symbol for millimicron. Probably it…
Abstract Im Gebiet fester Phasen treten im system ZrO 2 ThO 2 bis 2400°C noch keine Veränderungen im Gitter beider Komponenten auf.
Abstract 1. In einem besonderen Ofen wurde das Schmelzdiagramm ZrO 2 CaO mit einem Acetylensauerstoffbrenner aufgenommen. Aus dem erhaltenen Diagramm war auf das Vorhandensein einer Verbindung CaZrO 3 zu schließen.
Abstract 1. Bezüglich der verschiedenen Formen des ZrO 2 wird durch Verwendung von Spezialröntgenkameras festgestellt, daß das handelsübliche, bei 1200° C vorgeglühte Oxyd bei etwa 1000° C einen reversiblen Modifikationswechsel von monokliner Symmetrie in tetragonale durchmacht.
Abstract The Fourier representation of the results of X-ray analysis was first suggested by W. H. Bragg. It was developed independently by Duane, and used by Havighurst and Compton to give striking representations of the distribution of scattering matter in crystals. Duane and Havighurst were first in applying the met…
ADVERTISEMENT RETURN TO ISSUEPREVArticleNEXTA Study of Lithopone DarkeningJ. H. Goshorn and C. K. BlackCite this: Ind. Eng. Chem. 1929, 21, 4, 348–349Publication Date (Print):April 1, 1929Publication History Published online1 May 2002Published inissue 1 April 1929https://doi.org/10.1021/ie50232a021RIGHTS & PERMISSIONS…
ADVERTISEMENT RETURN TO ISSUEPREVArticleNEXTAlkyd Resins as Film-Forming MaterialsR. H. Kienle and C. S. FergusonCite this: Ind. Eng. Chem. 1929, 21, 4, 349–352Publication Date (Print):April 1, 1929Publication History Published online1 May 2002Published inissue 1 April 1929https://pubs.acs.org/doi/10.1021/ie50232a022h…
Abstract 1. Es wurde die Dichte, die innere Reibung und die Dielektrizitätskonstante der flüssigen Blausäure und zugleich der Gang ihrer Temperaturabhängigkeiten in dem Intervall zwischen Schmelz‐ und Siedepunkt festgelegt.
Abstract A method has been devised for testing rubber at various temperatures by putting a simple attachment onto a commercial testing machine. Wide variations have been found in the stress-strain curves on the same stock at different temperatures. The stress-strain properties at different temperatures vary for differ…