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Summary This review gives a survey of endemic organisms of the fresh‐water fauna of the circumpolar regions, which have geologically, but not ecologically, separate habitats. A number of examples has been selected which indicate that various animals occur in approximately the same geographical distribution areas as Ir…
An experimental test of the grating law has been made by using a coarse, plane grating at grazing incidence, in a spectrograph similar to that used in the x-ray case. No deviations from the grating law were found which were as large as the experimental error of 0.02 percent.
ADVERTISEMENT RETURN TO ISSUEPREVArticleNEXTOrganic Inhibitors of Corrosion Aromatic AminesCharles A. Mann, Byron E. Lauer, and Clifford T. HultinCite this: Ind. Eng. Chem. 1936, 28, 9, 1048–1051Publication Date (Print):September 1, 1936Publication History Published online1 May 2002Published inissue 1 September 1936ht…
The principal adiabatic and isothermal elastic moduli and elastic constants of NaCl, KCl and MgO have been measured over the temperature ranges 80\ifmmode^\circ\else\textdegree\fi{}K to 270\ifmmode^\circ\else\textdegree\fi{}K (Balamuth and Rose) and 270\ifmmode^\circ\else\textdegree\fi{}K to 480\ifmmode^\circ\else\tex…
ADVERTISEMENT RETURN TO ISSUEPREVArticleNEXTThe Structure and Properties of Mononuclear and Polynuclear Phenanthroline-Ferric Complexes1Allison Gaines Jr., Louis P. Hammett, and George H. Walden Jr.Cite this: J. Am. Chem. Soc. 1936, 58, 9, 1668–1674Publication Date (Print):September 1, 1936Publication History Publishe…
Views Icon Views Article contents Figures & tables Video Audio Supplementary Data Peer Review Share Icon Share Twitter Facebook Reddit LinkedIn Tools Icon Tools Reprints and Permissions Cite Icon Cite Search Site Citation V. Deitz; The Vapor Pressure of Potassium Chloride and Caesium Iodide Crystals. J. Chem. Phys. 1…
Crystals of GeS2 are orthorhombic. The unit cell contains 24 molecules and has dimensions: a=11.66A, b=22.34A, c=6.86A. Accuracy ½ percent. The space groups is Fdd (C2v19). Eight of the germanium atoms are situated on the twofold axes; all other atoms occupy general positions. The twelve parameters involved have been…
Article Löslichkeit und Entmischungserscheinungen von Ammonphosphaten bei höheren Temperaturen was published on August 1, 1936 in the journal Zeitschrift für Physikalische Chemie (volume 177A, issue 1).
The system was investigated by means of well known m ethods involving quenching, petrographic examination, and heating curves.Five t ernary compounds were identified by optical properties and the chemical composition of four of these established.A number of melts were studied also as glasses to obtain data of interest…
Abstract Die Schmelztemperatur von TiO 2 liegt bei etwa 1800°.
ADVERTISEMENT RETURN TO ISSUEPREVArticleNEXTLIQUID-LIQUID EXTRACTION Performance of a Packed Extraction Column, Using Continuous CountercurrentK. A. Varteressian and M. R. FenskeCite this: Ind. Eng. Chem. 1936, 28, 8, 928–933Publication Date (Print):August 1, 1936Publication History Published online1 May 2002Published…
ADVERTISEMENT RETURN TO ISSUEPREVArticleNEXTThe Gelation of Bentonite Suspensions.Geoffrey BroughtonGeoffrey BroughtonMore by Geoffrey Broughton and Lombard SquiresLombard SquiresMore by Lombard SquiresCite this: J. Phys. Chem. 1936, 40, 8, 1041–1053Publication Date (Print):August 1, 1936Publication History Published…
The thermal expansion of single crystal magnesium oxide has been measured from 85°K to 480°K. The results are combined with those of Austin, so that data are available from 85°K to 1273°K. The observed thermal expansion of this substance is in excellent accord with the relation, due to Grüneisen, between thermal expan…
visiblement creusé en avant. . . . . .
Abstract Mit Hilfe eines Hitzdrahtmanometers sind die Gleichgewichtsdampfdrucke über den verschiedenen Hydraten des Calciumchlorids bei Temperaturen von 0 bis etwa 50° bestimmt worden.
ADVERTISEMENT RETURN TO ISSUEPREVArticleNEXTThe Diffraction of X-Rays by the Higher Polyethylene Glycols and by Polymerized Ethylene Oxides1W. H. Barnes and Sydney RossCite this: J. Am. Chem. Soc. 1936, 58, 7, 1129–1131Publication Date (Print):July 1, 1936Publication History Published online1 May 2002Published inissue…
A table of factors is given by means of which the relative multiplet strengths tabu- lated by the writer in an earlier paper may be converted to absolute strengths in terms of c2, the square of the one-electron matrix component. ~ is a constant for any given tran- sition array
ADVERTISEMENT RETURN TO ISSUEArticleNEXTX-ray Diffraction Studies of Chitin, Chitosan, and Derivatives.George L. ClarkGeorge L. ClarkMore by George L. Clark and Albert F. SmithAlbert F. SmithMore by Albert F. SmithCite this: J. Phys. Chem. 1936, 40, 7, 863–879Publication Date (Print):July 1, 1936Publication History Pu…
With the model proposed in an earlier paper, the temperature variation of the ferromagnetism of nickel is discussed. By application of Fermi statistics to the electrons in the $d$ bands, the free energy is computed as a function of temperature and magnetic moment. At each temperature, the value of magnetic moment for…
X-ray (Hull-Debye-Scherrer) diffraction patterns were obtained for cobalt in a camera designed for high temperature work. No crystallographic change for this metal has been observed in the region about 850\ifmmode^\circ\else\textdegree\fi{}C at which the change in the photoelectric emission has been reported. The $\en…