General Electric

About: General Electric is a company organization based out in Boston, Massachusetts, United States. It is known for research contribution in the topics: Turbine & Signal. The organization has 76365 authors who have published 110557 publications receiving 1885108 citations. The organization is also known as: General Electric Company & GE.

Metastable Immiscibility Surface in the System Na2O‐B2O3‐SiO2*

Abstract: Opalescence and clearing techniques were used to determine the metastable immiscibility surface for sodium borosilicate solutions. These results indicate that a three-liquid region, which may or may not be metastable to two-liquid regions, underlies the immiscibility surface.

Vapor Pressure of Caesium by the Positive Ion Method

Abstract: The positive ion currents from pure tungsten filaments in saturated caesium vapor at bulb temperatures from -35\ifmmode^\circ\else\textdegree\fi{}C to +73\ifmmode^\circ\else\textdegree\fi{}C were measured for filament temperatures from 1000\ifmmode^\circ\else\textdegree\fi{} to 1800\ifmmode^\circ\else\textdegree\fi{}K. The results were corrected for the cooling effect of the leads and for photoelectric emission from the caesium film on the platinum deposited on the bulb which was used as an ion collector. The vapor pressures in mm of Hg are given for solid Cs ($Tl302$\ifmmode^\circ\else\textdegree\fi{}K) by ${log}_{10}{p}_{S}=10.5460\ensuremath{-}1.00{log}_{10}T\ensuremath{-}\frac{4150}{T}$ and for liquid Cs ($Tg302$\ifmmode^\circ\else\textdegree\fi{}K) by ${log}_{10}{P}_{L}=11.0531\ensuremath{-}1.35{log}_{10}T\ensuremath{-}\frac{4041}{T}.$The vapor pressures given by these equations are believed to be accurate to within one percent from 220\ifmmode^\circ\else\textdegree\fi{} to 350\ifmmode^\circ\else\textdegree\fi{}K, within 3 percent up to 600\ifmmode^\circ\else\textdegree\fi{} and within about 8 percent at 1000\ifmmode^\circ\else\textdegree\fi{}K.

Forming, with the aid of an overview image, a composite image from a mosaic of images

Abstract: A method for generating a composite terrain map, proceeding from an overview taken at relatively high altitude and photographs taken at relatively low altitudes, generates a composite terrain map that is relatively free of step irradiance variations where the photographs taken at relatively low altitudes are splined. Digitized representations of orthographic projections of the overview and each of the lower-altitude photographs, as regularly sampled in two orthogonal dimensions and referred to a common spatial frame of reference, are generated. The digitized representations of the orthographic projections of each of said photographs taken at relatively low altitudes are hig-pass spatially filtered, to generate digitized high-spatial-frequency responses. The digitized high-spatial-frequency responses are splined to generate a digitized high-spatial-frequency response for the composite terrain map. This digitized high-spatial-frequency response is merged with a digitized low-spatial-frequency response for the composite terrain map obtained by low-pass spatially filtering the digitized representations of the orthographic projection of the overview.

Process for preparing thermoplastic polycarbonates

Abstract: A PROCESS FOR PREPARING A THERMOPLASTIC RANDOMLY BRANCHED POLYCARBONATE COMPOSITION WHICH COMPRISES REACTING IN AN ORGANIC SOLVENT A DIHYDRIC PHENOL AND A CARBONATE PRECURSOR, WHICH REACTION IS CARRIED OUT IN THE PRESENCE OF 0.1 TO ABOUT 2 MOLE PERCENT OF A FINELY DIVIDED POLYFUNCTIONAL ORGANIC COMPOUND, 50 WEIGHT PERCENT OF WHICH HAS A PARTICLE SIZE OF LESS THAN 100 MICRONS AND WHEREIN THE ORGANIC SOLVENT HAS SUSPENDED THEREIN AN INORGANIC ACID ACCEPTOR. THE POLYFUNCTIONAL ORGANIC COMPOUND IS ONE WHICH MAY BE EITHER PHLOROGLUCINOL, 2,4-DIHYDROXY-BENZOIC ACID, TRIMESIC ACID, 4,4-BIS(3-ISOPROPYL-4CARBOXYPHENYL) HEXANOL, 3,5-DIHYDROXYTHIOPHENOL, MELAMINE OR TRIETHANOLAMINE.