Materials Literature

文献浏览

按标题、摘要、年份、主题和来源检索公开元数据。结果保留作者、摘要、分类与原始来源链接。

清除
第 121449 / 121702 页 · 当前展示 2,428,961–2,428,980 / 2,434,030 条匹配结果 · 摘要仅作预览

Elastic Moduli of Glasses at Elevated Temperatures by a Dynamic Method

S. Spinner1956-03-01Journal of the American Ceramic Society

The elastic constants of thirteen glasses were measured by a dynamic method at elevated temperatures. Both Young's modulus and the shear modulus were determined and from these Pois‐son's ratio was calculated as a function of temperature. Fused silica, Vycor‐brand glass, and Pyrex‐brand glass had positive temperature c…

Glass properties and applications

Chamber dryers in continente hollow block works. Unusuai fran system

R. Chimani1956-03-01Materiales de Construccion

El autor presenta el Sistema Rotomixair, empleado para la distribución del aire en los secaderos de cámaras. Consiste en un conjunto de ventiladores de unas características especiales, móviles, que se pueden desplazar dentro de la cámara. El secado es rápido.

Investigation of material transport in wet-process rotatory kilns by radio isotopes

J. Rutle1956-03-01Materiales de Construccion

El empleo de isótopos permite estudiar perfectamente el desplazamiento de los materiales a lo largo del horno. en otros aspectos referentes a la influencia de diversos factores sobre el funcionamiento del horno y sobre el proceso de cocción, se llega a la misma conclusión que mediante los métodos clásicos de investiga…

Chain scissions in a polymer network

M. M. Horikx1956-03-01Journal of Polymer Science

Abstract Relations between the soluble fraction and the number of effective chains between crosslinks in a three‐dimensional network undergoing a scission reaction have been derived. Three limiting cases have been considered: (a) random scission in the chains, (b) scission in the chains directed by the crosslinks, and…

Polymer Nanocomposites and PropertiesPolymer crystallization and propertiesSurfactants and Colloidal Systems

Electrolytic Shaping of Germanium and Silicon

A. Uhlir1956-03-01OpenAlex

Properties of electrolyte-semiconductor barriers are described, with emphasis on germanium. The use of these barriers in localizing electrolytic etching is discussed. Other localization techniques are mentioned. Electrolytes for etching germanium and silicon are given.

Semiconductor materials and interfacesIntegrated Circuits and Semiconductor Failure AnalysisSilicon Nanostructures and Photoluminescence

The absorption spectra of natural and irradiated diamonds

Catherine D. Clark、R. W. Ditchburn、H. B. Dyer1956-02-21Proceedings of the Royal Society of London A Mathematical and Physical Sciences

Abstract The absorption spectra of fifty-two natural diamonds have been measured at 80 and 290°K. Type I diamonds are shown to have two kinds of absorption centres which are not detected in type II diamonds. Differences in the infra-red absorption spectra between type IIa and type IIb diamonds are reported. The classi…

High-pressure geophysics and materialsMetal and Thin Film MechanicsDiamond and Carbon-based Materials Research

Infrared Absorption and Oxygen Content in Silicon and Germanium

W. Kaiser、P. H. Keck、C. F. M. de Lange1956-02-15Physical Review

An optical absorption band at 9\ensuremath{\mu} has been correlated with the oxygen content in silicon. Pulled silicon crystals were found to contain up to ${10}^{18}$ oxygen atoms per ${\mathrm{cm}}^{3}$ which seem to originate from the quartz crucible. The oxygen concentration in silicon crystals prepared by the flo…

Semiconductor materials and devicesSilicon and Solar Cell TechnologiesElectron and X-Ray Spectroscopy Techniques