A prototype of the Gravity Probe B quartz block against a black background. The quartz block aligns the four fused-quartz gyroscopes. ...
NASA Website
... Descriptors : *QUARTZ, *QUARTZ RESONATORS, AGING (PHYSIOLOGY), BONDING, CONTROL, CRYSTAL OVENS, CRYSTALS, FREQUENCY ...
DTIC Science & Technology
... and Oscillators, and Growth of Doped Quartz Crystals. ... RESONATORS, *DAMAGE, *QUARTZ, *CRYSTAL GROWTH, DOPING, HEAT OF ...
... Title : QUARTZ SPIRAL DELAY LINE. ... Corporate Author : AMERSIL QUARTZ DIV ENGELHARD INDUSTRIES INC HILLSIDE NJ. ...
... Title : Influence of the Environmental Conditions on a Quartz Resonator (Influence Des Conditions D'environnement sur un Resonateur a Quartz),. ...
... Accession Number : ADA950256. Title : Quartz Closed End Tubes Heat Treatment of Quartz Closed End Tubes,. Corporate ...
The Gravity Probe B fused-quartz block, which houses the four fused-quartz. Stanford engineer Ken Bower inspects the Gravity Probe B fused-quartz block, ...
A theory was developed for predicting the loss of response of a QCM (Quartz Crystal Microbalance) to
NASA Technical Reports Server (NTRS)
... Accession Number : ADA097791. Title : The Fluency Matrix of Quartz,. Corporate Author : ARMY ELECTRONICS RESEARCH ...
... coesite was transformed to cristobalite and ,ilica glass, Tn the ... quartz, and the quartz formed then transforms to cristobalite. We ...
... (Author). Descriptors : *QUARTZ, *CRYSTAL GROWTH, *CRYSTAL OSCILLATORS, *DAMAGE, DOPING, ELECTRON IRRADIATION ...
Quartz crystal microbalances (QCMs) are commonly used to measure the rate of deposition of molecular
... Accession Number : AD0697110. Title : QUARTZ VIBRATOR PARAMETER DETERMINATION BY PARALLEL BRIDGE METHODS. ...
... Title : QUARTZ CRYSTAL MECHANIZATION. Corporate Author : BULOVA RESEARCH AND DEVELOPMENT LABS INC WOODSIDE NY. ...
... Descriptors : *CRYSTAL OSCILLATORS, *QUARTZ, CLEANING, CRYSTAL GROWTH, CRYSTAL DEFECTS, CRYSTAL STRUCTURE, ETCHED ...
... Descriptors : *CRYSTAL OSCILLATORS, *MANUFACTURING, *QUARTZ, AGING (MATERIALS), CRYSTAL OVENS, CRYSTALS, FREQUENCY ...
... Descriptors : *CRYSTAL OSCILLATORS, *MANOMETERS, *QUARTZ, AGING(PHYSIOLOGY), FREQUENCY, MEASUREMENT, PRODUCTION ...
... The behavior of dislocations in quartz is also of interest to the fields of geophysics, seismology, and plate tectonics because it affects the ...
... Descriptors : *SEMICONDUCTORS, *CRYSTAL GROWTH, HEAT TRANSFER, MATHEMATICAL MODELS, REPORTS, CONVECTION, QUARTZ ...
... Descriptors : (*RAMAN SPECTROSCOPY, QUARTZ), (*QUARTZ, PHASE STUDIES), BRILLOUIN ZONES, TRANSITION TEMPERATURE ...
... STIFFNESSES AND COMPLIANCES OF ALPHA-QUARTZ I ... STIFFNESSES AND COMPLIANCES OF ALPHA-QUARTZ R ...
... Title : CALIBRATION OF QUARTZ TRANSDUCERS AS ULTRASONIC POWER STANDARDS BY AN ELECTRICAL METHOD. Corporate Author : ...
Quartz crystal units used for frequency control are to some extent affected by irradiation. Known information regaring radiation effects on quartz and quartz vibrators taken from available literatare are assembled. (auth)
Energy Citations Database
The toasted appearance of quartz is caused by an increase in light scattering due to the presence of numerous vesicles. Toasted quartz is formed by vesiculation after pressure release, at high post-shock temperatures.
NASA Astrophysics Data System (ADS)
... Title : Tensile Fracture Strength of ST Cut Quartz. ... Abstract : This paper discusses research made on the basic tensile fracture strength of quartz. ...
The technology and major applications of cultured and natural crystalline and fused quartz are reviewed to provide background information and advice for decisions on composition and quantities of quartz for the National Defense Stockpile. It is recommende...
National Technical Information Service (NTIS)
This document describes the construction and calibration of a quartz fiber microbalance. The preparation and purification of diphenyl carbazide for use as a cement with the quartz fibers is also described.
DOE Information Bridge
A manual is presented for the routine maintenance and the anticipated quartz repair which will be required on the Mound Laboratory type quartz fiber balances. (W.L.H.)
... Title : QUARTZ CRYSTAL AGING EFFECTS. ... Abstract : Data on the aging of 3 Mc and 16 Mc AT-cut quartz resonators are summarized. ...
Study of the macroscopic and microscopic properties of the Antrim Shale indicated an important anomaly, the quartz. The Antrim Shale (Devonian, Michigan Basin) contains a large, but quantitatively undertermineable volume of authigenic quartz. The shale co...
Dislocations in quartz crystals have been known to cause problems in the fabrication of resonators by the formation of etch channels. The etch channels are known to weaken the physical strength of quartz blanks and to reduce the yield in photolithographic...
MEMS�BASED QUARTZ OSCILLATORS and ... In addition, its chemically inert surface makes quartz a candidate for stable frequency operations. ...
... Effects of Surface Slope on Erosion Rates of Quartz Particles ... 4. TITLE AND SUBTITLE Effects of Surface Slope on Erosion Rates of Quartz Particles ...
Language: English ...
NBII National Biological Information Infrastructure
