scholarly journals Preliminary Data On Sulphur Isotopes and Se/S Ratios, and the Source of Sulphur in Magmatic Sulphides From the Fox River Sill, Molson Dykes and Thompson Nickel Deposits, northern Manitoba

1989 ◽  
Author(s):  
O R Eckstrand ◽  
L N Grinenko ◽  
H R Krouse ◽  
A D Paktunc ◽  
P L Schwann ◽  
...  
Keyword(s):  
Preliminary Data ◽  
Sulphur Isotopes ◽  
Nickel Deposits ◽  
Magmatic Sulphides ◽  
Fox River

Analysis of electroless nickel thin films

1991 ◽  
Vol 49 ◽  
pp. 510-511 ◽  
Author(s):  
C. W. Price ◽  
E. F. Lindsey
Keyword(s):  
Thin Films ◽  
Inertial Confinement Fusion ◽  
Electroless Nickel ◽  
Inertial Confinement ◽  
Plating Bath ◽  
X Ray ◽  
Nickel Thin Films ◽  
Nickel Deposits ◽  
Confinement Fusion ◽  
Thickness Measurements

Thickness measurements of thin films are performed by both energy-dispersive x-ray spectroscopy (EDS) and x-ray fluorescence (XRF). XRF can measure thicker films than EDS, and XRF measurements also have somewhat greater precision than EDS measurements. However, small components with curved or irregular shapes that are used for various applications in the the Inertial Confinement Fusion program at LLNL present geometrical problems that are not conducive to XRF analyses but may have only a minimal effect on EDS analyses. This work describes the development of an EDS technique to measure the thickness of electroless nickel deposits on gold substrates. Although elaborate correction techniques have been developed for thin-film measurements by x-ray analysis, the thickness of electroless nickel films can be dependent on the plating bath used. Therefore, standard calibration curves were established by correlating EDS data with thickness measurements that were obtained by contact profilometry.

An Introductory Examination of Speech Disfluencies in Spanish–English Bilingual Children Who Do and Do Not Stutter During Narratives

2020 ◽  
Vol 5 (1) ◽  
pp. 131-141
Author(s):  
Cristina Rincon ◽  
Kia Noelle Johnson ◽  
Courtney Byrd
Keyword(s):  
Diagnostic Criteria ◽  
Preliminary Data ◽  
Diagnostic Information ◽  
English Speakers ◽  
Bilingual Children ◽  
English Bilingual ◽  
Developmental Stuttering ◽  
Mean Length Of Utterance

Purpose The purpose of this study is to examine the frequency and type of speech disfluencies (stuttering-like and nonstuttering-like) in bilingual Spanish–English (SE) children who stutter (CWS) to SE children who do not stutter (CWNS) during narrative samples elicited in Spanish and English to provide further diagnostic information for this population and preliminary data toward an expansion of this study. Method Participants included six bilingual SE children (three CWS, three CWNS) ranging in age from 5 years to 7;5 (years;months) and recruited from the surrounding Houston, Texas area. Participants provided a narrative sample in English and Spanish. The frequency of speech disfluencies was tabulated, and mean length of utterance was measured for each sample. Results Results indicate that both talker groups exceed the diagnostic criteria typically used for developmental stuttering. Regardless of the language being spoken, CWS participants had a frequency of stuttering-like speech disfluencies that met or exceeded the diagnostic criteria for developmental stuttering that is based on monolingual English speakers. The CWNS participants varied in meeting the criteria depending on the language being spoken, with one of the three CWNS exceeding the criteria in both languages and one exceeding the criteria for percentage of stuttering-like speech disfluencies in one language. Conclusion Findings from this study contribute to the development of more appropriate diagnostic criteria for bilingual SE-speaking children to aid in the reduction of misdiagnoses of stuttering in this population.

AHEAD - Acute HEArt failure Database - preliminary data of the main study

2008 ◽  
Vol 7 ◽  
pp. 64-64
Author(s):  
J SPINAR ◽  
J VITOVEC ◽  
J KETTNER ◽  
A LINHART ◽  
L DUSEK ◽  
...  
Keyword(s):  
Heart Failure ◽  
Acute Heart Failure ◽  
Preliminary Data ◽  
Main Study
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