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  3. Chemistry; Chem Sci/Eng

zero-background quartz

Italian translation: a sfondo zero

GLOSSARY ENTRY (DERIVED FROM QUESTION BELOW)
English term or phrase:zero-background
Italian translation:a sfondo zero
Entered by: Martin Schmurr

09:25 Dec 14, 2001
English to Italian translations [PRO]
Science - Chemistry; Chem Sci/Eng / chemistry
English term or phrase: zero-background quartz
x-ray powder diffraction:
Sample tapped out of vial and pressed onto zero-background quartz in Al holder.
Martin Schmurr
Local time: 02:42
vedi testo
Explanation:
L'idea è che il quarzo non deve contribuire con intensità diffratta o diffusa.
Nel testo da te riportato manca o si sottintende un termine, "plate" o "slides", ovvero l'oggetto in quarzo contenuto nel portacampioni.
Propongo come traduzione "quarzo con sfondo zero".
Vedi anche:

X-ray Diffraction Experiments

Attempts at obtaining an x-ray diffraction (XRD) pattern from the samples using our Philips diffractometer were unsuccessful. Detection of any reflections at all from such small samples (without grinding to a powder) requires special instrumentation and conditions. Therefore, the samples were taken to an X-ray facility equiped with a state-of-the-art Siemens D-5000 diffractometer. The samples were mounted on "Zero-background" quartz slides, and scanned from 5 to 90 degrees 2 theta at an extremely slow speed over a period of 10 hours using Cu K-alpha radiation. Both samples T1,2-A and -B were mounted side-by-side to maximize sample area. Sample T3-A was mounted and scanned alone. As seen from the print-out of the raw data in Figure 5, the two samples are not much different with respect to detected crystalline phases.
Selected response from:

Laura Gentili
Italy
Local time: 02:42
Grading comment
grazie!!
4 KudoZ points were awarded for this answer



Summary of answers provided
4vedi testo
Laura Gentili


  

Answers


33 mins   confidence: Answerer confidence 4/5Answerer confidence 4/5
vedi testo


Explanation:
L'idea è che il quarzo non deve contribuire con intensità diffratta o diffusa.
Nel testo da te riportato manca o si sottintende un termine, "plate" o "slides", ovvero l'oggetto in quarzo contenuto nel portacampioni.
Propongo come traduzione "quarzo con sfondo zero".
Vedi anche:

X-ray Diffraction Experiments

Attempts at obtaining an x-ray diffraction (XRD) pattern from the samples using our Philips diffractometer were unsuccessful. Detection of any reflections at all from such small samples (without grinding to a powder) requires special instrumentation and conditions. Therefore, the samples were taken to an X-ray facility equiped with a state-of-the-art Siemens D-5000 diffractometer. The samples were mounted on "Zero-background" quartz slides, and scanned from 5 to 90 degrees 2 theta at an extremely slow speed over a period of 10 hours using Cu K-alpha radiation. Both samples T1,2-A and -B were mounted side-by-side to maximize sample area. Sample T3-A was mounted and scanned alone. As seen from the print-out of the raw data in Figure 5, the two samples are not much different with respect to detected crystalline phases.


Laura Gentili
Italy
Local time: 02:42
Native speaker of: Native in ItalianItalian
PRO pts in category: 25
Grading comment
grazie!!
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