rounding and trace elements

Portuguese translation: devido ao arredondamento (dos valores numéricos) e a presença de elementos traço

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English term or phrase:	rounding and trace elements
Portuguese translation:	devido ao arredondamento (dos valores numéricos) e a presença de elementos traço
Entered by:	Mamifera

02:46 Aug 13, 2014

English to Portuguese translations [PRO]
Tech/Engineering - Chemistry; Chem Sci/Eng / análise metalográfrica

English term or phrase: rounding and trace elements

The chemical composition of material at locations on the internal surface was determined using a scanning electron microscope (SEM) equipped with an energy dispersive x-ray spectrometer (EDS). The locations include the yellow-green deposits, the blue-green corrosion products, and the black layers near the blue-green corrosion products. The results are shown in Table 1. Measurements were made directly on the sample surface and may include contributions from the underlying material. The totals may not equal 100% due to rounding and trace elements (< 0.5 wt%). Note: ND – Not detected.

Mamifera KudoZ activity Questions: 644 (1 open) (11 without valid answers) (13 closed without grading) Answers: 1 Brazil
Local time: 05:53

devido ao arredondamento (dos valores numéricos) e a presença de elementos traço

Explanation:
trace elementos são elementos presentes em quantidades tão ínfimas que é impossível sua determinação quantitativa. Note que não é uma família de elementos, trata-se de QUANTIDADES.
O texto explica que os totais não batem em 100% certinho devido a arredondamentos em valores (em geral na 2a casa decimal) e a presença em quantidades traço de certos elementos

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Note added at 9 mins (2014-08-13 02:55:37 GMT)
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correção: arredondamento de valores e presença de elementos em quantidades traço

Selected response from:

Mauro Lando
Brazil
Local time: 05:53

Grading comment

obrigado a todos pela ajuda.
4 KudoZ points were awarded for this answer

Summary of answers provided

5 +2

devido ao arredondamento (dos valores numéricos) e a presença de elementos traço

Mauro Lando

Answers

7 mins confidence:

peer agreement (net): +2

devido ao arredondamento (dos valores numéricos) e a presença de elementos traço

Mauro Lando
Brazil
Local time: 05:53
Specializes in field
Native speaker of:

Portuguese
PRO pts in category: 178

Grading comment

obrigado a todos pela ajuda.

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rounding and trace elements

Portuguese translation: devido ao arredondamento (dos valores numéricos) e a presença de elementos traço

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rounding and trace elements

Portuguese translation: devido ao arredondamento (dos valores numéricos) e a presença de elementos traço

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