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  3. Chemistry; Chem Sci/Eng

Optical brighteners

Arabic translation: مبيضات ضوئية/فلوريسنت/فلورة

GLOSSARY ENTRY (DERIVED FROM QUESTION BELOW)
English term or phrase:Optical brighteners
Arabic translation:مبيضات ضوئية/فلوريسنت/فلورة
Entered by: Nadia Ayoub

12:48 Nov 20, 2012
English to Arabic translations [PRO]
Science - Chemistry; Chem Sci/Eng
English term or phrase: Optical brighteners
http://en.wikipedia.org/wiki/Optical_brightener
Optical brighteners, optical brightening agents (OBAs), fluorescent brightening agents (FBAs) or fluorescent whitening agents (FWAs) are dyes that absorb light in the ultraviolet and violet region (usually 340-370 nm) of the electromagnetic spectrum, and re-emit light in the blue region (typically 420-470 nm). Fluorescent activity is a short term or rapid emission response, unlike phosphorescence, which is a delayed emission. These additives are often used to enhance the appearance of color of fabric and paper, causing a "whitening" effect, making materials look less yellow by increasing the overall amount of blue light reflected.

Thank you for your help!
Nadia Ayoub
Egypt
Local time: 06:18
مبيضات ضوئية/فلوريسنت/فلورة
Explanation:
fluorescent whitening=agentoptical brightener

http://www.google.ch/url?sa=t&rct=j&q=&esrc=s&source=web&cd=...
Selected response from:

TargamaT team
France
Local time: 06:18
Grading comment
I used مبيضات ضوئية. Thank you!
4 KudoZ points were awarded for this answer



Summary of answers provided
4 +1المبيّضات / الملمّعات البصرية
Lina Shehabi Murad (Mourant)
4مبيضات ضوئية/فلوريسنت/فلورة
TargamaT team
4مسطعات ضوئية
Mokhtar Oussama Alliouche
4المضيء المبصري
Heba Abed


  

Answers


10 mins   confidence: Answerer confidence 4/5Answerer confidence 4/5
optical brighteners
مبيضات ضوئية/فلوريسنت/فلورة


Explanation:
fluorescent whitening=agentoptical brightener

http://www.google.ch/url?sa=t&rct=j&q=&esrc=s&source=web&cd=...

TargamaT team
France
Local time: 06:18
Works in field
Native speaker of: Native in ArabicArabic, Native in FrenchFrench
PRO pts in category: 114
Grading comment
I used مبيضات ضوئية. Thank you!
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14 mins   confidence: Answerer confidence 4/5Answerer confidence 4/5
optical brighteners
مسطعات ضوئية


Explanation:
https://www.google.com/#hl=fr&safe=off&output=search&sclient...

Mokhtar Oussama Alliouche
Algeria
Local time: 05:18
Native speaker of: Arabic
PRO pts in category: 4
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4 hrs   confidence: Answerer confidence 4/5Answerer confidence 4/5
optical brighteners
المضيء المبصري


Explanation:
المضئ البصري

المضئ البصري عبارة عن أصباغ تمتص الضوء في منطقة الأشعة فوق البنفسجية وفوق البنفسجية (عادة 340-370 نانومتر) من الطيف الكهرومغناطيسي, ويعادة إنبعاث الضوء في المنطقة الزرقاء (عادة 420-470 نانومتر). وغالبا ما تستخدم هذه الإضافات لتحسين مظهر اللون من القماش والورق, مما تسبب في تأثير "تبييض" , مما يجعل المواد تبدو أقل اصفرارا عن طريق زيادة الكمية الإجمالية من الضوء الأزرق المنعكس

http://www.pigmentapi.asia/5-optical-brightener.html

Heba Abed
Egypt
Local time: 06:18
Native speaker of: Native in ArabicArabic
Login to enter a peer comment (or grade)

21 hrs   confidence: Answerer confidence 4/5Answerer confidence 4/5 peer agreement (net): +1
optical brighteners
المبيّضات / الملمّعات البصرية


Explanation:
المبيّضات / الملمّعات البصرية

Lina Shehabi Murad (Mourant)
Greece
Local time: 07:18
Native speaker of: Native in ArabicArabic
PRO pts in category: 4

Peer comments on this answer (and responses from the answerer)
agree  Rabie El Magdouli
1 day 1 hr
  -> Thanks a lot
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