Glossary entry

English term or phrase:

Na2O-equivalent

Chinese translation:

氧化鈉當量

Added to glossary by Li Cao
Nov 26, 2008 05:55
15 yrs ago
English term

Na2O-equivalent

English to Chinese Tech/Engineering Materials (Plastics, Ceramics, etc.)
水泥方面专业词汇。谢谢。
Proposed translations (Chinese)
4 +3 氧化鈉當量

Proposed translations

+3
22 mins
Selected

氧化鈉當量

See http://pcces.archnowledge.com/CSINewForum/Default.aspx?g=pos...
Na2O氧化鈉當量不得超過2.4Kg。

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Note added at 41 mins (2008-11-26 06:37:00 GMT)
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See page 21 at http://thesis.lib.ncu.edu.tw/ETD-db/ETD-search/getfile?URN=8...

2-2-3 水泥和混凝土中的鹼量
鹼金屬元素包括了Li、Na、K、Rb、Cs,鹼金屬的氧化物與水
發生反應形成鹼。水泥中含有鹼金屬的氧化物是Na 和K,在水泥工業中習慣以鹼含量 (alkali content)來表示。因為Na2O 和K2O 的分子量不同(Na2O=62.0,K2O=94.2)。
所以氧化鈉當量通常表示為:
Na2O equivalent (%)=Na2O (%)+(62.0/94.2)*K2O (%)
= Na2O (%)+0.658 *K2O (%)
Peer comment(s):

agree Han Li
18 mins
Thanks, Xiao Han!
agree lemonde
6 hrs
Thanks, lemonde!
agree Yurek
7 hrs
Thanks, Yurek!
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4 KudoZ points awarded for this answer. Comment: "谢谢"
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