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轩辕风雪

金虫 (小有名气)

[求助] 有一个单位不知道是什么 已有1人参与

在文献中看到这么一句话“For reasons discussed subsequently, the current lower limit for boron carbide in the core is about 50 w/o.”。请问这里面w/o是什么意思啊??

    谢谢各位大神了!!
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轩辕风雪

金虫 (小有名气)

引用回帖:
2楼: Originally posted by mac194 at 2014-10-18 05:10:37
percentage by weight
   =  =
中括号   代表单位

非常感谢!!!!
3楼2014-10-18 12:09:46
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mac194

铁虫 (职业作家)

【答案】应助回帖

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感谢参与,应助指数 +1
轩辕风雪: 金币+5, ★★★★★最佳答案 2014-10-18 12:10:06
percentage by weight
  [w/o] = [% by weight] = [% by wt.]
中括号 [...]  代表单位
2楼2014-10-18 05:10:37
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