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qingfeng7998

铁杆木虫 (著名写手)

[求助] 求助翻译一段话(4句话组成,由中文译成英语)---有关物理学/材料学方向

(希望能够句子翻译地道些,重要的是语法结构、句子框架等方面翻译准确些,对于太专业的词汇翻译不太准确没有关系,我可以自己修改。非常感谢啦!!)

       由导体的导电学说可知,影响导电能力的关键因素主要有两点:一点是导电粒子之间的接触数目即导电通路的多少;另一点则是粒子之间的接触程度。对于添加有A烧结助剂的B composites而言,除了C的导电性相对较好以外,D、E、F的导电性均较差,因而材料内部的导电粒子主要就是高温下反应所形成的C粒子。当添加的烧结助剂含量较低时(例如≤F2%),虽然F3粒子的添加相应的减少了体系中F4导电粒子的含量,但是添加F5粒子形成的液相使体系中空隙减少,致密度增加(见表1所示),导电粒子之间的接触程度较好,导电通路路径缩短,因而降低材料的电阻率。但是,当材料具有较高的致密度以后,继续增加F6的用量(例如≥F7%),一方面会产生过烧现象使材料的密度略有下降,气孔率略有增大,另一方面也进一步相应地降低了体系中F8导电粒子的含量,这两方面的原因导致了材料的电阻率增大。
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luckiest

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【答案】应助回帖

★ ★ ★ ★ ★ ★ ★ ★ ★ ★ ★ ★ ★ ★ ★ ★ ★ ★ ★ ★ ★ ★ ★ ★ ★ ★ ★ ★ ★ ★ ★ ★ ★ ★ ★ ★ ★ ★ ★ ★ ★ ★ ★ ★ ★ ★ ★ ★ ★ ★ ★ ★ ...
qingfeng7998: 金币+150, 翻译EPI+1, ★★★很有帮助, 非常感谢!大部分句子翻译比较地道! 2012-11-02 19:44:58
As known from the conductivity theory for conductor, there are mainly two key factors affecting conductivity-contact number of conductive particles (i.e. pathways of conductivity) and the contact extent between particles. With A sinter-reagent added to B composites, D, E, and F shows poor conductivity performances except C. Hence, the conductive partcles inside the material are mainly C particle formed under high temperatures. When the content of added sinter-reagent was low, for example, ≤F2%, although the addition of F3 particles decreased F4 conductive particles in the system, liquid state generated from the addition of F5 particles reduced the void in system increasing the density (Fig.1). Conductive particles contacted eachother quite good and conductive pathway was shortened. As a result, conductivity decreased.
Thus, conductivity of material increased after more F6 was added (≥F7%) when the material density was high enough, because material density decreased and pore rate increased resulting from over-calcination, and the other reason is the content of F8 conductive particles in the system was reduced.
2楼2012-11-01 22:32:01
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3楼2012-11-01 23:17:07
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