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爱哭的星星

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[求助] 求助一段翻译,汉译英,求大家帮帮,急急急 已有1人参与

由热力学第二定律可知:在成核阶段,随着体系的单体浓度增加,化学反应的熵减小,体系的成核自由能降低。即:在高过饱和度下可以降低形核势垒,加速成核反应。并且与低过饱和度下相比,随着纳米材料的生长,体系的自由能进一步降低。因此,六角相的NaYF4能够很容易的获得。
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ziyidiewu

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好熟悉的名词来着
2楼2017-09-24 11:53:19
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ziyidiewu

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【答案】应助回帖

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感谢参与,应助指数 +1
爱哭的星星: 金币+50, ★有帮助 2017-09-24 20:29:42
爱哭的星星(ANDPing代发): 金币+10, 感谢应助,欢迎常来专业外语版交流学习 2018-03-17 19:31:08
由热力学第二定律可知:在成核阶段,随着体系的单体浓度增加,化学反应的熵减小,体系的成核自由能降低。
即:在高过饱和度下可以降低形核势垒,加速成核反应。并且与低过饱和度下相比,随着纳米材料的生长,体系的自由能进一步降低。
因此,六角相的NaYF4能够很容易的获得。
According to the 2nd law of thermodynamics, at nucleation period, the entropy of chemical reaction will decrease and free energy of nucleation  will reduce with increasing of monomer concentration in the system.
That is to say, higher degree of supersaturation can reduce barrier to accelerate nucleation reaction. And compared with at lower degree of supersaturation, in pace with the growth of nanomaterial, free energy will decrease further more.
Therfore, hexagonal phased NaYF4 can be easily obtained.
3楼2017-09-24 12:19:30
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