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philostring銀蟲 (初入文壇)
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[求助]
關(guān)于一段乳液穩(wěn)定性的英文描述,沒看懂,求大神指點
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| We note here that the work to create the interface contains positive, quadratic terms in the colloid size, but these can be offset, at least in principle, by a negative contribution linear in the particle size, which contains the line tension. That may lead to a net negative free energy of creating the interface, which could occur for the small particles studied here, as the (positive) quadratic terms always dominate for a large colloid size. This line tension argument could explain why we never observed stable emulsions for colloids with a much larger radius than the nanoparticles in this study. |
木蟲 (小有名氣)
| 我們注意到那些工作,即產(chǎn)生的界面在膠質(zhì)大小上存在正的、二次方的關(guān)系。但是,至少在原則上,通過包含了線張力的粒子大小的負(fù)貢獻線性,這些可以被抵消。那可能導(dǎo)致產(chǎn)生一個靜的負(fù)自由能的界面,即出現(xiàn)在這里研究的小顆粒,因為正的、二次關(guān)系的情況經(jīng)常主導(dǎo)產(chǎn)生大的膠體顆粒。這些線張力參數(shù)可以解釋,在這個研究中為什么具有更大半徑的顆粒比納米粒子更難觀察到穩(wěn)定的膠體乳液。 |
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