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wuyao118金虫 (小有名气)
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[求助]
无机纳米化学方向，请教高手翻译一段话，论文中急需，谢谢！
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可能的原因为，在ω值不变的条件下，水核的大小不变，当反应物浓度增加时(1 mol/L)，同样大小的水核所包含的反应物量增多，因而W纳米晶的生长速度加快，使之不能很好地生长为纳米片，并自组装成空心微米球，导致产品尺寸大而不规则；当反应物浓度适中(0.5 mol/L)时，纳米晶的生长速度合适，使W能定向生长为纳米片，并在球形水核的限制下，自组装为空心微米球；而当W浓度为0.1 mol/L时，水核中容纳的反应物浓度过低，W纳米片的生长速度也很慢，得到的纳米片较少，在水核中不足以自组装成微米球，因而得到的是纳米片状的W。 [ Last edited by wuyao118 on 2011-5-13 at 08:14 ] |
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ziyoujisea
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【答案】应助回帖
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Mally89(金币+2): 多谢交流！~欢迎常来！~O(∩_∩)O~ 2011-05-14 23:15:52
wuyao118(金币+90, 翻译EPI+1): 2011-05-16 10:16:24
Mally89(金币+2): 多谢交流！~欢迎常来！~O(∩_∩)O~ 2011-05-14 23:15:52
wuyao118(金币+90, 翻译EPI+1): 2011-05-16 10:16:24
| Possible reasons are as follows. The size of the water nuclear kept constant with the same ω value. When the reactant concentration increased (1 mol / L), the reactant increased in the same size water nuclear, thus the growth rate of nano crystal W increased, unable to grow well as nano-plate and self-assemble into hollow microspheres, leading to product with large size and irregular shape. When the reactant concentration was suitable (0.5 mol / L), the growth rate of the nano crystal was suitable too and W orientated growth into nano-plate, which self-assembled into hollow microspheres with the restriction of spherical water nuclear. While when the reactant concentration was 0.1 mol / L, the reactant concentration in the water nuclear was too low and growth rate of the W nano-plate was slowly, which resulting too less amount of nano-plate to self-assembled into hollow microspheres, so the resulting product was W nano-plate. |
2楼2011-05-14 01:38:07
