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wuyao118金蟲(chóng) (小有名氣)
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[求助]
無(wú)機(jī)納米化學(xué)方向,請(qǐng)教高手翻譯一段話(huà),論文中急需,謝謝!
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可能的原因?yàn)椋讦刂挡蛔兊臈l件下,水核的大小不變,當(dāng)反應(yīng)物濃度增加時(shí)(1 mol/L),同樣大小的水核所包含的反應(yīng)物量增多,因而W納米晶的生長(zhǎng)速度加快,使之不能很好地生長(zhǎng)為納米片,并自組裝成空心微米球,導(dǎo)致產(chǎn)品尺寸大而不規(guī)則;當(dāng)反應(yīng)物濃度適中(0.5 mol/L)時(shí),納米晶的生長(zhǎng)速度合適,使W能定向生長(zhǎng)為納米片,并在球形水核的限制下,自組裝為空心微米球;而當(dāng)W濃度為0.1 mol/L時(shí),水核中容納的反應(yīng)物濃度過(guò)低,W納米片的生長(zhǎng)速度也很慢,得到的納米片較少,在水核中不足以自組裝成微米球,因而得到的是納米片狀的W。 [ Last edited by wuyao118 on 2011-5-13 at 08:14 ] |
銀蟲(chóng) (小有名氣)
| 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. |
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