Chinese translation for "high dispersion"
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- 大色散度
Related Translations:
- Example Sentences:
| 1. | High dispersion diffraction image 高分散衍射象 | | 2. | High dispersion prism 高色散棱镜 | | 3. | The spectrum was obtained with the subaru telescope ' s high dispersion spectrograph with exposure time of three hours 频谱获得与列表望远镜的高色散光谱仪曝光时间3小时 | | 4. | High dispersion of tetra - coordinated titanium is achieved by means of adjusting optimal combination of titanium and silicon atoms , hence the activity of the materials can be improved 通过硅钛原子的合理匹配可以达到四配位钛的高度分散,从而提高催化活性。 | | 5. | Peg and pmaa - nh4 were used to disperse sic and si3n4 nano - particles in water and alcohol . the results showed that the high dispersion and stable suspension were obtained as the addition of pmaa - nh4 being 0 . 3wt % and ph value 9 ~ 10 沉降实验和粘度实验结果表明,采用pmaa - nh4作为分散剂,分散剂加入量为0 . 3wt % , ph值为9 ~ 10时,可以得到高分散、高稳定的水悬浮液。 | | 6. | This kind of catalyst was very fine , with strong interaction between the support and the active component particle , and high dispersion of such particles on the surface of the support . yield of carbon nanotubes can also be improved greatly by the doping of molybdenum to catalyst 本文所采用的柠檬酸法瞬时烧爆工艺制备的催化剂,颗粒小,载体与活性组分接触好,活性组分分散均匀,可望实现单壁纳米碳管的大规模制备。 | | 7. | Through the comparison between freeze - drying and heat - drying , the agglomeration and the desorption of the precursor on carbon support can be alleviated with freeze - drying method . the effects on the electrocatalysts by pretreatments of carbon support , dispersant and precursor are studied . the result shows that pretreatment of the carbon support by kmno _ 4 can add oxygen - containing functional groups on the surface of carbon , which can reduce the hydrophobicity of the carbon support , and then make it much easier for carbon to dissolve in water to form suspension ; isopropyl alcohol can make the carbon support in high dispersion in the precursor solution , which can make the precursor absorbed on the surface of the carbon 采用高锰酸钾氧化预处理的碳载体比表面积较大,表面含氧官能团数量较多,亲水性较好,有利于前躯体在碳载体表面的吸附;选取异丙醇作为预冻液中的分散剂,有利于碳载体在前躯体溶液中的分散,容易实现前躯体离子在碳载体表面的稳定吸附和分散;使用酸性pt ( no _ 2 ) _ 2 ( nh _ 3 ) _ 2作为前躯体,可以使前躯体离子和碳载体表面的酸性含氧官能团发生离子交换反应,使得前躯体离子吸附量增大,分散更加均匀,以上三种因素的选取都可以得到催化活性更高的pt / c催化剂。 | | 8. | The ratio of isopropyl alcohol and pure water and temperature in the process of freezing are considerated in the research of the preparation of the pt / c electrocatalysts with freeze - drying method . the result shows , when we use 300ml pure water to wash the carbon ( 40mg ) in isopropyl alcohol ( 20ml ) to alter the ratio of isopropyl alcohol and pure water , we get the electrocatalysts with high catalytic activity ; the use of the liquid nitrogen ( - 196 ) to freeze the suspension ( carbon and precursor solution ) can make the pt / c electrocatalysts in high dispersion 采用300ml纯水对20ml异丙醇中的40mg碳载体进行洗涤抽滤,来改变预冻液中的醇水比例,通过冷冻干燥制备pt / c的性能较好;采用液氮对预冻液进行冷冻(预冻温度为- 196 )制备的pt / c催化剂性能较好;冷冻干燥法可以有效地避免加热干燥过程中前躯体离子在碳载体表面的脱附和团聚,进而制备载量大、分散性好、粒径较小的pt / c催化剂。 |
- Similar Words:
- "high directional stability" Chinese translation, "high discharge mixer" Chinese translation, "high discharge rate accumulator" Chinese translation, "high disease resistance" Chinese translation, "high dispersing rosin emulsion" Chinese translation, "high dispersion crown glass" Chinese translation, "high dispersion diffraction image" Chinese translation, "high dispersion prism" Chinese translation, "high dispersion spectrum" Chinese translation, "high distillate fuel oil" Chinese translation
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