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三维六方
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  3 d-hexagonal
     Biomimetic synthesis of highly oriented 3D-hexagonal mesoporous silica thin films by evaporation-induced self-assembly process
     蒸发诱导自组装仿生合成高有序度三维六方介孔氧化硅薄膜
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  “三维六方”译为未确定词的双语例句
     Diverse mesophases were discovered, from AMS-1 to 10, including the structures of three dimensional (3d-) hexagonal, 3d-tetragonal, 3d-cubic, 2d-hexagonal, bicontinuous cubic and lamellar.
     笔者采用该合成路线合成出了各种不同的介观结构(AMS-1~10).包括三维六方、四方、立方、二维六方、双连续立方以及层状相等。
  相似匹配句对
     THREE DIMENSIONAL TRIANGULATION NET
     三维三角网
短句来源
     The Three-dimension Accuracy
     三维精度
短句来源
     THE CRYSTAL STRUCTURE OF SUDBURYITE
     六方锑钯矿的晶体结构
短句来源
     A Review on the Hexagonal Phase of Polyethylene
     聚乙烯六方
短句来源
     Experimental results show that the Sn-Co alloy film is of hexagonal solid solution,with Sn as the solvent,Co as the solute.
     XRD分析表明,该三维网状结构的Sn-Co合金镀层为六方固溶体结构.
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  3 d-hexagonal
Two distinct phases with two- and three-dimensional (2d- and 3d-) hexagonal periodic pore-arrangements have been detected.
      


From microporous to mesoporous and from ion template to emulsion template, liquid crystal template and bacterial template, the various templates were employed. Based on the space group, the ordered mesoporous materials can be subdivided into P6mm, P63/mmc, Pm3n, Ia3d etc. According to the mesophase pattern, they can be classified into 2-dimension hexagonal phase, 3-dimension hexagonal phase, bi-continuous cubic phase, L lamellar phase and multilamellar vesicles. In this article, the application of template and...

From microporous to mesoporous and from ion template to emulsion template, liquid crystal template and bacterial template, the various templates were employed. Based on the space group, the ordered mesoporous materials can be subdivided into P6mm, P63/mmc, Pm3n, Ia3d etc. According to the mesophase pattern, they can be classified into 2-dimension hexagonal phase, 3-dimension hexagonal phase, bi-continuous cubic phase, L lamellar phase and multilamellar vesicles. In this article, the application of template and the preparation of mesoporous molecular sieve via the single surfactant template were summarized.

从微孔到中孔或介孔材料的制备过程中,离子模板、乳液模板、液晶模板及至细菌模板得到广泛的应用。具有空间规整性的介孔材料就其介观结构所具有的空间群而言,有P6mm,P63/mmc,Pm3n,Ia3d;就其介观结构的形态而言,有二维六方,三维六方,双连续立方,L层状相,多层囊泡等。本文对MCM系列、SBA-n系列、MSU系列、以及那些较为单一的硅基品种FMS-16、HMS等的制备体系及其特点进行了综述。对介孔分子筛合成中常用的表面活性剂分子类型进行了归纳。本文针对的是单一表面活性剂作模板的类型,对那些混合型模板则未予详细介绍。

Imitating the mechanism of biomineralization,highly oriented 3D-hexagonal(P6_3/mmc) mesoporous silica thin films were prepared by evaporation-induced self-assembly(EISA) process using cetyltrimethyl ammonium bromide(CTAB) as the structure-directing agents and tetraethyl orthosilicate (TEOS) as the silica source.The films were deposited on glass substrates by dip-coating method.Their structure were characterized by small-angle X-ray diffraction(XRD),transmission electron microscopy(TEM) and nitrogen adsorption.A...

Imitating the mechanism of biomineralization,highly oriented 3D-hexagonal(P6_3/mmc) mesoporous silica thin films were prepared by evaporation-induced self-assembly(EISA) process using cetyltrimethyl ammonium bromide(CTAB) as the structure-directing agents and tetraethyl orthosilicate (TEOS) as the silica source.The films were deposited on glass substrates by dip-coating method.Their structure were characterized by small-angle X-ray diffraction(XRD),transmission electron microscopy(TEM) and nitrogen adsorption.A possible pathway has been proposed for the formation of 3D-hexagonal mesoporous silica thin films.

借鉴自然界生物矿化的形成机理,利用蒸发诱导自组装(EISA)的方法,以十六烷基三甲基溴化铵(CTAB)为结构导向剂,正硅酸乙酯(TEOS)为硅源,通过浸渍提拉在普通玻璃片上制备出高有序度、三维六方结构的介孔氧化硅薄膜,通过XRD、TEM、低温N2吸附/脱附等方法对薄膜进行了表征,并初步讨论了形成三维六方结构的机理。

>=Anionic surfactant templated mesoporous silicas (AMSs) were prepared by using anionic surfactant as the template and aminopropylsiloxane or quaternized aminopropylsiloxane as the co-structure directing agent (CSDA). Diverse mesophases were discovered, from AMS-1 to 10, including the structures of three dimensional (3d-) hexagonal, 3d-tetragonal, 3d-cubic, 2d-hexagonal, bicontinuous cubic and lamellar. This novel route to prepare mesoporous materials also leads to the formation of chiral mesoporous silica with...

>=Anionic surfactant templated mesoporous silicas (AMSs) were prepared by using anionic surfactant as the template and aminopropylsiloxane or quaternized aminopropylsiloxane as the co-structure directing agent (CSDA). Diverse mesophases were discovered, from AMS-1 to 10, including the structures of three dimensional (3d-) hexagonal, 3d-tetragonal, 3d-cubic, 2d-hexagonal, bicontinuous cubic and lamellar. This novel route to prepare mesoporous materials also leads to the formation of chiral mesoporous silica with helical mesopores running inside, by using chiral anionic surfactant as the template, and the helicity and morphology can be simply controlled by the stirring rate during the synthesis. Mesoporous silicas, functionalized with amino and quaternary ammonium groups and with the various structures given above were obtained by extraction of surfactant. Finally, the formation mechanism of AMS was discussed from the view of the kinetics and energetics, respectively.

以阴离子表面活性剂为模板剂的二氧化硅介孔材料(AMS)是通过引入带胺基或季铵盐的碱性硅烷助结构导向剂(CSDA)来合成的。笔者采用该合成路线合成出了各种不同的介观结构(AMS-1~10).包括三维六方、四方、立方、二维六方、双连续立方以及层状相等。另外,采用手性阴离子表面活性剂作为模板剂首次合成出具有二维六方晶系结构排列、不同曲率、有序螺旋状孔道绕着六角柱的中心旋转的氧化硅介孔材料。在最近的研究工作中发现,这种螺旋的孔道及形貌可以通过合成过程中的搅拌速率来控制。通过萃取,可以得到氨基或季铵盐表面修饰的具有不同结构的介孔材料。最后,根据动力学和热力学理论论述了AMS介孔材料的合成机理。

 
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