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1)  porous silica powder
多孔SiO2粉体
2)  microporous powder
多孔粉体
1.
We describe a modification of a BET adsorption apparatus,in which the key instrument is a high precision differential pressure sensor,which even small laboratories can afford,that can be used to measure the internal diffusivity and micropore size distribution (mPSD) of microporous powders.
多孔粉体在介孔和微孔范围内的表征需要专业的实验仪器,这限定了对该类材料全面的表征只能在大型实验室中进行。
3)  porous SiO2
多孔SiO2
1.
Mesoporous SiO2 monoliths with pore diameter of ~20 nm for enzyme immobilization were synthesized via sol-gel route by using tetraethoxysilane (TEOS), polyethylene glycol (PEG) and gelatin as raw materials.
本文通过溶胶-凝胶法,以正硅酸乙酯、聚乙二醇和明胶为主要原料,制得了孔径约为20nm的生物酶载体用多孔SiO2块状材料,并着重研究了热处理温度对多孔SiO2载体的结构和酶活力的影响。
2.
Ag-carrying porous SiO2 as a new kind of inorganic antibacterial materials was prepared.
探讨了以多孔SiO2为载体的含银无机抗菌剂的制备工艺和灭菌性能。
3.
The large surface area of the resulting SiO2-TiO2 nanocomposites is attributed to the small crystallite size and porous SiO2.
在溶胶-水热法所合成的锐钛矿相TiO2纳米晶基础上,利用模板剂调制的SiO2溶胶进一步合成了多孔SiO2与TiO2复合纳米粒子,重点研究了复合SiO2对纳米锐钛矿相TiO2热稳定性及光催化活性的影响。
4)  porous silica
多孔SiO2
1.
Unconsidering the effect of crossing factors,a series experiments with 5-factor and 4-level experiments are designed to study on the effect to diameter of porous silica particles prepared from wollastinite.
在不考虑交互作用情况下,设计了五因素四水平正交实验以考察诸因素对硅灰石制多孔SiO2聚集体颗粒粒径的影响。
2.
This paper reported the study on surface treatment of porous silica by the means of chemistry, microwave and plasma and etc.
通过化学方法、微波照射以及空气等离子体处理对多孔SiO2 表面进行了激活 ,再将激活了的SiO2 进行表面水合 。
3.
Low dielectric constant thin film of nanoporous silica synthesized by sol-gel w as deposited on Si(100) substrate by spin coating.
以正硅酸乙酯 (TEOS)为原料 ,采用旋转涂敷的方法 ,结合溶胶 凝胶技术在硅衬底上制备超低介电常数多孔SiO2 薄膜 采用两种不同的改性方法对薄膜表面进行改性 ,傅里叶变换红外光谱分析发现改性后薄膜中含有大量的—CH3键 ,从而减少了孔洞塌陷 。
5)  SiO2 particles
SiO2粉体
1.
The SEM and XRD analysis results show that the nickel particles on the surface of SiO2 particles were homogeneously crystallized and the cladding was complete gradually with the increase of nickel plating.
为制备质量轻、吸收频段宽的电磁波吸收涂层,采用高压液相氢还原工艺对SiO2粉体进行表面镀镍改性处理,并制备了表面改性SiO2涂层。
6)  Ag-carried porous silica
载银多孔SiO2
1.
An Ag-carried porous silica is prepared with absorption method and is characterized by XRD and minimalinhbitory concentration(MIC).
随焙烧温度升高,载银多孔SiO2抗菌性能逐渐降低。
补充资料:多孔陶瓷支撑体膜
分子式:
CAS号:

性质:在多孔陶瓷体上附着的微孔陶瓷膜层。膜层厚度一般在几微米到几十微米,外径孔径一般为0.1~0.5μm,个别也有厚度达3~5μm、孔径10μm的。多采用氧化铝、二氧化钛和二氧化锆等作膜材料。制法是:用电机带动陶瓷支撑体旋转,当溶胶液(膜材料)滴落在支撑体上,就会迅速地敷覆到支撑体表面,待溶剂蒸发、凝胶化和干燥成膜后,经热处理而制成氧化物薄膜。现已为食品(含饮料)、医药、生物技术和环境保护等领域开发利用。

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