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1)  SiO2 aerogel
SiO2气凝胶
1.
Using the obtained silica aerogels as raw materials,SiO2 aerogel/chitosan composite materials were prepared by an electrostatic effect.
采用常压干燥法制备了SiO2气凝胶,所得气凝胶为介孔结构,比表面积618。
2.
SiO2 aerogel doped CNTs with different contents were prepared using TEOS and CNTs as raw materials.
以正硅酸乙酯(TEOS)和碳纳米管(CNTs)为原料,采用溶胶-凝胶法和常压干燥法制备不同碳纳米管(CNTs)含量的SiO2气凝胶隔热材料。
3.
Nano-porous SiO2 aerogel insulations were prepared via two methods: (1) Using tetraethoxysilane (TEOS) as the precursor and followed by ethanol supercritical drying; (2) Surface modification of alcogels prepared from polyethoxydisiloxanes (E40) and followed by drying at ambient pressure.
以正硅酸四乙酯(TEOS)为硅源,通过溶胶凝胶及超临界干燥过程制备了SiO2气凝胶
2)  Silica Aerogels
SiO2气凝胶
1.
Silica Aerogels are nano-porous non-crystalline materials with highly effective thermal insulations whose structures can be controlled through preparations.
SiO2气凝胶是一种结构可控的新型纳米多孔高效绝热材料。
2.
A method to prepare silica aerogels is described.
采用溶胶-凝胶技术,以多聚硅(E-40)为源,通过表面修饰工艺,在常压条件下制备了SiO2气凝胶
3.
A new method to prepare hydrophobic silica aerogels as effective adsorptive material was introduced.
以多聚硅E-40为硅源,采用溶胶-凝胶法,通过表面修饰等工艺,在常压条件下制备了高气孔率的疏水性SiO2气凝胶
3)  silica aerogel
SiO2气凝胶
1.
Silica aerogel is prepared from TEOS through sol-gel process,and the xonotlite-silica aerogel nanoporous super insulation sheets are made of the composition of silica aerogel and xonotlite,via vacuum impregnating,then dried by supercritical drying technique.
以正硅酸乙酯为硅源,利用溶胶-凝胶法制备SiO2气凝胶先驱体,而后采用真空浸渍工艺将SiO2气凝胶先驱体与硬硅钙石复合,最后经超临界干燥技术制备出了硅酸钙复合纳米孔超级绝热板材。
2.
Using cheap water glass as silica source,monolithic silica aerogel was prepared by sol-gel process and supercritical drying technique,the effect of preparing conditions on the gelling time of it was investigated.
以廉价水玻璃为硅源,经溶胶-凝胶工艺和超临界干燥技术制备了SiO2气凝胶块体,并研究了制备条件对其成胶时间的影响。
3.
Silica aerogel films were prepared via three different ambient pressure drying process by sol-gel method.
采用溶胶-凝胶法,通过三种不同的常压干燥工艺在玻璃表面制备了SiO2气凝胶薄膜,利用扫描电镜(SEM)、红外光谱(FTIR)、紫外/可见光谱及接触角测试对气凝胶薄膜的微观形貌、可见光透过率和疏水性进行了分析。
4)  SiO_2-aerogel
SiO2气凝胶
1.
By using experimental method,the moisture absorption and desorption characteristic of SiO_2-aerogel(nano-structured material) was studied and was compared with silica gel.
对一种纳米级材料———SiO2气凝胶的吸、放湿性能及规律进行了实验研究,并与普通变色硅胶的调湿性能进行了实验比较。
5)  SiO_2 aerogel
SiO2气凝胶
1.
After a reaction time of about 100min at room temperature, the silica sol was transformed into solgel, which was dried by supercritical drying technique to obtain wood-nano-SiO_2 aerogel.
在催化剂存在下,使正硅酸乙酯与乙醇-水溶液混合制备硅醇溶胶,迅速将其分别注入到西南桤木和紫椴木材中,令其在室温下反应100min左右得到木材-凝胶,然后采用超临界干燥技术制备木材-SiO2气凝胶
2.
The SiO_2 aerogel/chitosan composite materials were prepared by ambient drying method under electrostatic effect.
用环境干燥法,通过静电作用制备了SiO2气凝胶/壳聚糖复合材料。
6)  SiO2 aerogels
SiO2气凝胶
1.
Hydrophobic SiO2 aerogels prepared via sol-gel process using silica sol were modified trimethylchloro-silane(TMCS) for hydrophobic modification.
采用三甲基氯硅烷(TMCS)对硅溶胶制备的湿SiO2气凝胶进行表面疏水改性处理,研究了TMCS与孔洞中水的摩尔比对气凝胶的疏水改性作用与性能,用红外光谱法检测了疏水性改性的SiO2气凝胶,发现气凝胶表面的-OH被-OR基团取代,以此构建SiO2气凝胶的疏水性改性机理及模型,试验结果表明,TMCS与孔洞中水的摩尔比控制在0。
2.
Surface of nano SiO2 aerogels are modified by admixture of n-butyl alcohol,n-hexane and chlorotrimethylsilane(TMCS).
2nm,存在小于2nm的微孔,并根据实验数据采用FHH模型法计算得到SiO2气凝胶的表面分形维数Ds=2。
补充资料:Sds-聚丙烯酰胺凝胶电泳凝胶电泳

sds-聚丙烯酰胺凝胶电泳(sds-page,sodium dodecyl sulfate-polyacrylamide gel electrohoresis)

在有去污剂十二烷基硫酸钠存在下的聚丙烯酰胺凝胶电泳。sds-page只是按照分子大小分离的,而不是根据分子所带的电荷和大小分离的。

说明:补充资料仅用于学习参考,请勿用于其它任何用途。
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