| 1. | Effect of heat treatment on texture and structure of silica xerogels 热处理对二氧化硅干凝胶组织结构的影响 |
| 2. | The orthogonal optimization of reactive mixture ratio of silica xerogels 正交优化二氧化硅干凝胶反应配比的研究 |
| 3. | Fractal characteristic of the porous structure of the additive silica xerogels 掺杂二氧化硅干凝胶孔结构的分形特性 |
| 4. | After dried at 70 and 100 , the dried gels are transparent without cracks , then calcined respectively 经过70及100干燥处理后得到无开裂透明的干凝胶,并对它们进行烧结。 |
| 5. | After dry gelation is calcined at 400 , nanometer powder with low sintering temperature and great performance can be successfully prepared 将干凝胶在400预烧就可以获得性能优良的纳米粉。 |
| 6. | The sem micrographs of xerogel thin films show that the surface of the films is homogeneous , no cracks and holes are observed and it has a fiber - like microstructure Sem观察表明v _ 2o _ 5 - moo _ 3干凝胶薄膜是一种纤维状显微结构,且纳米复合薄膜表面均匀,无裂纹和孔洞。 |
| 7. | The major results were listed below : the forming processing of xos xerogel was studied . the results showed that it is useful to apply the oxygen top - blend technique to the fabrication of vaos xerogel by melt quenching 研究了氧气顶吹对v _ 2o _ 5干凝胶形成过程的影响,结果表明:氧气顶吹工艺运用于熔融淬冷法制备v _ 2o _ 5干凝胶是可行的。 |
| 8. | Zro2 ( 6 % y2o3 ) ( ysz ) nano - powders were perpared by dc non - transferred arc plasma systems . based on the tem and xrd analysis results of powde , the particle size of tsz was about 20nm with high purity more than 98 . 7 % 采用直流电弧等离子体“喷射法” ,以草酸盐干凝胶粉为原料,制备出了平均尺寸为为20nm的ysz纳米粉末,粉末纯度大于98 . 7 。 |
| 9. | Peo can be completely intercalated into the interlayer of v2o5 xerogel in form of amorphous state at x = 0 . 5 , whereas partial peo can not be intercalated into v2os xerogel interlayer and exists outside of v2o5 xerogel interlayer in form of crystalline state at x = l , 2 当x为0 . 5时, peo的嵌入较完全,在层间以非晶态形式存在;当x = 1 、 2时,部分peo未能嵌入氧化物干凝胶层间而存在于其主体之外,以晶态形式存在。 |
| 10. | Peo can be completely intercalated into the interlayer of v2o5 - moo3 xerogel in form of amorphous state at x 1 , whereas partial peo can not be intercalated into v2o5 - moo3 xerogel interlayer and exists outside of v2o5 - moo3 xerogel interlayer in form of crystalline state at x = 2 当x约为1时, peo的嵌入较完全,在层间以非晶态形式存在;当x = 2时,部分peo未能嵌入氧化物干凝胶层间而存在于其主体之外,以晶态形式存在。 |