| 1. | Influences of nonstoichiometric ratio on the gas - sensing properties of sno2 - x thin films
薄膜非化学计量比对气敏性能的影响 |
| 2. | Optimizing the parameters of gasoline direct injection engines on stoichiometric mixture at full load
缸内直喷式汽油机燃用化学计量比混合气的试验 |
| 3. | The atom ratio of zn / s was close to 1 : 1 . which showed that the zns epilayers had good stoichiometry
Zns薄膜中zn s原子比都接近1 ： 1 ，制备的zns薄膜具有较好的化学计量比。 |
| 4. | The atomic ratio of zn / se was close to 1 : 1 , which showed that the znse epilayers had good stoichiometry
Znse薄膜中zn se原子比都接近1 ： 1 ，制备的znse薄膜具有较好的化学计量比。 |
| 5. | The relation of light intensity and the domain switching voltage of the near - stoichiometric mg - doped lithium niobate was studied
摘要研究了在可见光诱导条件下的近化学计量比掺镁铌酸锂的反转电压与光强之间的关系。 |
| 6. | However , the material undergoes large departures from stoichiometry at elevated temperatures in a reducing atomsphere with accompanying electronic conductivity
但是，在高温还原气氛下，这种材料的化学计量比将发生较大偏移，并伴随有电子电导。 |
| 7. | Traditional piezoelectric ceramics give off pb vapor in the preparation . the evaporation of pb caused not only deviation of the composition of ceramic but also the pollution to environment
传统的压电陶瓷在制备过程中存在着铅的挥发，不仅使陶瓷的化学计量比偏离，还会对环境造成污染。 |
| 8. | The main conclusions are summarized as follows : classical nucleation and growth mechanism only occurs near the phase boundary of the disordered phase , by which 8 " phase precipitates from supersaturated solid solution directly
主要研究发现：只有处在无序相界附近的合金沉淀机制基本为经典形核长大，相直接从过饱和固溶体中沉淀，序列为：过饱和固溶体化学计量比相长大。 |
| 9. | Tantalum oxide films were prepared by self - assembled middle frequency a . c . sputtering system . the contents and microstructure of the films were studies as the functions of oxygen percentage in sputtering gases and substrate temperature
论文采用自行组装的中频交流磁控溅射设备制备了氧化钽薄膜，考察了溅射气体中氧气含量、基底温度等对薄膜成分、结构的影响，并且通过优化工艺参数得到了接近化学计量比的氧化钽薄膜。 |
| 10. | The results indicate that ( a ) before heat treatment , with the increasing of substrate temperatures , content of lower valency ( tij + ) decreases , the stoichiometric proportion of o / ti in all samples is about 2 ; the films have amorphous incompact columnar fiber structure , and with the increasing of substrate temperature , the size of columnar fiber increases ; the films have good hyalescence in visible range and great absorbability at the wavelength of 350nm ; optical constants of the films are calculated from the transmittance spectrums in visible range by mathematical analysis of the orders of interference , the results show that the refractive ind
研究结果表明， ( a )热处理前，随着基片温度的增加，薄膜中的低价氧化钛含量逐渐减少，化学计量比趋于o ti = 2 ；薄膜具有非晶态不致密的柱状纤维结构，柱状纤维的尺寸随基片温度的升高而增加;薄膜在可见光范围内透明，在波长为35onzn时严重吸收，利用干涉级次法分析了薄膜的光学常数，结果表明，薄膜的折射率随基片温度的升高而增加，根据计算结果得到了tioz薄膜在不同基片温度下的折射率色散曲线。 |
