薄膜

The third order nonlinear optical refractive index and nonlinear absorption coefficient are enhanced due to the quantum confinement effects and estimated to be 4×10 -12 m 2/W and 2×10 -5 m/W respectively in nonresonant condition,while 2×10 -11 m 2/W and -1×10 -4 m/W respectively in quasi resonant condition.

结果表明，薄膜的三阶光学非线性折射率系数和非线性吸收系数都由于量子限制效应而大大地增强，在非共振条件下，它们分别约为 4× 10 - 1 2 m2 / W和 2× 10 - 5m/ W，在准共振的条件下，它们分别约为 2× 10 - 1 1 m2 / W和- 1× 10 - 4m/ W。

Absorption spectrta, fluorescence spectra , linear absorption coefficient, linear refractive index, molecule concentration of liquid samples and thickness of thin films were measured.

对自制的偶氮苯样品作吸收光谱、荧光光谱、线性吸收系数、线性折射率以及液体样品的浓度和薄膜样品的膜厚等的测量。

The optical absorption spectrum of the film has been measured and the bandgap of the film has been also determined.

我们测试了此薄膜的光吸收特性，并得到了它的禁带宽度。

It was found that copolymerization of selected acetylenes with different polarity by using palladium acetylide complex catalysts is an effective method for improving solubility of polymers, especially doped polymers, which makes the above mentioned polymers and doped ones a new type of π-conjugated sensing material for preparation of thin film humidity sensor.

研究发现，以新型过渡金属钯-炔配合物为催化剂，通过选择具有不同极性的取代乙炔单体进行共聚，可有效地提高聚合物的溶解性，尤其掺杂聚合物的溶解性，实现可溶酸掺杂，继而开发出上述系列新的π-共轭型聚炔湿敏材料，用以制备薄膜型湿敏元件。

The effect of the substrate on the surface properties of organosilicon polymer and acrylate polymer blend films was investigated.

研究了成膜基材对有机硅聚合物－聚甲基丙烯酸甲酯溶液共混物薄膜表面性能的影响。

It was confirmed by ATRFTIR analysis that acrylonitrile was grafted onto the polymer surface.

并利用ATRFTIR分析证明了丙烯腈单体接枝到聚合物薄膜样品表面。

Then, activation energy model parameters were extracted from devices with various channel length and film quality.

然后，利用变化不同的通道长度和不同的薄膜品质，来萃取出模型中的各个参数。

Use semiconductor to adulterate to also can improve the smooth catalysis performance of TiO_2 film well, among them with SnO_2 effect best.

采用半导体掺杂也能很好地提高TiO_2薄膜的光催化性能，其中以SnO_2效果最好。

Thickness of aerogel films prepared is ~200 nm.

常压制备出来的气凝胶薄膜的厚度为~200 nm。

Aerogel is a special kind of mesoporous materials with high porosity, large specific surface area and excellent transparency.

有机污染物的光催化降解得到多方面的注意，但往往侧重於粉体或薄膜催化剂的制备和使用，而对於气凝胶光催化剂的关注甚少。

According to the clear water experiment, aeration performance of the new equipment is good with high total oxygen transfer coefficient and oxygen utilization ratio.

曝气设备的动力效率在叶轮转速为120rpm～150rpm时取得最大值，此时氧利用率和充氧能力也具有较高值。

The environmental stability of that world - including its crushing pressures and icy darkness - means that some of its most famous inhabitants have survived for eons as evolutionary throwbacks, their bodies undergoing little change.

稳定的海底环境─包括能把人压扁的压力和冰冷的黑暗─意谓海底某些最知名的栖居生物已以演化返祖的样态活了万世，形体几无变化。