吸光率

结果发现稀土元素铈负载后，纳米TiO2的反射光谱特性向可见光方向移动，红移到了500nm；并且在可见光区域的吸光率也发生了明显变化，提高了3倍。

The result shows that after loading rare earth element Ce the reflective spectral characteristic of nano-TiO_2 moves to the visible region with a red shift to 500 nm , and the obvious change takes place in the absorbance in the visible spectral range with a three-fold enhancement .

主要观测指标：紫外分光光度计检测吸光率（A值）及纯度、琼脂糖凝胶电泳、目的基因测序。

MAIN OUTCOME MEASURES : Ultraviolet spectrophotometer absorbance ( A ) and purity , agaroses gel electrophoresis , and objective gene sequencing .

用样本吸光率值与既定的判定值（cut-offvalue，COV）进行比较来判定样本中狂犬病病毒抗原阳性与否。

The presence or absence of rabies antigen is determined by comparing the absorbance value of the specimen to the established cut-off value ( COV ) .

该配合物的Soret带位于479nm，摩尔吸光率为2.4×10~5L/（mol·cm）。

The Soret band of the complex lies at 479 nm , with a molar absorptivity of 2.4 × 10 ~ 51 . mol ~ ( - 1 ) . cm ~ ( - 1 ) .

然后，用各种活化粉煤灰处理焦化厂脱酚工段废水，通过检测废水的吸光率来考察粉煤灰的脱色能力即吸附能。

Absorping ability of fly ash was studied by testing light absorption of waste water treated by activated fly ash .

研究结果表明：随着超声时间的增加，吸光率增大，分散性能变好；

The results indicated that with the increase of ultrasonic time absorbency would become larger , and then the dispersion stability become well .

其独特的镀膜镜面，吸光率达50%，不反光，视觉效果好，装饰性强。

Range of its distinct plated film lens , absorptance is amounted to50 % , do not glance , visual effect is good , adornment sex is strong .

用分光光度计测定混合淀粉试液的吸光率值，通过数据回归方程确定混合淀粉中玉米淀粉的含量。

Photoelectric spectrophotometer was used to determine the light-absorbent rate of the test solutions of mixed and the content of maize starch in mixed starch was calculated by data regression equation .

这项了不起的新技术，研究人员成为吸光率调制，使得制造出所用光线波长十分之一粗细的线条成为可能。

Remarkably , the new technique , which the researchers call absorbance modulation , makes it possible to create lines that are only about one-tenth as wide as the wavelength of light used to create them .

得到了各钒氧化合物能带和态密度曲线，吸光系数、折射率和透光率等光学参数，以及温度对各曲线的影响，不同组分对相变温度的影响。

As a result , the energy band and state density curves , the optical parameters such as absorption coefficient , refractive index and transmittance for vanadium oxides are obtained .

吸光光度计标准用于检查分光计系统的精确性。其配件包含一个参照标准和低、、吸光率的溶液。

Photometric Standards for Absorbance are used to check the accuracy of spectrometer systems . The kits consis of a reference and low , medium and high absorbance solutions . suck the poison out ( of a wound )