1) Photoacoustic spectroscopy
光声光谱
1.
Study of the Photoacoustic Spectroscopy on the Phosphatizing of the Surface of Steel;
钢铁表面磷化过程的光声光谱研究
2.
Sensitive wavelength-modulated photoacoustic spectroscopy with DFB diode laser;
灵敏的基于分布反馈式半导体激光波长调制光声光谱(英文)
2) photoacoustic spectrum
光声光谱
1.
The theory of photoacoustic spectrum is presented briefly in this paper.
论述了光声光谱信号的产生。
2.
By means of the normalized photoacoustic spectrum technique,the relative spectrum responsibility o.
用该传感器作为光源功率监测器 ,用归一化的光声光谱技术测量了光电探测器的相对光谱响应曲线 ,从而消除了光电探测器量子效率对光源波长的依赖性 ,获得了光电探测器比较准确的相对光谱响应特性曲
3.
This paper applies the method of photoacoustic spectroscopy to detect the C2H4 gas in oil, the generation of photoacoustic spectrum is presented, the CO2 laser is used as the light source to measure C2H4 gas concentration.
光声光谱气体分析技术灵敏度高,不消耗被测气体,克服了传统的变压器检测的气相色谱分析方法的缺点。
3) PAS
[英][pɑ:] [美][pɑ]
光声光谱
1.
The PAS and Relaxation Process of Chlorophyll a;
叶绿素a的光声光谱及弛豫过程
2.
The excitation-relaxation processes of the solid Tb(Ⅲ) complexes (Tb(AA) 3·2H 2O,Tb(AA) 3bpy and Tb(AA) 3phen) have been studied by photoacoustic spectroscopy (PAS) with the conjunction of fluorescence spectroscopy.
将光声光谱和荧光光谱两种互补的手段结合起来 ,从无辐射跃迁和辐射跃迁两个角度讨论了固态稀土配合物的激发 弛豫过程。
3.
Through the comparison between infrared photoacoustic spectra (IR PAS) of fiber samples in different shapes and the comparison between IR PAS and IR spectra of the same samples, it is showed that IR PAS is a very convenient method for the analysis of fiber samples with the advantage of high signal to noise ratio and high resolution.
本文通过不同状态纤维样品的红外光声光谱的比较以及同一样品的红外光声光谱与红外光谱的比较表明:红外光声光谱用于纤维样品的分析,与红外光谱相比具有简单快速、分辨率好、信噪比高等优点,是研究纤维样品很好的分析手段。
4) Photoacoustic spectra
光声光谱
1.
The characteristics of Eu(TTA) 3·phen thin films were studied in detail and its optical transparent region was determined by photoacoustic spectra.
合成了三元配合物 Eu( TTA) 3· phen,并采用化学改性 sol- gel提拉法制备了 Eu( TTA) 3· phen薄膜 ,对薄膜的各种性能进行了详细研究 ,并用光声光谱确定了 Eu( TTA) 3·phen薄膜的光学透明区
2.
The photoacoustic spectra of nano-SrTiO3 were systematically measured with the varied sensibility in short wave and long wave.
采用不同的灵敏度分段对纳米SrTiO3的光声光谱进行了测定,结果表明纳米SrTiO3的光学吸收边比单晶和薄膜有大于0。
3.
The photoacoustic spectra of CeO2∶Er with different particle sizes were measured in the condition of keeping the surface state of the nanocrystalline unchanged.
光声光谱在保持纳米材料表面状态不改变的前提下,分析了不同粒径的CeO2∶Er的光谱性质,解释了随纳米粒径减小CeO2光谱峰吸收峰有蓝移而Er3+没有明显谱峰位移的原因。
5) photoacoustic
[,fəutəuə'ku:stik]
光声光谱
1.
Research for Blood Glucose Concentration Monitoring Technique by Photoacoustic Spectroscopy;
血糖浓度光声光谱检测技术的研究
2.
Fourier infrared photoacoustic spectrum (FT-IR-PAS) was used for the studies of UV photooxidation in polypropylene.
用傅立叶变换红外光声光谱 (FT- IR- PAS)方法研究了本体聚合聚丙烯粉末的紫外光氧化。
6) FTIR PAS
外光声光谱
1.
The multiholed polypropylene film modified by collagen is analyzed with Fourier Transform Infared Photoacoustic Specteoscopy (FTIR PAS) and Scanning electron Microscope (SEM).
用傅里叶变换红外光声光谱（ＦＴＩＲＰＡＳ）和扫描电子显微镜（ＳＥＭ） 对表面涂覆胶原的聚丙烯微孔膜进行了分析。
补充资料：光声光谱
分子式：
CAS号：
性质：基于光声效应的一种谱学技术。光声光谱由微音器或压电检测器测得的声信号对激发波长或其他与调制激发光子能量相关的量作图得到。检测固体、液体和气体材料。试样置于密封光声池中，以一束强度被调制到与某一声频相适应的单色光进行照射。试样吸收光能后，其分子被激发到高能级。然后以无辐射返回基态，激发能转为热能，引起光声池中的压力波动，由微音器监测。可用于试样无损检测。
CAS号：
性质：基于光声效应的一种谱学技术。光声光谱由微音器或压电检测器测得的声信号对激发波长或其他与调制激发光子能量相关的量作图得到。检测固体、液体和气体材料。试样置于密封光声池中，以一束强度被调制到与某一声频相适应的单色光进行照射。试样吸收光能后，其分子被激发到高能级。然后以无辐射返回基态，激发能转为热能，引起光声池中的压力波动，由微音器监测。可用于试样无损检测。
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条