查询词典 emission spectrum

Their morphologies,crystal structures and luminescent properties were analyzed with X-ray diffraction,scanning electron microscope and emission spectrum.

运用扫描电子显微镜、X射线衍射仪和荧光光谱仪分别对碘化铯薄膜的形貌、结构及发光性能等进行了表征与分析。

Study on emission spectrum of N2 molecule C3Πu state in DC glowing discharge［J］.

直流放电等离子体中氮分子C3Πu态的光谱研究［J］。

Investigation on dynamics of the emission spectrum from the plasma produced by laser ablation of metal surface is one of most effective experimental methods to explore the laser induced plasma dynamics.

激光诱导等离子体的形成过程，以及电子密度和电子温度等主要描述等离子体特性参量的动力学特性，是激光等离子体研究的主要内容。

As the emission spectrum of Erbium ions covers 1550nm, which is the low loss window in fiber optic communication, the study on EDFA and fiber laser is crucial for the development of technology of fiber optical communication.

由于铒离子的发射谱覆盖了1550nm的光纤通信低损耗窗口，因此对掺铒光纤放大器及激光器的研究将对光纤通信技术的发展起着举足轻重的作用。

Regular porosity in about 38 nanometer size was observed using atomic force microscopy. Excitation and Emission spectrum were obtained by using F-4500 fluorometer.

用F-4500型荧光分光光度计测量其三维荧光谱，与未经氧化的铝片作对比，发现前者的激发谱在280 nm~340 nm有一个较宽的谱带，并且在253.8 nm附近有一个肩峰，发射谱有一个以417.4 nm为峰值的较宽谱带，而后者却无任何明显的发射峰和激发峰。

The two Fraunhofer lines at 688nm and 760nm are obvious in the radiance spectra by ASD FieldSpec Pro NIR spectrometer,which largely overlap the chlorophyll fluorescence emission spectrum of leaves.

第三，研究并分析了夫琅和费暗线方法计算的688nm和760nm波段的荧光特性，结果表明该方法计算的荧光是可靠的，它与光合有效辐射关系密切，复相关系数达到了0.9；冬小麦冠层荧光光谱在760nm和688nm波段的荧光大小基本相等，而地锦冠层荧光光谱在688nm波段的荧光强度是760nm的3倍左右，表明荧光光谱能够更加敏感地反映植被物种或生理生化状况的差别。

We have shown that the emission spectrum of the harmonically trapped atom is closely dependent on the initial state of the system, Lamb-Dicke parameter and the detuning parameter.

我们的研究结果表明俘获原子发射谱不仅依赖系统的初态，还与调谐参数和Lamb-Dicke参数有密切关系。

Determination on Contents of Essential Metal Elements of Human in Potentilla anserine L. by Inductively Coupled Plasma-Atomic Emission Spectrum

等离子体发射光谱法测定蕨麻中人体必需金属元素含量的研究，刘晓颖；丁毅；谢继锋；沈宇-66文免费论文库，大学生论文库

Matching error of scintillator emission spectrum with lens system will have influence on image quality of photoelectric receiving systems in flash radiography.

转换屏的X射线激发发光光谱与透镜系统的匹配偏差会对闪光照相光电接收系统的成像质量造成影响。

Spectrometer was adopted to measure the emission spectrum of argon plasma jet at the ignitor exit; boltzmann curve slope method was applied to caculate the jet electron temperature; ionization equilibrium equation was used to caculate jet temperature and measured a law that length, electron temperature and jet temperature of ignitor exit jet length changed with arc current and flowrate.

采用光谱仪测量了氩气等离子体射流在点火器出口的发射光谱，利用玻尔兹曼曲线斜率法计算了射流的电子温度，并通过电离平衡方程计算了射流气体温度，测得了点火器出口射流的长度、电子温度和射流温度随弧电流以及流量的变化规律。

In the negative and interrogative forms, of course, this is identical to the non-emphatic forms.

。但是，在否定句或疑问句里，这种带有"do"的方法表达的效果却没有什么强调的意思。

Go down on one's knees;kneel down

屈膝跪下。。。下跪祈祷