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spectral peak
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  谱峰
     The central NMR spectral peak ( δ =1.7×10 -6 ) is related to Be-OH-Al, characteristic of type I channel water molecules.
     中心共振谱峰 (δ=1 .7× 1 0 -6)与 Be—OH—Al有关 ,为 型通道水分子的表征。
短句来源
     The causes of declining intensity of yamamai cocoon spectral peak 1530cm~(-1) and the occurrences of the two spectral peaks 1320cm~(-1) and 770cm~(-1) are investigated through experiments of tussah cocoons oxidation.
     用柞蚕茧氧化实验证明了天蚕茧1530cm~(-1)谱峰强度降低的原因和1320cm~(-1)、770cm~(-1)两谱峰的由来,并对后面两个谱峰给予了归属;
短句来源
     The associated NMR spectral peak ( δ = 4.9×10 -6 ) is related to H-O. . .
     伴生共振谱峰 (δ=4.9× 1 0 -6)与 H—O…Na有关 ,代表 型通道水分子。
短句来源
     The reason for weakening the intensity of the spectral peak of 1530cm -1 and the origin of the two peaks of 1320cm -1 and 770cm -1 were illustrated by the oxidization experiment of antheraea pernyi cocoon. At the same time,the later peaks were assigned.
     用柞蚕茧氧化实验证明了东北及河南天蚕茧1530cm-1谱峰强度降低的原因及其1320cm-1和770cm-1两谱峰的由来,并对后面两个谱峰给予了归属。
短句来源
     The coefficient of each item in the spectrum is determined under the condition 1) the spectral peak is corresponding to a specified point where S(1)=P;
     文中绘出的各项系数可使频谱表达式满足:谱峰位于给定点S(1)=P; 谱面积m_o=1;
短句来源
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  光谱峰
     The amplified spontaneous emission in dye solutions excited with powerpul picosecond light pulses is studied in two respects:1. spectral peak shift and the emission width;
     用超短光脉冲激励染料溶液,进行超荧光的研究:1.超荧光光谱峰移动和光谱宽度;
短句来源
     Linear relationship between the values of ΔI(Δ=(I-I_0,) where I_0 is the intensity of the spectral peak without adding HSA) and values of concentration of HSA was obtained in the range of 0 to 1.3 mg·L~(-1) of HSA,with a detection limit of 32 μg·L~(-1).
     在362 nm波长下所测得共振散射光谱峰的强度值与HSA的浓度值在0~1.3 mg. L-1范围内呈线性关系,并求得其检出限为32μg.
短句来源
     According to the au- thors'STM topograph of topeurface of tunnel junction with CaF underlayer,the authors first applied the theory of Laks and Mills to interpret the above spectral peak.
     特别是利用对该结表面所拍得的STM照片,首次将Laks-Mills近似模型用于该光谱峰位的解释。
短句来源
     In addition,the spectral peak can be tuned over a wide range by changing the material refractive index in the filtering sub cavity of the device.
     此外,通过调节滤波子腔中的材料折射率可以在很宽的范围内调谐响应光谱峰
短句来源
     By means of ultrafast pulses laser spectral technique and picosecond time-correlated single -photon counting system, fluorescence spectrum,the characteristic of fluorescence lifetime and fluorescence peak intensity fluctuation dependent on time of cancer cells sample and normal cells sample were measured. It was observed that cancer cells sample had special spectral peak at near 645 nm.
     采用超短脉冲激光光谱技术和皮秒时间相关单光子计数系统,测量经血卟啉培养的活体癌细胞与正常细胞的荧光光谱、荧光寿命特性及荧光峰值强度随时间的变化,观测到:癌细胞样品在645nm处具有特征发射光谱峰;
短句来源
  “spectral peak”译为未确定词的双语例句
     After the mental fatigue experiment,the power spectral peak values of pulse signal were decreased significantly compared with those before experiment [(28.22±1.37),(50.56±1.13) dB,P < 0.01],and the corresponding frequencies were increased obviously [(0.930 7±0.064 4),(0.865 7±0.064 0) Hz,P < 0.05].
     精神疲劳实验后,脉搏信号的功率谱峰值显著低于实验前[(28.22±1.37),(50.56±1.13)dB,P<0.01]; 峰值频率明显升高[(0.9307±0.0644),(0.8657±0.0640)Hz,P<0.05]。
短句来源
     to suppress the electronic absorption spectral peak of at 450nm and, moreover, to speed up redox reaction between [Fe4S4(SPh)4]2 and methylene blue.
     使[Fe_4S_4(SPh)_4]~(2-)原子簇的电子吸收光谱特征吸收强度明显降低;
短句来源
     Based on measured significant wave height H, average period T and spectral peak frenquency ω0,the variational principle of JONSWAP spectrum is decided.
     本文提出根据实测的有效波高H、平均周期T和峰频率ω_0确定JONSWAP谱的变分原理。
短句来源
     For the diamond thin films EL device, which with single layer structure, the EL spectral peak is at 430nm,in the blue region.
     对单层结构的器件来说,其电致发光光谱峰值在430nm处,属蓝区发光;
短句来源
     3)ROI setting: select the section through basal ganglia and hippocampus, measure ADC values and spectral peak area of bilateral frontoparietal regions, basal ganglia and hippocampus.
     3) ROI选择:选择通过基底节和海马的层面,测定双侧额顶区、基底节区、海马区的ADC值和波谱峰面积。
短句来源
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  spectral peak
On the basis of their features, seismic events were divided into two groups one showing a monochromatic character with a dominant spectral peak at 9.4 Hz, the other having a wider spectrum with dominant peaks in the range between 7 and 14 Hz.
      
This can cause a center frequency shift of the spectral peak with time.
      
MT1 station exhibits a spectral peak at about 2 Hz which can be explained with oscillations of a little sedimentary basin.
      
This waste concentration showed periodic changes in its axial distance, with the spectral peak at about 160 m wave length.
      
One appears as a spectral peak around the 5-day period and another is around the 15-day period.
      
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The wetness data at 100 stations were carefully examined by means of spectrum analysis. A pronounced spectral peak in the 36-yr. was observed in the data for Shanghai and the adjacent region. The geographical distribution of relative spectral power for sea-level pressure at different grid points in Northern and Southern Hemispheres showed a stronger peak in 36-yr. at central Pacific Ocean. This 36-yr. peak for general circulation was found to be closely related with the wetness of China....

The wetness data at 100 stations were carefully examined by means of spectrum analysis. A pronounced spectral peak in the 36-yr. was observed in the data for Shanghai and the adjacent region. The geographical distribution of relative spectral power for sea-level pressure at different grid points in Northern and Southern Hemispheres showed a stronger peak in 36-yr. at central Pacific Ocean. This 36-yr. peak for general circulation was found to be closely related with the wetness of China. The South Oscillation's index were obtained from pressure differences between grid points 160°W, 10°N and 140°E, 20°S. A clearly 36-yr. oscillation was also revealed in the long-period variation of S.O. index. The mechanism of the 36-yr. oscillation was discussed.

本文分析了近五百年旱涝资料,发现我国东部存在36年左右的周期,长江下游地区尤其明显。进一步研究了近百年大气环流的多年变化,发现赤道中太平洋地区36年周期最突出,并且与旱涝的周期变化有密切关系。利用近期的海温资料及以前不同作者的研究结果,我们提出了一个旱涝36年周期变化机制的模式:当赤道中太平洋海面温度偏低时,相应赤道中太平洋海乎面气压偏高,澳洲附近气压偏低,对应南方涛动指数偏强,沃克环流强,哈得来环流东弱西强,北半球太平洋副热带高压东弱西强且西伸、位置偏南,我国长江下游地区偏涝;反之则偏旱。

Relative spectral distributions of several alkali-metal vapor lamps were measured by means of a fully automatic spectral measuring apparatus. The dependence of the relatively effective radiation effeciency of the lamps, seperations between spectral peaks formed after self-absorption of resonance lines and the FWHM of the red and blue spectral wings on input power of the lamps are studied.

测量了碱金属蒸气灯的相对光谱分布,观察了碱金属蒸气灯的相对有效辐射效率、共振线自吸收后的光谱峰值间隔、红蓝翼谱带半极大值全宽与输入灯内功率的关系。

Burg's maximum entropy spectral estimation method has defects of spectral peak shifting and line splitting, which are mainly due to the biased estimation p1 to the first reflection coefficient and the biased estimation to the expectation value of the time series with non-ergodicity implied in short sample records. Aiming to these two causes, the authors suggest two improved algorithms of Burg's method. The simulation computations show that the results are remarkablly good.

最大熵谱估计的Burg法存在着谱峰位移和谱线分裂的缺点,其主要原因在于短样本实现的非遍历性造成了第一阶反射系数估计值(?)_1有偏以及时间序列集平均的估计值有偏。本文针对这两点主要原因,阐明了两种比较简易的改进方法,模拟计算表明效果显著。

 
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