查询词典 emission spectrum

The DWT power spectrum estimator for 3-dimensional samples has been studied in Section 3.3, in which we analyzed the Las Campanas redshift survey samples.

作为DWT功率谱的具体应用，在第三节对实际观测的LCRS样本作分析，其中考虑了各种观测效应的影响，结果显示DWT功率谱给出了LCRS样本所含宇宙信息的适切估计。

The DWT power spectrum estimator for 3-dimensional samples has been studied in Section 3.3, in which we analyzed the Las Campanas redshift survey samples.

因此一些和表象模有关的效应如：径向选择效应、红移畸变效应等，可以利用DWT模的特点来考虑。

A chiral phase transfer catalyst, N-benzyl quinine bromide, was synthesized from natural chiral compound. And 2,5-bimethyl-4-(3-nitrobenzene)-1,4-bihydrogenation pyridine-3--4-methyl formate (viz. nitrendipine) was synthesized by this chiral phase transfer catalysis, and characterized by elemental analysis, infrared spectrum,1H nuclear magnetic resornace, and X-ray single-crystal diffraction.Key words: ammonium; chiral phase transfer catalyser; crystal structure

通过对天然手性物质进行修饰合成手性相转移催化剂N-苄基溴化奎宁，并对目标分子2，5-二甲基-4-(3-硝基苯)-1，4-二氢吡啶-3-甲酸乙酯-5-甲酸甲酯进行不对称催化合成，并通过红外光谱和核磁共振氢谱对化合物进行了表征，用X射线单晶衍射法测定了该化合物的晶体结构。

For the aqueous luminol solution, three absorption bands with maximum. adsorption wavelength λ max 220.7、294 4 and 351.5nm respectively have been detected, with the exception of a little hyperchromic effect, the absorption spectrum contour of the solution cavitated by an ultrasound with a frequency of 1.45 MHz has been certificated to be unchanged.

luminol水溶液的吸收光谱有3个吸收带，它们的最大吸收波长分别是220.7nm、294.4nm和351.4nm，超声空化作用后主要呈弱增色效应，但其吸收光谱的基本形状无明显变化。luminol-NaOH水溶液经超声空化作用后也有较弱的增色效应和减色效应，但不论是否经历超声空化作用，其吸收光谱都与luminol水溶液的吸收光谱相似。

Another refinement of our ladder is the fact that we have observed the Cepheids in the near-infrared parts of the electromagnetic spectrum where these variable stars are better distance indicators than at optical wavelengths.

我们这些距离台阶的另一个改进是：我们已经观测了造父变星的近红外波谱，这些变星在红外电磁波段的量天尺性能比可见光波段更好。

Designers and coders are really just ends of the spectrum, and everybody has elements of both.

实际上，设计师和程序员是一个连续频谱的两端，每个人都含有两者的要素。

Comparing to the spectrum enhanced by colloids, the strength of enhancement increased two more orders.

与先前利用胶体奈米金属相较，此基板的增强效果已提升102以上。

Compared with orthogonal spread spectrum fingerprints embedding technology, the system will be increase of 40% for the probability of capturing colluders depending on the number of users.

该系统在高斯分布情况下，对一定的共谋攻击者，系统俘获其的概率比正交扩频指纹系统提高了约40%，从而增强了追踪非法用户的能力，进一步提高了指纹加密系统的鲁棒性。

With famous flow-field analytic software CFX we also simulated the flow's details in the homogenizers head, and analyzed it's infection to the homogenization process using the simulation results. We also established the dynamic model of the stator-rotor of shear homogenizer system, and analyzed important factors that affect the system's stability with the help of the poincarémaps, axes contrails, phase plane portraits, times-history and amplitude spectrum which were attained by Fortran language and Matlab program.

然后，本文运用商业通用流体动力学分析软件CFX对均质头内部的流场进行了仿真模拟，并与数学模型相结合，探讨了剪切式均质机内部的流场对均质效果的影响，得出提高转速是提高均质机效率的关键，但是转速的提高又直接关系到系统的稳定性，于是紧接着建立了剪切式均质机转子系统的动力学模型，经无量纲化和必要的简化后再运用Fortran语言和Matlab软件对该模型编写相应的程序，得到了庞卡莱图，轴心轨迹图，相图，波形图，频谱图等图谱。

Using this, the eager coteries of astronomers who have access to the instrument will be able to observe young, hot stars that glow mainly in the ultraviolet part of the spectrum.

急切的能使用哈勃望远镜的天文学家能用这个观察年轻的，炽热的星球，它们的发光谱主要在紫外线部分。

The two dozen translators have stuck to their guns in holding on to several useful Chinese terms, like jiaozi for boiled dumplings, tangyuan for glutinous riceballs, and shaomai for those money-bag steamed dumplings.

参与此项工作的二十多位翻译竭力保留了许多有用的中文词语，如将"饺子"、"汤圆"和"烧卖"分别音译成jiaozi、tangyuan和shaomai。

Due to the constant bickering between their two heads, Ogres exhibit less intelligence than even the lowly Peons.

由于两个头不停的斗嘴，这种食人魔的智力甚至连苦工赶不上，但无论如何，食人魔战