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Quinclorac and allyl alcohol as raw materials, 3, 7-dichloro-8-quinolinoxylic acid allyl ester was obtained when catalyst is oil of vitriol or super solid acid SO〓/TiO〓. Using both catalysts, organic synthesis technology process was made respectively, and the ester was analyzed and characterized by IR spectrum and NMR spectrum Through experiment, both preparing conditions were optimized and discussed respectively.

以TiO〓为载体负载SO〓制备出固体超强酸催化剂，确定了SO〓/TiO〓催化剂制备的技术路线，以丙酸正丁酯为探针实验，考察了新型固体酸催化剂SO〓/TiO〓的催化活性及制备条件对催化活性的影响，对影响其催化效果的工艺条件进行了优化，并探讨了影响的规律性。

Creative research has been carried in the technologies of temporal pulse shaping, spatial intensity shaping, angular spectrum dispersion, and wave front control, which cover four parameters of time, amplitude, spectrum and phase that describe the characteristics of a laser beam.

以表征激光束特性的时间、振幅、光谱、位相等四个信息参量为对象，创新性地研究了脉沖时域整形技术、光强空间整形技术、光谱角色散技术和波前控制技术。

With the obtained model of the power spectrum, we have theoretically analyzed the contribution of all the amplitude noise, timing jitter and pulse width jitter to the total noise power spectrum. The simulated results show that while the product of pulse width and angular frequency is larger than 1, the pulse width jitter will contribute an amount of noise to the total noise power.

利用得到的模型，理论分析了激光输出光脉冲各个噪声项对总噪声功率谱的贡献情况，并数值模拟了输出脉冲功率谱，结果表明在脉冲宽度角频率积大于1的情况下，脉冲宽度抖动对总噪声功率谱有很大的贡献。

The evolution of the spectrum shows that spectrum splitting and spectral shift occur during the propagation in anomalously dispersive media.

研究结果表明，部分相干GSM光束在负色散介质中传输时会出现光谱分裂和频移现象。

Weld pool was illuminated with the radiation of continuous spectrum in a suitable window of arc light spectrum.

焊接过程的信息传感、模型化和反馈控制是保证焊接质量的三方面关键技术。

In this paper, after taking over coupling effect between electronic spin and orbital angular momentum, to revise the formula of electronic angular momentum in Bohr's theory, and electronic speed formula is obtained in a single-electron system, and to correct the energy level formula of atomic orbit in Schr? dinger's method by relativistic effect, the theoretical improving formula is built for spectrum fine splitting calculation, the calculated values are in good agreement with experimental ones, and reflect changing law of spectrum fine splitting values.

本文在考虑了电子的自旋角动量与轨道角动量的耦合作用后，通过对Bohr理论中的电子运动角动量的修改，推导出单电子体系的电子速度公式，结合对Schrdinger的原子轨道能级表达式相对论效应修正，从而得出本文的氢及类氢离子光谱精细结构值的理论计算公式，应用此改进公式，所得的计算值与实验观测值符合得很好，计算结果也反映了氢及类氢离子光谱精细结构数据变化的规律性。

The "spectrum display" is a graph of the distribution of audio energy across the frequency spectrum.

"频谱显示"是反映被测音的在整个频段的能量分布的曲线图表。

By using these methods, the full life 2-dimension design spectrum and the 8-grade procedure spectrum test of a output axle in the gear box on a vehicle is established.

用该方法建立了某型车辆传动箱输出轴的全寿命二维设计谱和等效八级程序谱，具有实用价值。

In chapter 1, the relations between spectrum displacement problem and controllability, observabiity for linear systems over a commutative Banach algebra have been discussed, the open problem about spectrum displacement posed by Kaashoek have been solved, and the if and only if conditions for stability, stabiizabit~ detectability have been obtained.

第一章，讨论了交换Banach代数上线性系统的谱配置问题与可控性、可观性的关系，解决了Kaashoek等提出的关于谱配置的公开问题，给出并证明了判定其稳定性、可稳定性、可检测性的充要条件。

M spectrum band can be main spectrum band for detection for plume of cruise missile.

本文的结果可为探测巡航导弹及空间相机的谱带选择提供依据。

He paid $5,000 for this cupcake.

他我这个纸杯蛋糕花了5000美元。

I mean, if you want to, that is

我的意思是，如果你们想吃的话。