查询词典 dissertation

First,this dissertation presents a new method of cyclic spectra estimation which uses time aliasing method and sidelobe eliminated ssinc window which were presented by Smith in 1994 in it.

首先，本文将1994年Smith提出的时间重叠法和具有旁瓣抑制能力的ssinc窗应用于循环谱估计中，提出了TA循环谱估计方法。

In this regard, this dissertation focuses on the regioselectivity of radical chemistry and conducts theoretical studies on product-oriented radical cyclization reactions.

本论文从自由基反应的区域选择性着手，对导向有机合成的自由基环合反应进行理论研究。

In this dissertation, metal oxide supported nano gold catalysts were applied to catalyze selective oxidation of cyclohexane to cyclohexanone and cyclohexanol using oxygen.

本文尝试采用普通氧化物负载的纳米金催化剂用于以氧气为氧化剂的环己烷选择性氧化反应。

In this dissertation, eight novel bisoxazoline ligands L1-L8 containing 2,2-dimethyl cyclopropane units have been synthesized and evaluated in the asymmetric cyclopropanation and Diels-Alder reaction, moreover the influence of many factors on the enantioselectivity of the new ligands was studied in detail.

在本论文中，我们设计并合成了8个新型双噁唑啉手性配体L1～L8，并研究它们在环丙烷化反应与Diels-Alder反应中的对映选择性，以及影响配体不对称诱导性能的各种因素。

The Cyclotron SR was systematically studied by association of theoretical analysis, particle simulation and experiment in this dissertation.

目前回旋超辐射的研究还较少，相关的理论模型并不完善，其中的物理机制和工作特性还有许多有待研究的地方。

This dissertation combines with the theory of contemporary Strategy Management and Hotel Management under the background, and puts forward the developing strategy of The Cygnet Hotel Management Company.

本文正是在此背景下结合现代企业战略管理和酒店管理的有关理论，通过对小天鹅酒店管理公司面临的市场环境进行深入分析，提出小天鹅酒店管理公司今后的发展战略。

The one-dimensional wave model based on the D'Alembert formula and ELMFS is proposed in this dissertation.

所以达朗伯特格式在本文中被用来避免直接处理脉冲函数，并结合尤拉-拉格朗日基本解法发展出一维波动模型。

Therefore this dissertation concentrates in the investigation on the Q-V characteristics under non-standard lightning impulses mainly including damped oscillation ones by means of experiment and calculation.

为此，本文分别从试验和计算两个方面，开展对非标准雷电波，其中主要是衰减振荡波的电晕伏库特性研究。

In this dissertation, we discuss image data compression by wavelet transform.

本文主要研究了小波理论在图像压缩中的应用。

At the end of the dissertation, a conclusion is drawn through the research of system data compression algorithms.

在论文的最后，本文对系统的压缩算法结果进行了研究，并得到了一些有益的启发和结论。

According to the clear water experiment, aeration performance of the new equipment is good with high total oxygen transfer coefficient and oxygen utilization ratio.

曝气设备的动力效率在叶轮转速为120rpm～150rpm时取得最大值，此时氧利用率和充氧能力也具有较高值。

The environmental stability of that world - including its crushing pressures and icy darkness - means that some of its most famous inhabitants have survived for eons as evolutionary throwbacks, their bodies undergoing little change.

稳定的海底环境─包括能把人压扁的压力和冰冷的黑暗─意谓海底某些最知名的栖居生物已以演化返祖的样态活了万世，形体几无变化。