查询词典 degree of latitude

This thesis is divided into six parts. The first chapter is preface, the current status of research in the inverse problems for parabolic partial differential equations is reported; the second chapter is "regularization methods for numerical differentiation and their applications ", in this chapter we investigate many regularization methods from a viewpoint of regularization theory and algorithm, some applications in the inverse problems for parabolic partial differential equations are given; the third chapter is "spectral regularization methods". Based on Fourier analysis, within the framework of regularization theory, we apply the spectral methods to some ill-posed problems. Many numerical experiments are done in order to show the validity of the methods; the fourth chapter is devoted to wavelet dual least squares method and a revised wavelet method; in the fifth chapter,we combine finite difference method with method of lines and apply it to the backward heat conduction problem in time; in the sixth chapter "identification problems for unknown source ", the essence and the degree of two problems related to source identification are pointed out, at the same time, some numerical methods are reported.

本文分为六个部分，第一章前言简要分析了国内外抛物型偏微分方程反问题的研究现状；第二章数值微分的正则化及其应用从正则化理论和算法的角度出发，考察了许多正则化方法，还给出了数值微分在抛物型偏微分方程反问题的一些应用；第三章谱正则化方法是在Fourier分析的基础上，在一般正则化理论的框架下，给出了这种方法在各种不适定问题中的应用，数值实验表明谱方法是有效的；第四章研究了小波对偶最小二乘方法和改进的小波方法；第五章主要研究了有限差分方法结合线方法在时间反向热传导问题中的应用；第六章是未知源识别问题，主要指出了两类未知源问题的不适定程度和不适定本质，同时报告了一些数值方法。

By means of Floquet theory,Lyalpunov function, Hurwitz criterion, linearization, Lasalle invariable set principle,, characteristic line, coincidence degree, estimation of inequality ,numerical simulation and so on, we study two kinds of models with impulsive vaccination.

其中综合运用Floquet 原理、Lyapunov函数、 Hurwitz判据、线性化、 Lasalle不变集、数值模拟、射频映射、分支理论、不等式估计、重合度理论等方法和知识，系统地研究了两类实施脉冲疫苗策略的非线性模型。

Chinese nutgall with 25 mg/ml, 50 mg/ml, 100 mg/ml and 200 mg/ml effectively removed the smear layer, and the degree of the smear layer removal increased with the rise of the concentration.

大于6.25mg／mL的五倍子水提取物有去除玷污层的作用，随浓度增大，牙本质小管缩小并出现堵塞。

Rudy Silva has a degree in Physics and is a Natural Nutritionist.

鲁迪席尔瓦已经有一定程度的物理和自然是一个营养师。

It offers NYU's first online programs to earn a bachelor's degree.

它提供NYU的第一批在线获取学士学位的项目。

I was born and raised in Brooklyn, New York. In 2006 I received an EMBA degree from NYU.

我出生于纽约的布鲁克林并在那里长大。2006年我获得了纽约大学的EMBA学位。

Bachelor's degree students at NYU can borrow money from financial institutions to help pay for their studies.

在纽约大学攻读学士学位的学生可以向金融机构贷款用以支付学习费用。

She earned her master's degree from Oberlin in 1888 and began her career as a teacher.

泰瑞于1888年在这里取得了她的硕士学位，也开始了她的教职生涯。

The measured degree relations of coercivity and remanence coercivity of the oriented BaF particulate samples can be explained by the Fanning process of the model of oblate ellipsoid chain.

扁旋转椭球链的扇对称反磁化过程可以比较好地解释取向BaF磁粉样品矫顽力和剩磁矫顽力角度关系的实验结果。

Informal opinions differ in the degree of their obligatoriness.

也就是说，（1）英译本没有将其译成两个明确的概念，而是采用了常见的短语形式；（2）在英译本中，处在非正式意见这一交往领域不同层面上的分别是文化自然认定之事务的表达、个人生活经历和社会经验的表达，以及由文化工业所制造的显而易见的议论。

We got alerted a couple of times while we were down south that HETs were on the way to bring us back up north because things were going to go hot again, but it was just rumors.

南下的途中我们不只一次得到警告说重型装备运输车将拉着我们重新北上，因为局势正在变得重新紧张起来，但这只是谣传。

It's the one where they find the ghost in the salt mine.

这一集是演他们在盐矿找到鬼