单轴的

It results from the fact that the biquadratic coupling fieldand uniaxial anisotropy of the ferromagnetic counteract each other, so the oscillationsare weakend and the curves are smoothened.

这是由于双二次耦合体现的单轴各向异性与铁磁层单轴各向异性具有相反的符号，二者互相抵消，因此使振荡减弱，曲线变的光滑。

Secondly, in our methods, the essential geometry of the image single axis geometry may be specified by six parameters and this may be estimated from one conic and one fundamental matrix (a total of 12 parameters) or may be minimally estimated from two conics (a total of 10 parameters).

本文证明了单轴旋转运动的不变量可以通过一个基本矩阵和一条二次曲线来确定，在这种情况下，由于基本矩阵的自由度为7，二次曲线的自由度为5，所需确定的参量个数仅为12，大大减少了不变量的计算量；本文同时证明单轴旋转运动的不变量可以通过最少两条二次曲线来确定，在这种情况下所需确定的参量个数仅为10，该方法是目前同类算法中参数最少的；本文提出了用多条二次曲线求解单轴旋转运动的不变量的最大似然估计算法，其所需确定的参量个数为6+2n，其中n为二次曲线的个数，该公式更深刻地反映了二次曲线与不变量的参数关系。

New ideas and methods in the paper:1 The formulas on perforated casing collapse strength were deducted, which offereda convenient method to analyze the relationship between casing collapse strength and perforation;2 The stress and displacement formulas on the system of casing, cement anddeformation under the non-uniform load were deducted, which offered the theoretical found for designing optimally casing string;3 The relationship between structure in-situ field of whole oil field and casing failurewere studied, which offered the scheme for the prediction of casing failure. The process of study in the paper:1 For simulating the relationship between the structure in-situ field and the casingfailure in the oil-deformation, the tests of the uniaxial tensile, compress, tnaxial compress and dilatability were made on the samples of the drill cores from deformation of casing failure position in Yuejing II oil field.

本文的主要创新： 1推导出了射孔套管抗挤强度的解析式，为分析射孔与套管强度的变化关系提供了简便的方法； 2推导出了非均匀地层载荷作用下套管、水泥环和地层组合体的应力和位移解析式，并非均匀作用下套管柱优化设计提供了理论依据； 3研究整个油田区块构造应力场与套管损坏关系，为预测套管损坏提供了可行方案；本文的研究过程如下： 1为模拟构造应力场与油层段套管损坏关系，做了大量的岩石单轴抗拉、单轴抗压、三轴试验以及岩石遇水膨胀试验，获得了研究区块岩石的弹性模量、泊松比、内聚力、内摩擦角以及岩石的线膨胀系数，这此数据为本文研究油层段套管损坏机理研究的理论分析和有限元法提供了实验数据。

Based on MATLAB,this paper explores extraordinary ray 's locus and its features in crystal when uniaxial crystal is turning.

基于MATLAB探讨单轴晶体转动时非常光在晶体内的轨迹及其特征，分析单轴晶体转动一周时非常光的轨迹在晶体内转两圈的条件，利用MATLAB给出这些条件的数值解。

This measurement system not only can measure superelevation of railway, but also curvature of curves, from which the unbalanced centrifugal acceleration can be computed to provide the instruction information for tilting control.

基于单轴陀螺平台的摆式列车线路信息检测系统，利用安装在头车车体地板上的单轴陀螺平台和车体与悬挂系统之间的两个位移传感器建立测量的水平基准线，不仅可测量出列车通过曲线时线路的超高值，而且可测量出曲线曲率值。

The MR protocol involved transverse, coronal, and sagittal noncontiguous T2-weighted single-shot fast spin-echo sequences; transverse fat-suppressed T2-weighted fast SE sequences; transverse T1-weighted gradient-recalled-echo sequences; and transverse and coronal short inversion time inversion-recovery sequences performed through the lower abdomen and pelvis.

MR计划包括于下腹部与骨盆位置执行的，横轴的、冠状的、矢壮轴的非连续T2加权单射快速环绕音波程序；横轴压抑脂肪讯号的T2加权快速SE程序；横轴T1加权梯度回复音波程序；以及横轴、冠状短程反向时间反向回复程序；由2位放射科医师评估MR结果，以及与外科及病理发现、临床追踪数据比较。

By mean tests of microstructure test under uniaxial compression, the image sequences of red sandstones' microstructure were continuously gathered and the quantitative parameters were extracted; then the microstructural evolvement of red sandstones under uniaxal compression has been analyzed.

通过单轴压缩微细结构试验，采集红砂岩的微细结构图像系列，提取微细结构量化参数，对不同风化程度红砂岩在单轴压缩条件下微细结构的演化规律进行分析。

CMA offers two separate kits (on for DA's or one for Rotaries). Given that glass is often much harder then paint, I elected to select a rotary kit.

而CMA则提供两种不同的产品组(一种给DA机使用，一种给单轴抛光机用)，因为玻璃通常比烤漆来的硬许多，我就选择单轴抛光机用的产品组。

Through the test of lightweight infilled material in multi-ribbed wall structure,a axial compression constitutive model of lightweight infilled material at the(6±2)% water content is proposed.

通过对密肋复合墙体结构常用的轻质填充材料在含水率为(6±2)%时的单轴受压试验，确定了密肋复合墙体结构的轻质填充材料单轴受压本构模型，进而基于统一强度理论，结合抗拉强度及抗剪强度试验，确定了密肋复合墙体结构填充材料的多轴破坏准则，并建立了密肋复合墙体填充材料的弹塑性本构模型。

On the basis of above-mentioned theory, Lime rock specimens indifferent scale series from Hebei Jingxing is tested under uniaxial compression.Besides, through numerical simulation and test of coal specimens from Datongand Luan scale effects rule is found out. And that, physical and mechanicalcharacteristics of specimens are studied under uniaxial compression.

基于上述理论认识，通过对室内不同尺度系列的井陉石灰岩单轴压缩试验和数值模拟，以及对大同、潞安的有关煤样试验，得出了尺度效应相关规律，并对岩样在单轴压缩过程中相应的物理力学现象进行了分析研究。

The split between the two groups can hardly be papered over.

这两个团体间的分歧难以掩饰。

This approach not only encourages a greater number of responses, but minimizes the likelihood of stale groupthink.

这种做法不仅鼓励了更多的反应，而且减少跟风的可能性。