判别分析

Also, there is no formula can be used to calculate errors of these parameters.Based on above reasons, the purposes of the research are to build a reliable geochronological framework of Paleozoic granitoid in study area, to distinguish their genetic types and tectonic settings, and to analyses their orogenic response; to derive a set of formulas for calculating errors of the paramers mentioned above; to ascertain if North Qaidam belongs to North China Block or Yangtze Block.

基于上述存在的问题，本项研究的目的是：建立研究区古生代花岗岩类精确的年代学格架，判别其成因类型和构造环境，分析其造山响应：推演出一套适用于Sr、Nd同位素初始比值和Nd同位素模式年龄等重要示踪参数误差计算的公式；确定柴北缘地区大地构造属性(华北板块还是扬子板块？)。

Thirdly, after analyzing and discussing laser supported combustion wave and laser supported detonation wave , LSCW and LSDW models are built according to the hydrodynamical equations and the plasma state equation, and some formulae of the pressure behind the shock wave, the propagating speed are given, and the differences between the LSDW and LSCW and their judging methods are pointed out emphatically.

其三，在分析和讨论激光支持燃烧波和爆轰波的基础上，由流体动力学方程组和等离子体状态方程建立了LSCW和LSDW模型，得到了波后压力、传播速度等参量公式，并着重指出了LSDW和LSCW之间的区别和判别方法。

In order to overcome the defect of traditional methods and to find a new simply and effective time-domain method to eliminate the influence of boundary reflection. The main contents of studies and achievements are as follows: The liquefiable saturated sand dynamic character researches are conducted by means of the resonant column test and the dynamic tri-axial test; The undrain dynamic relationship between stress and strain, the damping ratio, saturated sand liquefaction mechanism, laboratory liquefaction standard, the effective factors of liquefaction are considered in laboratory. Liquefaction strength parameters used in element numerical simulation are obtained.

为克服传统方法存在的问题，寻求一种简单有效、能消除截断边界反射影响的时域有限元方法，本文主要开展了如下研究工作：对工程场地土体进行了标准贯入、静力触探、剪切波速等现场原位试验、室内动三轴试验以及共振柱试验，针对研究区域内可液化的饱和土进行了动力特性试验研究，分析了饱和土体的不排水动应力～应变关系和阻尼特性；对研究区域内的饱和砂土的液化机理，室内试验液化判别标准及影响饱和砂土液化的诸多因素进行了研究，得出了工程场地土体的抗液化强度指标等有限元模拟所需参数。

Regarding asphaltenes, the oxidative degradation was carried out in this work, including species of n-C〓 asphaltenes, crude oils and oilsands. The oxidation reagents include NaIO〓/NaH〓PO4 and 30%H〓O〓/CH〓COOH.

实验结果表明在沥青质的红外分析中，吸收因子Z可以较好排除成熟度差别大的影响，能应用于母质干酪根类型的判别。

Instead of both approaches, neurogram is used as a main analytical tool in this paper for identifying musical chords.

相对於这两者，本文提出使用神经图来做为判别音乐和弦的主要分析工具。

The influence of the excursion of the mass center of the torsional vibrating system of the three-string pendulum on the measurement of the moment of inertia is analyzed. A criterion for the mass center of the torsional vibrating system to be in alignment with the central axis of the three-string pendulum and a practical method to measure the moment of inertia of a body about a noncentral axis of mass using the three-string pendulum are proposed.

分析了三线摆扭振系统质心偏移对转动惯量测试的影响，给出了扭振系统质心与三线摆中心轴对齐的判别准则和用三线摆测定物体对非质心轴转动惯量的工程实用方法。

The results showed that the 16S rDNA copies of Bacteroides spp. decreased in rotavirus-infected children by 2 orders of magnitudes. 665 clones in Group H and 284 clones in Group R were sequenced and 34 OTUs were obtained according to 98% sequence homology. Partial least squares discriminant analysis of the clone library profiling data revealed significant structural shifts of gut microbiota.

利用偏最小二乘判别法(Partial least squares discriminant analysis，PLS-DA)对这34个OTU进行分析，结果表明轮状病毒感染导致肠道内拟杆菌组成结构发生了变化，通过拟杆菌的组成可以将健康个体与轮状病毒感染个体分开，而对于区分两组个体起关键作用的OTU分别与Bacteroides vulgatus ，Bacteroides stercoris和Bacteroides fragilis有很高的同源性。

In order to evaluate on situation of industrial overcompetition, predecessor applied cluster analysis method and descriptive criteria . These methods cannot offer better result .

判别一个产业是否处于过度竞争状况，应用聚类分析法和描述性的判断标准，难以得到较好的效果。

Firstly to make the finger printing analysis of 12 different habitat medical material of pericarpium thichosanthis , distinguish the fit and unfit of quality of the drug fairly after comparision and induction.

首次应用紫外谱线组法对12个不同产地瓜蒌皮药材进行了指纹图谱分析，通过比较和归纳可以很好地判别药材的质量优劣。

We can draw conclusions from the results that in this model we can clearly observe the forming and ending process of pluglike flow and wavelike flow from their 4 -scale wavelet transform charts, and then get smooth oscillograms and detailed oscillograms, it can effectively identify flow regimes accordingly.

小波变换具有可对信号进行时频局部分析、信号局部特征提取和时变滤波等特点。本文通过对信号在不同尺度提取特征值，对气液两相流流型进行判别，从而建立了有效的参数检测软测量模型。

And Pharaoh spoke to Joseph, saying, Your father and your brothers have come to you.

47：5 法老对约瑟说，你父亲和你弟兄们到你这里来了。

Additionally, the approximate flattening of surface strip using lines linking midpoints on perpendicular lines between geodesic curves and the unconditional extreme value method are discussed.

提出了用测地线方程、曲面上两点间短程线来计算膜结构曲面测地线的方法，同时，采用测地线间垂线的中点连线和用无约束极值法进行空间条状曲面近似展开的分析。