回归系数

One approach, from mathematical point of view, is to translate the test into comparson of the constant a and proportion b of linear regression by using F test .

数学上该问题转化为对回归直线的常数 a和比例系数 b两组随机样本的 F检验。

Based on the study of spectrum, the components and technology requirement of time-resolved fluorometer were presented And a concrete method to actualize the system of pulsed Xenon lamp and the assemblage of filter setting was developed Sound clinical evaluation project was designed At last, clinical evaluation of the time-resolved fluorometer was conducted.

在光谱研究的基础上，讨论了时间分辨荧光免疫分析测试仪的各个组成部分及其技术要求，提出了脉冲氙灯和聚光滤光系统的具体实现方法，制定了合理的临床评价方案，并对制成的测试仪样机进行了临床应用性能实验。将我们研制的时间分辨荧光免疫分析仪与国外先进同类型仪器进行一系列对比测试实验后，经相关回归分析所得出的相关系数都在99.5％以上，显著性检验小于0.01。

In the base of population and quantity of house-completed data of Xi'an, the paper builds an Auto-regressive Distributed Lag Model of population Geordie coefficient and quantity of house-completed, and analyzes the relationship between the two, which find that house construction is one cause of population suburbanization, but contrarily it's not.

本文以西安市人口和住宅竣工量为基础数据，建立人口基尼系数和住宅竣工量之间的自回归分布滞后模型，并对二者的关系进行了分析，发现住宅建设是西安市人口郊区化的动力之一，反之则不然。

The thesis made a study on the construction of the road transportation in Inner Mongolia. Through analyzing the social economys development, the present of synthesis transportation and the infrastructure, the equipment of goods traffic and the present situation of the operation and the management, the problems between road transportation and social economic development in the structure in Inner Mongolia were pointed out. Then the methods of regression forecast, flexible coefficient, and straight line tendency forecast etc were used to estimate the quantities of the goods and Freight Ton-kilometers. According to the future demands of goods volume of road transported and the development of freight transportation turnover quantity in Inner Mongolia and the existence question, the adjustment plan of the road goods traffic station yard layout, network structure transports strength structure and service system have been proposed, and then the synthesis appraisal of the plan has been carried on, the Inner Mongolia road goods traffic structure adjustment safeguard measure was proposed.

本论文以内蒙古自治区公路货物运输的结构性为研究对象，通过分析社会经济发展、综合运输现状及基础设施、货物运输装备、运营与管理现状等，指出了目前内蒙古自治区公路货物运输与社会经济发展、综合运输发展在结构方面存在的问题：运用相关线性回归分析、弹性系数法、直线趋势预测等方法，对内蒙古自治区公路货物运输未来的货运量和货运周转量进行了预测；根据未来内蒙古自治区公路货运量和货运周转量的发展需求与存在的问题，提出了公路货物运输路网结构、站场布局、运力结构、服务体系等方面的调整方案，并对方案进行了综合评价；提出了内蒙古自治区公路货物运输结构调整的保障措施。

A group of coefficients needed by the phenomenological constitutive model of 7075 aluminum and the activation energy of hot deformation are calculated by the method of multiple linear regression. The phenomenological constitutive model which can accurately describe the relationship between flow stress and temperature, strain rate and strain is achieved, and it offers the basic model for plastic forming simulation.

应用多元线性回归方法分析计算了7075合金唯象本构模型所需的一组系数及热变形的激活能，获得了能够较精确表示7075合金材料的流动应力与温度、应变速率和应变之间关系的唯象本构模型，为塑性成形模拟提供了所需的基本模型。

According to practical status, the self-adaptation of model parameter was proposed based on the on-line measured data. Group classification and coefficients regression of air/water cooling were studied. The application results show that the method can meet the locale need.

根据实际工艺状况，实时采集现场数据对层冷模型中的参数进行自适应调整，并就组别分类、空冷/水冷系数的回归分析进行了研究。

Keywords : AFSA;neural network;coupling regress model of projection pursuit;projection direction;threshold;Hermite polynomial

应用神经网络的投影寻踪耦合回归模型存在优化问题，学习过程中运用人工鱼群算法进行优化，进而获得最佳的投影方向、阈值和正交Hermite多项式系数。

Indices~ mP 0 and 1 were fitted, respectively, with the heat of formation,ionic hydration energy, lattice energy ,internuclear distance bond lengthof 20 kinds of alkali halides; with the lattice energy of 20 kinds of alkali-earth metal halides,with the ionic hydration heat of 51 kinds of metals, and with the ionic standard heat of formation of 80 kinds of i.

用mP的0和1阶指数分别与20种碱金属卤化物的生成焓ΔfH m、离子水化能ΔhG m、晶格能U1、气态碱金属卤化物核间距R0，20种碱土金属卤化物的晶格能U2，51种金属离子水合焓ΔhH m关联，拟合的回归方程的相关系数为m和80种离子标准生成焓ΔfH 0.9753(0.9834)、0.9761(0.9816)、0.9964(0.9986)、0.9967(0.9967)、0.9789(0.9890)、0.9901和0.9805，满足优级或良级标准。

The reference crop evapotranspiration(ET0) in Guanzhong region was calculated with the Penman-Monteith equation. The change characteristics of meteorological factors and ET0 over year were analyzed. The regressing relation between ET0 and geography factors was established. Space distribution of ET0 based digital elevation model was obtained. The water consumption model of main cropes was established using the crop cofficient method. The irrigation water requirement of main crop and it's space distribution based DEM under the different precipitation probability was obtained, which advanced the calculation precision of ET0 from spot scal to regional scal. The concept of water consumption under the irrigational scal was proposed. The water consumption model of different water user and model of groundwater balance based on the water consumption of Baojixia irrigation district was established. Which can refects the relation between water utilization, water consumption and change amount of groundwater resouces.

深入分析了关中地区气象要素的变化趋势，用Penman-Montainth 公式计算了参考作物蒸发蒸腾量（ET0），建立了ET0与地理要素的多元回归关系，获得了基于数字高程模型DEM的关中地区ET0的空间分布图；用作物系数法建立了关中主要作物生育期耗水模型，获得了主要作物在不同降雨条件下的灌溉需水，以及基于DEM的主要作物灌溉需水空间分布图，提高了作物蒸发蒸腾量由点到面尺度转换过程中的估算精度；界定了灌区尺度的耗水量的概念，包括用水耗水和非用水耗水，建立了灌区耗水量计算模型及基于耗水量变化的浅层地下水均衡模型，能较好地反映灌区引水量、耗水量及地下水蓄变量之间的内在关系。

The correlative coefficients of linear regression function for isochronous stress-strain curve are all higher than 0.92, and the ratio of long-term strength to instantaneous strength reaches 94.39%, which indicate that the whole creep of fine sandstone specimen is weak.

应力－应变等时曲线线性回归函数的相关系数均高于0.92，长期强度与瞬时强度之比达94.39%，证明细砂岩试样的整体蠕变特性不强。

Breath, muscle contraction of the buttocks; arch body, as far as possible to hold his head, right leg straight towards the ceiling (peg-leg knee in order to avoid muscle tension).

呼气，收缩臀部肌肉；拱起身体，尽量抬起头来，右腿伸直朝向天花板（膝微屈，以避免肌肉紧张）。

The cost of moving grain food products was unchanged from May, but year over year are up 8%.

粮食产品的运输费用与5月份相比没有变化，但却比去年同期高8％。