相关曲线

This paper studies on the ground settlement due to the deformation of the supporting structure. The normal distribution and parabola function are used to fit the curve of ground settlement and the estimating formula is deduced gradually.

本文主要对由于支护结构变位而引起的地表沉降进行了相关研究，利用正态分布及抛物线函数拟合了地表沉降曲线，并推导出沉降的估算公式。

It was pointed that there were some differences between domestic PVC resin and import products in plasticization function .

介绍了运用附带数据处理机的流变仪PL2000-6分析通用PVC树脂的流变行为，通过"相关程序"研究了国内外同牌号PVC树脂的熔融曲线，发现国产PVC树脂和进口产品在塑化性能方面存在着一定的差距。

The ration of Pd to P is defined as the stressing uniformity coefficient of one steel line. Through com prehensive analysis of test data, the variation of P(reading of preaure metre on tensile jack)with the uniformity coefficient can be deseribed by thefunctional r...

经对试验数据进行整理、分类组合及综合分析，找出了锚索的张拉力P（张拉千斤顶上压力表读值）与均匀性系数的＝A·PB函数关系，再进行回归分析，从显著相关的回归曲线上，可直观地得出单根钢绞线在锚索张拉锚固时各种工况下不同位置上受力的均匀性。

Therefore,a series studies of ice-pier vibration are performed from different aspects in this paper.The main work of this his thesis is summarized as follows:(1) Ice response spectra is proposed based on the idea of a seismic response spectra analysis of str .. uctures.Firstly,ice response spectra on the basis of power spectra density function is established;Secondly,based on the assumption of quadratic parabolic interpolation method,the nonlinear interpolation analysis method of ice response spectra is studied from both theoretical and practical points of view,and the successive computation formulas including ice displacement,velocity and acceleration response spectrum are deduced by Duhamel integral.Furthermore,to analyze the effectivity and applicability of the method, the real temporal curves of ice pressure are used to be studied.The results show that the presented method is more convenient and accurate to study the structural response induced by ice force,also it can be effectively applied in the design of ice resistance.

鉴于此，本文针对冰激桥墩结构振动问题从不同方面展开了一系列与之相关的研究，主要研究内容如下：(1)根据结构抗震反应分析思想提出了冰振反应谱，首先建立了基于功率谱密度函数的冰振反应谱；其次借鉴地震反应谱内插法的思想从理论和实际观点出发，假定在等距离微小时间间隔内冰荷载按二次抛物线规律变化，由Duhamel积分推导出冰振位移、速度以及加速度反应谱的一系列连锁公式，建立了基于非线性内插法的冰振反应谱，并利用实际冰压力时程曲线进行了冰振反应谱数值分析，为以后冰激结构振动的研究提供一种方便、简捷、精确的分析方法，也能够将其有效地应用到结构的抗冰计算中。

The established models in which annual precipitation was incorporated as the principal variable indicate a very closely correlation between forest productivity and its corresponding climatic factors,allowing to simulate distribution pattern of actual forest productivity effectiv...

结果表明：在所构建的模型中，除海拔高度与净生产力的相关模型外，其它模型均有较高的实用价值，模型的拟合曲线变化，基本反映了中国森林现实生产力的地理分布格局；中国森林生产力的分布格局主要取决于气候环境中的水热条件，水分条件是决定中国大部分地区森林生产力水平和地理分布格局的主导因素；根据7个GCMs大气环流模型预测合成的2030年的气候情景，研究气候变化对中国森林生产力影响的结果是：气候变化并没有改变中国森林第一性生产力的地理分布格局，即从东南向西北森林生产力递减趋势不变，但不同地域的森林生产力有不同程度的增加。

Then the forging blade body is formed by fitting the data of forging blade to spline and B-surface, calling the rabbet and boss, generating the draft angle. Then the related parameter is calculated.

将锻件型面数据拟合成样条曲线、样条曲面，调入榫头和凸台，作出模锻斜度，生成叶片锻件实体，并计算了锻件的相关参数。

Firstly, the mapping of high level programming language to hardware description language is described, some principles of the conversion of algorithm to state machine are also proposed; Secondly, the basic raster graphics algorithms for drawing 2D primitives are introduced, including self-adaptive algorithm of singl...

首先讨论了高级语言描述到硬件描述语言的映射，提出了算法到算法状态机抽象的规律；然后，介绍了现有的基本图形生成算法，包括直线的自适应算法、三角形边相关扫描算法，宽直线线刷子算法及改进的圆形、椭圆的生成算法，同时讨论了加速算法的研究现状；接下来具体讨论了基本图形的硬件实现，给出了各算法的状态机流程图、接口定义和实现框架，并且从理论角度给出了二次曲线加速算法的证明；最后采用EDA工具对VHDL程序进行仿真、综合并实现。

Furthermore, the analysis of X- ray diffraction diagram indicated that cadmium ion was transformed into cadmium sulfides by H strain. Also, we found that the removal for cadmium was dependent on the growth stationary phase of H stain through determining the removal rate for cadmium, the growing curve of cell and the activity of cysteine desulfhydrase.

通过X射线衍射光谱分析，H菌株对镉离子的转化产物为硫化镉，通过测定镉的去除与细菌生长曲线及半胱氨酸脱巯基酶的活性，表明镉的去除与菌体的生长稳定期相关。

The curve regression equation obtained by computer has big correlation coefficient and small calculation error.

用计算机拟合获得的曲线回归方程相关系数大，计算误差小。

It is successful to obtain the S-N curve by linear regression from the relative coefficient of low temperature fatigue experimental data. Different safety fatigue life can be estimated according to different safety probability.

从低温疲劳实验的相关系数可以看出，用线性拟合来回归中值S-N曲线是成功的，而且根据不同的安全概率，可以计算出不同的安全疲劳寿命。

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％。