查询词典 parabolic curve

Based on the theoretical solutions developed herein, not only Q - s curve but also s - log curve obtained from field static load test of pile can be simulated.

通过与现有单桩沉降计算理论的对比和对实际单桩静力载荷试验结果的分析与比较，论证了本文理论解的合理性及应用价值。

Multiple log curve ; denoising ; wavelet analyses ; orthogonal analyses ; curve reconstruction

多测井曲线；去噪处理；小波分析；正交分析；曲线重构

Aiming at the process of reservoir prediction,when wave impedance is not effectively identified sandbody,this paper proposes an inversion method of effective rebuild acoustic curve to use well log curve to develop reservoir inversion.

针对储层预测研究过程中，当波阻抗不能有效识别砂体时，如何利用对储层有良好分辨能力的测井曲线开展储层反演研究工作，提出一种行之有效的重构声波曲线反演方法。

Based on the precessors′achievements, this thesis did a daring and beneficial exploration from geological model and log response of ordinary log curve, that is new research thought in the view of wavelet tranform skill, rock volume physical mathemal model and ordinary log neural network nonlinear inverse filter skill to improve log curve resolution in thin beds.

本文在借鉴前人研究成果的基础上，作了大胆有益的探索，针对裂缝性碳酸盐岩剖面的地质模型和测井响应特点，提出并建立了一套改善常规测井曲线纵向分辨率的新方法。

Reservoir productive capacity forecast is one of the important content of reservoir evaluation, horizontal well logging interpretation is mainly through the contrast corrected technique of horizontal well conventional log curve and pilot well conventional log curve, adding to the traversing relation between horizontal well track and formation.

储层产能预测是储层评价的重要指标之一。水平井测井解释主要通过常规测井曲线与导眼井常规测井曲线对比校正技术和水平井井眼轨迹与地层穿越关系进行的，尽管该方法能给开发工程师提供大量井眼轨迹与地层关系的信息，但却很难指出水平井钻遇储层的生产油气能力如何，这为油田开发工作带来了困难。

Digital signature ; proxy digital signature ; discrete logarithmic problems ; elliptic curve discrete logarithmic problems ; elliptic curve digital signature algorithm

数字签名；代理数字签名；离散对数；椭圆曲线离散对数；椭圆曲线数字签名

Turned perfect complete stress-strain curve in uniaxial compression test into Cauchy stress- logarithmic strain curve,so the tangential modulus can be acquired which is available for analyzing large deformation.

将材料常规单轴压缩全过程的应力-应变曲线转化为真实应力-真实应变的曲线，从而得到可用于大变形分析的切向弹性模量。

The maxima of low-temperature internal friction peaks plot a symmetrical peak-like curve at logarithmic frequency spectrum and the peak-like curve shifts toward high frequencies with the increase of heating rate, indicating that phase transition relaxation time decreases; the maxima of high-temperature internal friction peaks exhibit a linear relation to the reciprocal frequencies, and as the heating rate increases its slope rises, which implies that the heating rate drives the normal movement of phase interface further in low-frequency measurements.

低温内耗峰峰值与对数频率呈现峰形函数关系，随升温速率的增加，频率峰向高频方向移动，相变弛豫时间减小；高温内耗峰峰值与倒数频率成直线关系，随升温速率的增加，直线斜率变大，表明低频测量时升温速率对相界面法向运动的驱动作用更强。

The curve of concentration of chlorophyll-a is the same as the logistic curve.

叶绿素a 总量的生长曲线近似于逻辑斯谛生长曲线。

Immune Taboo Search algorithm was used to optimize the parameters of Logistic curve model and the optimized multi-index Logistic curve model for regional water resources sustainable utilization was simple, practical and easy to account.

优化好的Logistic模型适用于区域水资源可持续利用的多项指标的评价，形式简单，方便实用。

You can snipe the second and third union leaders from this position.

您可以鹬第二和第三工会领袖从这一立场出发。

Aiming at the currently shortage of XML streams quality detecting, this paper proposes a new forecasting method of XML streams quality by least squares support vector machines, which is used the method of XML keys' vector matrix as windows, and vector product wavelet transform to multilevel decompose and refactor the XML streams series, that can fulfill real-time checking demand of XML quality, and ensure constraint, consist- ency and integrality. For even more adapting net load, it proposes a control strategy by weight and adaptive adjustment to ensure XML streams quality.

针对当前XML数据流质量检测存在的不足，提出构建XML键的矢量矩阵作为窗口，利用矢量积小波变换多级分解与重构XML数据流，再结合最小二乘支持向量机对XML数据流质量进行预测的一种方法，满足XML数据流质量重构时实时检测的要求，保证XML数据的约束性、一致性与完整性；为了更好的适应网络负载，采取加权与自适应窗口调整等调度策略充分保证XML数据流的质量检测。