查询词典 asymptotic curve

A mathematical model of the vibration at the upper segment of a pile when there exist severe defects is put forward based on theoretical analysis, and the curve characteristics of its low strain test is described according to engineering practice under condition of transient shock.

文摘：从理论上给出了当基桩存在浅部严重缺陷时，在受到瞬态激振力的情形下，桩体上段振动的数学模型，并结合工程实践，描述了其低应变实测曲线的特征。

Also, the theoretical curve in Operational Mode Two is compared with the empirical capacity curves obtained through airport historic data to verify the capacity model's effectiveness and accuracy.

根据首都机场在2003年春运期间的运行历史数据，获得了双跑道系统的实际运行容量曲线，并将其与模式二之下的理论容量曲线进行了对比，验证了所建立的容量模型的正确性与准确性。

A theoretical formula for wave-pattern resistance, i. e., a statistical mathematical model, is developed using the linear wave-making theory. The effect of principal dimensions, vertical centers of transverse sections and the prismatic curve on wave-pattern resistance is studied.

本文用线性兴波理论建立了波形阻力的理论公式，从理论上考虑了主尺度和系数、横剖面形心高及棱形曲线对波阻的影响；根据17艘肥大船模65种状态的实测波形资料，用统计分析法计算得出一组随傅氏数而异的波形阻力预估公式；为使数学模型付诸电算，定义了属统计学范畴的"广义相关系数"。

Finally, the curve of between temperature and thermal conductivity at low temperature has been obtained.

根据试验，讨论了低温热导率的影响因素如温度、密度、吸水率等。

Based on an experimental apparatus for paraffin thermal expansion characteristics with water,the influences of cooling means and spring pressure on thermal hysteresis phenomenon in relationship curve of displacement vs.temperature during increasing and decreasing temperature cycles of paraffin have been investigated by experiments.

在水浴加热石蜡热膨胀性能试验装置的基础上，通过实验研究了不同冷却方式、弹簧压力和不同温度测量点下石蜡升温和降温过程中位移-温度关系曲线的"热滞后"的现象，分析了"热滞后"的实际原因。

In this paper,a hardware circuit is designed to test the property curve of thermistor.

摘 要：开发了测量热敏电阻温度特性曲线的硬件电路。

Therefore, the thermoluminescence curve characteristics of the fish otoliths are quite sensitive to water quality and water environment, and this can be regarded as an important indicator to the contamination degree of the water.

研究结果表明，鱼耳石的热释光曲线特征对鱼所生长的水体水质和水环境相当敏感，通过更深入研究，可能成为水质和水环境的重要标型。

In the thermoluminescence curve diagram of the materials have two obvious peaks, appearing respectively at 123Kand 223K neighborhoods.

在S：Cu，Cl材料的热释光曲线图中有两个明显的峰，分别出现在123K和223K附近。

In addition, the applications of the curve auto-regression in the field of the multispectral thermometry were improved in many aspects.

除此之外，还从多个方面完善了逐步回归法在多光谱辐射测温领域中的应用。

This article analyses the application conditions of freezing method, current research status and the problems in this field. It points that it's necessary to study deep freezing temperature field deeply and discusses the factors which influence the freezing wall such as soil's nature, moisture content, geological conditions, etc. It introduces the theory, process of freezing method, the distribution of temperature field of freezing method and key thermotics parameters influencing freezing temperature field. It simplifies the deep freezing temperature field model. Through ANSYS, this article founds the deep freezing temperature field model, and simulates the field on vary heat conductivities. It analyzes the results of ANSYS simulation, gains the theoretical value of thermometric holes which is needed by back-analysis. Using the simulation temperature and actual value, it gets the equivalent heat conductivity. Then it solves the deep freezing temperature field by the equivalent value, simulates the freezing wall development process and temperature change curve. Against the actual project, the results are favorable.

文中分析了冻结法施工的应用条件，目前对冻结法施工的研究现状和在此领域内存在的问题，指出了对深土冻结温度场进行深入研究分析的必要性；对影响冻结壁形成发展的因素如冻土土性、含水量、地质条件及施工方法等因素进行了论述；对冻结法施工的原理、过程，冻结法温度场的分布情况，影响冻结温度场分布的主要热学参数进行了综述；对深土冻土温度场模型进行了合理的简化，通过ANSYS大型有限元分析软件，建立了深土冻结温度场的模型，对不同导热系数情况下的深土冻结温度场进行了模拟；对ANSYS的模拟结果进行了定性的分析，通过对ANSYS结果的后处理取得了反分析时需要用到的测温孔理论温度值；经过对测温孔模拟温度值和实测温度值的分析，得到了冻结温度场的等效导热系数；使用等效导热系数对深土冻结温度场进行了求解，模拟了冻结壁发展情况和温度场中的温度变化曲线，用所得结果对比工程实际情况，取得了较好的效果。

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。