Time-varying model of railway tangent track spatial vibration

Based on monitoring data, the rationality of time-varying model based on multiple factors is testified.

利用实测资料验证所建立的多因素时变分析模型的合理性；

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A Nonlinear Time-Varying Model for Urban Traffic Volume Forecasting

城市远景交通量推算的一种变参数非线性模型

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Study on Safety Reliability Time-varying Model of Gravity Dam

混凝土重力坝安全可靠性时变模型研究

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The Time-Varying Model Parameter Estimation and Its Application to Low Back Pain Evaluation

表面肌电信号的时变AR模型参数估计及其在下腰痛评估中的应用研究

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Investigation of Time-Varying Model Reference Adaptive Control for a Kind of Missile

导弹时变模型参考自适应控制研究

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By employing FDTD method and simulating the effects of electromagnetic on the heart of human body, the eddy-currents of the heart of human body induced by MRI time-varying gradient fields are computed and compared with the recommended threshold.

运用时域有限差分法（FDTD），通过电磁场对人体心脏影响的模型仿真，计算出心脏体段由磁共振成像（MRI）时变梯度场感应的涡流，并与已有的心脏刺激阈值进行比较。

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Wind tunnel test of a rigid flat-roof model is carried out, in which the time-varying generalized force is obtained in terms of simultaneously measured fluctuating wind pressures and structural modes to consider the correlation of random wind loading.

对一平顶屋盖刚体模型进行了风洞试验，考虑到随机风荷载的空间相关性，试验中利用同步测量的脉动风压和结构模态获得随时间变化的广义力。

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NN, one of soft measurement modeling tools having the association& recollection self-learning better fault tolerance prompt response simulation of the high nonlinear system, has its advantage in modeling the nonlinear and time-varying flux of sluice gate.

神经网络方法是一种效果较好的软测量建模方法，具有联想记忆，自学习，高度容错，快速处理，能逼近高度复杂的非线性系统的特点，适用于非线性、时变的涵闸水力流量过程建模。

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Materials and Methods: With 50 Hz time-varying magnetic field act on mice, 4 hours every day, after 10 days, the micronuclei rate of mouse bone marrow and blood were determined.

材料和方法：用50Hz交变磁场作用于小鼠，每天4小时，10天后检测小鼠骨髓嗜多染红细胞微核率和血液学指标。

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Objective To study the effect of static magnetic fields and low-frequency time-varying magnetic field on the micronucleus in PCE of the mouse bone marrow and blood analysis.

目的研究稳恒、低频交变磁场对小鼠骨髓嗜多染红细胞（PCE）微核率和血象分析的影响。

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Magnetic particles also can have resonant response to a time-varying magnetic field with advantageous results related to the transfer of energy from the exciting field to the nanoparticles.

磁性颗粒能在时间变化磁场中产生共振响应，因而能很好地将能量从激发场转移到纳米颗粒中。

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Magnetic stimulation ( MS) is a method for stimulating excitable tissue with an electric current induced by an external time-varying magnetic field.

磁刺激是利用时变磁场在组织内产生感生电流，使可兴奋组织产生兴奋的一种无创刺激方法。

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New Statement of Uniqueness Theorem for Time-Varying Electromagnetic Field

时变电磁场唯一性定理的完整表述

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Conclusion: Low frequency time-varying magnetic field can promote cellular immunity function in mice.

结论：低频交变磁场能增强机体的细胞免疫功能。

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Induced Electric Field in Time-Varying Magnetic Field

时变磁场中的感生电场

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Constraints of Eddy Current in 2D Time-varying Electromagnetic Field Problems All Changed

二维时变电磁场问题中涡流的约束

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A Moment Method of Analytic Solution to Drive Problem on Time-varying Scalar Field

时变标量场激励问题解析解的矩量方法

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Study on guidelines for low frequency time-varying magnetic field

低频交变磁场安全性的研究

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In virtue of variation theory, boundary problem of magnetic field is changed into equivalent variable problem. Then the procedure of element analysis, discrete format and collective composition equation in sinusoidal and time-varying field are given.

从待解的磁场边值问题出发，利用变分原理将边值问题转化为等价的变分问题，给出了正弦时变场单元分析过程和离散格式以及最终的总体合成方程。

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The one-soliton solution indicates obviously the spin precession around the magnetic field and periodic shape variation induced by the time-varying field as well.

从单孤子解的表达式可以明显看出自旋绕着外磁场进动，且孤子的形状随外磁场的作用周期性变化。

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