But, the variation of Young's modulus would not change the characteristics of motion of burden in blast furnace that is composed of the steady motion and the transient motion of burden. 但弹性模量的变化并没有改变高炉内炉料的运动特征,其运动仍然是由稳态下降运动与瞬态运动组成。
We observed the effect of anisodamine on contractile function and calcium transient in isolated adult rat ventricular myocytes by edge motion detect system. 利用单细胞动缘探测系统我们观察了山莨菪碱对正常离体大鼠心室肌细胞收缩功能和钙瞬变的作用。
It is concluded that the transient response to a high frequency harmonic ground motion can increase greatly the displacement response of structures, particularly for the long period structures. 研究结果表明:在简谐地面加速度作用下,高频地震动也可以引起长周期结构产生很大的位移反应,且最大位移反应出现在结构的瞬态自由振动阶段。
Transient motion of interface dislocation and self-similar propagation of interface crack 界面位错的瞬态运动和界面裂纹的自相似扩展
Through several illustrative numerical examples, the displacement and stress fields of solid skeleton as well as the velocity and pore pressure fields of interstitial fluid in transient wave motion under the two types of boundary conditions are discussed. 几种典型的数值算例同时给出了两类边界条件下瞬态波动过程中多孔固体的位移场、应力场和孔隙流体的速度场、压力场。
This paper presents a model for transient pressure analysis, which includes the analysis of propellant burning, stemming liquid motion, fluid drainage through perforation, and fluid flow in fractures. 本文提出了一个高能气体压裂瞬态压力分析模型,包括火药燃烧、压井液体运动、井筒流体通过射孔孔眼的泄流和裂缝中流体流动等分析内容。
Some problems about the transient vibration of SDOF under simple harmonic load and ground motion was researched. The rule of the transient vibration was generalized. 在已有研究工作的基础下,深入研究了简谐荷载和简谐地面运动作用下单自由度体系的位移反应、加速度反应和内力反应中的伴生自由振动反应情况,总结其中伴生自由振动的运动规律。
The model predicts the transient variations of gun chamber pressure, projectile motion and the decomposition rate of propellant. 模型可以预测发射过程中药室内压力、弹丸运动及工质的分解速率的瞬时变化。
Transient chaotic motion was analyzed with FFT, power spectrum and Lyapunov exponent spectrum. 运用FFT、功率谱、Lyapunov指数谱分析了系统响应的瞬态混沌现象。
A lumped parameter model was developed for predicting the transient motion of mirrors, taking into account electrostatic and tensile forces and viscous air damping via squeeze film theory. 考虑静电驱动力、张力和空气阻尼衰减对变形镜回复过程的影响,建立一种复合参数模型来预测变形镜的瞬态行为。
Its geometrical parameter and planning parameter should be followed in calculating the transient motion parameters of all coordinate axes. 根据轨迹函数、规划参数可以计算出各坐标轴的瞬态运动参数。
In order to study the effect of tire cornering stiffness on vehicle body's yaw angular velocity transient response when there is a front wheel step steer input, a two DOF planar model of vehicle's motion is estab-lished and the transient response expression is given. 为了分析轮胎侧偏刚度对汽车前轮角阶跃输入下车身横摆角速度瞬态响应的影响,建立汽车运动的二自由度平面模型,解析分析了轮胎侧偏刚度对瞬态响应的影响。
The tail probability estimates for the occupation time of Brownian sheet are discussed. It is verified that N-parameter d dimension Brownian sheet with d> 2N also possesses the property called as "the localization phenomenon" just as transient Brownian motion does. 讨论瞬时(即d>2N情形)的N指标d维布朗单逗留时的尾概率估计,证明了瞬时的布朗单同样具有瞬时(即d≥3情形)的布朗运动逗留时所具有的局部化现象的特征。
A concept of added mass force in viscous flows is introduced through rigorous analysis of a particle transient motion at low particle Reynolds number. 从分析低颗粒雷诺数下刚性小颗粒的非恒定运动出发,给出了粘性流中附加质量力的概念;
Transient Throttle Control System of Spark-ignited Engines Based on Motion Control Card 基于运动控制卡的汽油机节气门瞬态控制器
Research on Transient Vibration of a System under the Input of Harmonic Ground Motion 简谐地面运动作用下系统瞬态振动的研究
Mathematical expression of longitudinal transient deformation of tyre tread imprint under motion condition has been derived. 计算出运动状态下轮胎印迹纵向瞬时变形的数学表达式。
The asymptotic formula of moment generating function for occupation time of transient Brownian motion and symmetric stable process discussed by Dembo and Peres etc. Dembo和Peres等学者讨论了非常返布朗运动和对称稳定过程的逗留时的矩母函数的极限表达式,并将所得结果用于解决逗留时的粗重分形谱问题。
The steady motion and the transient motion of the controlled multibody system with delay and without delay are computed with examples. 实例计算延迟和无延迟受控多体系统的稳态运动和瞬态运动。
On Transient Motion of Particles in Dilute Two Phase Flow 稀疏两相流中颗粒非恒定运动的积分变换分析
One-dimensional transient wave motion in saturated porous media under stress boundary condition 应力边界条件下饱和多孔介质的一维瞬态波动
Analytical solutions are obtained using Laplace transform and convolution theorem for the transient wave motion in saturated porous media under arbitrary stress boundary condition and displacement boundary condition, respectively. 利用拉氏变换和卷积定理,分别得到了边界自由排水时在任意应力边界条件和任意位移边界条件下瞬态波动过程的解析表达。
The transient time function of the transducer motion can be determined by applying the residue law. 换能器运动的瞬态时间响应可以通过留数定律解析而得。
The transient pressure equation of fluid and motion equation of moving plate in Reynolds 'lubrication system are derived. The transient response and relative damping coefficient and eigenvalues are analyzed. 文章建立了雷诺润滑系统中的流体瞬态压力方程和镜板的运动方程,分析了该系统的瞬态响应和相对阻尼系数以及特征值。
An analysis on one-dimensional transient wave motion in saturated porous media 饱和多孔介质一维瞬态波动问题的解析分析
In particular, the influence exerted by oil viscosity and gap extension on the rattle characteristics is investigated through the analysis of the transient response of the driven gear by imposing a harmonic motion to the driving gear. 特别通过用对传动齿轮谐和运动的影响分析从动齿轮的瞬态响应来研究油粘度和间隙延展对敲击特性施加的影响。
Transient theoretical analysis of the triggering system of the engineering strong motion seismographs and designing of their modified versions 工程强震仪触发系统的瞬态理论分析及其改型设计
It is analytically demonstrated that at high particle Reynolds number the particle transient motion equation is a nonlinear integral equation with singularity, while it is simplified to the second Volterra integral equation when particle Reynolds number is smaller than unit. 分析表明,高颗粒雷诺数下的粒子非恒定运动方程为非线性奇异积分方程,而当颗粒雷诺数小于1时,则线性化为第二类渥尔特拉(Volterra)积分方程。
As the transient analysis method takes the peak ground motion, spectrum characteristics, and duration into account, it can be used to get the entire process of the structure reaction in the strong earthquake completely and accurately. 由于时程分析考虑了地震动的峰值,频谱特性和持续时间三要素,因而该方法能比较完整准确地反映出结构在强烈地震作用下反应的全过程状况。
The transient motion parameter of every coordinate axes can be calculated to monitor the locus motion. 可以计算出各坐标轴的瞬态运动参数,对轨迹运动动态监控。