查询词典 damping-off

Based on the theory of vibration , this paper educes the concept of damping and conventional damping modes .

本文基于振动理论引出了阻尼的基本概念和常见的阻尼形式，综述了阻尼的发展状况及国内外有关辐射阻尼的研究现状，对阻尼的研究意义和发展前景做出了展望。

The propagation characteristic of stress wave in perfect piles with the influence of pile material damping and the soil damping , in different kinds of defect piles and several liable misjudging situations are briefly simulated .

主要模拟了应力波在完整桩中存在桩身材料阻尼和土阻力影响时的传播特性、在各种不同类型的缺陷桩中的传播特性及几种易发生误判的情况，结合工程实际对各种不同的情况进行分析总结。

The calculated results show that adopting damping apparatus is a feasible measure for solving aseismic safety of a aqueduct, and that appropriately prolongating period of a vibration-isolationg structure and regulating damping are an effective way of controllong aqueduct vibration.

控振计算表明，采用减隔震装置是解决渡槽抗震安全的可行措施，适度延长隔震结构周期与调整阻尼是控制渡槽振动的有效途径。

Based on the 1T15M-2 reversible sleeve air spring made by Firestone Corp., an air spring with auxiliary chamber was built. The character of the air spring in vertical direction was described as a linear spring damper element. Using the method of free vibration with damping, the changing rules of the stiffness and damping under different pressure in the air spring with the change of throttle orifice diameter have been studied experimentally.

以美国凡士通公司的IT15M-2型膜式空气弹簧为基础，构建带附加空气室的空气弹簧，将带附加空气室空气弹簧简化为由并联线性弹性和线性阻尼组成的垂直弹性元件，采用单质点自由衰减振动的方法，试验研究不同空气压力下弹簧垂直刚度和阻尼随节流孔孔径变化的规律。

In order to have a better damping effect, the design parameters of the built-in damping boring bar should be optimized in the design stage.

为了使内置式减振镗杆有比较好的减振效果，在设计时应该对其设计参数进行优化。

The springs and shock absorbers can also be manually adjusted by moving a switch to the Comfort or Sport position The fully automatic electronics work with four different damping stageswhich suit the damping forces acting on each individual wheel to the current requirements and road conditions.

这种全自动的电子系统以四个不同的减震级别进行工作，使分别作用于各车轮上的减震力适应当前的需要和路况。

The springs and shock absorbers can also be manually adjusted by moving a switch to the Comfort or Sport position The fully automatic electronics work with four different damping stageswhich suit the damping forces acting on each individual wheel to the current requirements and road conditions.

通过将开关在舒适型和运动型位置之间转换，弹簧和减震器也能以手动方式进行调节。这种全自动的电子系统以四个不同的减震级别进行工作，使分别作用于各车轮上的减震力适应当前的需要和路况。

Optimization of thickness distribution of unconstrained damping material was studied under constant damping material volume.

该方法用一组模态振型线性组合来定义阻尼层厚度分布函数，将模态参与因子作为设计变量来优化阻尼层厚度分布。

When AVR is added to other signals, such as speed, angle, active power, et al., power systems have equal damping is a constant that does not change on any conditions of general damping.

在AVR的基础上附加转速、功角、功率，乃至于附加远方机组任意信号的复杂多变量励磁控制方式下，电力系统总阻尼保持守恒，其数值与单纯AVR控制时相等。

The analysis results indicate that the vibration fractional factor with rotating frequency has a close relationship with both rotating speed of rotor and damping of bearing under constant acceleration. When rotating acceleration is small and damping is large, the transient response is not sensitive to the variation of rotating speed; otherwise the imbalance response with constant acceleration and the response in stable state will build up obvious differences near critical rotating speed.

研究结果表明：在恒加速条件下，转子同频振动分量与转子的转速、支承阻尼等因素密切相关，当角加速度较小且阻尼较大时，其瞬态响应对转速的波动不敏感；而当角加速度较大或阻尼较小时，恒加速过程不平衡响应与稳态响应在临界转速附近将产生明显的差异。

On the other hand, the more important thing is because the urban housing is a kind of heterogeneity products.

另一方面，更重要的是由于城市住房是一种异质性产品。

Climate histogram is the fall that collects place measure calm value, cent serves as cross axle for a few equal interval, the area that the frequency that the value appears according to place is accumulated and becomes will be determined inside each interval, discharge the graph that rise with post, also be called histogram.

气候直方图是将所收集的降水量测定值，分为几个相等的区间作为横轴，并将各区间内所测定值依所出现的次数累积而成的面积，用柱子排起来的图形，也叫做柱状图。