The transmission of power flow of the active isolation system is investigated theoretically and numerically.
对系统中振动功率流的传递进行了理论分析和数值计算。
An active isolation model is established for the flexible base and rigid equipment systems, taking account of the coupling of equipment, isolators and the foundation.
建立了一类柔性基础、刚性设备的复杂系统主动隔振模型，考虑了设备、隔振器、作动器和柔性基础的耦合作用。
Depending on the degree of safety to achieve structural control technique like active isolation, passive isolation or conventional seismic design method can be chosen.
依据所要达到的安全程度，可选择采用主动隔震结构控制技术、被动隔震结构控制技术或传统的抗震设计方法。
In order to isolate vibration transmission of marine power plant to decks, an investigation into hydraulic servo active isolation mount for marine diesel set was conducted.
为隔离舰船主机及其动力装置振动向甲板的传递，本文研究了液压伺服主动隔振台架。
Adopting the active control can meet the isolation demand high accuracy for tiny vibration induced by the gravitation variation between the sun and the earth.
目前对于太阳和地球引力变化引起的微振动，采用先进的主动控制能达到高精度的隔振要求。
Biological functional active polypeptides can be prepared by through Marine products defatting, enzymic hydrolysis and isolation.
对海产品蛋白质进行脱脂、酶水解并进一步分离纯化，制备生物功能活性多肽。
The active vibration control of the beam structure, which is used in the isolation of the ships auxiliary machines, is studied by using modal analysis method and adaptive algorithm in this paper.
以船舶辅机的梁式隔振结构为对象，运用模态分析方法和自适应算法，推导并分析了梁式结构振动主动控制的基本原理和方法。
Through feedback control analysis and simulation, it is proved that the mechanical model is appropriate and the scheme of active vibration isolation system is feasible and effective.
通过反馈控制分析和实验，表明：采用主动隔振可以明显提高机床减振性能，尤其对低频隔振效果较好。
The hybrid vibration control is to apply both the active and passive vibration control to the same controlled structure in order to take full advantage of them and obtain the optimal isolation effect.
混合振动控制是将主动振动控制和被动振动控制同时应用于被控结构，充分利用它们各自的优点，达到最佳的隔振效果。
The author uses MATLAB to simulate control algorithms for vibration isolation and compares the differences of no-control, passive control and active control.
作者利用MATLAB对隔振控制算法进行了仿真研究，比较了无隔振控制、被动隔振控制和主动隔振控制方法之间的差别。
METHODS: Review interaction styles of DNA with DNA targeting molecules and bioassay guided isolation of active principles from natural medicinal plants.
方法：综述DNA与其靶向分子的作用方式以及DNA为作用靶的生物活性筛选系统跟踪分离天然植物药活性成分的情况。
The research field of isolation and identification of natural products is very important and active. To find and avail of bioactive components in natural drugs is the key to study new medicines.
天然产物有效成分分离及结构鉴定是非常重要和活跃的研究领域，从中可以发现和利用其重要的生物活性组分，是目前新药物研发的关键。
We design a active vibration isolation scheme making a pedestal which is set on the vibration isolaters to reduce the diffusing energy.
为此设计了主动隔振方案，制作一隔振用机器台座，下设隔振器。
If you store an environment and do not plan to delete the original active environment immediately, we recommend that you turn on the network isolation capability of the stored environment.
如果存储环境且不打算立即删除原始活动环境，建议您打开存储环境的网络隔离功能。
The vibration characteristics of an inertial vibration feeder were analyzed. Passive vibration isolation and active vibration isolation for an inertial vibration feeder were researched.
在研究惯性式振动输送机振动特性的基础上，分别对其进行了被动隔振和主动隔振。
Based on the analysis of the structure and vibration of HCM-I Submicro CNC Ultra-precision Turning Machine, the mechanical model of active vibration isolation system is set up in the paper.
本文以HCM_I型亚微米超精密车床为研究背景，在分析了机床结构与振动的基础上，建立了机床主动隔振系统的力学模型。
The types, principles, features, and applications of displacement sensor used in ultra-low frequency active vibration isolation control are introduced.
介绍了超低频主动隔振控制中常用的位移传感器的类型、工作原理、结构特点及适用范围。
The sliding structure with semi-active control shows good isolation effect, and the basic maximum sliding displacement and residual displacement were lesser.
通过半主动控制后，不但具有较好的隔震效果，而且能有效地减小基底的最大滑移量及残余位移。
A novel control method based on BP network controller is presented for the nonlinearities in active vibration isolation system.
针对主动隔振系统存在的非线性，提出一种基于BP网络控制器的主动控制方法。
According the simple active vibration isolation system model, using different control ways, designed a lot of control systems.
根据升沉补偿系统主动隔振的简单模型，采用不同控制策略，设计了几套控制系统。
For devices formed on an oxide isolation layer, the poly - filled trench desirably penetrates this isolation layer thereby improving thermal conduction from the active regions to the substrate.
对于形成在氧化物隔离层上的器件，多晶填充的沟槽理想地穿透该隔离层从而改进从有源区到衬底的热传导。
This thesis discusses the performance of the piezo-ceramic actuator and it's active narrowband vibration isolation technique of high frequency flexible structure based on resonant case.
本文讨论了压电陶瓷作动器的性能和基于共振情况下的柔性结构的高频窄带主动隔振技术。
For the problem of the active vibration isolation of machines with periodic impact disturb, a new idea is presented for the optimum designing of impact isolator parameters.
针对机械设备受周期冲击干扰的积极隔振问题，提出了冲击隔振参数优化设计的新方法。
Numerical results show that the sliding structure using semi-active control not only has good vibration isolation effect, but also has less maximum slippage and less residual base displacement.
对实例计算结果的分析表明，半主动控制下的滑移隔震结构不但具有较好的隔震效果，而且能有效地减小基底的最大滑移量及残馀位移。
Pressure tracking of a pneumatic servo system plays an important part in the active pneumatic isolation technique.
气动伺服系统的压力跟踪是主动隔振系统中的一个重要环节。
In order to achieve better vibration isolation effect, people begin to do deep research on active vibration isolation technology.
为了达到更好的隔振效果，人们对主动隔振技术开展了深入的研究。
The dynamic models of a specific precise instrument in spacecraft are established and an active vibration isolation system based on piezoelectric intelligent structures is constructed.
对某特定的机载精密仪器进行了动力学建模，建立了压电智能结构主动隔振系统。
A 2-DOF machine tool theoretic model is established for semi-active vibration isolation system optimization.
针对精密机床半主动隔振系统最优化问题，建立2自由度机床力学模型；
Numerical results show that the sliding vibration isolation structure using semi-active control not only has good isolation effect, but also has lesser maximum slippage and residual base displacement.
对计算实例的分析表明，通过半主动控制的滑移隔震结构不但具有较好的隔震效果，且能有效地减小基底的最大滑移量及残余位移。
Numerical results show that the sliding vibration isolation structure using semi-active control not only has good isolation effect, but also has lesser maximum slippage and residual base displacement.
对计算实例的分析表明，通过半主动控制的滑移隔震结构不但具有较好的隔震效果，且能有效地减小基底的最大滑移量及残余位移。
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