pendulum相关论文
Vibration and noise are important engineering problem and many methods have been developed to control and/or absorb the ......
A theoretical model of a friction pendulum system(FPS) is introduced to examine its application for the seismic isolatio......
Assessment of the immigration effect and choice of development pattern for scenic areas:a case study
Mountainous regions face a series of conflicts between the natural resources conservation and the economic development, ......
4.6.1.6扭摆法(ISO4663)扭摆(Torsion pendulum)法在ISO4663中做了规定,分为A法、B法和C法三种。⑴试验装置图4-6-10是扭摆法中的A......
From the viewpoints of environmental protection, support for the aged and ensuring the right to mobility, there is a nee......
Based on the internal temperature variation of a dam lagging behind the ambient temperature variation,the ambient temper......
假如你去英国旅游,一定不要忘记看它的标志性建筑之一——大本钟。大本钟经历了一战、二战的洗礼,但那来自“维多利亚时代的钟声”......
The earliest description of the earthquake in China appeared in prehistoric myths. It is recorded in the Huai Nan Zi, a ......
The dynamic response of moored crane-ship is studied. Governing equations for the dynamic response of a crane-ship coupl......
Effects of conical nozzle configuration on impulse coupling coefficient in repetitively-pulsed laser
A dimensionless factor was introduced to deduce the analytic expression of impulse coupling coefficient for conical nozz......
An ultra-low frequency passive vertical vibration isolator is constructed by mounting a couple of additional masses on ......
In this paper,we propose a novel method of multi-beam laser heterodyne measurement for micro-impulse.The measurement of ......
Gnetupendin C, a new dimer coupled by a resveratrol and an oxyresveratrol unit, was isolated from the lianas of Gnetum p......
Looking for new light sources,especially short wavelength laser light sources has attracted widespread attention.This pa......
With the time passing by and the environment changing, the characteristics of the components in a seismometer may change......
After the horizontal pendulum is used in ground-tilt measurement, its scaling has drawn great attentions from the people......
平衡自行车是环境友好型和空间有效型汽车的基础。在本研究中,该自行车通过使用Control Moment Gyroscope的方法来建模和数量化的......
目的 探讨头影测量和定量分析摆式矫治器加直丝弓技术在上颌第2磨牙萌出后的治疗效果.方法 选择安氏Ⅱ类错(牙合)患者,分为两组,第......
Using a Grandfather Pendulum Clock to Measure the World’s Shortest Time Interval, the Planck Time (W
Haug has recently introduced a new theory of unified quantum gravity coined “<em>Collision Space-Time</em>”. From this......
George Polya’s How to Solve it demonstrates how his procedures can be used to methodi- cally approach and solve any pro......
伦敦市中心泰晤士河(the Tham es)畔的英国议会大厦(H ouses of Parliam ent)上耸立着一座97米高的钟楼,是伦敦的标志性建筑之一,......
目的 :探讨Pendulum矫治器治疗Ⅱ类错牙合的临床疗效及对牙颌面的影响。方法 :应用Pendulum矫治器对18例平均年龄为 11.9岁的牙性......
近年来 ,非拔牙矫治安氏 类错牙合应用越来越多。治疗安氏 错牙合以往用口外弓作远中移动上颌磨牙的主要装置。口外弓与活动矫治......
It is discovered that the natural convection gas has the pendulum characteristic, which leads to the introduction of the......
一、病史患者,女,11岁。主诉:“右上尖牙未萌出求治”。外院诊治建议拔牙矫治,因不能接受来我院寻求非拔牙矫治。全身状况良好,无......
目的介绍从颊舌侧同步加力的三维控制性整体远移磨牙方法的临床应用。方法 31例牙性安氏Ⅱ类错患者,其中男8例,女23例,平均(11.2......
A modified torsion pendulum apparatus is developed for measuring the shear modulus of single filaments with uniform micr......
A new method for detecting the crust tilt tides with a folded pendulum is presented. The principle of the folded pendul......
The 1975 Haicheng MS7.3 earthquake affected whole Korean Peninsula and even Kyushu,Japan.In this paperisoseismal map of ......
Tri-directional shaking table tests of vibration sensitive equipment with static dynamics interchang
Recently,the high-tech industry has become a key industry for economic development in many countries. However,vibration ......
Quayside container crane is a kind of huge dimension steel structure,which is the major equipment used for handling cont......
The seismic response of an isolated vertical, cylindrical, extra-large liquefi ed natural gas (LNG) tank by a multiple f......
Pulsed plasma thrusters (PPT) are micro-propulsion devices used in satellites forstation keeping. Conventionally the pl......
Impact of the equivalent center of mass separating from the sliding surface on the isolation perform
A new equivalent center of mass model of FPBs(friction pendulum bearings) is introduced, and based on this model, coeffi......
Nonlinear analysis of r.c. framed buildings retrofitted with elastomeric and friction bearings under
Reinforced concrete(r.c.) framed buildings designed in compliance with inadequate seismic classifications and code provi......
This paper presents the starting project of a web site focussed on unstable systems. It is a web-based database in a bil......
Tilt and strain meters of the deformation-observation network in Hubei Province all responded to the Mw9. 0 Japan earthq......
PERFORMANCE OF ULTRA-LOW FREQUENCY PASSIVE VERTICAL VIBRATION ISOLATION SYSTEM WITH REVERSE PENDULUM
A novel long period passive vertical vibration isolator constructed by mounting reverse pendu-lums on two pairs of tors......
Nonlinear modeling of a flexible beam with large deformation was investigated. Absolute nodal cooridnate formulation is ......
Dynamic performance of cable-stayed bridge tower with multi-stage pendulum mass damper under wind ex
In this paper, wind-induced vibration control of a single column tower of a cable-stayed bridge with a multi- stage pend......
The adhesion of thermally sprayed coatings is an important subject for engineers applying thermal spray pro-cess.The si......
Small variation of annual temperature in deep tunnel can produce annual variation in tilt and strain
In this paper,finite element method (FEM) of axisymmetric linear elastic model has been used to calculate the tilt and s......
In this paper two different kinds of dynamic mechanical techniques(inversed torsion pendulum and energy dissipation appa......
Based on the digital observational data from pendulum tilt-meters and water tube tilt-meters, the spheroidal free oscill......
The anomalous low friction(ALF) and pendulum-type wave(μwave) phenomena were two typical,nonlinear,geo-mechanical,and d......
Stability of rat models of fluid percussion-induced traumatic brain injury: comparison of three diff
Fluid percussion-induced traumatic brain injury models have been widely used in experimental research for years. In an e......
Within the affine connection framework of Lagrangian control systems, based on the results of Sussmann on small-time loc......
