Lastly apply a impact hammer with different pulse width to verify the effect of the test.
最后应用不同脉冲宽度的激振锤，来验证对测试效果的影响。
Rotary sprayers use gear driven or impact hammer mechanisms to rotate the spray head in a circle.
使用旋转式喷雾器齿轮驱动或影响锤机制，旋转一圈的喷头。
Improved techniques on impact hammer configuration and continuation of dynamic operation are suggested according to engin...
根据贯入特性、工程规范和施工特点，提出了有关桩锤配置与动力连续作业等技术的改进措施。
Improved techniques on impact hammer configuration and continuation of dynamic operation are suggested according to engineering specifications and penetration characteristics.
根据贯入特性、工程规范和施工特点，提出了有关桩锤配置与动力连续作业等技术的改进措施。
Small , ultra-small models can play Piles of automatic hammer , highway , rail barrier pile , Impact also can be used to consolidate all types of roads and infrastructure .
小型、超小型号的自动打桩锤可以打护坡桩、公路铁路护栏桩、还可以用其冲击破路和夯实各类基础。
PCH series ring hammer crusher is a kind of the impact of the rotor with ring hammer crusher.
P CH系列环锤式破碎机是一种带有环锤的冲击转子式破碎机。
The impact force is applied by a falling steel ball instead of the spring hammer (USA).
用一个跌落的钢球而不是用弹簧冲击器来施加冲击力(美国)。
Designed a medium manganese cast steel used to making hammer, which has good work-hardness under non severe impact condition.
设计了一种中锰铸钢锤头材质，其在非强冲击条件下具有较好的加工硬化效果。
Mechanical factors effecting on the vibration noise and resonance performance of IR detector were analyzed for the method of impact excitation using a hammer.
采用锤击法，利用冲击激励的宽频特性，研究了金属结构红外探测器的共振特性及影响振动噪声的力学因素。
The DTH percussion-compact drilling is a high efficiency technology drilling in soil strata, which use the impact force produced by hammer piston to crush and compact soil.
潜孔锤冲击挤密钻进技术集冲击钻进、振动钻进及空气钻进的优点于一体，钻进效率高，成孔质量好，在土质地层钻进工程中有着广阔的应用前景。
Uses dynamic contact FEM to analyze impact and collision of hammer to foundation soil in the dynamic compaction, establishes the contact relation between dynamic contact force and speed.
采用动力接触有限元法分析强夯中夯锤对地基土的冲击碰撞过程，建立动接触力与速度之间的接触关系式。
The frame photograph of explosive samples under drop hammer test have a furcate structure, in which the fractal dimension of the explosive is related to its impact sensitivity.
炸药样品在落锤撞击下，其分幅图像具有分形结构，同时，它的分形维数与炸药感度有关。
Mechanical impact dynamics is used to analyse the production and spread of stress wave when hydraulic pile hammer hammerblows piles, the stress wave influence the course of driving pile.
本文应用冲击机械系统动力学分析打桩过程中锤体与桩撞击时应力波的产生、传播以及该波对沉桩过程的影响。
The commonly used alloy hammer of vertical impact crusher has poor quality, short life and large consumption, affecting the equipment availability.
常用立式冲击破碎机合金锤头质量差，使用寿命短，消耗量大，影响了设备的运转作业率。
Under the impact of a large hammer, a high signal noise ratio of the force and velocity can be acquired in the high-strain dynamic testing.
高应变动力试桩法采用数吨重锤锤击，同时实测了桩顶的力信号和速度信号，具有很高的信噪比。
The impact experiments of concrete filled steel tubes with fixed-ends were carried out on the drop hammer test machine.
利用落锤式冲击试验机对两端固定不同壁厚钢管混凝土构件进行了侧向冲击实验。
Special structure, keyless connection, high-chromium plate hammer, particular impact liner;
结构独特、无键连接、高铬板锤、独特的反击衬板；
A method named CASE method is presented for determining the statical axial bearing capacity of piles from dynamic measurements of force and acceleration performed under the impact of a large hammer.
本文介绍了用测量大锤撞击作用下的力和加速度以确定桩的静态轴向承载力的凯司(case)法。
At present, by practical impact breaker comprehensive performance is superior to the cone crusher and hammer crusher.
目前，经实践反击式破碎机的综合性能要优于圆锥式破碎机和锤式破碎机。
The resonance method excited by sine sweeping and the transfer function method excited by hammer impact are adopted.
试验分别采用正弦激励模态共振法和锤击激励传递函数测量法。
Put the coated specimen under the impact site; check the damage and or warp of it after hit by the hammer from specified height.
经撞击后检查损伤及变形情形。用于塑胶冲击测试及涂料附着力测试。
Adopting the method of the solid-liquid composite casting, the new type anti-impact and anti-wear hammer head, in witch the soft material and hard material are alternately arranged, were made.
采用固-液复合铸造的方法，制造出一种软硬材料相间、抗冲击及耐磨性能高的复合锤头。
This paper presents a method to analyze the fatigue damage growth and to estimate the damage of the hammer-foundation system due to repeated impact based on the concept of damage mechanics.
用损伤力学的概念提出了一种研究由锻锤锻打引起锻锤基础系统的疲劳损伤增长和疲劳寿命估计的方法。
The drivability study of piling requires modeling of the hammer impact to calculate the input force wave at the pile head.
桩的可打性研究需要模拟桩的锤击，计算出桩顶的应力波。
Our company is strong in technology, product quality reliable, and more than 30 years of mine production, high-thin broken equipment, jaw, Central hammer, the impact crusher .
我公司技术力量雄厚，产品质量可靠，具有三十多年生产矿用，高细破碎设备，颚式、环锤式、冲击式破碎机。
Impact printers usually form images by pressing an inked ribbon against the paper with a hammer-like mechanism.
击打式打印机用一种象锤子式的机械装置把色带压到纸上从而形成图象。
This paper presents an experimental investigation on the dynamic buckling of a Kiewitt8 single-layer reticulated shell model under drop hammer impact.
在这样的背景下，本文对网壳结构的一种常见形式——单层鞍型网壳在强震下的失效机理开展了较为深入的研究。
This paper presents an experimental investigation on the dynamic buckling of a Kiewitt8 single-layer reticulated shell model under drop hammer impact.
在这样的背景下，本文对网壳结构的一种常见形式——单层鞍型网壳在强震下的失效机理开展了较为深入的研究。
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