电容的冲击频率和电路的自振荡频率对细化效果起着关键性的作用。
The refined effect of electric pulse depends on the charged frequency of capacitance, oscillatory frequency of circuit and the density of current.
大冲击能、高冲击频率、小冲击间距对于破碎脆性硬岩有较好的效果。
High energy, high frequency and small impact space have good effect on cutting the brittle hard rock.
液压冲击器的工作性能中最重要的是冲击能，冲击能又与冲击频率密切相关。
Impulsion energy is the most important of work capacities of a hydraulic impulsion tool, and impulsion energy is related to impulsion frequency.
模拟试验结论表明，声波法测出的冲击频率与实际频率是一致的，具有可行性。
The result of analogue test shows that frequency of impacter measured by sonic method consists with actual frequency and the method is feasible.
实践证明，该液压破碎锤具有结构简单，冲击能和冲击频率可无级调节，节能，维修方便等优点。
It is verified that the new hydraulic breaking hammer features simple structure, stepless adjustment of impacting power and frequency, power saving, easy maintenance, etc.
现有的气动穿孔机已能完成预期的施工任务，但其耗气量和冲击频率等性能参数还有待于进一步的提高。
The existing air punch can achieve the expected construction work, but it is necessary to improve its performance such as air consume and impact frequency.
现有的气动穿孔机已能完成预期的施工任务 ，但其耗气量和冲击频率等性能参数还有待于进一步的提高 。
The existing air punch can achieve the expected construction work, but it is necessary to improve its performance.
广泛应用于震动幅度大、冲击频率高、作业时间长、环境恶劣的各类工程机械，压路机、挖掘机、矿山运输车辆等。
Be widely applied on various construction equipments with some features, big vibration and shock frequently, working long time, terrible environment machines, such as roller, grab, mine transporter.
并根据往复泵的能量方程推导了液动冲击器的单次冲击功、能量利用率和冲击频率的计算公式，并利用实测数据进行了验证。
The calculating formulas for the power of single stroke, utilization efficiency of energy and frequency of strokes are derived from the energy equation of the reciprocating pump.
本研究系采用微型计算机、波形存贮器等技术装备组成了凿岩机械冲击能、冲击频率、行程、压力等工作参数的微机测试系统。
The system consists of microcomputer and transient wave converter etc For the measurement of working parameters of drilling machine such as impact energy or frequency, stroke and pressure.
影响钻柱疲劳寿命的因素包括钻柱裂纹尺寸、空气锤冲击频率、转盘转速等，而空气锤冲击频率与裂纹尺寸是影响钻柱疲劳寿命的两大主要因素。
Crack size, hammer stroke frequency and rotary speed influence the drilling string fatigue life involve, in which the crack size and stroke frequency were two major factors.
通过理论和实验证明改变液压夯管锤的冲击能和冲击频率，比较简单而经济的方法是调节液压夯管锤的行程，并讨论了改变行程对液压夯管锤的性能有哪些影响。
The theory and test proved that the impacting frequency of hydraulic rammer can be adjusted by pipe hammer stroke. The influences of stroke on characteristics of hammer are discussed.
使用该系统，可以很方便地测量冲击器的能量、频率、流量等重要指标。
It is very convenient for gauging the energy, frequency and flow of hydraulic shock device.
如用户在实际运行过程中两者结合使用，可减少机械振打的频率，减轻对机械振打部位的受热面焊口的冲击。
If user combines the two in actual operating process, frequency of mechanical rapping can be reduced and the impact on heating surface welded junction of mechanical rapping position can be relieved.
麦克风还具有一个最佳的繁殖和清晰的声音频率范围扩展响应，而一些特别的冲击，安装允许麦克风元素运动处理噪音大大降低。
The mic also features an extended frequency range response for optimum reproduction and clear sound, while special shock-mounting allows movement of the mic element to greatly reduce handling noise.
压力测量要求的压力源连接到传感器，加速度震动或冲击检测需要在一些已知的频率和力量的装置。
Pressure measurements require a pressure source to be connected to the sensor; acceleration or shock detection requires shaking the device at some known frequency and force.
紧张度、持续时间或焦虑和担心出现的频率都与现实可能性或预期事件的冲击不成比例。
The intensity, duration, or frequency of the anxiety and worry is out of proportion to the actual likelihood or impact of the anticipated event.
但微电网也存在频率电压稳定和电能质量、对主网的冲击等题目。
However, there are also problems such as frequency and voltage stability, power quality and the impact on the main network.
介绍了一种声波法测冲击器频率的方法。
The paper introduces a kind of sonic method by which frequency of impacter is measured.
通过对循环谱密度分析方法的特性分析，指出应用循环谱密度分析方法可以在循环频率域有效提取出滚动轴承的冲击故障频率。
Based on the analytic method of cyclic spectrum density, the paper pointed out that the impact frequency could be extracted effectively with the help of scanning cyclic frequency domain.
利用冲击振动试验法可以准确得到桥墩的一阶振型和一阶频率，利用这两个参数可以构造出一阶振型比、特征参数、一阶曲率模态差三个指标。
The first-order mode and the first eigenfrequency of the pier can be obtained easily and precisely by the impact vibration test method, from which three indexes such as the chang.
但是，对激素静脉冲击疗法治疗系统性血管炎的最佳剂量和治疗频率还没有作过有对照组的临床研究。
However, the optimal dose and frequency of administration of IV GC have not been studied in a controlled fashion for systemic vasculitis.
提出了一种基于模态频率的声信号频域特征信息提取方法，并将该方法用于堆垛机结构的冲击载荷分类识别研究。
A new approach is presented for feature extraction from sound signals generated by the structure sound radiation in frequency domain using modal frequency.
提出了一种测量既有桥墩自振频率的新方法，即冲击振动试验法(IVTM)。
An impact vibration test method (IVTM) for measuring natural frequencies of existing piers is proposed in this paper.
通过冲击损伤试件的实验分析表明，由于结构损伤的出现压电阻抗谱中的模态频率及其阻抗幅值等特征信息将发生变化。
Experimental results on impact damaged pieces show that the presence of structure damages makes such characteristic information as mode frequency and value of piezoelectric impedance changed.
便携式火箭发射器所产生的冲击波和强脉冲噪声属非稳态信号，具有较宽的频率范围。
The shock wave and strong pulse noise, which produced by light rocket launcher, are belong to a non stationary signal process with a wide frequencies.
为了和理论模型相比较，设计、制作了轴系试验模型，进行了轴系固有频率测试和冲击试验研究。
In order to compare with the theoretical model, the shafting experimental model is designed and built.
为了和理论模型相比较，设计、制作了轴系试验模型，进行了轴系固有频率测试和冲击试验研究。
In order to compare with the theoretical model, the shafting experimental model is designed and built.
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