本文主要研究裂缝对梁结构振动参数的影响。
In this paper, the effect on the vibration parameters caused by a crack in a girder construction is investigated.
传统测量振动参数多采用压电式加速度传感器。
Vibration parameters are measured traditionally by piezoelectric acceleration sensors.
从而使计算机直接采样算出的振动参数有很高的精度。
This ensures that the vibration parameters as sampled directly and input to the computer sustain a high measured precision.
简述了理论计算振动参数的方法,重点介绍了模态应变能法。
Outlines the calculation method of vibration parameters, focusing on the modal strain energy method.
因此,合理地选择结晶器的振动参数、振动方式都至关重要。
Therefore, it is of great importance to select proper parameters for mould oscillation and the mode of oscillation.
应用单片机和微机技术,开发出一种CAT振动参数测试系统。
By using single chip computer and microcomputer technology, a computer aid test (CAT) system of vibration parameters is developed.
本文利用微机通过梯度法初步实现对汽车振动参数的优化设计。
An attempt has been made to apply a gradient method for optimizing motor cars oscillatory parameter using microcomputers.
结果表明,人工振动可以降低原油粘度,降粘效果与振动参数有关。
The results of experiments show that artificial vibration technique can reduce oil viscosity, and the viscosity reduction rate is related to the vibrating parameters.
从而使振动参数和增产效果间的关系趋于定量化,对指导生产有重要意义。
So the relation between vibration parameters and stimulation effect becomes quantitative, which has a very important role in guiding production.
实验表明,通过切削条件和振动参数的优化组合能够得到满意的纤维尺寸。
It shows that the satisfactory equivalent diameter of fibre can be obtained through the optimization of the above parameters and conditions.
通过对振动监测所得的振动参数的分析,可防止振动对机组造成更大的危害。
The analysis of the vibration parameter gained from vibration monitoring could prevent vibration from resulting more damage to the unit.
振动特性能够反映结构的状态,损伤的产生会导致桥梁某些振动参数的变化。
The basic idea of this method is that the vibration characteristics can reflect the state of the structure, and damages can cause changes of bridge vibration parameters.
本文研究了微细粉体在振动流化床中的团聚行为和振动参数对团聚物尺寸的影响。
Agglomerating behaviour of fine particles and the influence of vibrational parameter on agglomerate size in a type of vibro-fluidized bed are investigated.
振动钻削在钻削过程的不同区段,其特征和钻削机理不同,对振动参数的要求也不一样。
The characteristic and drilling mechanism are different at different drilling segment. It also requires different vibration parameters.
采用数值模拟方法对振动诱导挤出熔融过程中振动参数的影响规律做了深入系统的研究。
Numerical simulation was adopted to investigate the influence of the melting process in vibration-induced extrusion.
结晶器非正弦振动形式增加结晶器振动的基本参数,突破结晶器正弦振动参数的取值限度。
The development of non-sinusoidal oscillation of mould expands the basic parameters of mould oscillation, and surmounts the limit of oscillating parameters range for sinusoidal oscillation .
根据板坯连铸机结晶器的振动规律,设计并实现了结晶器振动参数在线辨识及其计算软件。
According to the vibration regularity of slab caster mold, the software of on line detecting and calculating parameters for the crystal mold vibration is designed and realized.
本文建立了新梯形振动的速度表达式,并对其振动参数进行了分析,确定其最佳选择范围。
This paper establishes the velocity equations of new trapezoid oscillation, analyzes its oscillation parameters, and proposes its optimum regions.
通过分析和计算,本文在振动压路机振动参数的选取等方面得到了一些有实际意义的结论。
Through analysis and computation, some valuable conclusions regarding the choice of vibratory parameters of a roller are drawn.
阐述了小型手扶式液压振动压实滚的结构特点,结构参数的选取方法及振动参数的计算步骤。
The paper discussed the structure characteristics of small sized walking hydraulic vibrating compaction roller, chosen methods of structure parameter and counting process of vibrating parameter.
本文着重研究了实型铸造工艺中振动紧实台振动参数与砂体流动性、充填性及紧实度的特性关系。
The relationship between vibration parameters of compaction table and sand fluidity, filling and compaction for EPC was researched in this paper.
当振动强度达到某一极限值后,熔融速率、熔膜厚度和熔融段长度不再随振动参数的变化而变化。
However after vibration intensity reached a limit value, melting rate, thickness of melt film and melting length would remain unchanged.
参照以往的成果,提出了双卧轴振动搅拌机的设计方案,并详细阐述了振动参数和搅拌参数的设计。
On the basis of past production , puts forward the designing project of double horizontal shaft vibrating mixer, and concretely explicates the vibrating and mixing parametric design.
对枪在发射时,测试枪口振动参数传感器结构和工作原理进行了分析,并建立了枪的振动数学模型。
In this paper, the structure and the principle of operation of the sensor for the vibration mearsured at shooting muzzle is discussed, moreover, a model of gun vibration is set up.
理论分析和实验表明:应用该仿真模型,能在振动钻削过程的不同区段寻找最优的振动参数和切削参数。
Theoretical analysis and experiment show that the optimum vibration parameters and drilling parameters can be seeked at the different stages of the drilling process by proposed simulation model.
通过检测不同振动参数下,冷态和拉坯时振动系统输出力的变化情况,计算出结晶器与铸坯间摩擦阻力。
By measuring the hydraulic forces of cylinders in cold and hot tests with different oscillation parameters, the friction forces between strand and mold were calculated.
文中讨论了振动参数的确定方法,以原质变参数和换质定参数两种集总参数法的计算结果与实测结果进行对比。
The methods for determining vibration parameters are discussed. The data obtained in the vibration measurement of foundation of vibration table are compared with those obtained by computation.
本文介绍了应用于再造大理石成型机的液压激振系统,并提出了应用转间控制的系统其振动参数的合理选择方法。
This paper introduces hydraulic vibration-exciting system for marble moulding machine, and pats forward rational selection method of vibration. parameter for the system controlled by rotary valve.
结果表明,PP/硅灰石复合材料的力学性能对振动参数的响应并不是单调增加,而是存在一个最佳的响应范围。
The results showed that the response of mechanical properties of PP/wollastonite composite to vibration parameters was not in a monotony increasing trend but an optimum responding range.
该集成电路可以连续操作,让仪器能测量如温度、振动、压力、位置、曲度和张力等参数。
The circuits can operate continuously, and enable instrumentation for measuring parameters such as temperature, vibration, pressure, positioning, inclination and strain.
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