本文介绍了单根多模先纤探头的干涉测振实验装置,测量原理以及实探结果。
The theory of vibration measurement by interference with a multimode single optic fiber probe and an experimental arrangement, as well as the experimental results are presented.
通过对稻壳粉进行筛分,测量了不同粒径稻壳粉的松散堆积密度和振实堆积密度。
By sieving the rice husk particles (RHPs), the paper presents the loose and the tap bulk density of different sizes of rice husk.
本机主要用于树脂砂造型时型砂的振实,也可用于粘土砂造型或自硬砂造型实砂型的振。
It for consolidating molding sand, such as resin bonded sand, as well as tamping sand, such as clay sand or self hardening sand.
本文从EPC干砂造型工艺特点出发,分析了EPC造型设备——振实台设计和选用中应考虑的若干问题。
Based on the analysis of the technologies of the expandable pattern casting, borne problems of the design and selection of the EPC molding equipment-squeezing table have been investigated.
结合工厂多年的生产经验,对于砂性能、振实台和负压砂箱的结构以及负压浇注过程中的注意事项提出了明确的要求。
The requests for dry-sand, vibrating table, structure of negative pressure sanrl box and proceedings to be noticed in casting pro-cesss have been put forward definitely.
探讨了以氨水作为络合剂时产物的形貌特征,扫描电子显微镜(SEM)显示此方法制备产物颗粒均匀,粒径大约5!m,振实密度为2。
SEM show that the samples with NH4OH as a chelating agent are uniform, its particles are about 5 m, and tap-density is 2.
本实作练习是补功能性磁振造影资料统计分析课堂与指定阅读的不足。
These laboratory exercises complement the lectures and assigned readings on statistical analysis of fMRI data.
就提高沥青路面压实质量问题,从碾压温度、压实速度与遍数、振频与振幅及混合料特性几个方面进行了阐述。
From compaction temperature, compaction speed and times, oscillation frequency, amplitude as well as mixture performance etc, the paper expounds enhancing the compaction quality of asphalt pavement.
在识别中采用了实模态识别法,识别出前13个模态参数,并与稳态激振、环境振动及有限元计算进行了比较,结果是比较符合的。
Real modal parameter identification has been used and 13 modes are identified. The obtained modes are compared with the results from steady exciting, ambient vibration and FEM calculation.
实车试验结果表明,利用传递特性模型可以确定车外加速噪声的主要振源、声源及其贡献。
The results of real vehicle test show that utilizing transfer characteristics model can identify the main noise and vibration sources and their contribution to exterior acceleration noise of vehicle.
最后,经过实桥试验,证明粘性剪切型阻尼器具有优良的减振效果。
Finally, by test in bridge, testified that this kind of damper had excellent effect in reducing vibration of cable caused by wind.
建立了一种土壤非线性力学模型,可以反映土壤弹塑性变形和振动轮跳振等不同压实阶段特点。
This paper advances a nonlinear dynamic model dealing with the jump vibration for the drum of a vibratory roller.
应用一种国产油阻尼器进行了斜拉索实索减振试验研究。
A full-scale cable vibration mitigation experiment was conducted by using a 215 meters long stay-cable and a set of oil dampers.
应用一种国产油阻尼器进行了斜拉索实索减振试验研究。
A full-scale cable vibration mitigation experiment was conducted by using a 215 meters long stay-cable and a set of oil dampers.
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