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1)  vibration hierarchical classification
振动分层
1.
Experimental determination of the test weight and suspension velocity of the rapeseed kernel and husk and research on the rapeseed hull-kernel vibration hierarchical classification were presented for structure design and the choice of operating parameters of the kernel husk separator of rapeseed.
为给油菜籽仁皮分离机的结构设计和操作参数选用提供可靠依据,试验测定了油菜籽仁、皮的容重和悬浮速度,并对油菜籽仁皮混合物的振动分层进行了试验研究,采用数理统计方法建立数学模型,探讨了振动强度对油菜籽仁皮振动分层效果的影响。
2.
For improve the rapeseed kernel husk separation performance,The rapeseed hulls-kernels vibration hierarchical classification,that the key technique affecting rapeseed kernel husk separation rate,was studied by the method of three factors and secondary regression.
为提高油菜籽仁皮分离效果,采用3因素二次回归通用旋转组合设计对影响油菜籽仁皮分离效果的关键技术———油菜籽仁皮混合物的振动分层进行了试验研究。
2)  vibration and compaction in layers
分层振动碾压
3)  multi-deck vibrating separator
多层振动分选机
4)  vibration analysis
振动分析
1.
Vibration Analysis of S385 Diesel Engine and Its Influences on Vehicle;
S385型柴油机振动分析及其对整车振动的影响
2.
A survey of engineering structural damage identification methods based on vibration analysis;
基于振动分析的工程结构损伤识别技术综述
3.
Vertical vibration analysis of transversely isotropic saturated soils with elastic superstratum;
上覆弹性土层横观各向同性饱和地基竖向振动分析
5)  vibrational analysis
振动分析
1.
MP2 and B3LYP methods with AUG-cc-pVDZ basis sets are performed to optimize the 10 kinds of possible isomers of phosphorous clusters P_(5) and their cations and anions,and the converged results are verified by vibrational analysis in order to get the stable equilibrium geometries.
用MP2和DFT的B3LYP方法,在含有弥散函数的cc-pVDZ基组水平上,对磷原子团簇P5及其正、负离子可能存在的10种同分异构体进行扫描式优化,并通过振动分析对收敛的结果进行验证,以确定是否是稳定的平衡几何构型。
2.
For all optimized configurations,there is no imaginary frequency in vibrational analysis.
本文选择 7种 1 异丙基环己硅烷 取代联苯基乙烷系列化合物 ,以SCF—MO—AM1 [3] 和PM3[4] 两种方法 ,优化出它们稳定的几何构型 (分子的总能量最低、核—核排斥能最小 )并对其作了振动分析 ;同时计算了标题物在该稳定构型下的电子结构和若干基本性质。
3.
The force constant matrixes of all critical poins (the reactants,the transition state and the products)of the reaction CH3+H2O→CH4+OH were computed by vibrational analysis at the UHF level for 6-31G basis sets.
用振动分析方法在UHF水平6-31G基组下计算了反应CH3+H2O→CH4+OH的所有驻点(反应物、过渡态和产物)的力常数矩阵。
6)  analysis of vibration
振动分析
1.
Based on an analysis of vibration of rotor-bearing system, the method for measuring rotor amount of unblance with hard bearing and soft bearing system is proposed and the theory base for design and application of tire dynamic balancing machine is given.
通过对车轮平衡机的转子—支承系统的振动分析,提出了硬支承系统和软支承系统对转子不平衡量的测量方法,为车轮平衡机的设计与使用提供理论依
补充资料:点振子振动和点电极振子振动
分子式:
CAS号:

性质:又称点振子振动和点电极振子振动。振动能量绝大部分集中在点电极范围内,形成“能量封闭”的振动模式。振子电极面远小于压电陶瓷片的总面积,且与厚度有适宜的匹配关系。在交变电场作用下,沿厚度方向产生振动,其振幅随着至电极中心距离的增加,呈指数式衰减。谐振频率与压电陶瓷片的厚度有关。为提高频率通常将压电陶瓷片磨得很薄,有时考虑到压电陶瓷自身强度太低,可用特制的陶瓷片作垫片来防止压电陶瓷片损坏。常用于高频场合。

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