查询词典 rolling friction

Fingerprint identification (sometimes referred to as dactyloscopy) or palmprint identification is the process of comparing questioned and known friction skin ridge impressions from fingers or palms or even toes to determine if the impressions are from the same finger or palm.

指纹识别（有时称作dactyloscopy ）或掌纹识别的过程中是比较质疑和已知摩擦皮肤脊展示由手指或手掌，甚至脚趾，以决定是否展示的是来自同一个手指或手掌。

According to the variations in friction coefficient, wear rate, temperature of tribo-pair and tribo-surface micro hardness with time, the tribological process lubricated by oil containing Mg_6Si_4O_(10)_8 shows quasi-periodicity with characteristic of damped oscillation, and quasi-period is 200 h; micro-hardness of the worn surface is one time higher than that of 45~# steel substrate.

在实验室条件下，验证了主要组分为Mg6Si4O108的金属磨损自修复剂在45#钢摩擦副表面形成修复保护层的能力，得到了厚3～6 μm的反应层；采用Falex型摩擦磨损试验机进行了长达400 h的摩擦磨损试验，研究了在Mg6Si4O108润滑下45#钢摩擦副的摩擦磨损性能、摩擦副摩擦表面显微硬度和温度随时间变化的情况。

Characteristics of free vibration and forced vibration of a damped system with dry frictional damping,viscous damping and c x·2 damping are analyzed and calculated,acceleration response of free-vibration of the dry frictional damped system has a sudden change when x· is zero,the change value is constant and depends only on the natural frequency ωn and the displacement xk due to dry friction.

本文对存在干摩擦阻尼、粘性阻尼和c.x2阻尼系统的自由振动及受迫振动特性进行了解析及数值计算，得到干摩擦阻尼系统自由振动的加速度响应在速度零点有一突变，这一变化量为定值，且只与系统固有频率ωn及摩擦当量位移xk有关。

As a kind of material with dry friction damping characteristics, metal rubber is used in many fields.

利用干摩擦元件的耗能机制来抑制结构的振动水平，是一种非常有效的减振和隔振措施。

To investigate the relationship between dandification mechanism of SiO2 particles and materials performance under different friction speeds, Cu-graphite-SiO2 sintered materials were prepared through powder metallurgy. The tests were conducted on a pin-on-disk tester in speed range of

摘 要：采用粉末冶金技术制备铜石墨SiO2烧结材料，利用销盘式摩擦试验机，在摩擦速度为7.8~47.1 m/s的范围内，研究SiO2在不同摩擦速度条件下的损伤机理及其与材料性能的关系。

The article,which is based on two versions of the excavated literature—Qin's Daybook in bamboo slips form,discusses the marriage,conjugal relation,children and other personal relations within a family.The author thinks there were many possibilities for the development of the conjugal relation,such as living in harmony,spoiled by death,divorce,separation and constant friction.

秦代婚姻中的夫妻关系存在着和睦恩爱、感情不和、分居、离异等状况；在家庭中，人们关心子女的数量、性别、健康状况和未来的职业，希望子女富和贵，也表明时代的总特征带来了社会身份变化的可能性。

At the same time, the quiet strength analysis to the pile foundation shows that the friction of the pile side is similar with the dead load test result.

同时对桩基进行了静力分析，桩侧摩阻的分布与静载试验的结果较相似。

The dependence of internal friction on annealing temperature and annealing time is experimentally investigated for amorphouse alloys Pd_(80Si_(20) and Ni_(80)P_(20), the streched exponent function is used to fit the decay law, M= exp.

考虑到非晶态合金（Pd_（80）Si_（20），Ni_（80）P_（20））结构上存在的涨落将导致弛豫激活能谱呈现为一种宽的关联分布，从而修正了传统的激活能模型，并由此得到了4种类型的弛豫函数。

The results show that the increase of surface friction drag and deformation temperature can effectively accelerate the densification.

结果表明，增大试样表面的摩擦阻力，并适当提高变形温度可有效促进致密化过程。

And then, the internal friction and dielectric relaxation techniques are also simply descried as the main measurement methods in our research work.

对于研究中所采用的内耗和介电弛豫两种主要的实验方法也一并作了介绍。

He studied their excrement for evidence of livestock hair.

他为家畜毛的证据研究他们的粪便。

Loneliness is not grounds for deportation, deportation of the people are not all lonely people.

寂寞也不是放逐的理由，放逐的人也并不都是孤独的人。