The reasonable selection of the mix design of pavement wearing course during the old road improvement about national expressway

Basing on Archard wear model, the rule of die wear is studied by simulation, and the relation between wearing depth and the times of die service is found by means of unitary linearly regression, then the service life of die is previewed.

基于Archard磨损模型，对直齿轮温挤压模具的磨损规律进行分析，并利用一元线性回归法，找出模具表面磨损深度与服役次数之间的关系，以磨损值为判据，预测模具的使用寿命。

The wearing depth distribution of different contact positions of typical kinematic pair is discussed.

研讨了典型运动副不同接触位置的磨损深度分布情况。

In the paper, it shows a wearing test for 28 Cr cast iron and diabase under difference scour-etching an-gles.

通过对28Cr铸铁与辉绿岩铸石两种材料在不同冲蚀角度下的磨损试验以及对其磨损面的微观分析，比较了两种材质冲蚀磨损特性。

Physics experiments of fabrics and wearing test are carried out, conduct a comprehensive study on the thermal-wet comfort of table tennis T-shirt.

通过面料实验、乒乓球运动代谢产热的测量、穿着实验等途径，全面的研究了乒乓球服装的热湿舒适性能。

Based on the analysis of the results of the wearing test, the paper has worked out the plan for matching the friction pairs.

该文通过磨损试验和对试验结果的分析，最终确定了摩擦副的配副方案。

This part describes the designing of the needle bearing testing machine, which is used for the bearing wearing test.

其次，进行了襟翼滚针轴承磨损试验机的设计。

The cross testing method is applied to analyze and design wearing test of sucker rod and oil tube.

运用正交实验法对抽油杆与油管的磨损实验进行分析和设计。

Through the process test 、 wearing test and microstructure observation and analysis, the convention performance of oxygen-acetylene flame spray welded layer is studied.

通过工艺试验、耐磨试验和显微组织观察分析，研究了氧-乙炔火焰喷焊层的常规性能。

Designing Model Equipment of Ball Grinding Mill by Applying Analogue Theory and Its Wearing Test

应用相似理论设计球磨机模型装置及耐磨试验

The grinding burn how to affect the wearing capacity of spindle pivot point and step bearing

磨削烧伤对锭杆锭底摩擦副耐磨性能的影响

Distinguishing Wearing Capacity of the Wheel Tread Contour of Locomotives and Cars

火车车轮踏面磨损量识别研究

A Study on Wearing Capacity of Twist Drill and Chip Breaking Under Low Frequency Vibration

低频振动钻削的工具磨损和断屑问题研究

Adjustment on the Non-contact Measurement Method of Wearing Capacity of Visco-elasticity Material

粘弹性材料磨损量非接触测量法的修正

Research on wearing capacity of composite tooth profile

复合齿形齿轮的耐磨性研究

Determining Method for the Ultimate Wearing Capacity of the Mill Parts

粉磨机零件极限磨损量的确定方法

I noticed that you aren't wearing a ring.

我注意到你没有带结婚戒指

He is wearing a ring today.

今天他戴了个戒指。

Wearing a ring on the right hand would help you to become more optimistic in your life.

戴戒指戴在右手会帮助你在你的生活中变得更加乐观。

Don't worry. I know that he's wearing his ring,

别担心我知道他带了戒指

Results Three imaging manifestations of superior femur vein after wearing ring were found in 42 lower extremities: ( 1) The diameter of femur vein is normal;

结果发现42支股浅静脉瓣带戒环缩术后该静脉上端有3种不同表现：①股浅静脉管径正常。