test ring

An ideal floating-head exchanger pressure test positioner, general purpose O-type ring seal pressure test positioner was introduced, and a comparison between packing seal pressure test positioner and C-type ring seal pressure test positioner was also made both in theory and application effect.

介绍了一种理想的浮头式换热器试压胎具&通用O型环密封试压胎具，并在原理上和使用效果上与填料密封试压胎具和C型环密封试压胎具进行了比较。

Traction, braking as well as the dynamic performance tests have been done in the Test Ring of China Academy of Railway Sciences.

机车在铁道科学院环形试验线完成了牵引制动性能及动力学性能等试验。

The principle of force sensors utilizing amorphous alloy ribbon ring and some test results are presented.

还给出了非晶合金带圈力传感器的原理及一些测试结果.

Test Research of Ring Spillway

环形溢洪道的试验研究

A Test Study of Wheel-Rail Ring-Lump Wear

轮轨环块磨损试验研究

The measurement of indentation diameter of samples with φ ≤ 30mm for Brinell hardness test by elliptical ring

利用椭圆环测量φ≤30mm试样的布氏硬度

Micro-analysis on test ring worn surface indicated that, to the composite reinforced by plain carbon fabric, the gap between the carbon fibers and texture provided by the plain fabric caused the oil infiltrate to the friction surface, improving the lubrication effect between the sliding surfaces.

试环磨损表面微观分析表明，平纹织物增强的复合材料，碳纤维之间的间隙及平织物形成的表面纹理使得润滑油能深入到摩擦试环各区域，增强了滑动面流体润滑效果。

As shown by the test results, the ring laser gyro with rate biasing has better accuracy and should be considered for further development.

实验结果表明，速率偏频激光陀螺具有较高的精度，应当重视。

The design, fabrication and test of a semiconductor ring laser with two coupling bus waveguide are reported in this paper.

设计制备了一种双直波导耦合输出半导体环形激光器，并进行了相应测试。

The test shows that BC ring and ring traveler can improve the spinning tension property efficiently, reduce the probability of sudden tension higher than the lowest strength, reduce yarn broken ends and the consumption of spinning apparatus.

试验结果表明，BC型钢领与钢丝圈能有效改善纺纱张力特性，减少纺纱过程中纱条的突变张力值高于其强力弱环的几率，减少细纱断头数量，并降低纺专器材的消耗量。

Analysis by synthesis test of horizontal ring baking furnace

敞开式环型焙烧炉的综合测试分析

Test method for ring bendability of pipeline coatings

管道防腐层环状弯曲性能试验方法

Elastic recovery means that when the applied load is released, the piece returns to its original shape. test method to prove the resistance to initial ring deflection

弹性回复是指当样品所受应力撤销后，其完全回复到初始形状的现象。检验初始环状变形可能性的方法

Experimental Parameters of Fabric Handle Test for Ring-Hole Method

环孔法测试织物手感的因素及测试参数的优选

The countering error in the test of ring laser gyro ( RLG) is discussed in detail.

详细讨论了环形激光陀螺（RLG）误差测试中的计数误差。

Macrophage Endocytosis test and? Rose Ring Formation test proved that CS-TF can enhance immunological functions.

通过巨噬细胞吞噬试验及E玫瑰花环形成试验证明，CS-TF能增强机体的免疫功能。

Avouched quality measures of machinery are analysed of compact spinning? Contradistinguished quality to ring spinning through experiment and test spinning.

通过纺纱试验和测试数据分析对比，证明紧密纺纱质量优于传统纺纱。

Spot evaluation test, which was carried out by the method of corrosion test ring, results show: composite inhibitor is consistent to saturated saltwater drilling fluids, its inhibition efficiency is about 90%.

运用腐蚀试验环法进行现场评价试验，结果表明：该复合缓蚀剂和饱和盐水钻井液配伍性良好，现场缓蚀率达到90%左右，效果明显。

This article introduces the working principle, structural types and characteristics and the performance inspection of the floating ring seals and analyzes several factors which may affect oil leakage rate of the floating ring seals, whose aim is for reference for design and test floating ring seals.

本文介绍了浮环密封的工作原理、结构型式和特点，以及浮环密封的性能检验，分析了影响浮环密封漏油量的几种因素，为浮环密封的设计和试验提供参考。

Making use of the test features of ring shear apparatus, the change law of shear strength of soils under large shear displacement can be studied.

利用环剪仪的试验特点，可以研究土体在较大剪切位移下抗剪强度的变化规律。

Contrast Test of Reinforcement Penetration Method and Ring Sampler Method for Sand Filling Compactness

填砂密实度的钢筋贯入法与环刀法对比试验

In this paper, the method of pulsating hydraulic test to relief retaining ring residual stress is introduced.

本文介绍了用油压脉动试验的方法去除护环的宏观残余应力。

According to the test requests, octagonal ring dynamometers are arranged on the correct position of the constructing machinery multi-function test platform.

根据试验要求，布置了八角环测力传感器在试验台车上的位置。

A Study on Fatigue Test of the Steel Ring of Metal V-Belt

金属带带环疲劳试验研究

This paper mainly illustrates the full tracing test for steam seal ring made by rolling while being manufactured by X-ray.

钢板卷制汽封圈在切割成弧段时发生不同程度的收缩变形。采用X射线法对汽封圈的制造过程进行了跟踪测试。

Industrial Test of Large Particle Ring Vanadium Catalyst

大颗粒环状钒催化剂应用试验情况

After simulation test and study on the construction of long span stone arch bridge, it is understanded that the combined effect between arch ring and arch center formed in advance is clear and the stress of arch ring is closely related to the process of construction.

施工模拟试验表明，特大跨径石拱桥在分环分段砌筑时，先期形成的拱环与拱架的联合作用明显，拱圈应力与施工过程密切相关。

This paper expatiates a suit of software and hardware design for displacement test of ring valve to piston compressor, and dissertates the principle and structure of the eddy current displacement sensor for ring valve.

介绍了一套活塞式压缩机环状阀阀片位移检测系统的软、硬件设计以及阀片位移检测用电涡流位移传感器的原理和结构。在线计算实时精度，系统不必标定，大大简化了检测过程。