对磷酸作为VRLA电池电解液添加剂进行了初期容量和循环寿命试验研究。
Phosphoric acid as an electrolyte additive for VRLA battery was studied by testing the battery initial capacity and cycle life.
研究了二次电池循环寿命试验控制系统的工作原理和电路设计及实现的关键技术。
The work principle and the key technology of a control system used for circulation life test of secondary batteries are presented.
焊点疲劳寿命通常是通过电子组件进行温度循环加速试验来确定。
Solder joint fatigue life is generally ascertained through accelerated temperature cycle test on electrical subassembly.
利用该模型，根据少量试验数据可预示长期冷热循环下的永久变形或工作寿命。
Using this model the permanent distortion and work life in long term under thermal cycling can be predicted based on a few test data.
2010年又对制动盘的结构和材质进行了创造性的技术提升，具有了50万次高强度试验寿命和10循环高温试验寿命。
In 2010 the structure and materials of brake disk was improved technically; it had a service life of 500 thousand high-intensity tests and 10 circles of high temperature test.
电池充电试验、电池容量测量、电池内阻测量、循环充放电寿命试验。
Its measuring and checking included battery charge, battery capacity, battery internal resistance, circulating charge and discharge test.
试验验证了以前在焊缝金属试验中的发现与推断，即工程材料的循环本构存在随机性，与循环应变-寿命关系的随机性一样，是固有的疲劳现象。
In the test, it is verified that the random cyclic constitutive relations, like the wide recognized random cyclic strain-life relations, is an intrinsic fatigue phenomenon of engineering materials.
用循环正交试验研究了该镀液在反复使用时各组分添加量对镀液使用寿命的影响，从而确定了循环施镀的最佳工艺条件。
Influences of addition amount of all components on solution life-span were also studied by cyclic orthogonal experiment, and optimal process conditions were identified.
通过铅膏配方试验，发现制约电池快速寿命的是负极板而不是正极板，制约深循环寿命的主要是正极板。
It was found that the fast cycle life of battery was limited by negative plate, but not by positive plate, and deep cycle life was mainly limited by positive plate.
目前通过多次试验正极板深循环寿命可超过450次，快速寿命可超过800次。
After many tests, the deep cycle life over 450 times and fast cycle life over 800 times of positive plate were reached.
研究了保证试验对钙钠玻璃的循环疲劳强度及寿命的影响。
The effect of proof test on the fatigue strength and lifetime of soda lime glass specimens is studied.
引入了概率循环应变—寿命曲线描述低周疲劳循环应变—寿命试验数据的分散性。
To model the random cyclic strain life relations during low cycle fatigue, probability based cyclic strain life curves are suggested.
结果表明，在常温充电-低温放电循环试验中，电池的循环寿命次数仍能达到200次的要求，证明了镉镍蓄电池良好的耐高温性能。
Results of evaluations to date indicate that the number of cycle life attains standard target of 200 times, which reflect good high temperature performance.
在高低周复合疲劳研究中采用了正交试验设计的方法，并以此为基础综合研究了低周应力、高低周应力比、高周循环次数和高周循环频率对复合疲劳寿命的影响及其机理。
Based on the orthogonal test design, this paper studied the effect of low cycle stress, high-low cycle stress ratio , high cycle number and high cycle frequency on complex fatigue life.
目的研制冷热循环机械载荷咀嚼模拟疲劳试验机来人工模拟口腔环境的温度变化和咀嚼负荷，检测口腔材料的疲劳寿命。
Objective to design a new kind of thermocycling and mechanical loading (TCML) chewing simulator and test the chronic fatigue characteristics of dental materials and prosthesis.
力学试验，以确定循环寿命、疲劳寿命、振动性、温度限制和压力的限制。
Mechanical tests were conducted to determine cycle life, fatigue life, vibration resistance, temperature limits, and pressure limits.
力学试验，以确定循环寿命、疲劳寿命、振动性、温度限制和压力的限制。
Mechanical tests were conducted to determine cycle life, fatigue life, vibration resistance, temperature limits, and pressure limits.
应用推荐