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The delamination crack and its effect on the fracture of pipeline steel were investigated by drop-weight tear test(DWTT)at different temperature and micrograph analysis. 通过对管线钢不同温度的落锤撕裂试验和微观断口分析,研究了DWTT试样断口的分层裂纹及其对断裂的影响。
In this report, thermal properties includes TGA、DSC、DMA, mechanical properties involves tensile test and tear test and morphological properties was analyzed by using XRD. 热性质进行之项目有：TGA、DSC、DMA；机械性质进行之项目有：拉伸试验及撕裂强度试验；型态观察则是使用XRD。
The relationship between crack propagation speed of pipelines and the ductile tearing area of the dropweight tearing test(DWTT) specimens was analyzed from the angle of fracture physics in this work. 管道断裂时的裂缝扩展速度与服役温度和DWTT剪切破裂面之间存在密切的相关性。本文从断裂物理的角度对这种相关性的本质进行了分析。
The effect of solution on fracture toughness of 7A55 aluminum alloy was investigated by optical microscopy, tensile test, Kahn tear test,scanning electron microscopy (SEM) and transmission electron microscopy (TEM). 采用金相组织观察、拉伸实验、Kahn撕裂试验、扫描电镜、透射电镜等方法研究固溶处理对7A55铝合金断裂韧性的影响。
The tear test of the 1420 was based on the ASTM B 871-01, "Standard test method for tear testing of aluminum alloy products". 对1420 铝锂合金,试验按照美国材料试验学会ASTM B 871-01《铝合金产品撕裂试验标准》进行;
To conduct drop weight tear test to DWTT specimen for each kind of notch type of grade X70 pipeline steel under different test temperature conditions and analyzes the related datum during test. 在不同试验温度条件下,对各种缺口形式的X70级管线钢DWTT试样进行了落锤撕裂试验,并对试验中的有关数据进行了分析。
Pit pounds per inch in thickness [tear test] 每时厚磅数[撕裂试验]
A simple test will show if this is real gold. 简单的试验就能证明这是否是真金。
The motor boat was tearing along in the high wind. 快艇在疾风中顺风飞快地行进。
Pupils who pass the test will be promoted to the next higher grade. 小学生只要考试及格就会升到高年级。
Take the book from Alice, she will tear it. 把书从艾丽斯那拿开，她会撕了它的。
The police fired about50 tear gas grenades. 警察发射了约50枚催泪弹。
He held the test tube in his hand thoughtfully. 他沉思地把试管拿在手里。
The soldiers were tearing into the enemy. 战士们正向敌人猛攻。
It will be wise to go over your test paper again. 还是把您的考卷再检查一遍的好。
She shed crocodile tear over his death. 她为他的死而假哭了一场。
Let us show you to see the engine to test. 让我们指给你看要测试的发动机。
He is answering the test paper busily. 他正忙着答考试卷。
She is mending a tear in her dress. 她在缝补洋装上的破洞。
Don't tumble down on this easy test. 这次考试不难，你可别考砸了。