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- initial fracture condition 井壁开裂准则
- Cavity effect,fracture condition and mechanical analysis of the lancing cartridge blasting,and mechanism of explosive forming crevice are discussed. 论述了切缝药包爆破的聚能作用，开裂条件与力学分析，以及爆炸成缝的机理。
- The researches show that the main roof initial fracture process,when incline longwall being employed,has three types,and the calculation formula is given,wa also analyzed th... 同时分析了煤层倾角和顶板条件对老顶断裂和矿压显现的影响。
- mortar initial fracture toughness 砂浆起裂断裂韧度
- Sharp edges produce local stress risers that may initiate fracture of the cement mantle and therefore should be aoided. 锐缘可造成局部应力升高而致骨水泥套折断，故应避免。
- Based on maximum load CTOD, the resistance to initiation fracture at different temperatures for base material and butt fusion welding joint of PE pipe were tested, compared and analyzed. 以最大荷载CTOD为基础,对聚乙烯管道的母材及其热熔对接焊接头在不同温度下的抗开裂性能进行了测试、比较和分析。
- Keywords mine hoist;backbone;crackle;fracture condition;extreme size; 矿井提升机;主轴;裂纹;断裂条件;极限尺寸;
- His initial reaction was one of shock. 他最初的反应是震惊。
- Perhaps there is a fracture in the water pipe. 也许水管有裂缝了。
- The initial `h' in `hour' is not aspirated. hour一字中起首的h不发送气音。
- The fracture of his left leg is very serious. 他的左腿骨折情况很严重。
- The fracture caused him intense pain. 骨折给他造成了剧烈的疼痛。
- The start or initial stage; the outset. 开始，开端开始或初始阶段
- After she'd overcome her initial shyness, she became very friendly. 她克服了开始时的羞涩之后，就变得非常友善。
- Discussion on the initial fracture toughness K_(IC)~(ini) in the double-K criterion 双K准则中起裂韧度K_(IC)~(ini)的讨论
- Ok may I have your last name and first initial, please? 好的。请您告诉我贵姓及大名的头一个字母。
- The new aircraft has performed very well in its initial trials. 这种新式飞机在最初几次试飞中表现性能良好。
- The government underwrotethe initial costs of the operation. 政府为该项活动提供了开办时所需的费用。
- Fracture of the leg can be very serious in old people. 老年人腿骨骨折有可能成为严重疾患。
- An ulcer located at the initial point of entry of a pathogen. 初疮病原体最初侵入的那点处的溃疡
- 今日热词
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- 深远海浮式风电平台 - deep-sea floating wind power platform
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- 京雄高速公路 - Beijing-Xiongan expressway
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- 农业及相关产业增加值 - the added value of agriculture and related industries
