查询词典 cracking

Based on such problems as cracking and breaking of walking beam in running,a type of resistance measuring technology is used to make static and dynamic stress measurement for leading components such as walking beam and rear horsehead,and the results show that the walking beam is subjected to a tensile stress by driving holes.

双驴头抽油机是油田广泛采用的一种节能型抽油机，针对运行中产生的与后驴头连接处的游梁裂纹、断裂问题，利用电阻应变测量技术对该型抽油机游梁、后驴头等主要承载构件进行了现场静、动态应力测试。

The studies show that the nonlinear concrete model has great effects on the dynamic open displacement of contraction joints subjected to intense earthquake because of the nonlinear softening and local damage and cracking. This is very important to the performance of the water-tight in contraction joints.

研究表明，由于在地震过程中的混凝土非线性软化以及局部损伤开裂的影响，非线性拱坝横缝的开度及分布与采用线弹性砼本构关系计算结果有明显的不同，这对于横缝止水的设置具有重要影响。

The trial research process of the anti-cracking waterproof agent of concrete ASA and its functions are introduced and discussed from the angles of shrinkage-compensating and waterproofness of material.

从混凝土的补偿收缩和材料防水角度讨论了混凝土抗裂防水剂ASA的试验研究过程及其性能，在多种材料配比中，经过多种组合试验，选取膨胀性、抗渗性较好的组合。

Tensile welding residual stress existing in stainless steel weldment is the essential factor resulting in stress corrosion cracking.

不锈钢焊接接头的焊接残余拉应力为焊接构件发生应力腐蚀开裂提供了应力来源。

Morgenes," he said a moment later, his voice cracking,"those... those whoreson bastards killed my men. They ambushed us.

Morgenes，"过了一会儿他说，他的声音嘶哑，"那些……那些私*生*子们杀了我手下的士兵们，他们伏击了我们。

The possible areas of wrinkling and cracking in the course of stamping are determined.

通过比较，讨论了两者在处理间题时存在的差异。

The subject of this study is mainly to investigate the effect of improving the property of common asphaltic mixture when an appropriate amount of waste rubber powders are added on resisting low temperature cracking with the split cylinder test, the little beam bending test, the bhringkage test and unconfined compressive stress test of laboratory-compacted specimens.

本研究主要应用劈裂试验，小梁弯曲试验，收缩试验和无侧限抗压试验考察了在普通沥青混合料中掺适量废胶粉后对低温抗裂性能的改善效果。试验结果表明：掺3—5％的废胶粉，可以降低沥青混凝土的低温弹性模最和增大其变形均达1—3倍，玻璃化转变温度也比普通沥青乱凝土的低10℃以上。

The catalytic cracking of PS thermal product is assumed to proceed via carbonium ion species during which the oligomers appear to be more active.

通过PS在小型固定床反应器中热解及热解-催化结果的对比研究，就二者的产物分布差异探讨了PS热解-催化过程的正碳离子反应机理，对主要反应产物的生成途径作了推断。

Catalytic cracking ; VGO ; catalyst ; carbonium ion ; reaction mechanism

催化裂化；减压蜡油；催化剂；正碳离子；反应机理

The analysis of the products shows that the cracking, aromatization and isomerization reaction of hydrocarbons such as octane and benzene-n-octane over the nanoscale HZSM-5 catalyst followed the carbonium ion mechanism.

产物分析结果表明，烃类在纳米HZSM-5催化剂上的裂解、芳构化和异构化等遵循正碳离子机理。

And Pharaoh spoke to Joseph, saying, Your father and your brothers have come to you.

47：5 法老对约瑟说，你父亲和你弟兄们到你这里来了。

Additionally, the approximate flattening of surface strip using lines linking midpoints on perpendicular lines between geodesic curves and the unconditional extreme value method are discussed.

提出了用测地线方程、曲面上两点间短程线来计算膜结构曲面测地线的方法，同时，采用测地线间垂线的中点连线和用无约束极值法进行空间条状曲面近似展开的分析。