| 1. | Analysis on cause of crack formation in beam of linear vibration screen 直线振动筛横梁产生裂纹的原因分析 |
| 2. | Crack formation and development in thermal barrier coatings made up of functionally gradient materials 功能梯度热障涂层热震裂纹的形成和扩展 |
| 3. | Cause analysis of crack formation on the ash - ward slope of zishan dam and measures of prevention and cure with grouting 紫山灰坝迎灰坡裂缝成因分析及灌浆防治对策 |
| 4. | Vitreous and porcelain enamels - determination of crack formation temperature in the thermal shock testing of enamels for the chemical industry 釉瓷和搪瓷.化学工业用瓷釉的热冲击试验中裂缝形成温度的测定 |
| 5. | The article instroduces the subjective and objective reasons for crack formation on concrete roads . the cracks are caused by human beings , environment and weather etc 摘要介绍了混凝土路面形成裂缝的人为及环境、气候等主客观原因。 |
| 6. | Vitreous and porcelain enamels - determination of crack formation temperature in the thermal shock testing of enamels for the chemical industry iso 13807 : 1999 ; technical corrigendum 1 : 2000 釉层和瓷漆层.化学工业用瓷釉在热冲击试验中断裂形成 |
| 7. | This paper first discusses the cause of crack formation and crack mechanism of high performance concrete . then carries out crack tests of three groups of concrete slabs using aggregate type , sand rate and dosage of fly ash as design parameter 本文初步探讨了泵送高流态混凝土的裂缝成因和开裂机理,并分别以骨料品种、砂率以及粉煤灰掺量为设计参数进行了三组配合比混凝土平板的抗裂试验。 |
| 8. | Based on the mechanism of hot cracking formation of castings , the cracking defects of furnace door frame castings was analyzed , and found that the main reasons causing cracking are as follows : construction of the casting was not reasonable , gating system was not proper , and pouring temperature was too high 摘要根据铸件产生热裂纹的机理,对炉门框裂纹缺陷进行分析,找到了裂纹产生的主要原因是铸件结构和浇注系统不合理,以及浇注温度过高。 |
| 9. | " second , jhe failure process of lpg vessel usually includes two phasest the crack formation and the crack propagation . after the temperatat field distribution and the iil . stress field distribution of lpg vessel without cracks are calculated , the stress intensity factor of lpg vessel with initial radial crack as well as surface crack are calculated and analyzed 其次,液化气容器的失效过程通常分为裂纹形成和裂纹扩展两个阶段,本文在对无裂纹液化气容器的瞬态温度场和应力场进行了计算后,对含有初始表面裂纹的液化气容器的瞬态应力强度因子进行了计算和分析。 |
| 10. | Through the research and analysis on the three aspects concerning the base interface of the pavement panel , crack accumulation , expansion in the pavement panel and interaction between spring plates on the road surface as well as its damage on the road fatigue , it is first brought forth that the process of fissures and breakage in the cement concrete pavement can be divided into three stages , i . e . stage of initial crack formation and damage in the bottom of the pavement slab , stage of accumulation , intensifying & expansion in ruptures from load during the time of use and stage of fissures & breakage in the pavement 通过对路面板底界面开裂、路面板中裂缝积聚、扩展和路面表面车板相互作用及其对路面疲劳破坏的影响等三个层面的研究和分析,首次提出水泥混凝土路面的开裂和破坏过程可以分为三个阶段,即路面板底初始损伤西南交通大学博士研究生学位论文第11页和早期裂缝的形成阶段、使用期间荷载作用对路面造成的开裂损伤累计、加剧和裂缝扩展阶段以及路面断裂破坏阶段。 |