The regional distributions and the development density of fracture are studied by the data such as tectonic curvature, fault data associated with image logging and core description.
利用构造曲率、断层数据结合成像测井、岩心描述等数据，可以对裂缝的区域分布、发育密度等进行研究。
The damage and corrosion of titanium regulating valve is described and the fracture cause of valve core is analyzed.
介绍了钛调节阀的损坏和腐蚀情况，分析了阀芯的断裂原因。
Using calculation of fractal theory, the fractal dimensions of the core structure fracture in granite gneiss and lamprophyre in Chengbei 30 Archaean group buried hill reservoir are1.
应用分形理论计算的埕北30太古界潜山储集体花岗片麻岩和煌斑岩岩心构造裂缝的分维数分别为1。
The craze growth and fracture laws concerning with the craze microstructure are the core of craze toughening mechanism.
考虑银纹细观结构特征的银纹生长和断裂规律是研究银纹增韧机制的核心内容。
Combined with core and fractal data, these maps are used to identify fractures in the top of base rock of an - 1 faulted - block and to predict fracture distribution.
利用这些图件及岩心分析资料，综合分析了安1断块基岩裂缝的分布及发育规律。
Contrast with the core analysis and the material of imaging logging carefully, the identification for fracture was set up in the imaging logging field.
经岩心分析与成像测井资料仔细对比，建立起裂缝在成像测井资料上的识别方法。
Using fracturing fluid dynamic leak-off apparatus, fracturing fluid leak-off rate is tested on the core which containing single artificial fracture.
利用压裂液动态滤失仪，在含有单条人工裂缝的泥页岩岩心上测试了压裂液滤失速率。
Under shock load conditions the peak load can exceed the ultimate bending strength of the core material and fracture occurs, usually at the most highly stressed cross section area.
在冲击负荷下，最大负荷超过了轧辊芯部材料所能承受的最大抗弯曲负荷，发生截面断裂。断裂一般产生于负荷应力为最大的截面。
Objective To compare the fracture resistance and fracture modes of teeth restored with four diferent post-and-core systems.
比较纤维桩核系统和金属铸造桩核系统修复后牙体组织的抗折裂强度和折裂模式。
The author believes that the bearing core is a precondition for leap-frog penetration and for maintaining the constant angle of fracture resulted from the release of the energy absorbed by the core.
认为承压核是造成跃进式侵入和破碎角稳定的条件，跃进式侵入和破碎角稳定是承压核储能释放的结果。
Fractures in deep Eogene clastic rock of Qibei area has been analyzed through core description, scanning micro fissures by electron microscope, testing fracture wrap, and stratigraphic dip logging.
利用岩心描述、微裂缝电镜扫描、裂缝包裹体测试、地层倾角测井等多项资料对歧北地区下第三系深层碎屑岩储层裂缝进行分析。
To evaluate the effects of the different amount of residual tooth on the fracture resistance ability of lower premolars restored with fiber quartz-fiber post-core and full crown.
评价不同牙体剩余量对石英纤维桩复合树脂核全冠修复下颌前磨牙抗折性能的影响。
There are two possible mechanism about spheroidization ofcementite: the fracture cementite lamellae grows up non-uniformly and the fine spherical cementite particles grows up as the core.
渗碳体的球化可能以两种机制进行：破碎渗碳体片的非均匀长大和细小球状渗碳体颗粒的形核长大。
There was no statistical significance (P> 0.05) of the fracture rate of post-core between fiber posts(1) and cast metal posts(1).
纤维桩组与铸造金属桩组桩核折断各1例，差异无统计学意义（P>0.05）；
The results show that these predicted fractures are quite consistent with those from crop and drilled core observations, indicating this approach feasible for fracture quantification.
研究表明，裂缝定量预测结论与野外露头剖面考察及钻井岩心裂缝发育规律吻合较好，说明该方法用于开展裂缝定量描述是可行的。
In cast metal post and core group 4 teeth were found root fracture, 3 cast metal post and core were loose and 8 teeth were with gingival grey line.
而铸造金属桩核组发生根折4颗、铸造金属桩核脱落3颗，出现牙龈色素沉着8颗。
In cast metal post and core group 4 teeth were found root fracture, 3 cast metal post and core were loose and 8 teeth were with gingival grey line.
而铸造金属桩核组发生根折4颗、铸造金属桩核脱落3颗，出现牙龈色素沉着8颗。
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