Lamellar tearing is a kind of brittle fracture in thick plate of steel structures, which usually occurs in cruciform, tee and corner joints. 层状撕裂是钢结构厚板中的一种脆性断裂形式,通常发生在十字形接头、T形接头和角接接头中。
Objective To evaluate the clinical effect of T plate internal fixation for treatment of comminuted distal radius fracture. 目的评价切开复位T型钢板内固定治疗桡骨远端粉碎性骨折的疗效。
Before fracture operation, the memory T& P gauge can wholly record change of down hole temperature and pressure that is lowered to objective formation with fracture testing string. 压裂施工前,随压裂管柱将可存储式温度压力计下入到目的层,可完整记录压裂施工全过程的井底温度、压力变化情况。
Objective: To study the therapeutic effects of "T" compression steel plate in the treatment of comminuted fracture of surgical neck of humerus. 目的:研究应用“T”型加压钢板治疗肱骨外科颈粉碎性骨折的治疗效果。
T type plate for treating distal fracture of radius in middle-aged patientss T型钢板在中老年人桡骨远端骨折中的应用
The Clinical Relationship Between IL-6 Expression and T Cell Subgroup in Traumatic Fracture 创伤性骨折IL-6的表达与T细胞亚群的临床关系
It is shown that the Dynamic fracture toughness of the V-Ti-N steel has sharp temperature transition. Its ductile-brittle transition temperature T_ ( DB) was very sensitive to strain rate and related to the notch acuity. 结果表明,VTiN钢动态断裂韧性具有明显的温度转折特征,其韧-脆转变温度T(OB)对应变速率十分敏感,并与试验过程中缺口的尖锐程度密切相关。
The test results indicate that the linear elastic fracture mechanics ( LEFM) is suitable for the clay. The correlation between fracture toughness K_ ( IC) and tensile strength ot of clay tested and a criterion for mixed mode ⅰ-ⅱ of clay are suggested. 结合前人研究成果,建立了岩土材料的断裂韧度K(IC)和单轴抗拉强度σt间的线性相关关系。提出了所研究土体的Ⅰ&Ⅱ复合型断裂判据。
The fracture systems of oil field T in Jianghan Basin are evaluated by the method to obtain some basic cognizances of fracture distribution and gaining hydrocarbon compounds in the fracture systems. 并应用该方法对江汉盆地T油田的裂缝组系进行了评价,获得了裂缝可能的分布规律及裂缝组系对捕获烃类的有效性等基本认识。
The dynamic fracture initiation toughness of engineering ceramics Al_2O_3 and Si_3N_4 was determined and studied. 研究并测定了Al2O3和Si3N4两类工程陶瓷的动态起裂韧性,给出了K(1d)(t)~K1(t)曲线。
Objective To evaluate the thin thickness high resolution C T ( HRCT) in the diagnosis of skull base fracture. 目的探讨颅底薄层高分辨螺旋CT扫描对颅底骨折的应用价值。
And when ε t indicates the tension resistent strength of the rock, the ε t of tensile fracture is always the tension strain, even if the rock sits are in three-directional pressure. 若岩石的应变抗拉强度由εt表示,即使岩石三向受压,张性破裂的εt始终是拉应变,岩石的抗拉强度由应变来表征似乎更合理。
T The Change of radionuclide bone Imaging During the Repairing Process After Femoral Head Necrosis in femoral Neck Fracture 股骨头坏死修复过程的核素骨显像变化
DCB tests were completed at both room temperature ( R T) and liquid nitrogen temperature ( 77K) to evaluate the influence of temperature and specimen size on the interlaminar fracture toughness. 为了评价测试温度和试样几何尺寸的变化对层间断裂韧性的影响,分别在室温(RT)和液氮温度(77K)条件下对不同尺寸的试样进行了双悬臂梁试验。
Clinical application of T shaped plate to Barton fracture BARTON骨折治疗中T形钢板的临床应用
Lateral decline incision and titanium alloy T plate fixation for scapular fracture 外侧斜切口和钛合金T形塑形钢板治疗肩胛骨骨折
The Application of T Shaped Plate in the Treatment of Comminuted Intra-articular Fracture of the Distal End of Radius 桡骨远端粉碎性骨折治疗中T型钢板的应用
Conclusion: B2 1 type acetabular fractures can be treated with nonoperative therapy, B2 2, B2 3 and T shaped fracture with posterior wall fragment should always be treated with operation. 结论:B21型髋臼骨折可以采用保守治疗,而B22型、B23型和T形+后壁骨折一般采用手术治疗。
Results X-ray can manifest orbit fracture, sometimes it can, t differ orbit fracture from swollen soft tissue as the overlap. 结果:X线虽可显示眼眶骨折,但有时与肿胀软组织重叠而显示不清。
A state-of-art survey in the fracture theory, including J-Q ( K-T) theory, the fracture of interface crack, toughening analysis and the applications of the fractal geometry is presented here. 本文扼要介绍了断裂理论研究方面的最新进展。包括以考虑应力的三轴度发展起来的KT和JQ理论;界面断裂力学的研究;
R, R ', X, P, T sub-fracture planes are developed in the brittle shear zone. 脆性剪切带内发育有R、R′、X、P、T等次级裂面。
It is necessary that the time of which specimen is loaded till fracture must be greater than Δ T when the dynamic fracture test is conducted. 动态断裂试验时,试件从加载至断裂的时间应大于特征时间ΔT,否则试验结果不可靠。
Two_parameter fracture mechanics theory analysis has shown that a decreased a/ W value will result in the decreased T stress, and therefore will conduce the increased plastic zone at the crack tip. 并以双参数断裂理论分析得出a/W值的减小导致了T应力的减小,并由此导致裂纹尖端塑性区的增大。
The transformation volume change and the transformation width of ZrO_2 ( t) on the fracture surface of ZTA ( Zirconia Toughened Alumina) and TZP ( Tetragonal Zirconia Polycrystals) are studied by X-ray diffraction. 利用X射线衍射技术研究了氧化锆增韧氧化铝陶瓷(ZTA)和四方氧化锆多晶陶瓷(TZP)的断裂表面上四方氧化锆ZrO2(t)的相变量和相变宽度。