Structural study on a kind of directional fracture composite;
一种定向断裂复合材料的结构研究
The principle and parameter design of directional fracture blast;
岩巷定向断裂控制爆破原理及参数设计
A new idea about micro-fracture mechanism is proposed to control blasting by directional fracture in view of acting potential mechanism of molecule microstructure.
从分子微观结构的作用势理论出发 ,提出了定向断裂控制爆破的微观断裂机理的新观点。
Considering BS7910 and taking stress intensity factor K_ IC as fracture assessment index,ball-socket axes with semi-elliptic surface crack and circumferential cra.
依据英国标准BS7910,以应力强度因子KIC作为断裂评定参量,进行含半椭圆表面裂纹和环形表面裂纹的球铰轴断裂性能的评定,得到2种缺陷形式的极限裂纹尺寸,结果表明裂纹深度是影响断裂性能的关键特征尺寸。
As the fracture assessment method based on COD theory is replaced by the method based on J-integral theory,it is greatly required simple and convenient,reliable evaluation method of J-integral.
随着以COD理论为基础的断裂评定方法被以弹塑性J积分理论为基础的断裂评定方法所取代,在工程实际应用中迫切需要简便、可靠的J积分估算方法。
Numerical simulation of propagation of oriented crack prefabricated in hydraulic fracturing;
预制定向裂纹水力压裂延伸数值模拟
The splitting Mechanism,charge preparation and testing result of the loaded constitution of directional splitting in rock blasting are introduced.
介绍了一种岩石爆破定向破裂装药结构的破岩原理、制作方法及试验效果。
DEVELOPMENT FOR A DIRECTIONAL FRACTURE COMPOSITE SEALING COVER
一种定向断裂复合材料密封盖的研制
Study on the Mechanism of Notched Directional Splitting Controlled Blasting by Dynamic Photoelastic Method;
切槽定向断裂控制爆破机理的动光弹研究
Application of Directional Rupture Blasting Technology with Energetic Pipe in Rock Roadway Driving
聚能管定向断裂爆破技术在岩巷掘进中的应用
Experimental Research and Analysis of Mechanics on Water-Coupling Directional Fractural Charge
水耦合定向断裂装药结构试验及机理分析
Application of Binding Energy Tube Directional Blasting Technique for Fracture Control in Rock Driving
聚能管定向断裂控制爆破技术在岩巷掘进中的应用
Sintered metal friction materials-Determination of transverse rupture strength
GB/T10422-1989烧结金属摩擦材料横向断裂强度的测定
A new method for quantitative evaluation of vertical seal ability of faults in cap rock
盖层内断裂垂向封闭性定量评价新方法
Quantitative evaluation for vertical sealing ability of faults in overpressure mudstone cap rock
超压泥岩盖层中断裂垂向封闭性的定量评价
Steel bonded tungsten carbides-Determination of transverse rupture strength
GB/T10418-1989碳化钨钢结硬质合金横向断裂强度的测定
" Sintered metal materials, excluding hard metals--Determination of transverse rupture strength"
GB/T5319-1985烧结金属材料(不包括硬质合金)横向断裂强度的测定方法
Metallic powders--Determination of green strength by transverse rupture of rectangular compact
GB/T5160-1985金属粉末用矩形压坯的横向断裂测定压坯强度的方法
Application of Directional Drilling Technology in the Hole WFSD-1 of Wenchuan Earthquake Fault Scientific Drilling Project
汶川地震断裂带科学钻探一号孔(WFSD-1)定向钻进技术的应用
measuring method for stretched with socks
短袜断裂伸长率的测定
FRACTURE TOUGHNESS MEASUREMENT OF ROCK WITH FRACTAL CRACKS USING HYDRAULIC FRACTURING
水力致裂法测定分形裂纹下岩石的断裂韧性
testing methods for breaking force and elongation at break of yarn : single-end method
纱的断裂强力和断裂伸长率的测定法：单经法
testing method for breaking strength and elongation of webbing,tape and braided
绳、带子、编绳的断裂强力和断裂伸长率的测定法
testing method for breaking strength and elongation of woven cloth
机织织物断裂强力和断裂伸长率的测定法
testing method for tensile strength and elongation of filament yarm
长丝纱线的断裂强力和断裂伸长率的测定法