Based on the characteristics in the strength of coal seam under the action of the ground pressure, the impact coal cutting is achieved in the coal winning technique by using the impact cutting tool to impact, split and cut the coal on the coal wall.
根据采煤工作面煤壁受地压作用后煤体强度降低的特点，利用冲击刀具对煤壁进行冲击劈裂，在回采工艺上实现了冲击式落煤。
To the cracks on the bottom of the slabs,the effect of water is just like the uniform forces assigned on the crack face which lead to the cracks to split.
对于板底裂纹而言,水的作用相当于在裂纹面上施加了促使裂纹扩展的均布劈裂力,运用断裂力学原理揭示了水对裂纹的劈裂作用,同时采用平面有限元从应力角度考察了水压对裂纹的劈裂影响。
Plain high strength concr ete and plain normal strength concrete,fiber high strength concrete and fiber no rmal strength concrete were tested respectively with split test and their capaci ty to resist propagation of.
通过劈裂试验测试了混凝土的抗裂纹扩展能力与卸载后的裂纹闭合能力 ,获得了具有不同扩展宽度的裂纹 ;然后通过对带裂纹试件的水渗透性试验 ,确定了裂纹宽度COD (CrackOpeningDisplacement)对混凝土渗透系数Kf 的影响关系 ;通过研究劈裂试验中获得的纤维对卸载后裂纹闭合能力的提高关系 ,可以推知纤维对渗透系数的影响。
Dependence of polar Kerr effect on electron spin exchange splitting;
极向Kerr效应对电子自旋交换劈裂的依赖性
The results indicate that the conductance and the resonant splitting are dependent on the structural dimension, the number of quantum dots and the strength of negative potential.
计算结果表明,电导图谱及其共振峰的劈裂依赖于量子点的几何尺寸、量子点的数目及量子点中势的大小。
On the basis of the theory,the paper analyzes the effects,such as permeability,compaction and splitting,of post-grouting to pile shaft and soil around pile tip qualitatively,and the paper also analyzes the change of front-to-back bearing capacity and its influencing factors.
本文应用柱形塑性扩张理论对灌注桩后压浆的最终扩张压力与扩散半径进行推导和计算,定性分析了后压浆对桩侧,桩端土产生渗透、压密、劈裂三种效应机理,应用经验公式分析了压浆前后承载力的变化及其影响因素,通过工程实例总结得出相关结论,对于同类工艺的技术参数选取有现实的指导意义。
Several suggestionsto improve the method of testing cleavage strength were presented.
对金属胶接接头劈裂强度测试方法和影响劈裂强度的主要因素的作用进行了分析与讨论。
Based on stress analysis of soil mass in the course of cleavage grouting,the cleavage type of different kinds of soil mass is discussed in this paper.
本文通过对劈裂灌浆过程中土体的应力分析，探讨了不同类型土体劈裂形式，从而对劈裂灌装加固土体的机理得到了较好的解释。
The results of producing the splitting crack during the construction of grooving cutoff wall are analyzed and the treatment measures and put forward,such as improving the slurry quality, reducing the length of slot and reducing the time of waiting for pouring, excavation of decompression wall, grouting by cone probe and so on.
根据同马大堤堤防防渗墙开槽施工中产生劈裂裂缝的现状,探讨了劈裂裂缝与锯槽段长度、堤身高度及槽深的关系,分析了产生劈裂缝的原因,提出了几项行之有效的处理措施。
Analysis of pillar stability in hard rock mass by longitudinal splitting based on catastrophe theory;
硬岩矿柱纵向劈裂失稳突变理论分析
Lorentz line-splitting theory
洛伦兹谱线劈裂理论
To break up(ore, for example)with a gad.
用钢楔劈裂（如矿石等）
a tree riven by lightning
一棵被雷电劈裂的树
Dynamic Split Tension Strength of Marble and the Properties of Crack Initiation and Crack Propagation under Dynamic Split Tests;
大理岩动态劈裂拉伸强度和裂纹起裂扩展特性
A wooden wedge for cleaving rock.
木楔用来劈裂岩石的木楔
testing methods for cleavage strength of adhesive bonds
胶粘剂劈裂强度试验方法
Brazilian test of rock
岩石的巴西劈裂拉伸试验
The Technology of Spliting and Filling with Mud in the Embankment Dam of Nan Lin Reservoir
南林水库土坝坝体劈裂灌浆施工技术
Investigation of the control pressure design of the splitting grouting in the body of a soil dam
土坝坝体劈裂灌浆控制压力设计探讨
Improvement of Stress in Earth Dam by Splitting Grouting
劈裂灌浆改善土坝坝体应力状态研究
Quarrying Granite with Water Split by Detonating Fuse Blasting
导爆索水压劈裂爆破开采花岗岩石材
Rock Splitting Mechanism Numerical Simulating Analysis of the Rock Drill-splitter;
钻孔劈裂器破岩机理的数值模拟研究
Test Study on Characteristic of Hydraulic Fracturing in Core of Earth-rockfill Dam
土石坝心墙料水力劈裂特性试验研究
Regularization of Breit Potential and Splitting of η_c-J/ψ
Breit势的正规化与η_c-J/ψ的劈裂
Analysis and discussion on the mechanism of split grouting and its construction technology
劈裂灌浆的机理分析及施工技术探讨
RECENT DEVELOPMENT IN NUMERICAL SIMULATION OF HYDRAULIC FRACTURING ON CORE WALL OF EARTH-ROCK FILL DAM
土石坝心墙水力劈裂的数值研究进展
Study on Hydraulic Fracturing in Core of Earth-rock Fill Dam Based on Fracture Mechanics;
基于断裂力学的土石坝心墙水力劈裂研究
Study on Hydraulic Characteristics of Fractured Media under Hydraulic Fracturing;
水力劈裂条件下裂隙介质水力特性研究