提出用边切槽圆盘试样测量岩石动态断裂韧度的实验方法。
An experiment on dynamic rock fracture toughness test using edge-notched disc specimen is presented.
因此研究切槽定向断裂控制爆破的爆破机理及相关参数，具有十分重要的意义。
Therefore, it is very important to study the mechanism and the related parameters of notched directional splitting controlled blasting.
本系列是万能型立式车床，可用于内外圆柱面、圆锥面、端面、切槽等粗、精加工。
This series are universal type VTL, and we can use for inside and outside cylindrical, conical, end and notch of roughing and fine machining.
软土中的机械预切槽法是超前支护的一种，在预筑拱的保护下可以安全高效地开挖隧道。
The Mechanical pre-cutting method used in soft ground is a kind of preparative support, it allows tunnel excavation work to be conducted efficiently under the safe pre-lining.
如果过渡段被电镀(倒角和内切槽)将会产生应力集中，造成裂纹。
Plating into a transition (radius transition or undercut) will create a stress concentration that can cause crack initiation.
本文针对硬质合金刀具切削中硅铝合金活塞槽存在的问题，研制出一种新型人造金刚石切槽刀。
For the problems that exist in cutting medium silicon aluminium alloy piston grooves with carbide tools, this paper presents a new kind of artificial diamond grooving tool.
发热部是双螺旋切槽，在电流通过时可以减少其横截面积，因而发热部的阻值比冷端部的阻值大。
The hot zone is formed by cutting a double spiral slot which reduces the cross sectional area through which current flows, resulting in higher resistance than the cold end.
详细讨论了“V”型切槽在冲击波的动态压力和爆轰气体的准静态压力作用下所产生的力学效应。
The mechanical effects produced by the V-shape notch, which is under both the dynamical pressure of explosive shock wave and the quasi-static pressure of explosive sas, are discussed in detail.
处理方案主要包括骑缝切槽、水下灌浆、骑缝切V形槽、嵌压SR止水材料、粘贴SR防渗盖片等。
The treating schemes were included the followings: slotting across cracks, grouting under water, V-shaped slotting across cracks, caulking SR materials, pasting impervious SR cover sheet.
融合不当可能会改变要求的喷丸层或在镀层边沿产生内切槽或凹槽，可能会造成使用过程中产生裂纹。
Improper blending can remove the required shot-peened layer or create undercuts or grooves at the edge of the plating that can cause cracking in service.
螺旋槽成形铣削时普遍存在根切现象，在很大程度上影响到加工精度和几何形状。
Usually, there exist undercutting phenomena in helical groove milling process, which affect the accuracy and geometrical shape greatly.
根据零件的孔、槽等剖切特征，提出基于优先度和基于图遍历的两种自动搜索关键特征产生剖切线的算法，并分别结合实例进行了比较。
This paper proposes two algorithms based on priority analysis and graph traversal respectively to automatically choose the section cut of key features such as holes and slots.
介绍了非谐振缝隙组成的漏波波导行波天线，它是在矩形波导宽面切铣间距密集的横向短槽构成的线阵；
The leaky-waveguide traveling wave antenna of the closely spaced transverse nonresonant slots cut in the broad face of a rectangular waveguide.
目的观察下颌第一磨牙半切术后两种双端固定桥修复对牙槽骨应力分布的影响。
ObjectiveTo observe the effects of the two kinds of rigid fixed bridge design on the stress of the alveolar bone of mandibular first molar after hemisection.
在黄淮地区破裂井壁治理技术中，开切环形卸压槽是最关键的技术之一。
In the prevention techniques of fracture shaft lining in the Yellow and Huai River areas, the channeling of circular relieving slot is one of the key techniques.
结果表明：（1）三峡坝区河谷深槽是在三峡地区构造抬升过程中，水流顺构造裂隙强烈侵蚀下切而形成的；
The deep troughs on the Three Gorges valley bottom are formed by river downcutting along the structurally zones on the background of regional tectonic uplift.
叙述了无切巷拉槽采矿方法的施工工艺、机理、优点及产生的经济效益。
The construction process, mechanism, advantages of and economic profit got from the no-cut gallery mining method are outlined.
叙述了无切巷拉槽采矿方法的施工工艺、机理、优点及产生的经济效益。
The construction process, mechanism, advantages of and economic profit got from the no-cut gallery mining method are outlined.
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