Millisecond delay technology of high step and deep hole is the first application in China, it offers a realistic method for high step exploitation of middle and small scale limestone mine.
高台段深孔孔内微差爆破技术在我国的首次应用,为中小型石灰石矿山高台段开采提供了切实可行的方法。
The method supplys grinding of deep blind hole a economic and reliable technology.
该方法为深盲孔的磨削加工提供了经济可靠的工艺方法。
The treatment of collapse body by deep hole grouting was described in detail. The construction method and the treatment measures were introduced.
本文就深孔注浆处理隧道塌方体进行了详细阐述,并对该项施工方法和处理措施作了介绍。
The application of finite element method in torsion calculating of deep hole drill is introduced.
介绍了有限元法在深孔钻头扭转计算中的应用。
Serial blasting crater test method was used in underground medium and deep hole mining of Dahongshan copper mine for determining drilling and blasting parameters, and good results were obtained.
大红山铜矿地下中深孔采矿中,采用系列爆破漏斗试验方法确定中深孔采矿凿岩爆破参数,取得了较好的效果。
The main cylinder of hydraulic press is ground by self-made belt grinding device. The method supplys grinding of deep blind hole a economic and reliable technology.
本文阐述了利用自制的砂带磨削装置,对液压机主缸内孔行进磨削加工。该方法为深盲孔的磨削加工提供了经济可靠的工艺方法。
Brought up the new path for safety and validity to use mid deep hole mine method in Fushun Hongtoushan Copper mine.
为红透山铜矿中深孔采矿方法的安全、高效使用提出了新的途径。
This paper introduces the method of blocking water and strengthening of the surrounding rock with deep hole grouting, which not only ensures construction safety, but also protect water resources.
介绍了采用地表深孔注浆固结止水方法加固围岩,既可保证施工安全,又能保护水资源。
Aimed at the problems in processing deep hole and narrow deep slot during die manufacture, electrolyzed processing method and experience of deep hole are introduced.
针对模具加工中,经常遇到的深孔及窄深槽的加工问题,介绍了深孔的电解加工方法、经验。
Realize the function of processing data in deep hole diameter measuring by the wireless sensor network to avoid the malpractice which exists in the traditional method.
由无线传感器网络节点来实现深孔测径中数据采集处理功能,以避免传统方法中存在的弊端。
The test results show that the technology of vertical deep hole presplitting blast is a feasible method in Shi Rengou Iron Mine.
在石人沟铁矿的试验结果表明采用垂直深孔预裂爆破技术在该矿是一种可行方案。
In the light of its practical production, the monitoring method and results of deep hole blasting vibration in Wulongquan Open pit are expounded.
结合乌龙泉露天矿的生产实际,阐述了该矿深孔爆破震动的测试方法和测定结果。
Aiming at the deep hole detection, the method of ring light section is introduced and its principle is analyzed.
针对深孔内膛的检测,对环形光切的测量方法进行了介绍,对其测量原理进行了分析。
The text show the method to transact soft base under subgrade by mudjack, plane furnish, hole site, confirm pressure, deep of bore and technics flow of mudjack.
简要说明压浆法处治路基下软弱地基的方法,平面布置、孔径,确定压力、钻孔深度,以及压浆工艺流程。
In shaft construction, using the method of middle-deep hole explosion can fast and effective build shaft.
在立井井筒施工中,采取中深孔爆破施工方法,是立井快速施工的有效途径。
Medium and deep hole casting blast sublevel open stoping method is suggested and its suitability to the stope ground pressure is expounded.
提出了中深孔抛掷爆破分段空场法,并阐明其对采场地压的适应性。
By analysis of the features of small and deep hole machining of stainless steel and the main relative factors, sums up a simple and viable machining method.
针对不锈钢细长孔加工的特点,对整个加工过程中主要相关因素进行了分析,总结出了一种较简便的、切实可行的不锈钢细长孔加工方法。
In view of the sample which have scanning blind area such as a deep hole, alignment method is presented based on the characteristics of data.
针对存在光学扫描盲区(如深孔)的样件,提出了基于特征的数据对齐方法。
In the detection of deep high-pressure water hazard of coal mine, down-hole electromagnetic method plays a unique role.
在煤矿深部高压水害隐患探测中,井下电磁法发挥着独到的作用。
The method of coal cutting adopts deep-hole blasting and realizes no people in the face, this decreases risk when workers are working in the face.
煤柱回收采用深孔爆破的方法落煤,减少工人在工作面打眼的危险。
Three dimensional finite element computing model is established and the effect of stemming length to deep hole bench blasting is studied by three dimensional finite element method.
采用三维有限元数值分析法,通过建立三维有限元计算模型,分析堵塞长度对堵塞区有效应力场的影响。
In the paper, the charge weight is discussed using the energy method, and the charge weight of the first hole-springing explosion is determined for deep-hole springing blasting.
利用能量方法,对初次爆扩用药量的问题进行了探讨,确定了深孔药壶爆破初次爆扩的用药量。
A method that ar model is applied to condition monitoring of deep hole processing is put forward.
提出一种用时间序列ar模型进行深孔加工状态监测的方法。
The paper introduced the successful application of high bench caving method of using deep hole roller rock bit into the practice of solving the complex goaf area, a stuff problem of this kind.
采用深孔牙轮钻机、利用高台阶崩落法成功地处理了复合采空区,解决了复合采空区处理难的问题,使技术人员在熟练浅采、深采空区处理的情况下,又探索出复合采空区的处理方法。
This paper introduced a new method for it, ie continuous stoping of room and pillar in stages and to fill mined bed with falling roof by deep-hole blasting.
本文提出了一种矿房矿柱阶段性连续回采,深孔放顶处理空区的采矿方法。
Using this method, the computation of the deep hole at Danjiangkou with free sur…
通过对带自由面的丹江口深孔的算例,得到了令人满意的计算结果。
Based on the comparisons in technology economy, rock specification, and surroundings, this paper proposes the deep-hole controlled blasting method.
通过技术经济、石料规格及周边环境等综合因素的比较,提出采用深孔微差爆破方案。
Based on the comparisons in technology economy, rock specification, and surroundings, this paper proposes the deep-hole controlled blasting method.
通过技术经济、石料规格及周边环境等综合因素的比较,提出采用深孔微差爆破方案。
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