Several cases of roof bolting application in various mining and geological conditions were described.
在不同的采矿地质条件下,进行了多种顶板锚固应用研究。
It has some reference value for the study of model experiment in mining and geological engineerings, etc.
本文的研究结果对于采矿工程和地质工程等问题的模拟实验研究具有一定的参考价值。
They are suitable for the piston bars of sludge pumps, nozzles for sludge and spare parts for machines in mining and geological prospecting.
适应于地原矿勘探用泥浆泵活塞杆、泥浆喷咀及机械配件。
Non-mining fracturing of shaft lining is a special engineering geologic hazard and is caused by interaction between mining and geological environment.
立井井筒非采动破坏是一种特殊类型的工程地质灾害,是人类采矿活动和地质环境相互作用的结果。
The fracture of shaft lining is a special type of engineering geologic disasters and is caused by interaction between mining and geological environment.
立井井壁破坏是一种特殊类型的工程地质灾害,是人类采矿活动和地质环境相互作用的结果。
The successful creation of mining and geological standard library provides the necessary conditions for the research and application of mine-map digital design, drawing and management.
采矿地质标准图库的创建成功给矿图数字化设计、绘制与管理技术的研究和应用提供了必要的条件。
The geological signal will be clear from industrial-scale mining, damming, deforestation and agriculture, as well as the concentration of carbon in the atmosphere and nitrates in the oceans.
工业规模采矿、建水坝、砍伐和农业,以及大气中的碳浓度上升和海洋中的氮浓度增高都是明显的地质学标记。
For practicability, AHP is introduced for solving the weight problem in the model to deal with the complex geological factors and their diverse influences on mining.
引入层次分析法和权值解决地质因素复杂并且对开采影响程度不同的问题,使模型更具有实用性。
Previously prospecting and geological condition evaluation of uranium ore is based on traditional mining method.
以前铀矿床的勘探和地质条件的评价是基于传统的开采方法来评定的。
This paper systematically introduces the geological setting, reserves, disequilibrium, mining and ore-processing in Juniper Ridge uranium deposit.
本文系统介绍了朱尼珀山铀矿床的地质背景、储量、不平衡、采矿和矿石选冶过程。
The geological characteristics the main problems in mining, exploration engineering and mining management are discussed in Shanzaoling gold mine.
阐述了山枣岭金矿的地质特征、开采中的主要问题、探矿工程和采矿管理。
Outliers problems may be present in sampling surveys. Outliers, called extreme high grade data in geological prospecting and mining engineering, usually correspond to very high grade mineralization.
特异值问题可能存在于许多抽样调查之中,特异值在地质勘探及采矿工程中称为特高品位,它一般对应于高品位的矿化作用。
Mining project should be carried out by combining hydrogeological survey with geological survey of previous period so as to establish basic hydrogeological condition and correlated parameters.
煤炭开采工程应该把水文地质勘察工作与前期地质勘探工作结合进行,以查明基本的水文地质条件与相关参数;
All of the entities of natural geological and mining engineering are three-dimensional spatial entities. And mine producing and activities are in the true three-dimensional geological environment.
矿山中的自然地质实体与采矿工程实体,都是三维空间实体,并且所有的矿山生产与组织活动均是在真三维地质环境中进行的。
Evaluation of reserves is the heart of geological reliability evaluation of deposit, and it is the key step of mining engineering.
储量评价是矿床地质可靠性评价的核心内容,也是采矿工程中的关键环节。
This paper summarizes the effect and measure of limestone mining on geological environment so as to provide better environmental protection in the process of mining.
阐述石灰石矿开采对地质环境造成的影响及应采取的防治措施,为石灰石矿山开采地质灾害防治提供依据。
Mining activities in the district affect the natural landscape and eco-environment of the mines, lead to geological disasters like landslide, collapse and land subsidence.
采矿不仅破坏了自然景观和矿山生态环境,也造成滑波、崩塌和地面塌陷等地质灾害。
The writer proposed mining technological method to lower water pressure and grouting to prevent water inrush, after studying the geological and hydrogeological characteristics in this coal mine.
笔者通过对该矿地质及水文地质特征分析,提出局部疏干降压和注浆截流的开采技术途径。
This paper explains the forms of geological disasters due to mining and its influences on eco-environment of the coal mining areas, and bring forward the controlling measures.
对由于采矿而引起的地质灾害的表现形式以及对矿区生态环境的影响作了详细阐述,并提出了相应的治理措施。
Introduce the geological features of rutile mineral in Nianzigou, Dai county, and analyze the reason of the rutile's formation in this mining area.
介绍了代县碾子沟矿区金红石矿产的地质特征,就代县碾子沟矿区金红石矿的成矿原因进行了分析。
The origin of the hazard is the disordered mining of coal pits along a river, and geological and environmental factors are the necessary conditions of the hazard.
沿河小煤窑的无序开采是这种地质灾害产生的根源,而地质及环境因素是灾害产生的必要条件。
The geological prospecting and mining history has been reviewed, in the coal basin of western Beijing.
文章回顾了京西煤田已往地质勘查及开采状况。
The coal mine's geological conditions are classified, and the rational sizes of strip coal pillars in strip mining are discussed using the theory of continuous medium mechanics.
首先对煤矿地质条件进行分类,采用连续介质力学理论,探讨条带开采的合理条带煤柱尺寸。
Based on geological model of deposits and by means of CAD method, the authors put forward the building method of layered opencast mining geological model, whose layers are composed of bench.
本文提出了在矿床地质模型的基础上,应用CAD技术。建立以台阶为单元的分层式矿床开采地质模型的方法。
In open pit mining project the stability of high slope is affected and controlled by many factors, such as topography, meteorology, hydrology, stratum lithology and geological structure conditions.
露天采矿工程中的高边坡稳定性受到很多因素的干扰与控制,其中包括地形条件,气象、水文条件,地层岩性条件,地质构造条件等。
The paper presents uniform method of evaluation mining geological and technological conditions for application of rock bolting in Polish underground coal mines.
针对波兰煤矿地下开采中的锚杆支护应用实践,提出了统一的采矿地质和技术条件的评价方法。
With the change in the mining conditions and geological conditions in Qidashan Iron Mine, the original blasting parameters can not meet the requirements of blasting.
齐大山铁矿随着开采条件和地质条件的变化,原有的爆破参数已不能适应爆破生产的要求。
At present, mining geological environment of Sichuan Province is getting worse and worse. Geological environmental protection and control have become the most pressing matter of the moment.
目前四川省矿山地质环境问题日益突出,做好矿山地质环境保护与治理工作,是当务之急。
These are mainly attributed to the mining's geological background, the distribution of mercury belt and the mercury mining scale, and the mine closure time.
在沉积物中汞含量的比较也是得到相同的结果,这主要与矿区的地质背景、汞矿带的分布、还与汞矿开采规模、汞矿停产时间有关。
The model can exactly forecast the mining subsidence that is caused by complex geological conditions and the irregular working out area.
该模型能够对复杂地质条件和不规则采空区引起的地表沉陷进行较为准确地预测。
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