块度

通过网络模型与RR分布式和GGS经验模型的比较，验证了利用神经网络模型预测爆破块度的可靠性。

Through comparing with R-R model and G-G-S model , its reliability has been confirmed .

根据岩心观察与描述，岩心采取率、岩石质量指标（R、Q、D）、岩石的块度指标、声波值及声波曲线、岩体回弹检测等方法确定岩体的完整性。

This paper affirms the completeness of rock mass by observing and describing the rock core , recovery ratio , R. Q. D.

作者认为，使焦炭在CO2反应到一定程度后仍具有块度与强度较高的稳定性，将是良好的高炉焦炭必要条件，这可以通过炼焦工艺的改进来达到。

It is concluded that with a certain degree of CO_2 reaction , both high stability of coke size and drum strength are essential for good blast furnace coke , which may be obtained by improvements in coke-making technology .

基于国内外原地爆破浸出爆破筑堆工程实例，采用BP算法对网络进行了训练，建立了原地爆破浸出工艺爆破筑堆块度分布与其影响因素间的非线性映射关系。

Based on the practical engineers of home and abroad in-situ blasting and leaching , the artificial neural network model was trained by use of back propagation algorithm , so the nonlinear map relationship between fragmentation distribution of ore stacking by blasting and its influential factors was established .

为保证面板堆石坝（CFRD）的填筑干密度达到设计标准，爆破开采的坝料有严格的块度和级配要求。

Rigorous criteria are demanded on fragmentation and grade of Concrete Face Rock-fill Dam ( CFRD ) construction materials in order to meet the designed requirements of density .

试验块度分布符合R-R（Rosin-Rammler）分布模型，使用线性回归求出特征块度x0和均匀指数n。

Fragment size distribution of experiments accord with the R-R ( Rosin-Rammler ) distribution model , characteristic fragment size ( x_0 ) and fragmentation gradient ( n ) were drawn by linear regression .

以分形理论和现场实测数据为基础，提出了节理间距的Cantor集分布和岩体天然块度的计算方法，用随机分形构造模型描述爆破岩块的形成过程。

Based on fractal theory and practical data , the Cantor set distribution of joint spacings and the method of calculating natural fragment sizes are put forward , and the process of blasted fragmentation formation is described by a stochastic fractal structure model .

爆破破碎度及块度分布的试验研究

Test and study on blasting crush rate and lump rate distribution

坝料开采块度级配在线分析和反演分析

The Dam Materials Excavation Lumpiness Gradation On-line Analysis and Inversion Analysis

高速公路爆破中破碎块度控制的研究

Research on Rock Fragmentation Grain Controlling of the Blast in Expressway

人工冻土破碎块度分布的分形性质

Fractal Properties of Size-Frequency Distribution of Fragments of Artifical Frozen Soil

用连续损伤力学建立单次破碎后块度分布理论基础

Theory of fragment distribution in single fracture with continuous damage mechanics

堆石坝级配料爆破块度分布模型的研究

Blasting Fragmentation Forecasting Model for Concrete Panel Rock - fill Dam

松动控制爆破与爆破块度控制技术探讨

Discussion on loose controlled blasting and technology for rock fragmentation control

岩体爆破块度预测模型研究综述

Summary of Fragment & Size Predicting Model in Rock Mass Blasting

爆破筑坝形成自然反滤结构的块度研究

Studies on the Block Size of Natural Filter Layer for Blasting

爆破块度分布的摄影&图象分析方法的研究

A study of photo-image analysis method of rock fragmentation by blasting

爆炸作用下岩石破裂块度分布特点及其物理机理

Features and physical mechanism of fragmentation distribution of rock under explosion

图像处理技术在岩石爆破块度分析中的应用

The Application of Image Processing Techniques in Rock Blasting Fragmentation Analysis

节理岩体爆破的块度计算模型

Model of Fragment size Calculation for Blasting in Joined Rock Mass

岩石动态损伤块度分布的试验研究

Test and Study on Fragment Distribution of Rock Dynamic Damage

本文的研究重点是支持向量机在岩体爆破块度研究中的应用。

This thesis mainly studies SVM 's application in blasting rock fragment-size .

岩石爆破块度组成作为爆破性分区的准则.在数据处理上采用灰色系统决策理论，建立了各分区指标的基本数学模型。

The zoning model was set up by the grey system theory .

矿石块度影响因素的定量分析研究

A quantitative analysis of different influential factor of ore fragments

综放开采顶煤破断冒放的块度理论及应用

Fragment Dimension Theory and Its Application in Fully Mechanized Top Coal Caving

深孔爆破岩石破碎块度的控制研究

Study on Controlling the Fragmentation of Rock in Deep-hole Blasting

崩落矿石块度对放矿的影响分析

Analysis of Effects of Caved Ore Fragmentation on Ore Drawing

采石场爆破块度分区及块度预测研究

Study on Prediction of Block Zoning and Block Size in Quarry Blasting

爆破参数对爆破块度效果影响的灰色关联分析

Gray correlation analysis of blasting parameters influencing size performance of block blasted

台阶爆破抵抗线对块度影响试验研究

Experimental study on the influence of burden on bench blasting fragment size