Blast breaking quality is an important economic factor in the production of an open-pit iron mine,the result of the test and research on the top spacing loading blast method done to mid-deep boreholes,shows that top spacing loading method can improve breaking quality as well as reduce big piece rate,thus lowering the production cost,which is of great significance to the mine.
爆破破碎质量是露天矿生产的重要经济技术指标,通过对中深孔进行的顶部间隔装药爆破方法的试验研究,结果表明:顶部间隔装药爆破法可以提高破碎质量和降低大块率,从而降低生产成本,对于矿山具有重要的现实意义。
This paper is to study the efficiency of drilling equipments in tunneling rocks, to elaborate the development process of drilling equipments, and to discover the mechnical principles in rcok disintegration and energy capacity which is determined by the loading bearing of the bored well face.
并通过实验证明了破碎过程能容量与单位掘进能的依赖关系和无因次准数与用于花岗石钻具单位掘进能的依赖关系。
Establishment of Crushing Theory of Air Striking and Its Industrial Practice in Fine Breaking of Hard Rock;
空中打击破碎理论的建立和在硬岩细碎中的工业实践
Hierarchical multi-scale discrete particle model and crushing simulation;
离散颗粒多尺度分级模型与破碎模拟
Contrasts of Numerical Simulation s about Talc Crushing Process;
滑石破碎过程数值模拟的对比
The study on releasing adenosylmethionine by breaking yeast;
破碎酵母释放腺苷蛋氨酸的研究
Experimental research on vibration removing and breaking of cobalt-rich crusts;
富钴结壳振动剥离破碎的实验研究
Selection of breaking equipment for Jiangkou artificial aggregate system and architecture comparison;
江口人工砂石系统破碎设备选型及工艺比较
The Test and Application of Imporving Breaking Quality by Way of Top Pneumatic Spacing Blast Method
顶部气体间隔爆破方法改善破碎质量的试验与应用
Study on the hammer material and quality of the upright impingement crusher
立式冲击破碎机锤头材料和质量的研究
The Pilot Trial on the Biomass Powder Fuel Shredding System;
生物质粉体燃料破碎系统的中试研究
A QUANTITATIVE ANALYSIS ON THE FRAGMENTATION OF CULTIVATED LAND ON THE TWO SIDES OF THE ZHUJIANG ESTUARY;
珠江口两岸耕地景观破碎化定量分析
Study on the Fundamental Mechanical Characteristics of Calcareous Sand and the Influence of Particle Breakage;
钙质砂基本力学性质及颗粒破碎影响研究
One that breaks, as a machine for breaking up or crushing a substance, such as rock, coal, or plant fibers.
轧碎机，破碎机用来轧碎或碾碎一种物质，如岩石、煤或植物纤维的机器
Release and Residual Mass and Content Distribution of CFC-11 during Shredding of Rigid Polyurethane Foam
破碎聚氨酯硬泡时CFC-11的释放量和残留量
IMPROVEMENT OF THE MATERIAL FOR MAKING THEBREAKER BAR AND RELIEVING TOOTH
烧结单辊破碎机铲牙和篦条的材质改进
GEOLOGICAL CHARACTERISTIC OF URANIUM MINERALIZATION IN FRACTURED ZONED OF THE LOWER CAMBRIAN SYSTEM
寒武系下统断裂破碎带中的铀矿化地质特征
Stability Analysis of Crushed Rock Slope on K103 Slope of Hang-Jin-Qu Expressway;
杭金衢高速公路K103破碎岩质边坡稳定性分析
Research on influences of particle breakage and dilatancy on shear strength of calcareous sands
颗粒破碎及剪胀对钙质砂抗剪强度影响研究
Design and Construction of Composite Ejector Anchor Supporting of High-slope in Soft and Crushing Rock
软质破碎岩体高边坡复合喷锚支护设计及施工
EXPERIMENTAL STUDY OF LAWS OF GAS SEEPAGE IN LOOSE FRAGMENTED MEDIUM
松散破碎介质中气体渗流规律试验研究
Japanese rice is up to 150000 tons with round shape of 5% - 10% and 1.2% break
日本大米，为数15万吨，圆粒含量5%-10%，破碎率1.2%。
Sonic disruption over intervals up to ten minutes resulted in increasing amounts being liberated.
超声破碎作用超过10分钟，可增加酶的释放量。
A Preliminary Study on the Heat Flux in the Cracked Sea Ice Region of the Arctic Ocean During the Melting Season
融冰季节北极破碎冰区热通量的初步研究
ESTIMATING THE QUANTITY OF EXPLOSIVE BASED ON THE CRASHING GLASS IN THE SCENE OF CRIME;
根据爆炸现场玻璃的破碎推算炸药量的研究
Summary of study on energy distribution of rock fragment in explosion and its Prospect
炸药破碎岩石能量分布研究综述及其展望