The paper introduces the hole-by-hole technique aiming at reducing blasting vibration and the size of rock broken,analyzes its mechanism,igniting mod,network design and the determination method of sound millisecond delay interval.
文中介绍了以降低爆破振动和破碎块度为目的的逐孔起爆技术,分析了逐孔起爆机理、起爆方式、网络设计及合理微差间隔时间的确定方法,并将该技术应用于露天矿山台阶爆破中,取得了预期的效果。
By means of controlling appropriate interval of firing time between holes and holerows and adopting high-precision detonator,the shape of muckpile and the size of rock broken can be controlled effectively,thus achieving high quality of blasting and decrement of mining cost.
通过研究不同岩性的合理孔间及排间微差间隔时间 ,并利用高精度雷管逐孔起爆新技术 ,可有效地控制爆堆形状和破碎块度 ,改善爆破质量 ,降低采矿总体成本。
According to blasting parameters that were tested in previous implementation, the model of controlling the fragmentation is built.
根据施工前进行试爆取得的爆破参数，建立了岩石破碎块度控制模型。
Experimental Research on Relationship between Energy Consumption and Fragmentation Size of Skarm Subjected to Impact Loading
冲击加载下矽卡岩破碎能耗与块度关系的试验研究
visibility-after -fracture test
破碎后的能见度试验
Weathering applies to crumbling and breaking down of rock into smaller pieces.
风化指的是岩石破碎或崩裂成小块。
A stone shattered the window; the glass shattered.
一块石头打碎了窗户，玻璃都破了。
difficult or impossible to break or separate into parts.
难以或者不可能破碎或者分成小块。
Study on Prediction of Block Zoning and Block Size in Quarry Blasting
采石场爆破块度分区及块度预测研究
Consisting of broken rock, coal, or ore moved from its place of origin.
碎屑状的由从开采地移来的破碎的岩石、煤块或矿物组成的
the tinkle of a bell, of breaking glass, of ice being stirred in a drink
铃、 玻璃破碎、 冰块在饮料中搅动的丁零声.
A large electric magnet on a crane lifts the skull craper.
装在起重机上的一块大电磁铁提起破碎机。
Nonerodible clods are also broken down by impacts of saltating grains.
不可冲蚀的土块因跳跃颗粒的撞击也会破碎。
Chunks of the overlying rock may break off and become a part of a sill.
上复岩石的碎块可能破裂并成为岩床的一部分。
Study on the Control of Massive and Discreteness Cracking Wall Rock and Bolt Supporting;
块状离散性破碎围岩控制及锚杆支护技术
I used to think that little pieces of my heart were breaking off while I watched Noah destroy himself.
眼看着诺亚在毁掉自己，我曾想，我的心也随之一块块破碎。
DEGRADATION CHARACTERISTICS OF CENTRAL QUEENSLAND COAL
中央昆士兰煤的块度碎细特性(英文)
ULTRA-HIGH DENSITY RESISTIVITY METHOD APPLIED TO EXPLORATION OF FRACTURE ZONE
超高密度电法在追索破碎带中的应用
Strength Analyzing Calculation on Back Toggle Plate of PEJ1215 Jaw Crusher
PEJ1215颚式破碎机后肘板的强度分析计算
Safety performance： the minute glass won't harm the body seriously when the glass breaks into small parts.
安全性：玻璃破碎后，碎片成钝角的细小碎块，对人体不会造成重大伤害。