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at a single blow一下子
Blasting is a primary means of extracting minerals and ores at surface mining operations爆破是露天采矿作业采掘矿物和矿石的一种主要手段
Bricks have to be fird in a kiln for at least two days砖在窑里至少要烧两天
charge goods at a shop在店铺赊东西
composition B is a mixture of cyclotrimethylenetrinitramine RDX, trinitrotoluene TNT and approximately 1% wax,used to make cast boosters. The typical explosive formulation contains 60% RDX and 40% TNT and detonates at speed of composition7800 mps 25600 fpsB 炸药是由黑索金RDX、梯恩梯TNT和大约1%石蜡组成的混合物、通常用来制造浇铸中继起爆药柱。经典的炸药配比为60%黑索金和40%梯恩梯、爆速为7800m/s25600英尺/秒
Due to the severe fire in his throat,the prime minister will not be able to give a speech at tomorrow's conference首相喉咙发炎、明天的会上他不能讲话
Furthermore, a blaster should not assume that a fresh shot being fired will behave like other shots previously fired at the same operation况且、爆破人员不可假设在同一作业中新一轮爆破与之前其他轮爆破状态都一样
Furthermore, field measurements of detonation gases are subject to variability in all the factors mentioned before, and at best could provide a certain range of results此外、对爆生气体的实地测量受上述所有因素变化无常的影响、所以测量结果是一组范围值
His plane fird at a height of 5000 m in the sky他的飞机在5000m的高空起火了
In most commercial explosives, only part of the ingredients react immediately at the detonation front, leaving a considerable part to be consumed by afterburning during the expansion phase大多数民用炸药在爆炸时、只有部分在爆轰波阵面起反应、尚有很大一部分在膨胀阶段进行二次燃烧时才消耗掉
In most commercial explosives, only part of the ingredients react immediately at the detonation front, leaving a considerable part to be consumed by aftercombustion during the expansion phase大多数民用炸药在爆炸时、只有部分在爆轰波阵面起反应、尚有很大一部分在膨胀阶段进行二次燃烧时才消耗掉
Keeping this in view, field investigations were conducted at a phosphate mine to study the flyrock from blasting鉴于这一点、为了研究爆破飞石、我们在挨着居民区的磷矿作了实地考察
knock sb unconscious at a single blow一下子把人打昏
Modern dynamites can be defined a cap-sensitive mixtures which contain nitroglycerin as a sensitizer or as the principal means for developing energy, and which, when properly initiated, decompose at detonation velocity现代用的硝甘炸药可定义为雷管起爆型混合物。其中所含的硝化甘油敏化剂、或作为拓展能量的主要媒介、若适当起爆、雷管起爆型混合物则在爆轰速度下
No servant was available at that time when he waned to send a message他想送信时、身边没有仆人可差使
on-variable-at-a-time experiment approach ―次一个变量的实验方法
Safety fuse is a medium through which a burning reaction is conveyed at a relatively uniform rate to the ignition area of the blasting cap安全导火索是用来将燃烧反应传递到雷管发火区的一种介质
Since at least the 1900s, explosives manufacturers have routinely measured time to one millionth of a second for determining the detonation rate of explosives至少从19世纪初开始、炸药制造商业已例行测量到炸药起爆速度所用时间为百万分之一秒
strain at a point点应变
The breakage characteristics of different rock types are known to vary over a wide range, especially at the fine end of the fragmentation curve where breakage is controlled by the inherent properties of the rock substance itself, rather than being controlled by its larger scale flaws and structure众所周知、不同类型岩石的破碎特点差别很大、尤其在破碎曲线的细端变化大、因为岩石破碎受自身的内在属性控制、而不是受岩石自身的大缺陷和结构的控制
The general trajectory formula needs to be applied here for the prediction of the maximum horizontal throw of a projectile to a point at the same elevation这里需要应用预测抛物体在同一高程时的最大抛掷距离的弹道公式
The hand grenade detonated at a place only ten meters from the depot手榴弹在离仓库只有10米远的地方爆炸了
The lawyer was primed by a witness at court yesterday昨天证人在法庭上向律师提供详细信息
There is a substantial increase in temperature from 13°C at an altitude of 180 metres to a temperature of 18°C at an altitude of 270 metres温度在180米高度时为13度、到270米高度时为18度、增幅很大
This is a call to undertake agriculture, forestry, husbandry, side-production and fishing at the same time这是个农、林、牧、副、渔并举的号召
When an explosive charge is detonated in rock, the charge is converted instantly to a hot gas at intense pressure当药包在岩体中爆炸时、炸药在高压力下瞬间转化为高温气体