撞击所释放的强烈高温会在许多类型的岩石中形成一种热冲击石英。
The intense heat of the impact would produce heat-shocked quartz in many types of rock.
一种可能的解释是顶层的岩石是陨石撞击的冲击波形成的。
One possibility is that the top layer of rock was shattered by the shockwaves from an impact.
然而,查特基博士的说法引发了疑问:为什么全球白垩纪晚期岩石中含有冲击石英和铱的喷发物地层只有一层? 答案或许是,两次撞击是在同时发生的。
This story, though, raises the question of why there is but a single ejecta layer of iridium and shocked quartz in late Cretaceous rocks around the world.
但是,这种预测或是过于乐观,该行业在2009年刚经受了一场猛烈的撞击,今年其全球销售量将仅仅维持在2006年的三分之二。我觉得这句话就按照such...that句型翻译好一些:该行业在2009年遭受了如此严重的冲击,以至于其全球销量目前只有2006年的三分之二。
But such was the severity of the crash the industry suffered in 2009 that global sales will still be only two-thirds of what they were in 2006.
当一个中微子撞击原子时,碰撞产生的能量会使周围环境受热,使其发生微小的扩张膨胀,并且触发产生一种形状特殊的微型冲击波。
As a neutrino strikes an atom, the energy of the collision warms the immediate surroundings, causing them to expand ever so slightly and trigger a minuscule shock wave of a specific shape.
如果一个100英尺直径的小行星撞击地球,它在大气中爆炸产生的冲击波可以令数百平方英里内所有的树木倒伏,并杀死所有的大型动物。
If a 100-foot-wide asteroid hit Earth, the shock wave from its explosion in the atmosphere could flatten trees and kill every large animal for hundreds of square miles.
本文应用冲击机械系统动力学分析打桩过程中锤体与桩撞击时应力波的产生、传播以及该波对沉桩过程的影响。
Mechanical impact dynamics is used to analyse the production and spread of stress wave when hydraulic pile hammer hammerblows piles, the stress wave influence the course of driving pile.
尽管他的头骨在受到冲击时瞬间会保持不动,但是他大脑内的脑脊液仍然在晃动并不断撞击头骨。
Although his skull stops suddenly upon impact, his brain, floating in cerebral fluid, keeps moving and hits the skull.
本文介绍了投梭转子与投梭鼻之间撞击的动力学分析,包括速度变化、动能转换及弹性冲击的分析等。
The article makes a dynamic analysis of the impact between the picking bowl and the nose, including the speed variable, the energy transfer and elastic impact.
辊棒属脆性材料,清理时应避免敲击、撞击、冲击以及其它易产生机械性应力的方法。
The roller is part of brittle material, avoid to use the way in whack, bump, impact and other easily to make mechanical stress.
而在冲击板出口测,除撞击磨损外,还存在冲刷磨损。
Yet at the outlet spot of the impact plate there is washout wear in addition to impact wear.
研究脆性岩石在强冲击载荷下的力学响应持性.采用一级轻气炮驱动的飞片撞击实验技术,测量大理岩试件组成的靶板中的应力脉冲波形;
To study the dynamic response properties of brittle rock under strong impact loading, the stress wave curves were measured using the planar impact technique.
更糟糕的是:落差大,很容易达到最高速度- - -您的速度越快,双脚撞击地面越厉害,肌肉承受的冲击越大。
To make matters worse: it's easy to hit top speed on a steep descent-and the faster you move, the harder each foot strikes the ground, and the more pounding the muscles endure.
在设计受力极限,头盔会破裂,撞击点处会残缺,以吸收大部分冲击力量,一般在比较重大撞击事件后应当更换头盔。
Design stress limits, helmet will burst, impact site will be incomplete, to absorb much of the brunt force in generally significant should replace the helmet after the impact event.
经撞击后检查损伤及变形情形。用于塑胶冲击测试及涂料附着力测试。
Put the coated specimen under the impact site; check the damage and or warp of it after hit by the hammer from specified height.
通过弹丸撞击有限厚度钢筋混凝土靶板的模型试验,获得了有关靶板冲击破坏的宏观图象及弹丸贯穿靶板后的残余速度。
The macroscopic damage image of reinforced concrete slabs under impact effect are obtained through model test, and the residual velocity of the projectile are gained from the tests.
冲击设备(7)向波导(21)提供撞击脉冲,在波导中产生压缩应力波和反射的拉伸应力波,应力波在波导中传播。
A percussion device (7) gives impact pulses to a waveguide (21), where a compression stress wave and a reflected tensile stress wave are generated, which propagate in the waveguide.
在公司内可以完成产品的高、低温、高湿、冲击、跌落撞击、寿命、抗干扰的试验。
The company can be accomplished within a product of high, low temperature, high humidity, shock, drop impact, life, anti interference test.
因为冲击波的能量在多孔隙物质中快速减弱,撞击能使上述深陨石坑附近的岩石有效加热。
Because shock energy attenuates rapidly in porous materials, an impact can heat the rocks bordering the deep crater very efficiently.
最后,在水的冲击和汽车的撞击下一幢大楼脱离了地基,被冲走了。
Eventually, the force of the water, the force of the cars, one building is just ripped off its foundation and floats away.
在飞机着陆(水)时,会有多次撞击,保持您的防冲击姿势直到飞机完全停稳。
While landing (ditching), the aircraft will impact for several times; take your brace position until the aircraft comes to a complete stop.
通过气体炮发射的炮弹撞击砧块,使之获得一定的初速度,再 利用砧块的惯性对隔振器施加冲击载荷。
An anvil is impacted by the bullet from an air gun and hence a certain. initial velocity is obtained. Then the vibration isolator absorbs the shock load of the anvil"s inertia."
一会儿,脚步到了门口,随即,门像受到爆炸的冲击波撞击似的,“砰”一声被推开了。
After a while, the footstep came at the door, then, the door was opened like the door was striked by explosive bow wave.
冲击部位的不同对框架的整体抗撞击能力也没有明显的影响。
Different impact site has no significant effect to the performance of the whole frame's anti-impact.
防冲击姿势是乘客要学会的一个重要方法,它可以减少被撞击昏迷的风险。
The brace position is one of the most important things a passenger should take on board when they fly, it's designed to reduce your chances of being knocked unconscious during a heavy impact.
在高速流动的流体和静止流体撞击位置,流动速度出现间断,该速度间断的位置不断向液滴冲击区域外扩展。
At the striking position of the high-speed fluid to the static fluid, a velocity discontinuity appears, which propogates outwards in the film.
分析结果表明,超高车辆撞击使桥梁上部结构产生整体变形损伤、局部破坏甚至落梁破坏,撞击荷载包括撞击冲量和局部冲击力,不同车型撞击荷载差别较大。
Study results show that the damage modes of bridge superstructures impacted by over-high trucks include global deformation damage, local damage and girder-falling.
在二维有限元动力分析程序dyna2d中加入了两种反应速率模型,对圆头钢弹撞击PB X 940 4炸药的冲击起爆行为进行了数值模拟研究。
Shock initiation behaviors of PBX-9404 impacted by round-nosed steel projectiles were studied numerically by means of adding two kinds of reaction-rate into two-dimensional finite element code DYNA2D.
在二维有限元动力分析程序dyna2d中加入了两种反应速率模型,对圆头钢弹撞击PB X 940 4炸药的冲击起爆行为进行了数值模拟研究。
Shock initiation behaviors of PBX-9404 impacted by round-nosed steel projectiles were studied numerically by means of adding two kinds of reaction-rate into two-dimensional finite element code DYNA2D.
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