撞击事件

新近系&第四系界面撞击事件研究的新进展

Recent progress of the study on neogene & quaternary boundary impact event

中更新世撞击事件年龄的高分辨率估算

High-resolution age estimation of the mid-Pleistocene impact event

应用古生物钟探索地外撞击事件

Using Paleontological Clock to Explore the Extraterrestrial Impact

从这个角度来说，奇虚乐陨石撞击事件可说是人类演化的推手。

In this sense , the Chicxulub crater is the crucible of human evolution .

在那些远离希克苏鲁伯陨石坑的地点，有证据显示只发生过一次撞击事件。

The sites that are distant from Chicxulub show evidence of only one impact .

比这更大的撞击事件也会发生。

And bigger impacts happen , too .

撞击事件对古环境的影响&来自ODP1144站A孔样品的证据

Impact events and its effects on palaeoenvironment : evidence from ODP site 1144 core a

这里发生过啤酒罐头撞击事件。

It clashes with the beer can .

海岸警卫队称，他们将会一直搜寻昨晚撞击事件受害者中的幸存者。

The Coast Guard says they will for survivors of victims of last night 's crash .

加利福尼亚海岸空中撞击事件之后9人失踪，目前搜救工作仍在继续进行。

The search continues for 9 people missing off the coast of California after a midair collision .

第20单元斜坡撞击事件

Unit 20 Hitting the Slopes

撞击事件诱发核反应热力学过程及其在事件地质学研究中的意义

Calculation of thermodynamics in induced nuclear reaction by impact event and its implication in study of event geology

不幸的是，飞行员在这次撞击事件中遇难。

Unfortunately , we have one person -- the pilot appears has lost his life in this crash .

这是一个晴朗的夏天，撞击事件怎样发生目前还不清楚。

It was a clear summer day and it 's not yet clear how the mid-air collision came about .

近些年来撞击事件频发，在2009年，铱33号卫星便与宇宙2251号卫星相撞。

Serious accidents in recent years included the 2009 smash between the Iridium 33 satellite and the Kosmos 2251 satellite .

K/T界面冲击层的岩石矿物特征及其对论证地外撞击事件的意义

Lithological and mineralogical characteristics of impact layers at the k / T Boundary and their implications for determination of extraterrestrial impact events

美国鸟撞委员会说：每年，鸟撞击事件导致美国的民用和军事航空业大约6亿美元的损失。

Bird Strike Committee USA says bird strikes cause about six hundred million dollars in damage to American civilian and military aviation each year .

因为碳酸盐需要经历多次撞击事件，每一次都伴随着一个极具局限的影响，同位素测量似乎不是非常令人惊讶。

Because the carbonates experienced multiple shock events , each with highly localized effects , the spread of isotopic values is perhaps not surprising .

在爱达荷发生了致命的公交车撞击事件。这辆公交车上满载着高中乐队成员，突然脱离路面，最后撞击，导致爱达荷州15人受伤。

In Idaho , a deadly crash involving a bus-load of high school band members , the bus and crashed , injured 15 in Idoho .

警方周日透露，这名警察在这起高速撞击事件之前不久曾看见这辆小汽车在道路护栏抬起时停在那个郊区路口。

The officer had spotted the car sitting stationary on the rural crossing with the road barrier up moments before the high-speed crash , police said on Sunday .

油驳船撞击事件一天后，橙色围油栏已设置在维克茨堡附近的河域，工作人员正在从河里撇油。

Orange containment boom is stretched across part of the river near Vicksburg , and crews are skimming oil from the water a day after the barge crashed .

湖南省早寒武世石煤层的铱异常发现之后，人们纷纷从地球化学方面推测一次陨石撞击事件的可能性。

After discovery of iridium anomaly in Early Cambrian stone coal in Hunan province , scientistsbegan to guess the possibility of a meteorite impact event from geochemical aspects .

早在30年前，美国宇航局便预言了这种情况的发生，而近期所出现的一系列撞击事件凸显了问题的迫在眉睫，我们急需研究出解决对策。

Such a situation has been predicted by Nasa for more than 30 years and a string of recent near-misses have added urgency to the need to find a solution .

科学家们认为，行星的撞击事件将大量灰尘升至大气层中，遮蔽了阳光数十年，从而导致大规模的气候变化。

It 's believed that after the asteroid hit it sent dust up into the atmosphere that blocked the sun for decades . This would have caused massive climate change .

里斯勋爵表示，人类历史上有记录的最大规模撞击事件是1908年发生在西伯利亚通古斯的灾难性撞击事件，然而即使是导致那次撞击的天体，直径也只有大约50米。

Even the devastating 1908 impact at Tunguska in Siberia , the largest in human recorded history , was caused by an object of only around 50m , said Lord Rees .

近年来随着世界范围的各类爆炸撞击事件的屡屡发生，对结构及其构件的抗冲击性能研究成为防灾减灾及防护工程研究领域的重要课题。

Recently , along with a series of explosion and impact accidents , the study on anti-impact of structure is becoming an important subject in the field of disaster prevention and reduction engineering and protective engineering .

主要撞击事件撞击期的论据可从保存的撞击标志、岩墙群、火山岩序列及碱性侵入岩的同位素年龄值分布直方图的热峰值的比较中获取。

Clues for major impact events and bombardment periods are provided by comparisons between the isotopic ages of preserved impact signatures , dyke swarms , volcanic sequences and alkaline intrusions , and thermal peaks on isotopic age distribution histograms .

事件地层中普遍存在富勒烯，表明天然富勒烯可以作为地层中发生过重大灾变事件的重要的地球化学指标，而具有异常稀有气体同位素组成的富勒烯则是地外撞击事件的最直接证据。

The wide occurrences of fullerenes in the event strata suggest that fullerene can be one of the important geochemical indicators of strata events and fullerene with abnormal noble gas isotopic composition a direct indicator of extraterrestrial impact events .

针对苍山陨石撞击事件，运用ANSYS/LS-DYNA非线性有限元程序，分析讨论撞击速度的变化如何影响陨石撞击形变场及其形成、发展和演化。

Aiming to meteorite impact affair of Cangshan , the popular nonlinear program ANSYS / LS-DYNA is used to analyze how the change of impact velocity affect the emergence , development and evolvement of the impact deformation field of meteorite .

地球演化史中的地外撞击事件，是太阳系形成机制&碰撞吸积作用的继续，是地质历史生物、沉积、岩浆、构造等演化的重要营力之一。

Extraterrestrial impact events in the Earth ′ s evolution history are thought to be the continuance of collisional accreation & the formation mechanism of solar system , and may play an important role in the organism evolution , sedimentation , magmatism , tectonic etc.