撞击过程实际上是一个防撞梁在船体撞击作用下的弹塑性动力响应问题。
The process of impact is really an elastoplastic dynamic response by the action of ship impacting anticollision beam.
本文试图回顾近几十年人头颅受直接撞击作用的力学分析的研究进展情况。
The present paper gives a historical summary of the mechanical analysis of human head under direct impact in recent years.
笔者认为这种PGE元素异常和粗铂矿的发现是陨石及其撞击作用的重要依据之一。
The authors consider the discovery of PGE anomaly and platina as significant evidence for confirming the meteorite impact event.
本文报道了五种规格充满水的圆柱壳经受大质量低速度轴向撞击作用时屈曲过程的实验结果。
Experimental results for the buckling process of cylindrical shells fully filled with water under axial impact are reported.
本文介绍了用测量大锤撞击作用下的力和加速度以确定桩的静态轴向承载力的凯司(case)法。
A method named CASE method is presented for determining the statical axial bearing capacity of piles from dynamic measurements of force and acceleration performed under the impact of a large hammer.
叶片头部在不同的工况下均存在较大的水流撞击作用，适应来流不理想，这对泵的整体性能有很大影响，应予以修型。
There is great flow impact on the head of vanes at different condition, and it will affect the performance of pump system greatly, so the shape of the head of vanes should be improved.
撞击产生的烟尘和灰尘覆盖了地球，抑制了光合作用，引发了物种的大规模灭绝。
Airborne soot and dirt from the impact blanketed Earth, inhibiting photosynthesis and triggering mass extinction of species.
来之于小行星的撞击是物种灭绝的另一种可能的原因，尽管一个有报警作用的弹坑已经被找到了。
An asteroid impact is another possible cause of the extinction, though a telltale crater has yet to be found.
因为中微子几乎不与其它物质相互作用，它们穿透土地流动，之中很小的一部分撞击在探测器上，成为可以观测到的粒子簇。
As the particles hardly interact at all with other matter, they stream right through the ground, with only a very few striking the material in the detector and making a noticeable shower of particles.
此外，对木星的研究表明，外层的气态巨行星能充当盾牌的作用，保护内部岩态行星——和行星上的任何生命形态——免遭频繁光顾的小行星撞击。
What's more, studies of Jupiter suggest that outer gas giants can act as gravitational shields, protecting inner rocky worlds-and any life-forms on them-from frequent asteroid impacts.
算例表明一些描述杆几何形状的变量在撞击分析中具有重要作用。
It is also found that some variables describing the geometrical shape of rods play an important role in impact dynamic system.
该型叶轮的泵兼具有容积泵和离心泵的作用，悬浮性颗粒在叶片中流过时，不撞击泵内任何部位，故无损性好。
The type of the pump impeller and pump and centrifugal pump with a volume effect of particles suspended in mid-stream leaf out of date, do not hit any part of the pump, it is good non-destructive.
落下的物料在转子的强大离心力作用下，以高速被抛出，撞击到主机内部的反击板被击碎。
Then it is thrown out with high speed by the strong centrifugal force of rotor. Colliding with the impacting plate and crushed.
多年来，一些专家始终认为跑步时对关节造成的连续撞击可能会诱发骨性关节炎——关节处起缓冲作用的软骨海绵组织损伤导致的疾病。
For years, experts indicted that the constant pounding of joints associated with running might cause Osteoarthritis, which occurs when the spongy cartilage tissue cushioning the joints breaks down.
通过选择不同的气体分子与壁面相互作用模型研究了壁面边界条件对羽流撞击效应的影响。
Influence of wall boundary condition on plume impingement effects is finally studied by applying various gas - (surface) interaction modeling.
本文章的目的是考察在大陆架的产生过程中大的陨石或小行星的撞击所起的作用。
It is the purpose of this article to examine the possible role of the impact of large meteorites or asteroids in the production of continental nuclei.
无论是颌面部撞击伤还是高速投射物伤，除了直接损伤作用外，都还常常导致邻近组织、器官的间接损伤。
When the region suffers impact injury or high velocity projectile injury, indirect injury of adjacent tissues and organs will usually occur.
点火阶段对撞击起爆过程起决定性作用，影响点火阶段的因素就是决定其撞击感度高低的关键因素。
Ignition plays a determinant role in the impact detonation, and the factors that influence ignition are also the crucial ones that decide the impact sensitivity.
医生们称，地上厚厚的积雪减轻了她下落时的撞击力。而且她的身体非常放松，因为她当时在下降压力的作用下神智不清。
Doctors said a thick covering of snow broke the woman's fall, and her body was relaxed because she was not fully conscious at the moment of impact.
相反地，叶片较短时，即使具有较高的撞击能量，对机匣的破坏作用也是极小的。
On the contrary, the ring causes lesser failure if the blade is short even if kinetic energy is high.
白垩纪末期，当小行星撞击地球使得地表上的光合作用停止。生长速度较快的恐龙无法在这场危机中幸免于难。
Fast-living dinosaurs were unable to survive the crisis at the end of the Cretaceous, when an asteroid hit Earth and brought photosynthesis to a halt.
沥青混凝土作为一种广泛应用的工程材料，在其工作过程中，除承受静荷载的作用外，还要承受爆炸、撞击等动荷载的作用。
As a widely used engineering material, asphalt concrete is supposed to quasi-static load as well as action of mobile load from explosion and impact and so on during working process.
发射药燃烧时不断产生的燃气在药粒之间形成气垫，对药粒的撞击、挤压起到缓冲保护作用。
The powder gas, generated continuously due to burning of propellant forms air-cushion among propellant grains, which can buffer and protect propellant grains from bumping, impacting and extruding.
这些重要结构在服役过程中不可避免地会遭受各种意外的撞击加载作用。
These important structures will inevitably subject to some unexpected kinds of impact loading in the service process.
大量粒子的这种不断撞击，反抗着作用在活塞与重物上的向下作用的重力，因而能使活塞保持在某个高度上。
This continual bombardment by a great number of particles keeps the piston at a certain height by opposing the force of gravity acting downward on the piston and the weights.
在爆炸、撞击等强动载荷的作用下结构将表现出与准静态情形很不相同的力学行为。
When supporting strongly dynamic loads, such as explosive loads and impulsive loads, the structures will show different mechanics characters from standing quasi-static loads.
结论半屈肘位时易发生以尺桡骨撞击力与重力的上下剪切作用为主的肱骨外侧髁骨折；
Conclusion The fracture of lateral condyle of humerus occurred easily at the flection posture of elbow because of collision which radius and ulna struck humerus;
结论半屈肘位时易发生以尺桡骨撞击力与重力的上下剪切作用为主的肱骨外侧髁骨折；
Conclusion The fracture of lateral condyle of humerus occurred easily at the flection posture of elbow because of collision which radius and ulna struck humerus;
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