| 词汇 | 应力 |
| 释义 | 应力 “ The only way to reconcile the fact that this part of the continent is not deforming but is producing earthquakes is for the stresses to have built up long ago, ” Freed said. Stress fractures, or tiny cracks in the surface of a bone, are serious running injuries that requires immediate treatment. Admittedly, every time an airliner takes off and lands it goes through a demanding cycle of stress reversals. Conventional soda- lime glass expands too much, so welding introduces stresses that can lead to failure. Most people, however, go into a state of constant stress. As the stress level is gradually reduced, there comes a point where a structure can survive enough stress reversals to exceed the component’s expected life. To date, there is no approval for use of this test in conjunction with a stress test. The stresses caused by flying too fast could peel the wings from the sailplane. Engineers calculate the strains and stresses on a bridge. Rising sea levels, increasing salinization of water tables, and heat stress in association with air pollution are just some of the consequences of great concern in this part of the world. Constant stress does not build muscles, it kills you. “We frequently see stress fractures in the Sports Medicine Service and if you want to heal, you have to fix the calcium and vitamin D,” Dr. Lane said. Injuries in young tennis players typically include muscle strains, ankle sprains, hip injuries, knee cap instability, stress fractures in the spine and tendinitis of the wrist. Was this stuff stress relieved? Was it, when they fabricated this particular nozzle, this particular piece, was it highly stressed when they assembled it? It also taught them how to prevent stresses concentrating at certain points, thereby triggering a fatal tear in the aircraft’s skin. No matter what Boeing does to rectify its aging737s, their airframes are clocking up stress reversals that can never be expunged. So they recommend overusing athletic injuries, like muscle tears and stress fractures, which prolongs pain and delays healing for months and months. Imagine the situation in cities, where water scarcity combines with heat stress and air pollution to impair the health of millions, increasing the burden on health services that are already strained. The therapy may have a beneficial effect on hostile or controlling behaviors, or stress- prone dispositions that undermine the health of one or both partners. These larger ions take up more room and are pressed together when the glass cools, producing a layer of compressive stress on the surface of the glass. Being simply a rotating horizontal shaft with a heavy vertical load on it, early locomotive axles suffered severe stress reversals in their outer skins with every rotation. After all, your list is supposed to help with your stress, not add to it. Stress fractures, unlike many other types of fractures, don't occur all at once. Most of the heat in the corona, said Klimchuk, is apparently still released by the snapping of stressed magnetic fields in the corona. |
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