词汇 | ablation |
释义 | ablation noun uk /əˈbleɪ.ʃən/ us /ˌæbˈleɪ.ʃən/ ablationnoun (OF ICE OR ROCK)[ U ] environment, geology specialized the loss of ice or snow from a glacier or iceberg, or the loss of rock or similar material, caused by a process such as melting or erosion(= gradual damage and removing by waves, rain, or wind): (冰川、冰山)消融;(岩石等物质)融蚀、水蚀 Annual measurements have revealed that ice motion and ablation are not uniform from place to place or from year to year. The Earth & outer space - general words ablate anti-gravity atmosphere atmospherically auroral geo- geocentric horizon hydrosphere infinite ionospheric lithosphere lithospheric macrocosm mesosphere mesospheric the Big Bang underground weightlessness zero gravity ablationnoun (OF TISSUE)[ C or U ] medical specialized a medical treatment that involves cutting away or destroying a small amount of tissue from the body, for example using heat or cold: The hospital was one of the first institutions to use radiofrequency ablation on kidney tumours. Minimally invasive surgical ablations use the latest technology to enable surgeons to perform surgeries through needle-sized holes. See also cardiac ablation RFA Ablation is the intentional destruction of tissue, usually with heat. In most ablations the quantity of tissue affected is minuscule. In catheter ablation a tiny probe is threaded through the arteries to the interior of the heart, where it zaps a few cells that have occasionally been making the heart beat too fast. Medical treatment: surgery ablate adenoidectomy adrenalectomy allograft amputation anaesthesia blood transfusion endarterectomy endonasal enterostomy enucleate enucleated general anaesthetic mastectomy prostatectomy pump something out reduction mammaplasty regraft reimplant suture Each year there must be a very slow sinking of the surface, but the ablation is infinitesimal. Examples of ablationablation We are of the opinion that this is just the main thermodynamic difference between the "cold" ablation and the organic material ablation. The outlet of the first shock in the gas induces a strong rarefaction wave which reflects also into a shock at the ablation radius. Only with the high exit velocities possible with pulsed laser ablation propulsion is it possible to overcome this problem. This brings to a decoupling of the laser beam from the target and, as a result, the mass ablation rate decreases with time. A fraction of the electric current flows close to the wall and causes heating and subsequent ablation. Low-energy low-divergence pulsed indium atomic beam by laser ablation. In the earlier reports, pulsed high power laser is focused onto the target resulting into the ablation of material, giving pulsed atomic beam. This served the purpose of identification as well as to approximate the handling given to treatment beetles during ablation of appendages. With our present knowledge it is not possible to quantify the contribution of each of these processes in reducing the ablation depth exactly. The models show the potential pathways along how organic molecules can survive the ablation process, albeit chemically altered. Pulsed laser ablation mechanisms of thin metal films. The best ablation efficiency was observed with femtosecond laser pulses. Synthesis and processing of silicon nanocrystallites using a pulsed laser ablation supersonic expansion method. These examples are from corpora and from sources on the web. Any opinions in the examples do not represent the opinion of the Cambridge Dictionary editors or of Cambridge University Press or its licensors. |
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