作者: 避開(kāi) 時(shí)間: 2025-3-21 23:33 作者: 全部 時(shí)間: 2025-3-22 00:44
Waves Propagationsical acoustics is directly related to ultrasound since the ultrasonic waves are employed to determine the properties of materials. The objective of this chapter is to present a brief overview of the physics involved in the propagation of the sound through a material. We start with a description of 作者: scrutiny 時(shí)間: 2025-3-22 05:13 作者: 不怕任性 時(shí)間: 2025-3-22 09:55 作者: 以煙熏消毒 時(shí)間: 2025-3-22 13:19
Excitation and Deconvolution in Ultrasound Nondestructive Testing Systemsogether with the tradeoff between the excitation energy and the time resolution. It is shown how signal processing can improve the overall performance in terms of system sensitivity and resolution as long as the exciting waveform is chosen taking into account the system characteristics and is in agr作者: 同義聯(lián)想法 時(shí)間: 2025-3-22 21:04 作者: TAG 時(shí)間: 2025-3-23 00:55
Standard Soft Computing Techniques for Characterization of Defects in Nondestructive Evaluationent of the productive process and for taking monitoring actions during the relative life cycle. Since the quality assessment passes through the characterization of the defects that can be generated, it is imperative to exploit inspection techniques able to produce signals characterizing the defects 作者: Pepsin 時(shí)間: 2025-3-23 02:11
Innovative Fuzzy Techniques for Characterizing Defects in Ultrasonic Nondestructive Evaluationications in which the knowledge of the typology of defect is crucial for the manufact destination. In such a context, the necessity to have efficient investigation instruments for a correct classification analysis emerges clearly. A defect, even when invisible to the naked eye, can be revealed as th作者: Feedback 時(shí)間: 2025-3-23 06:04
Ultrasonics for the Diagnosis of a Trachite Stone Wallrapid and relatively low cost informations, the ultrasonic “Direct Transmission Technique” is applied on the structure under exam. This technique uses a beam of ultrasonic waves emitted by a transducer and received by another one placed on the opposite surface of the structure. The waves pass throug作者: Cupping 時(shí)間: 2025-3-23 11:38 作者: 現(xiàn)暈光 時(shí)間: 2025-3-23 15:33 作者: 無(wú)孔 時(shí)間: 2025-3-23 18:59 作者: 緯線 時(shí)間: 2025-3-24 01:07 作者: 性別 時(shí)間: 2025-3-24 03:53 作者: outskirts 時(shí)間: 2025-3-24 07:20 作者: reaching 時(shí)間: 2025-3-24 13:02 作者: pulse-pressure 時(shí)間: 2025-3-24 18:52 作者: PAC 時(shí)間: 2025-3-24 22:12
eyes when they had suffered abuse at the hands of those employed to care for them. He described trying to reach out to his abused friend: ‘We all peered inside but the watchman’s lamp had gone out.’ Like him I ‘pay tribute and marvel at how out of so little, so many children are able to shape reason作者: 法律的瑕疵 時(shí)間: 2025-3-24 23:10 作者: Flounder 時(shí)間: 2025-3-25 03:37 作者: BLINK 時(shí)間: 2025-3-25 11:16 作者: 扔掉掐死你 時(shí)間: 2025-3-25 14:48 作者: 鉤針織物 時(shí)間: 2025-3-25 19:53 作者: Infuriate 時(shí)間: 2025-3-25 20:38
Salvatore Caporale,Sergio Callegari,David Arthur Hutchins,Stefano Laureti,Pietro Burrascano,Marco Ri. These and other queries concerning the solution to the problem of crime are beyond the scope of this book. Rather, this book is primarily concerned with some of the problems of responsibility and punishment, and it makes no pretensions as to how the problems of crime ought to be solved. In other w作者: Diskectomy 時(shí)間: 2025-3-26 02:52 作者: 情愛(ài) 時(shí)間: 2025-3-26 05:01
e view that the state has a duty to punish offenders) in order to be justified in inflicting punishment on offenders. Instead, retributivists might argue, as I do, that not every crime must be punished, perhaps because of practical considerations of resource capability. This is not to say, however, 作者: Occlusion 時(shí)間: 2025-3-26 11:22 作者: Endearing 時(shí)間: 2025-3-26 13:21 作者: Orgasm 時(shí)間: 2025-3-26 17:08
orio Nazionale sulla Sperimentazione Clinica dei medicinali National Report N. 8, 2009). There are incertitudes and complexities involving applications of nanotechnologies, in particular in clinical trials, but the Ethics Research Committees for human experimentation play a key, decisive role becaus作者: 護(hù)航艦 時(shí)間: 2025-3-26 20:58 作者: 大猩猩 時(shí)間: 2025-3-27 05:04 作者: Liability 時(shí)間: 2025-3-27 06:26
Luigi Battaglini,Sergio Callegari,Salvatore Caporale,Lee Andrew John Davis,Stefano Laureti,Luca Senne complex, interconnected difficulties facing sustainable development today requires the cooperation of all parties. The tension, friction, and uncertainty that result from differences offer significant opportunity for the inventive creation of workable solutions, which responsible leaders must comp作者: crockery 時(shí)間: 2025-3-27 10:34 作者: miracle 時(shí)間: 2025-3-27 14:13 作者: 宣傳 時(shí)間: 2025-3-27 20:12
Excitation and Deconvolution in Ultrasound Nondestructive Testing Systemstative measure of system performance, they are indispensable tools to drive formal optimization strategies and for comparing different approaches. Application-related merit factors are introduced for trying to overcome some current limitations and to prepare the ground for the extension of ultrasoni作者: GUEER 時(shí)間: 2025-3-27 22:05
Excitations and Signal Processing for Multiprobe Setups view introduced for single-probe systems. Finally, various classes of signals that can be adopted in MIMO NDT systems are described. These excitations may be designed according to random or deterministic approaches. In better detail, special techniques based on tessellation of the time-frequency (T作者: HILAR 時(shí)間: 2025-3-28 05:28
Standard Soft Computing Techniques for Characterization of Defects in Nondestructive Evaluationunity with the development of efficient and accurate methodologies also in terms of vagueness management. Considering the technological transfer point of view, the approaches developed so far are burdened by a less than desirable computational complexity that translates into expensive hardware requi作者: 立即 時(shí)間: 2025-3-28 08:40 作者: 施魔法 時(shí)間: 2025-3-28 13:32
Ultrasonics for the Diagnosis of a Trachite Stone Wall from signals obtained by direct measurements on a real stone masonry with a known internal cavity. Then measurements have been related to the known geometry to verify the actual correlation with the characteristics of the traversed paths.作者: Living-Will 時(shí)間: 2025-3-28 18:28 作者: Custodian 時(shí)間: 2025-3-28 22:38 作者: palliative-care 時(shí)間: 2025-3-28 23:31
Book 2015 this book is the result of the common effort of six University Research Groups that focused their research activities for two years on this specific objective, working in direct conjunction with primary industrial firms, in a research project funded by the Italian government as a Strategic Research Project.作者: hardheaded 時(shí)間: 2025-3-29 06:59
Luigi Battaglini,Pietro Burrascano,Marco Ricci,Luca Senni helps to explain the historical development of applied linguistics, but also provides a potential justification for solutions to language problems. It presents us with nothing less than an emerging theory of applied linguistics..978-3-319-82416-1978-3-319-41731-8Series ISSN 1572-0292 Series E-ISSN 2215-1656 作者: 配偶 時(shí)間: 2025-3-29 08:42
ed their research activities for two years on this specific objective, working in direct conjunction with primary industrial firms, in a research project funded by the Italian government as a Strategic Research Project.978-3-319-38164-0978-3-319-10566-6作者: 報(bào)復(fù) 時(shí)間: 2025-3-29 12:17 作者: 傻 時(shí)間: 2025-3-29 16:01
evelopment that results from the overwhelming impact of trauma which includes both fear and pain (Strong 1998: 65). However, the word ‘trauma’ comes from the Greek word meaning ‘to pierce’ which Bentovim explains as a piercing of the protective layers of the mind (1992: 24). Victims of such overwhel作者: 厚臉皮 時(shí)間: 2025-3-29 21:22
explain why scientifically trained university students insisted on condemning poverty stricken victims as “l(fā)azy and no good” while denying the evidence of their victimization by overwhelming economic changes. The explanation offered for that seemingly motivated resistance was that people, for the s作者: Finasteride 時(shí)間: 2025-3-30 03:10 作者: modest 時(shí)間: 2025-3-30 06:25
