標(biāo)題: Titlebook: Noise and Vibration Mitigation for Rail Transportation Systems; Proceedings of the 1 Jens C.O. Nielsen,David Anderson,Paul de Vos Conferenc [打印本頁] 作者: metabolism 時(shí)間: 2025-3-21 19:54
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書目名稱Noise and Vibration Mitigation for Rail Transportation Systems讀者反饋學(xué)科排名
作者: Jejune 時(shí)間: 2025-3-21 23:32
J. Oertlito develop agents with improved nuclease resistance and hybridization ability, a large number of chemically modified oligonucleotides (ONs), especially RNA analogs, have been designed and prepared. However, this has led to ONs with overly complex structures, resulting in a lack of biocompatibility w作者: 拍下盜公款 時(shí)間: 2025-3-22 02:54 作者: 嚴(yán)厲譴責(zé) 時(shí)間: 2025-3-22 07:04
F. B. J. Elbers,E. Verheijentic potential. Nucleic acid-based therapeutics are attracting much attention, and numerous therapeutic oligonucleotides, such as antisense oligonucleotides, siRNAs, splice-switching oligonucleotides, and nucleic acid aptamers, are being evaluated in clinical trials for the treatment of a variety of 作者: 有雜色 時(shí)間: 2025-3-22 10:52
B. Betgen,P. Bouvet,G. Squicciarini,D. J. Thompson,C. J. C. Jonesst 1984. It was designed to demonstrate to experienced earth scientists from the North Atlantic area the full range of geological phenomena encountered in the British Caledonian rocks. The ASl travelled from South Wales to the far northwest of Scotland by the route shown on the map and in doing so e作者: PHIL 時(shí)間: 2025-3-22 16:08 作者: 地名表 時(shí)間: 2025-3-22 18:34
M. ?gren,H. Andersson,T. Jerson, beta-lactam antibiotics will for many years to comecontinue to play a prominent role in our therapeutic arsenal. Thisbook covers the industrial development of the chemical and biochemicalprocesses used to manufacture these products, as well as looking aheadto possible future processes. The interpl作者: 有常識(shí) 時(shí)間: 2025-3-23 00:32
B. E. Croft,B. Dowdell,D. Hanson,D. C. Andersonplexes can be made from closedshell tetrylidyne complexes.Ou.This book explores the development of the first open-shell heavier tetrylidyne complexes featuring a tetrel-centered unpaired electron, and unprecedented metallatetrylidynes containing a multiply-bonded, linear-coordinated single heavier t作者: jocular 時(shí)間: 2025-3-23 02:36 作者: 褪色 時(shí)間: 2025-3-23 07:26
J. Hlavá?ek,L. Hejzlar,R. Kolma?kaplexes can be made from closedshell tetrylidyne complexes.Ou.This book explores the development of the first open-shell heavier tetrylidyne complexes featuring a tetrel-centered unpaired electron, and unprecedented metallatetrylidynes containing a multiply-bonded, linear-coordinated single heavier t作者: gorgeous 時(shí)間: 2025-3-23 09:49 作者: Decongestant 時(shí)間: 2025-3-23 14:56
J. Han,X. B. Xiao,R. Q. Wang,X. Zhao,G. T. Zhao,X. S. Jingroups. Simultaneously, many attempts have been made to describe theoretically the behavior of polymeric networks. Generally accepted modern theories predict that networks acquire a noticeable flexibility only in the case that the distance between two neighbor junction points exceeds the length of c作者: Mammal 時(shí)間: 2025-3-23 18:32
J. Gomes,J. Hald,B. Ginn terminated diamond. Within our solar system, primitive chondritic meteorites (among the most well preserved, least altered, and least metamorphosed material that initially formed in our solar system) have been found to contain pristine dust grains that predate the formation of the solar system. Nan作者: Occipital-Lobe 時(shí)間: 2025-3-24 01:39
B. Faure,E. Bongini,A. Renoncourt,A. Pouzetsses are presented, based on the apparent heat-flow and heat capacity (..). The experimental, apparent heat capacity results from measurements by adiabatic calorimetry, standard differential scanning calorimetry, and temperature-modulated differential scanning calorimetry are interpreted in terms of作者: 外來 時(shí)間: 2025-3-24 06:22
Railway Noise Control in Europe: Current Status,cially the noise emitted from freight trains..European Union policy supports noise reduction and has addressed the issue in interoperability directives and corresponding technical specifications. The Environmental Noise Directive (END) requires member states to submit noise maps and action plans. Th作者: Fierce 時(shí)間: 2025-3-24 09:16 作者: Adulterate 時(shí)間: 2025-3-24 14:21 作者: 放逐 時(shí)間: 2025-3-24 18:04
State-of-the-Art of the Noise Emission of Railway Cars,elopments in technology..The state-of-the-art of noise emissions of European rail vehicles was determined on the basis of a collection of TSI?Noise data of railway cars. From these data the state-of-the-art of the noise emission of European railway cars was derived..The results indicate that the mos作者: Engaging 時(shí)間: 2025-3-24 20:43
Estimating the Performance of Wheel Dampers Using Laboratory Methods and a Prediction Tool,ost efficient way to determine their effect. The DEUFRAKO project STARDAMP had the aim of supporting the transfer of wheel and rail dampers from the research phase to their regular application. One goal of the project was the development of a prediction tool that is dedicated to the estimation of th作者: 舔食 時(shí)間: 2025-3-25 02:11
Estimating the Performance of Rail Dampers Using Laboratory Methods and Software Predictions,here is no standardized method to assess the performance of rail dampers. The method described here, developed during the Franco-German STARDAMP project, uses laboratory tests and computer simulation to avoid the need for expensive and time-consuming field trials. The premise of the method is that t作者: 防御 時(shí)間: 2025-3-25 03:50
Experimental and Theoretical Studies on Impact Noise Generation due to Rail Joints, an attempt is made to understand the impact noise generation mechanism experimentally and theoretically. By performing static and running tests, vibratory properties of the track and wheel are investigated first. Second, on the basis of the measurements in the tests, a theoretical model to predict 作者: BAIL 時(shí)間: 2025-3-25 07:49
An Explicit Integration Finite Element Method for Impact Noise Generation at a Squat, rail and some other track components are modeled with finite elements in three dimensions, where necessary and appropriate. Realistic contact geometry, including geometric irregularity (squat) in the contact surfaces is considered. The integration is performed in the time domain with an explicit ce作者: miniature 時(shí)間: 2025-3-25 12:59 作者: indubitable 時(shí)間: 2025-3-25 19:11 作者: 水土 時(shí)間: 2025-3-25 23:09 作者: 揭穿真相 時(shí)間: 2025-3-26 03:00
On the Importance of Accuracy of Geographic Model Data for Noise Impact Studies,on its network. The new system requires that ProRail computes the noise impact of the yearly traffic on about 60?000 reference points. In addition, ProRail has to demonstrate that the noise does not exceed the NPC at any point..ProRail has to compute the noise level at each reference point using the作者: Herpetologist 時(shí)間: 2025-3-26 07:39 作者: COKE 時(shí)間: 2025-3-26 08:35
Characterizing Wheel Flat Impact Noise with an Efficient Time Domain Model,domain wheel/rail interaction model is needed. However, time-domain models are normally time consuming to solve and this makes it difficult to carry out parametric studies and gain insight into physical behaviour. A simple mass-spring equivalent track model is developed here to gain insight into the作者: 獎(jiǎng)牌 時(shí)間: 2025-3-26 16:07
Study on the Sound Radiation Directivity of a Railway Wheel and the Relationship between Directivitn directivity around it. A straight-web metro wheel is studied in this paper with a radial excitation. First, the near-field sound radiation at the natural frequencies is measured in experiments performed in a semi-anechoic room. The natural frequencies here were determined by modal test. The corres作者: 不妥協(xié) 時(shí)間: 2025-3-26 18:54 作者: 血統(tǒng) 時(shí)間: 2025-3-26 21:15
Localizing Noise Sources on a Rail Vehicle during Pass-By,es using beamforming. Based on measurements with an array of microphones, while also measuring the position of the vehicle, the technique calculates the contribution of noise, and visualizes it as a contour plot on top of a picture of the train. Deconvolution is applied in addition to traditional be作者: 易發(fā)怒 時(shí)間: 2025-3-27 03:14 作者: Veneer 時(shí)間: 2025-3-27 08:08 作者: 裙帶關(guān)系 時(shí)間: 2025-3-27 11:22
Jens C.O. Nielsen,David Anderson,Paul de VosFosters a better understanding of all important topics and current challenges in the field of railway noise and vibration.Proposes solutions for a variety of issues related to railway noise and vibrat作者: Invigorate 時(shí)間: 2025-3-27 14:26 作者: PANEL 時(shí)間: 2025-3-27 21:11 作者: Entropion 時(shí)間: 2025-3-28 01:57 作者: 向下五度才偏 時(shí)間: 2025-3-28 03:58 作者: 狂怒 時(shí)間: 2025-3-28 07:34
Railway Noise Control in Europe: Current Status,alues. 2) Promote the retrofitting of existing freight vehicles with composite brake blocks. 3) Build noise barriers and install insulated windows. 4) Pursue further solutions in special cases..Noise differentiated track access charges (NDTAC) have been proposed as the main incentive for retrofittin作者: Dysplasia 時(shí)間: 2025-3-28 11:54 作者: cloture 時(shí)間: 2025-3-28 18:34 作者: Introduction 時(shí)間: 2025-3-28 20:29
Estimating the Performance of Rail Dampers Using Laboratory Methods and Software Predictions, has been considered for track constructions typical in the UK and a regional train travelling at 120 km/h. For track fitted with ‘soft’ 120 MN/m rail pads, the dampers are predicted to reduce the total level by 2.5 dB(A) while with the ‘stiff’ 800 MN/m pads a 0.7 dB(A) reduction is expected.作者: neutrophils 時(shí)間: 2025-3-29 00:26
Experimental and Theoretical Studies on Impact Noise Generation due to Rail Joints,t noise at one rail joint is estimated quantitatively. The results show that the sleeper has the greater contribution below 630 Hz, whilst the wheel is predominant above 2000 Hz. By using the prediction model, the overall trends in noise are well predicted. Also, the model gives an estimate of the c作者: Free-Radical 時(shí)間: 2025-3-29 05:24
On the Importance of Accuracy of Geographic Model Data for Noise Impact Studies,ammetric measurements with its inherent measurement and processing (in)accuracy..To investigate the sensitivity of the calculations to small data collection inaccuracies, we have done an extensive parameter study. We performed parameter variations in the national-scale model and analyzed the resulti作者: Carcinogen 時(shí)間: 2025-3-29 09:47
Study on the Sound Radiation Directivity of a Railway Wheel and the Relationship between Directivitve bands and modes are recorded at a total of 667 measuring points. A radial mode (r, 2) and an axial mode (1, 2) are taken as examples to derive empirical equations of directivity pattern. A model developed by the boundary element (BE) method is found to simulate the directivity pattern more precis作者: 拋媚眼 時(shí)間: 2025-3-29 12:13 作者: Gastric 時(shí)間: 2025-3-29 16:48
Localizing Noise Sources on a Rail Vehicle during Pass-By, part of the train for frequencies around 600 Hz - 800 Hz with a radiated sound power that was approximately 5 dB above the noise radiated by the noisiest bogies. The cause of this noise is yet unknown, but a potential explanation could be an aerodynamic phenomenon at the front.作者: 審問,審訊 時(shí)間: 2025-3-29 19:55 作者: preservative 時(shí)間: 2025-3-30 01:04 作者: Exterior 時(shí)間: 2025-3-30 07:07
this part of the study programme for many years. Not only has he acquired vast experience in teaching airplane design at university level, but he has also been deeply involved in design-oriented re- search, e.g. developing rational design methods and systematizing design information. I am very pleased that th978-90-481-8273-2978-94-017-3202-4作者: 協(xié)迫 時(shí)間: 2025-3-30 11:05
J. Oertlid nuclease resistance, as well as biocompatibility with natural RNA, and was used effectively as a chemically modified siRNA and for isolation of 4′-thioRNA aptamers. Current progress in the development of a new RNA bioisostere 4′-selenoRNA, which contains a selenium atom, is also described.作者: absorbed 時(shí)間: 2025-3-30 13:58
P. H. de Vostaining 3′-.,4′-.-propylene linkage can be incorporated into the third position of 2′,5′-oligoadenylate (2-5A) to maintain biological activities with nuclease resistance. This modified 2-5A with 3′-.,4′-.-propylene adenosine could be useful for novel anti-cancer and anti-viral reagents as an RNase L作者: DOTE 時(shí)間: 2025-3-30 19:12
F. B. J. Elbers,E. Verheijenesh ideas in nucleic acid chemistry that may ultimately lead to novel concepts and techniques and the discovery of more effective nucleic acid drugs. The book will be of high value for both established researchers in the field and students intending to specialize in nucleic acid chemistry research. 作者: prostatitis 時(shí)間: 2025-3-30 23:59 作者: Monocle 時(shí)間: 2025-3-31 02:55
M. G. R. Toward,G. Squicciarini,D. J. Thompson,Y. Gaoplands. Wales (1-5) afforded insight into the nature of the late Precambrian basement of England and Wales and the relationship of sedimentary and volcanic cover sequences to this basement. The Ordovician sequence in Wales is a sample of the volcanic rocks typical of a marginal basin, and were exami作者: Epidural-Space 時(shí)間: 2025-3-31 07:28
M. ?gren,H. Andersson,T. Jersonas well as molecular precision in syntheticapproaches to beta-lactams, their precursors and derivatives. Processtechnology studies including new reactor concepts, possible short-cutroutes and improved down-stream-processing methods complete a broadview on the scope and limitations of the presently developedin978-94-010-3851-5978-94-010-0850-1作者: 泛濫 時(shí)間: 2025-3-31 10:12 作者: 使聲音降低 時(shí)間: 2025-3-31 13:43
J. Gomes,J. Hald,B. Ginnond isolates from meteorites suggests at least a subpopulation of the nanodiamonds formed in association with supernovae. However, all attempts to isolate that subpopulation have failed and the exact nature of the Xe carriers is not known. Asymptotic giant branch (AGB) carbon stars are a likely sour作者: 津貼 時(shí)間: 2025-3-31 18:36 作者: 土坯 時(shí)間: 2025-3-31 23:38
Noise and Vibration Mitigation for Rail Transportation SystemsProceedings of the 1作者: 機(jī)密 時(shí)間: 2025-4-1 02:41 作者: Integrate 時(shí)間: 2025-4-1 09:07
A. H. W. M. Kuijpers,M. S. Roovers,G. H. Groenveldrization and reactivity studies of these novel complexes that uncovered a plethora of exceptional products, including a novel m3-silicido complex, the first dimetallasilacumulene with a linear, two-coordinated 978-3-030-02625-7Series ISSN 2190-5053 Series E-ISSN 2190-5061 作者: CLIFF 時(shí)間: 2025-4-1 13:14
J. Hlavá?ek,L. Hejzlar,R. Kolma?karization and reactivity studies of these novel complexes that uncovered a plethora of exceptional products, including a novel m3-silicido complex, the first dimetallasilacumulene with a linear, two-coordinated 978-3-030-02625-7Series ISSN 2190-5053 Series E-ISSN 2190-5061 作者: Tortuous 時(shí)間: 2025-4-1 16:12 作者: 有限 時(shí)間: 2025-4-1 21:30
