Attenuation相关论文
This study investigated the crustal attenuation structures of Sg and Lg waves of the northeastern Tibetan Plateau.We col......
In order to using power sound wave increase permeability of coal, rules of attenuation of sound wave in coal should be s......
The numerical simulation on electromagnetic wave attenuation characteristics of coal face in time-fr
This paper took the abnormal geological objects with high or low resistivity in the coal face as the background to estab......
Propagation simulation and attenuation law analysis of seismic wave in elastoplastic tunnel rock med
The energy caused by the dynamic impact in mining engineering forth release and spread by the way of seismic waves, moni......
Analysis of railway subgrade refers to static stress and dynamic stress,and the design of ordinary railway subgrade with......
This paper indicates the requirements of non-destructive testing for pressure vessels in-service,researches the propagat......
Capsule of Streptococcus equi subsp.zooepidemicus hampers the adherence and invasion of epithelial a
Direct interaction between pathogens and host cells often is a prerequisite for colonization, infection and disseminatio......
Persistence and migration of tetracycline,sulfonamide,fluoroquinolone,and macrolide antibiotics in s
The potential persistence and migration of 14 antibiotics comprising sulfonamides,fluoroquinolones,macrolides and tetrac......
The importance of acoustic properties(i.e.,sound speed and attenuation)in marine sediment is well known in the field of ......
Inactivation of SAM-methyltransferase is the mechanism of attenuation of an historic louse borne typ
Louse borne typhus(also called epidemic typhus)was one of mans major scourges and epidemics of the disease can be reigni......
报道了用圆偏振技术进行水下目标成像结果并分析了用圆偏振技术提高图像清晰度的原因:推导了水下目标最远成像距离的计算公式,在衰......
利用自行研制的PVDF压电膜传感器实时测量了高功率密度脉冲激光辐照到铝材料表面时在靶材中诱导的激光冲击波压力,通过对不同厚度......
The effects of gamma ray(γ-ray)radiation and electron beam(e-beam)radiation on Rayleigh scattering coefficient in singl......
Vegetation in wetlands is a large-scale nature-based resource that can provide multiple benefits to human beings and the......
Modeling the efects of fracture infll on frequency‑dependent anisotropy and AVO response of a fractu
In a fractured porous hydrocarbon reservoir,wave velocities and refections depend on frequency and incident angle.A prop......
Parametric identification for material of viscoelastic SHPB from wave propagation incorporating geom
Split Hokinson pressure bar (SHPB) made of viscoelastic material is widely used to test soft materials at high strai......
Hindukush is an active subduction zone where at least one earthquake occurs on daily basis. For seismic hazard studies, ......
Seismic coda wave is the tail portion of the earthquake record after main arrivals. Studies on the coda usually focus on......
Assessing plant water status is important for monitoring plant physiology. Previous studies showed that radio waves are ......
Detection of plant water status is important for monitoring plant physiology. Previous studies showed that radio waves a......
Heavily populated by Beijing and Tianjin cities,Bohai basin is a seismically active Cenozoic basin suffering from huge l......
The paper introduces firstly the seismic loss assessment method based on macro-economic indicators and new vulnerability......
Diagnostic value of controlled attenuation parameter for liver steatosis in patients with chronic he
AIM:To study the diagnostic value of controlled attenuation parameter(CAP),evaluated by transient elastography,for liver......
AIM:To assess the performance of controlled attenuation parameter(CAP)in patients with chronic viral hepatitis.METHODS:C......
AIM:To compare ultrasound-based acoustic structure quantification(ASQ) with established non-invasive techniques for grad......
AIM:To establish and validate a simple quantitative assessment method for nonalcoholic fatty liver disease(NAFLD)based o......
选取青海大通地区一次地闪过程的雷声信号,利用信号处理理论,得到了观测点雷声的频谱;依据声波在大气中传播的理论,计算了大气对雷......
<正> We have measured the penetrating properties of γ-rays through different materials with a γ-ray spectrometer compo......
Seismic traveltime, amplitude and pulse-width can be used to reconstruct seismic velocity and attenuation coefficient im......
Nonlinear effects will occur during the transmission of the finite amplitude wave in biological tissues. The theoretical......
Diagnosis of Unmagnetized Plasma Electron Number Density and Electron-neutral Collision Frequency by
The plasma diagnostic method using the transmission attenuation of microwaves at double frequencies (PDMUTAMDF) indicate......
Variation of karst spring discharge in the recent five decades as an indicator of global climate cha
Karst in Shanxi Province is representative of that in northern China, and karst water systems discharge in the form of s......
By employing the plane wave analysis method, the dispersion equations associated with compressional and shear waves usin......
In this work we interpret the data showing unusually strong velocity dispersion of P-waves (up to 30%) and attenuation i......
Wireless sensor nodes have the advantage of being low-cost,easily deployed and of good mobility.If deployed in an underg......
In order to solve the difficulty of detailed recognition of subdivisions of structural coal types,a differentiation mode......
Experiments on acoustic measurement of fractured rocks and application of acoustic logging data to e
Fractures in oil and gas reservoirs have been the topic of many studies and have attracted reservoir research all over t......
An electrochromic variable optical attenuator(ECVOA) was fabricated by layer-by-layer(LBL) assembly of disodium N,N-bis(......
Study on energy output rule on attenuation of small diameter charge detonation wave passing by air-g
In order to study energy output rule on attenuation of small diameter charge detonation wave passing by air-gap,the deto......
A two-dimensional phononic crystal(PC) structure possessing a relatively low frequency range of complete bandgap is pres......
This paper introduces a slurry suspension settlement prediction model for cohesive sediment in a still water environment......
With the development of ski-jump energy dissipation for high and large discharge among the hydraulic projects,the effect......
In this study,we aimed to determine the radiation parameters of some potential bioactive compounds.1-Aryl-3-dibenzylamin......
The characteristic of seismic coda wave attenuation in Yunnan area in 7 frequency-bands range from 1 Hz to 20 Hz was est......
Evaluating Functions of Reservoirs′ Storage Capacities and Locations on Daily Peak Attenuation for G
Flooding is the most prevalent and costly natural disaster in the world and building reservoirs is one of the major stru......
Attenuation of mitochondrial,but not cytosolic,Ca~(2+) overload reduces myocardial injury induced by
Aim:Attenuation of mitochondrial Ca~(2+)([Ca~(2+)]_m),but not cytosolic Ca~(2+)([Ca~(2+)]_c),overload improves contract......
Investigating the influence of gamma ray energies and steel fiber on attenuation properties of react
The effect of gamma ray energies and volume ratio of micro steel fiber(1 and 1.5%) on attenuation properties of reactive......
Test studies on the wave pressure on a breakwater pier show that the influence of transmissivewave pressure on the outsi......
Seismic tomography is a new geophysical technique being developed to meet the needs of mining and engineering projects. ......