Homophony avoidance in the grammar: Russian nominal allomorphy

Phonology ◽  
2021 ◽  
Vol 38 (3) ◽  
pp. 401-435
Author(s):  
Andrei Munteanu
Keyword(s):  
Strong Evidence ◽  
Experimental Results ◽  
Sound Changes ◽  
The Asymmetry ◽  
Homophony Avoidance

It has long been observed that languages tend to preserve contrast, either by introducing sound changes or by inhibiting them. However, it is not clear if any instances of so-called homophony avoidance reported to date constitute an active synchronic restriction in the grammar. This paper presents an instance of homophony avoidance in Russian masculine nouns. A perception experiment shows that the trends observed in the corpus are only partially extended to nonce words. I argue that the asymmetry observed in the experimental results can only be attributed to a synchronic restriction against homophonous forms in the same paradigm. Thus this paper presents strong evidence in favour of a synchronic anti-homophony constraint.

Theoretical and experimental studies of the oil film in lubricated point contact

1966 ◽  
Vol 291 (1427) ◽  
pp. 520-536 ◽  
Keyword(s):  
Surface Layer ◽  
Film Thickness ◽  
Strong Evidence ◽  
Experimental Studies ◽  
Point Contact ◽  
Elastohydrodynamic Lubrication ◽  
Experimental Results ◽  
Point Contacts ◽  
Previous Theory ◽  
Oil Film

A technique using Newton’s rings for mapping the oil film of lubricated point contacts is described. A theoretical value for the film thickness of such contacts in elastohydrodynamic lubrication is derived. The experimental results give the exit constriction predicted by previous theory but never shown in detail. The comparison of theoretical and experimental oil film thicknesses, which is satisfactorily accurate, gives strong evidence for a viscous surface layer some 1000Å thick. This film agrees with the known ‘lubricating power’ of the various oils tested.

Use of dFRFs for Diagnosis of Asymmetric/Anisotropic Properties in Rotor-Bearing System

1996 ◽  
Vol 118 (1) ◽  
pp. 64-69 ◽  
Author(s):  
Chee-Young Joh ◽  
Chong-Won Lee
Keyword(s):  
Diagnostic Method ◽  
Experimental Results ◽  
Flexible Rotor ◽  
Coordinate Systems ◽  
Anisotropic Properties ◽  
Rotor Systems ◽  
Input And Output ◽  
Rotor Bearing ◽  
The Asymmetry ◽  
Bearing System

The diagnostic method, which utilizes the dFRFs defined in the stationary and rotating coordinate systems, is tested with a laboratory flexible rotor-bearing system, in order to verify its effectiveness in detection of the asymmetry in shaft and the anisotropy in stator. The experimental results indicate that the dFRFs can be effectively used for the diagnosis of anisotropy and/or asymmetry in rotor systems by the investigation of two kinds of dFRF estimates using the complex input and output signals defined in the stationary and rotating coordinate systems.

Vortex Annihilation Dependence of Chirality in Asymmetric Permalloy Dots

SPIN ◽  
2019 ◽  
Vol 09 (01) ◽  
pp. 1950001
Author(s):  
Kuo-Ming Wu ◽  
Chao-Hsien Huang ◽  
Deng-Shiang Shiu ◽  
Yun Hong ◽  
Kao-Fan Lai ◽  
...  
Keyword(s):  
Aspect Ratio ◽  
Numerical Simulations ◽  
Boundary Effect ◽  
Experimental Results ◽  
Magnetic Disks ◽  
Asymmetry Effect ◽  
Asymmetric Shape ◽  
In Series ◽  
The Asymmetry ◽  
The One

Geometric asymmetry effect on vortex annihilation was investigated in series of submicro-scaled permalloy dots. By introducing the one-side-flat asymmetric shape into circular magnetic disks, the original degenerate signals of vortex annihilation for different chirality are separated into two different trajectories, where the asymmetry level is quantified by an excised angle. The separation of annihilation field for clockwise and counterclockwise vortex shows as a function of the excised angle. The asymmetry influence on the separation of annihilation field is discussed from the view of disk aspect ratio and flat boundary effect. Comparison of experimental results with numerical simulations is also presented.

Fault Diagnosis of Gear Wear Based on Local Mean Decomposition

2012 ◽  
Vol 459 ◽  
pp. 298-302 ◽  
Author(s):  
Hui Li
Keyword(s):  
Fault Diagnosis ◽  
Strong Evidence ◽  
Vibration Signal ◽  
Experimental Results ◽  
New Approach ◽  
Local Mean Decomposition ◽  
Local Mean ◽  
Envelope Signal

A new approach to fault diagnosis of gear wear based on Local mean decomposition (LMD) is proposed. Local mean decomposition can adaptively decomposes the vibration signal into a series of product functions (PFs), which is the product of an envelope signal and a frequency modulated signal. LMD is capable of revealing interesting feature embedded in the signal. The experimental examples are conducted to evaluate the effectiveness of the proposed approach. The experimental results provide strong evidence that the performance of the approach based on local mean decomposition is better to extract the fault characteristics of the faulty gear and can effectively diagnose the gear wear fault.

Asymmetrical Decoupling Model of Six-Phase Autotransformer and its Application

2011 ◽  
Vol 403-408 ◽  
pp. 4089-4093
Author(s):  
Lei Gao ◽  
Wei Ming Tong ◽  
Fan Gang Meng
Keyword(s):  
Phase Shift ◽  
Experimental Results ◽  
Admittance Matrix ◽  
Current Node ◽  
Proposed Model ◽  
Coupling Circuit ◽  
The Matrix ◽  
The Asymmetry ◽  
Node Voltage

In order to analyze the effect of asymmetry of phase-shift transformer on 12-pulse ac-dc converter, this paper sets up a decoupling model of delta-connected autotransformer. Via analyzing coupling circuit of autotransformer, the relation among branch voltage, branch current, node voltage and node current is built, and base on the relation, an admittance matrix containing the information about the connection way and electrical quantities is concluded. Utilizing the matrix, the proposed model is established. Simulation and experimental results show the validity of the model when simulating the asymmetry of delta-connected transformer

Diagnostics of Gold Laser Plasmas

1988 ◽  
Vol 102 ◽  
pp. 357-360
Author(s):  
J.C. Gauthier ◽  
J.P. Geindre ◽  
P. Monier ◽  
C. Chenais-Popovics ◽  
N. Tragin ◽  
...  
Keyword(s):  
Experimental Results ◽  
Pure Gold ◽  
Electronic Temperature ◽  
X Ray ◽  
Laser Plasmas ◽  
Collisional Radiative Model ◽  
Radiative Model

AbstractIn order to achieve a nickel-like X ray laser scheme we need a tool to determine the parameters which characterise the high-Z plasma. The aim of this work is to study gold laser plasmas and to compare experimental results to a collisional-radiative model which describes nickel-like ions. The electronic temperature and density are measured by the emission of an aluminium tracer. They are compared to the predictions of the nickel-like model for pure gold. The results show that the density and temperature can be estimated in a pure gold plasma.

Observation of Phase Contrast Images in STEM and CTEM Modes by Using 100 kV Field Emission Electron Gun

1974 ◽  
Vol 32 ◽  
pp. 390-391
Author(s):  
Y. Harada ◽  
T. Goto ◽  
H. Koike ◽  
T. Someya
Keyword(s):  
Field Emission ◽  
Phase Contrast ◽  
Image Formation ◽  
Fresnel Diffraction ◽  
Experimental Results ◽  
Electron Gun ◽  
Scanning Microscopy ◽  
Emission Electron ◽  
Lattice Images

Since phase contrasts of STEM images, that is, Fresnel diffraction fringes or lattice images, manifest themselves in field emission scanning microscopy, the mechanism for image formation in the STEM mode has been investigated and compared with that in CTEM mode, resulting in the theory of reciprocity. It reveals that contrast in STEM images exhibits the same properties as contrast in CTEM images. However, it appears that the validity of the reciprocity theory, especially on the details of phase contrast, has not yet been fully proven by the experiments. In this work, we shall investigate the phase contrast images obtained in both the STEM and CTEM modes of a field emission microscope (100kV), and evaluate the validity of the reciprocity theory by comparing the experimental results.

A new dissociation mode for dislocations in silicon

1978 ◽  
Vol 36 (1) ◽  
pp. 346-347
Author(s):  
A. Ourmazd ◽  
G.R. Booker ◽  
C.J. Humphreys
Keyword(s):  
Detailed Examination ◽  
Experimental Results ◽  
Dislocation Network ◽  
Weak Beam ◽  
Phosphorus Doped

A (111) phosphorus-doped Si specimen, thinned to give a TEM foil of thickness ∼ 150nm, contained a dislocation network lying on the (111) plane. The dislocation lines were along the three <211> directions and their total Burgers vectors,ḇt, were of the type , each dislocation being of edge character. TEM examination under proper weak-beam conditions seemed initially to show the standard contrast behaviour for such dislocations, indicating some dislocation segments were undissociated (contrast A), while other segments were dissociated to give two Shockley partials separated by approximately 6nm (contrast B) . A more detailed examination, however, revealed that some segments exhibited a third and anomalous contrast behaviour (contrast C), interpreted here as being due to a new dissociation not previously reported. Experimental results obtained for a dislocation along [211] with for the six <220> type reflections using (g,5g) weak-beam conditions are summarised in the table below, together with the relevant values.

Multislice calculations of RHEED patterns from vicinal Si (001)

1993 ◽  
Vol 51 ◽  
pp. 1000-1001
Author(s):  
Scott Lordi
Keyword(s):  
Misorientation Angle ◽  
Incident Angle ◽  
Incident Beam ◽  
Experimental Results ◽  
Bragg Condition ◽  
Vicinal Surfaces ◽  
Kinematic Theory ◽  
Step Edges

Vicinal Si (001) surfaces are interesting because they are good substrates for the growth of III-V semiconductors. Spots in RHEED patterns from vicinal surfaces are split due to scattering from ordered step arrays and this splitting can be used to determine the misorientation angle, using kinematic arguments. Kinematic theory is generally regarded to be inadequate for the calculation of RHEED intensities; however, only a few dynamical RHEED simulations have been attempted for vicinal surfaces. The multislice formulation of Cowley and Moodie with a recently developed edge patching method was used to calculate RHEED patterns from vicinal Si (001) surfaces. The calculated patterns are qualitatively similar to published experimental results and the positions of the split spots quantitatively agree with kinematic calculations.RHEED patterns were calculated for unreconstructed (bulk terminated) Si (001) surfaces misoriented towards [110] ,with an energy of 15 keV, at an incident angle of 36.63 mrad ([004] bragg condition), and a beam azimuth of [110] (perpendicular to the step edges) and the incident beam pointed down the step staircase.

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