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The modified TEM horn antenna with distributed resistor load is presented in this paper, and the radiation properties of the antenna with the shields and absorbers are studied through the three-dimensional finite-difference time-domain (FDTD) scheme.
      
Ultrasonic linear motor using the L-B mode Langevin transducer with an exponential horn
      
An exponential shape horn is adopted to achieve a high linear speed.
      
The classical theory of the transducer horn is used to determine the transducer's longitudinal resonance frequency and configuration dimensions.
      
The different locations of the driving tip on the horn cause different elliptical-shaped vibration trajectories, and how the trajectory's shape variation influences motor mechanical output is studied by using the FEM method.
      
At postnatal day 1, it reached the peak and was expressed in the part which will become the dorsal horn when mature.
      
It then decreased gradually until postnatal week 12, when it presented in the ventral horn.
      
CAPOn and neuronal nitric oxide synthase (nNOS) was expressed within the same cells of the dorsal horn at postnatal day 1 but had different subcellular localizations.
      
A low proliferation rate leads to a decrease in the number of neurons forming the granule layer of the dentate gyrus and pyramidal neurons in the CA-1 field of the horn of Ammon.
      
Similarity between the testacean communities in the soil microblock samples from horizon A1A2 was at least 0.94 (by Morisita-Horn index of similarity, quantitative data), while in the enzymatic layer of litter it decreased to 0.34.
      
It is proposed to use a combined mirror-horn antenna system.
      
The device consists of a remote sensor with a horn and a digital display unit.
      
The minimum detectable amplitudes of the object vibrations were 0.5 and 1.5 μm at distances from the horn of the autodyne oscillator of 7 and 70 cm, respectively.
      
Application of ram horn powder (RHP) for the preconcentration and determination of copper in various samples by flame atomic abs
      
The use of ram horn powder (RHP) as a new sorbent for the preconcentration of copper(II) was proposed.
      
In particular, it is proved that if G is a bounded set satisfying thel horn condition, then there holds the imbedding[Figure not available: see fulltext.] where
      
Unboundedness of horn with finite positive part of curvature in the Euclidean space
      
As an example illustrating the practical effectiveness of the formulas obtained in the paper, we analyze transformation properties of the Horn seriesG3, whose structure is typical for general hypergeometric functions.
      
A complete classification of the 34 Horn series according to their types and forms is given.
      
It is used to show that the transformations described in this paper permit one to obtain the 147 single transformations of Horn series as well as quite a few repeated transformations.
      
 

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