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单词 Dipole
例句
1. In this case a substantial internal magnetic dipole moment is expected.
2. The upper limit on the internal magnetic dipole moment is only 0.00005 of that of the Earth.
3. Torque on a Magnetic Dipole in a Constant Field.
4. Second, many physicists believe the electron's electric dipole moment is a manifestation of the asymmetry that causes the universe to be made of matter.
5. If we assign the direction of the calculated dipole moment from negative to positive, then the dipole moment calculated from STO—GTF minimum basis set is comparable with the experimental results.
6. These are all models of equivalent dipole based on a single slice of time.
7. A RFID dipole tag antenna with meander-line is manufactured, and a measurement on the impedance of RFID tag antenna with a baffle-board is presented.
8. The elastic interaction between a wedge disclination dipole and an interfacial crack was investigated.
9. The log-period dipole array is applied as a feed element for a back-fire antenna.
10. The coaxial collinear printed dipole structure used to improve gain and arrays with good coherence.
11. This method is suitable for the magnetic dipole in any direction.
12. Carefully analysis and study electric dipole exposure to electromagnetic fields generated by the structure, clearly the characteristics of far-field and near-field .
13. Theoretical design of the dipole cesium beam tube is discussed.
14. The reason for the low upper limit on the internal magnetic dipole moment is not properly understood.
15. In order for a planet to possess a magnetosphere it need not have an internal magnetic dipole moment.
16. The rotation depends on the scalar product of the electric dipole and magnetic dipole transition moments.
17. A revealing difference between gravitational and electromagnetic radiation is that dipole radiation is absent in the gravitational case.
18. Observations by Mariner 10 have demonstrated that Mercury does have an intrinsic magnetic dipole moment.
19. Based on the theory of acoustics, this paper analyzes the character of geometrical spreading loss of finite line sound source on three types of directivity-monopole, intermediate pole and dipole.
20. The results show that the method can skip over the P-Wave and exactly pick the first S-Wave arrival in dipole shear wave log in slow formation.
21. The system comprises an input unit ( a microphone) for inputting the audio data or other information into a magnetostatic field generated by a magnetic dipole.
22. This article gives a description of a method to ascertain the magnetic field at any arbitrary point of magnetic dipole space by a kind of reciprocity principle.
23. The free energy of solvation is well correlated with the dipole moments of 2 thioxanthine tautomer.
24. The definition of effective resistivity used in electromagnetic sounding induced by horizontal electric dipole on layered earth and its algorithms was discussed.
25. Electrode effects, which are always a hindrance when the Dipole - Dipole array is used.
26. The interaction intensity was decided by such elements as the laser frequency, laser intensity, the dipole of material, detuning and the concentration of resonance particles.
26. try its best to collect and create good sentences.
27. Because of the reflected field the spontaneous emission rate of an electrical dipole in semiconductor microcavity is different from that in free space.
28. We use a circular polarization antenna and a two - element dipole antenna array to cancel the interference.
29. The results of simulational experiment show that the method of passive ranging and tracking is effective and fairly precise by the magnetic dipole sour ce within the undersea functional range.
30. The normalized effective conductivity of the composite can be viewed as a function of the dipole polarizability and the volume fraction of the fiber.
31. The Cis-Trans photoisomerization and thermal isomerization of azobenzene group was main reason that caused the dipole orientational relaxation.
32. The H - shaped dipole radiator changes the single - sided radiator oscillator into double - sided.
33. It is demonstrated that, to the half-wave dipole antenna, meander-line dipole antenna has the better feature of miniaturization while maintaining the required radiation efficiency.
34. The measure principle of hot electric dipole and compensation of cold site are detailedly discussed.
35. Light fastness of anthraquinone dyes was affected by many factors and it was mainly determined by dye structures, such as the kinds and position of substituent groups, dipole moment of the molecule.
36. Because this is a dipole, he chose the pole part of dipole to give us polar covalency.
37. The frequency modulation effects of positive dipole (unipole) forcing source on LFO is stronger than negative dipole (unipole), and the wave oscillation quicken evidently.
38. Billboard Antenna is an array of parallel dipole antennas with flat reflectors, usually positioned in a line or plane.
39. Wide tabular minoralization can generally be detected more successfully with a pole - Dipole or DipoleDipole array.
40. So now that means if this is where the center of positive excess charge lies and on top of it is the center there is no displacement of the charge so there is no net dipole.
41. The frequency response of radiation pattern a linear dipole antenna by Hertz dipoles field summation approximation.
42. By use of numerical approximation method, the paper uses the polynomial to approach segmentally the transient electric field from dipole dipole array.
43. The scattering of dipole antenna array and microstrip antenna array is discussed in this paper.
44. A departure from Platonic perfection is predicted to be caused by the particle's electric dipole moment.
45. In this paper, the 3 D velocity fields in the furnaces' arch area for a conventional stock boiler and the model with dipole vortex device were measured by the hot wire aerometer.
46. The analytical expressions of electromagnetic fields of a vertical electric dipole (VED) over a spherical conductor covered by a dielectric layer have been developed in this paper.
47. Using radiation pressure and optical dipole forces, atoms that roam in gases at a few hundred meters per second are now routinely slowed down to velocities of a few millimeters per second.
48. Besides their putative electric dipole moment electrons have a real and measurable magnetic dipole moment.
49. The electric dipole of the electron due to spin-orbit coupling plays an essential role in spintronics theory.
50. The parabolic antenna fed with half - wave dipole , with circular disc short - focus parabolic reflector was studied.
51. However, the pure IOD (Indian Ocean Dipole) and pure ENSO are difficult to excite teleconnection wave train in the Southern Hemisphere, which further confirms the interaction between them.
52. Finely, the radiation of the electric dipole and magnetic dipole are discussed under the two potential formulation.
53. Dipole ground penetrating radar (GPR) antennas radiate linearly polarized wave with the predominant polarization direction parallel to the long axis of the antenna.
54. Through the QED method, the dipole emission density and system energy decay equation were obtained.
55. Some parameters such as molar refractivity, frontier orbit energy, dipole moment, atom net charge of triazines were obtained by using the method of quantum-chemistry calculation.
56. The relative electric parameters of half-wave dipole are calculated using the central difference method,[http:///dipole.html] and-the results perfectly accord with the references.
57. Wateris dipole ? ? s can and many other substances dissolved phase.
58. Using MATLAB software, paint Far Zone structure of the magnetic field and electric field intensity strength graphics, so visual, clearly expressed electric dipole radiation field characteristics.
59. The dipole does not radiate energy in the direction of its axis.
60. The shift of the guiding center and the dipole current are worked out.
61. So it avoids the distortion of electric cloud distribution in basis sets and can obtain a more precise computational result of the electric dipole moment of a given system.
62. Electric Dipole Radiation. The Radiation Field, the Near Fields. Radiated Power. Example: Charge in Circular Motion.
63. Only magnetic dipole and higher multipole configuratons occur in nature.
64. The used solvents when the specimen were prepared will affect material structure and consequently affect the nonlinear optics stability of molecular dipole polymer electrets .
65. For a UWB communication system, by using differential characteristic of Herz magnetic dipole antenna, the narrow pulse can be produced from the rise edge of input square-wave signal.
66. The nitroalkanes have high dipole moments in the range of 3 . 5 - 4 . OD.
67. The arc curving of several typical half wave dipole wire antennas were investigated.
68. Chain formation precedes the crosslinking reaction that ultimately suppresses all dipole mobility during curing.
69. As for the horizontal electric dipole, SIM decomposes the Green's function into the complex images and the simulated images respectively.
70. Dielectric constant of materials depended on dipole polarization, electron polarization and atom polarization inner materials.
71. Third, a small dipole moment can guarantee manifestation of the large macroscopic second - order susceptibility.
72. The stronger (weaker) the intensity of dipole or unipole forcing source and basic flow, the periods of LFO the shorter(longer).
73. The influence of current leakage from horizontal electric dipole on frequency electromagnetic sounding data was studied in this paper.
74. According to the model of permanent magnet magnetic dipole, we have concluded the axial magnetic field distribution of square magnet and discussed the demagnetizing factor inside the magnet.
75. Taking the half-wave dipole for example, the numerical calculations is performed by the technique.
76. In this thesis, we describe the design of the printed planar log periodic dipole antenna.
77. The cylindrical permanent magnet inside micro-robot was equivalent to magnetic dipole. The magnetic orientation equation based on magnetic dipole model was established.
78. This BALUN can effectively compensate the series reactances by introducing a shunt resonant circuit and thus achieve the maximum bandwidth of microstrip dipole antenna.
79. Then for complicated sine integral and prolix formulae, the study on symmetrical dipole can be easily solved by MATLAB.
80. The dipole oscillator sum can be expressed in terms of the integrated photo absorption cross section.
81. To lose sight of paired magnetic dipole brim and to equate bound current element, making certain direction and magnitude of a force upon it by Ampere Law.
82. Any heteronuclear diatomic molecule must have a dipole moment since its two ends are different.
83. This paper presents a digital method to calculate the EM response of a three-dimen-tional conducting permeable body which is subjected to an alternating magnetic dipole field in free space.
84. This paper use the horizontal electric dipole source for the emission, present the methods and principle of CSEM.
85. The permanent electric dipole moment (PEDM) of hydrogen atom is calculated in classical mechanics and double-wave mechanics.
86. Y-fractal element has three symmetrical axils, so this kind of element has better circularly polarized character than cross dipole element that has two symmetrical axils.
86. Wish you can benefit from our online sentence dictionary and make progress every day!
87. According to the theory of magnetic dipole, the leakage field model of a high-pressure-tube with linear defect was established in vertical low-intensity field.
88. Forbidden transitions are those for which dipole radiative transitions are not allowed by the selection rules.
89. Based on single magnetic dipole model, the spatial filtering method of cardiac magnetic signal in the frequency domain was investigated.
90. This paper deals with an active nutation control scheme by using the interaction of the geomagnetic field with a magnetic dipole on the satellite.
91. The frequency modulation effects of positive (negative) dipole or unipole forcing source on LFO in the mid-high latitudes are difference.
92. In this paper, the simple analytical expressions of the electromagnetic field induced by a vertical electric dipole on the perfect conductor coated with a layer of dielectric medium has teen obtained.
93. The calculated results indicated that the compound (3) had a lower energy difference between HOMO and LUMO, larger dipole and higher formation energy than the compound (1) and (2).
94. A log - periodic dipole antenna is analyzed by using circuit - array approach.
95. Conclusion Dipole, molecular surface area, stability of acid amide bond and Q C13 are important factors affecting the anti-HBV activity of matrine type alkaloid compounds.
96. Methods:The EEG of undergoing multichannel, various types and combined with image data were analyzed in 15 patients with LGS. Epileptiform waves were also analyzed by dipole localization method.
97. We studied gas and water discrimination problem in carbonate reservoir with dipole shear wave FMI log in northeastern Sichuan.
98. Using the dipole concept, a new consistency criterion is given and a group method of data handling (GMDH) cluster analysis approach is presented.
99. The EM response function from a conducting (both electric and magnetic) sphere in a dipole field is calculated by using the continued fraction technique, and the resultant data and diagram are given.
100. The conformational change of kinesin is described by the rotation of a dipole microtubule.
101. Based on the spatial distribution of magnetic dipole, the equation of the normal component of leakage magnetic field on the tube surface under low-intensity field was derived.
102. To obtain the balanced feed for the dipole antenna driven by a coaxial transmission line, a coplanar waveguide fed structure is used.
103. The results indicate that a half-wave dipole array has good performance when array element space is also half-wave.
104. According to the similarity between the propagation of magnetic dipole source TEM field and reflected-seismic wave, it is proposed to explain TEM data with the pseudo-seismic interpretation.
105. By taking a current-carrying ring as an example, the far magnetic field of magnetic dipole is obtained by using Biot-Savart law.
106. Such a phenomenon is discussed based on the formula of magnetic dipole reduced transition probability deduced from the Cranking Shell Model and Particle Rotor Model respectively.
107. When the double and array dipoles are put in the conductive media, the formula of radiation field of them have been derived from vector potential equation of single dipole.
108. In a spherical nucleus, the coupling term implies an interweaving of the quadrupole and dipole motion.
109. This article calculated out the field intensity of a electric dipole uniformly moving along the axis of the dipole using the transformation relation in the relativistic theory.
110. It recommends that the calculation of geometrical spreading loss of running trains noise adopt the theories calculation formula or the simplified formula of directional characteristic of dipole.
111. In this paper we discuss harmonic oscillator in an electromagnetic field in the electric dipole approximation.
112. We now show how to calculate molecular dipole moments from wave function.
113. The distributed static capacitance of the dipole antenna was solved by finite difference method. The influences of the antenna configuration coefficients on the distributed capacitance were analyzed.
114. In this paper, a low profile, L-band printed dipole element antenna with broad bandwidth is developed.
115. A coaxial antenna is a variant of the dipole antenna, designed for use with an unbalanced feed line.
116. The algorithm can locate multiple dipolar source by scanning a single - dipole model through the whole volume.
117. The expectation value of atom dipole moment is always zero,[/dipole.html] but the fluctuation of dipole moment is a constant and not zero during the atomic spontaneous emission.
118. The far field radiation shows as a single small electric dipole for groups of straight currents in a small region.
119. The general formulas of radiation from dipole antenna in a circular waveguide are given by means of dyadic Green's function and field transformation.
120. The far field shows the radiation of a single small electric dipole for groups of straight currents in a small region.
121. The attraction between covalent bonds molecules is the interaction of electrical dipole moment.
122. A method, covering the antenna with an antenna radome, is proposed in the paper to realize the broadband impedance matching of the half-wave dipole antenna.
123. Magnetic dipole model is one simple but applied broadly magnetic model, and especially applied broadly in the magnetic detecting field.
124. An orbiting electron in an atom will have a magnetic dipole moment.
125. The magnetic leakage field distribution above linear defects of a tube sample under the geomagnetic field was modeled according to magnetic dipole theory.
126. We derive an accurate and analytical expression for electromagnetic fields of a vertical magnetic dipole over an anisotropic uniaxial medium half-space.
127. Dipole localization techniques favor MEG due to the higher accuracy of MEG source localization compared to EEG when using the standard spherical head shape model.
128. Any electric dipole moment would align itself with the the electric field.
129. The exact modeling and simulation for wire junction, wire ring with quadrate shaped, dipole antenna, yagi antenna and log-period antenna are presented as the examples.
130. The mixed source and dipole distribution model was adopted in the new boundary element method in which the singularities are distributed along the body surface and water line inside the body.
131. The newest experimental results of weak interaction constants defined in neutron decay and neutron electrical dipole moment are given.
132. Phenomenological and theoretical interpretation of the dipole moment was discussed in this paper.
133. Very fast simulated annealing method ( VFSA ) is used in cross dipole anisotropy inversion commonly.
134. infra-red absorption takes place only when there is a change of dipole moment.
135. Wide tabular mineralization can generally be detected more successfully with a pole - dipole or dipole - dipole array.
136. Conclusion The dipole moments may be the molecular structural key linkage between formal potential and anthelmintic activity of phenothiazine.
137. Abrupt termination of Indian Ocean dipole events in response to intraseasonal disturbances.
138. A two stage complex image method is proposed to rapidly and precisely calculate the refractive field of an overhead dipole (generalized sommerfeld integral(), GSI) in the earth.
139. Infra - red absorption takes place only when there is a change of dipole moment.
140. When the Cole-Cole model is used to express IP effect, the apparent resistivity of the horizontal electrical dipole under the three-layer where the middle layer is polarized is calculated.
141. The analytical expressions of the electromagnetic field generated by the DC electric dipole in the upper space for the two-layer mode were obtained by using the method of mirror image.
142. Whereas a PICT state is favored by the electron delocalization effect, a TICT state possesses a larger dipole moment and gains better solvation in polar solvents.
143. The molecule has a zero time - average dipole moment.
144. Based on the microwave network theory, the mathematical model of dipole in the array is set up in this paper. The relationship between F1 and F2 is derived.
145. A new type of broadband printed twin dipole antenna is proposed in this paper. Corresponding feed structure of broadside coupled parallel line is also designed.
146. This paper chooses a normal mode helical antenna to replace the short dipole antenna to improve efficiency.
147. The influence of ground screen on vertical dipole antenna was studied.
148. The impedance matrix element is calculated by the dipole model method when the distance between the equivalent dipole element and the observation point is beyond a critical distance.
149. The log - periodic dipole antenna is a linearly polarized frequency independent antenna of moderate gain.
150. The energy pattern, total radiation energy, radiation efficiency and radiation resistance of standing-wave dipole excited by rectangular pulse are discussed.
151. Very fast simulated annealing method (VFSA) is used in cross dipole anisotropy inversion commonly. A modified VFSA was provided.
152. A receiver (30) with an antenna circuit is disclosed, which antenna circuit comprises a coil (31) and either a monopole (35) or a dipole connected to the coil (31).
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