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Table of Content
20 December 2005 Volume 24 Issue 12
著者文摘
A.Einstein and the breakthrough on physical concepts
. 2005, 24(12): 1-1.
Abstract
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504
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574
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Einstein＇s great contribution in the breakthrough of some important physical concepts is introduced. These important concepts relate to spacetime theory, quantum theory, cosmonogy and gauge theory.
The roles of relativistic effect in chemistry--Memory in the centenary anniversary of the theory of relativity
. 2005, 24(12): 8-8.
Abstract
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687
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1222
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The relativistic effect is introduced, and it affects to the electron configuration and properties of the 6th periodic elements is discussed. The chemistry of gold, in which relativistic effect plays a significant role, and the chemistry of mercury and silver have compared and illustrated.
A method for solving the period of a simple pendulum
. 2005, 24(12): 14-14.
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650
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997
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A laconic method for solving nonlinear dynamic equation is established, and four new formulas for the period of a simple pendulum are obtained, furthermore the laconic approximation for complete elliptic integral of the first kind is obtained.
The transform between the international and the practical systems of units in electromagnetism
. 2005, 24(12): 18-18.
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581
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562
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The transform relations between the international system of units and the practical one are given in a simple and easy remembarable fashion.
How to excite the metallic surface plasmon resonance by light
. 2005, 24(12): 21-21.
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615
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476
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The Maxwell＇s equations are solved on the metallic surface, and the reason why light can not excite the surface plasmons directly is explained. Otto configuration and Kretschmann configuration are introduced, with which the surface plasmons could be excited by the evanescent wave of incident light, and in these two configurations the relationship of dielectric functions of prism and the medium and the requirement of middle layer thickness are presented.
An analysis of the resonance of flexural vibration of a one-end-fixed steel ruler
. 2005, 24(12): 25-25.
Abstract
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641
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671
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An analysis of the resonance of flexural vibration of a ong-end-fixed steel ruler is made, which shows that there are a lot of discrete modes for its flexural vibration and when the frequency of some stirring force acting thereon is close to that of a mode,this mode will be excited at resonance.
If the Sun disappeared, would the Earth move around the Jupiter
. 2005, 24(12): 28-28.
Abstract
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606
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656
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A misunderstanding： if the Sun disappeared, the Earth would move around the Jupiter is cleared up.
Particle moving in a quantum cylinder well
. 2005, 24(12): 30-30.
Abstract
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543
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391
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The wave function and probability distribution of a particle in a infinite quantum cylinder well and particle moving in a quantum corral are briefly introduced.
The spin-other-orbit interactions of 2 3P states of helium atom
. 2005, 24(12): 33-33.
Abstract
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645
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451
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Theoretical expressions of the spin-other-orbit interaction in helium atom are derived. The orbital integrations and the summations over spin are completed with the help of irreducible tensors.
The total current in hydrogen atom and its classical correspondence
. 2005, 24(12): 36-36.
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674
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384
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The direction. The total that total current is nonvanishing component of mean current density in hydrogen atom is along the latitudinal current is then easily to carry out and its classical correspondence is evident. Results show directly related to both the second and the third law of Kepler＇s law of planetary motion.
A demonstrative devic for the theorem of angular momentum
. 2005, 24(12): 38-38.
Abstract
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682
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(163KB) (
651
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A demonstrative device is constructed showing the relation between the change of angular momentum and the torque applied. A top is supported horizontally and the counterweight is connected by a spring, the direction of angular momentum of the top varies horizontally when the counterweight vibrates vertically.
Effect and influence of the scanning magnetic field signal in optical pumping magnetic resonance experiment
. 2005, 24(12): 40-40.
Abstract
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1117
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1035
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The function and influence of the square and triangle scanning magnetic field signal on optical pumping signal and magnetic resonance signal are discussed in optical pumping magnetic resonance experiment. It is expounded that, to get ideal optical pumping signal and magnetic resonance signal, how should we to choose amplitude and direction of the square and triangle scanning magnetic field signal .
A physics lesson aroused by Southeast Asian tsunami
. 2005, 24(12): 44-44.
Abstract
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539
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(427KB) (
271
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In December 26, 2004 Indian Ocean Tsunami is considered to be a ＂global geophysical incident＂. According to the data, picture and video downloaded from the internet, we make calculations and analysis of some physical phenomena in tsunami and design a lesson ＂The Physics of Tsunami＂ for students as part of the project ＂How to study physics in the age of information＂.
Quality analysis on the college physics course teaching and multimedia application
. 2005, 24(12): 48-48.
Abstract
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402
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(347KB) (
561
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The special actions of multimedia courseware on enhancing physics teaching effect is studied. The status and problems of the physics multimedia courseware is analyzed. Some views of combination of the strong points of multimedia courseware and traditional teaching model are given in order to heighten the study quality.
Discussion on the calculus way of thought and method in the university physics teaching
. 2005, 24(12): 51-51.
Abstract
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988
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1505
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Four problems about the calculus way of thought and method in the university physics teaching are discussed based on the authors＇ teaching experience. This can inspire engineering students in learning the university physics, also can consult for the teachers of the tuition university physics course.
Extension of the uniqueness theorem in the linear isotropic nonuniform medium
. 2005, 24(12): 55-55.
Abstract
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687
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580
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The uniqueness theorem in the linear isotropic nonuniform medium is proved.
Data processing of Millikan's oildrop experiment
. 2005, 24(12): 57-57.
Abstract
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908
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1472
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A new method for data processing of Millikan＇ s oildrop experiment is introduced, which constructs a function, then we can estimate the elementary electronic charge from the figure of the function exactly and easily. The applicability of this method is also discussed.
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