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极化图
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  polarization graph
     Linear polarization active antenna is advised to receive low frequency and broad frequency band wave. The relationship between their characteristic parameters are concluded from the relationship between linear polarization wave and elliptical polarization wave together with the concept the polarization graph of elliptical polarization wave, and can be used as the theoretical base of receiving elliptical polarization wave by linear polarization antenna and the measurement of energy density and polarization parameters of elliptical polarization wave.
     提出了使用有源线天线来接收低频率、宽频带电磁波的方法,从线极化波与圆极化波之间的关系入手,结合椭圆极化波的极化图概念,进一步推导出了两者特征参量之间的关系,为在空间飞行器上使用线极化天线来接收椭圆极化波,并确定椭圆极化波的能量密度和极化参数提供了理论依据。
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  “极化图”译为未确定词的双语例句
     The theory of electrochemical Evans diagrams of sulphide mineral flotation system has been set up by means of the electrochemical principles and measurements of corrosion Evans diagrams and the electrochemical mechanism of flotation system of silver minerals has been elucidated.
     通过腐蚀极化图(Evans图)等电化学原理与实验方法等手段,建立硫化矿物浮选体系的Evans图理论,阐明了锌浸渣中银矿物浮选体系的电化学作用机理。
短句来源
     The optical potential of a nucleon in the nuclear medium is identified with the nucleon self-energy. The real part of the RMOP is evaluated in the DBHF approximation by adopting the decomposition of G = V + AG , and the imaginary part is contributed by the imaginary part of the second-order G-matrix exchange diagram.
     核子的光学势等价于核子在核介质中的自能,论文中RMOP的实部用G=V+AG在DBHF方法下计算得到,虚部则采用二级G矩阵极化图的虚部。
短句来源
     For improvement of the theory, the two particle polarization diagram contribution to th e imaginary part of the deuteron microscopic optical potential is studied.
     为了改进理论,又研究了双粒子间极化图对氘核微观光学势虚部的贡献。
短句来源
     We let only the Hartree-Fock self-energy of nucleon represent to be the real part of the microscopic optical potential and the fourth order of meson exchange diagrams, i. e. the core polarization represent the imaginary part of microscopic optical potential in nuclear matter.
     对于核物质,取核子的Hartree-Fock自能为光学势的实部,交换σ和ω介子的极化图为光学势的虚部。
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  相似匹配句对
     N(Z).
     N(Z)的和.
短句来源
     The S. C.
     C.
短句来源
     A technique for polarization analysis
     极化分析技术
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     A POLARIZATION REDOX TITRIMETER
     极化滴定儀
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  polarization graph
We obtain for the lowest order hadronic vacuum polarization graph and using data only.
      
In the Abelian case, the contribution comes only from the vacuum polarization graph, whereas in the non-Abelian case, contributions come from the vacuum polarization graph and the two triangle graphs.
      
Fig 3--The polarization graph, left and the EME graph right.
      


In this paper, the two particle Green's function is introduced. When the direct interaction between two nucleons is neglected, the first and second order mass operators of two particles are the sum of those for each particle. The nucleon microscopic optical potential is calculated by applying nuclear matter approximation and effective Skyrme interaction. Then the deuteron microscopic optical potential (DMOP) is calculated by using fold formula. For improvement of the theory, the two particle polarization diagram...

In this paper, the two particle Green's function is introduced. When the direct interaction between two nucleons is neglected, the first and second order mass operators of two particles are the sum of those for each particle. The nucleon microscopic optical potential is calculated by applying nuclear matter approximation and effective Skyrme interaction. Then the deuteron microscopic optical potential (DMOP) is calculated by using fold formula. For improvement of the theory, the two particle polarization diagram contribution to th e imaginary part of the deuteron microscopic optical potential is studied.

本文采用双粒子格林函数方法,在忽略双粒子间直接相互作用时,得到双粒子格林函数的一级、二级质量算符为各个单粒子质量算符的和。采用核物质近似和Skyrme有效相互作用得到的核子微观光学势,用折叠公式计算了氘核的微观光学势。用所得到的光学势计算了氘核的弹性散射角分布和反应截面,与现有的一些实验数据进行了比较,发现反应截面能较好地符合实验,而弹性散射角分布符合实验较差。为了改进理论,又研究了双粒子间极化图对氘核微观光学势虚部的贡献。

The relativistic microscopic optical potential, mean free paths and Schrodinger equivalent potential of nucleons at finite temperature in nuclear matter are studied based on Walecka's model and thermo field dynamics. We let only the Hartree-Fock self-energy of nucleon represent to be the real part of the microscopic optical potential and the fourth order of meson exchange diagrams, i. e. the core polarization represent the imaginary part of microscopic optical potential in nuclear matter. The microscopic optical...

The relativistic microscopic optical potential, mean free paths and Schrodinger equivalent potential of nucleons at finite temperature in nuclear matter are studied based on Walecka's model and thermo field dynamics. We let only the Hartree-Fock self-energy of nucleon represent to be the real part of the microscopic optical potential and the fourth order of meson exchange diagrams, i. e. the core polarization represent the imaginary part of microscopic optical potential in nuclear matter. The microscopic optical potential of finite nuclei is obtained with the local density approximation.

本文将Walecka模型和热场动力学理论应用在核物质和有限核中,研究了核子在各种温度下的相对论微观光学势以及相应的薛定谔等效势和平均自由程.对于核物质,取核子的Hartree-Fock自能为光学势的实部,交换σ和ω介子的极化图为光学势的虚部。对于有限核的微观光学势通过定域密度近似获得.

Potentiostatic weight loss tests and cathodic Tafel extrapolations were carried out to establish the polarization curves of 1Cr13 and 0Cr18Ni9 stainless steels in simulated occluded solutions.The effects of external surface on the potential of occluded cell (O. C.) were also superimposed on above diagrams from which the hydrogen evolution rate and corrosion rate of O.C. were clear. It was found that hydrogen depolarization occurred within O. C. as the pH value of occluded solution decreased below the critical...

Potentiostatic weight loss tests and cathodic Tafel extrapolations were carried out to establish the polarization curves of 1Cr13 and 0Cr18Ni9 stainless steels in simulated occluded solutions.The effects of external surface on the potential of occluded cell (O. C.) were also superimposed on above diagrams from which the hydrogen evolution rate and corrosion rate of O.C. were clear. It was found that hydrogen depolarization occurred within O. C. as the pH value of occluded solution decreased below the critical pH value, but the velocity of hydrogen depolarization was only 0.057% and 2.3% of corrosion rate inside O.C. for 1Cr13 and 0Cr18Ni9 stainless steels respectively. It was shown that the "accelerating corrosion effect" of O.C. was caused by the passive active transition accompanied with the sudden increase in the potential difference between O.C. and external surface.

用恒电位失重法和Tafel外推法绘制了1Cr13和0Cr18Ni9两种不锈钢在各自模拟闭塞区溶液中的极化图,并叠加了外表面极化的影响.得到了闭塞电池在开路状态下以及在外表面极化作用下的放氢速度和腐蚀速度.进一步阐明闭塞电池加速腐蚀的原因是在临界pH值处发生了钝态/活态转变,从根本上改变了阳极过程,同时使内外电位差扩大,外表面的极化作用增大.

 
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