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     A simple baroclinic semi geostrophic model on an equatorial β plane is employed the effects of the vertical shear of the basic zonal geostrophic flow and the variation of the basic potential temperature on the long equatorial Rossby waves . A dimensionless parameter σis introduced to represent the variation of basic potintial temperature field ,in the thermodynamics equation.
     文中应用赤道β平面近似 ,建立一个简单的斜压大气半地转模式 ,在热力学方程中引入表征基本位温场 (θ)经向分布特征的无量纲参数 σ,对线性化的扰动方程进行了频率分析 ,研究基本位温场经向非均匀分布以及基本气流垂直切变对赤道纬向超长尺度 Rossby波动的影响 ,并指出仅考虑基本气流垂直切变或者基本位温场变化的作用是不合适的。
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     A general expansion in Taylor series of space magnetic field (median plane symetry ornonsymetry) expressed in terms of the field in the φ=φ_0 meridian plane, which may beexpressed analytically or by field values at discrete nodes, is derived in cylindrical coordinatesystem.
     本文推导了在柱坐标系下用φ=φ_0子午面上的磁场来表示的空间场(平面对称与非对称)的普遍泰勒级数展开式,平面场可由解析或离散形式给出。
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     The time marching method is adopted to solve the governing equations, and the computational analysis to the flow field in a centrifugal compressor with shrouded impeller, vaneless diffuser, bend and return channel compressing perfect and real gas respectively, is carried out, where the three-dimensional N-S code with the Yang & Shih two-equation turbulence model is employed, and a user-defined real gas property program is applied for the thermodynamic analysis.
     应用时间推进法求解连续性方程、时均N-S方程、能量方程、实际气体状态方程及Yang&Shih紊流模型,对压缩重介质实际气体(丙稀)的大流量离心压气机整级流场(闭式叶轮、扩压器、弯道及回流器)进行了数值分析,其中实际气体的热力学属性均表示成温度的函数.
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     Study on temperature field in rare earth electrolysis cell by finite element method
     应用有限元研究稀土电解槽温度场(英文)
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     Three-dimension velocity field and pressure field in DSM cyclone are si-mulated by use of FLUENT software and that are compared with the results measured by use of LDV. It is shown from the results that the flow fields in cyclone can be more properly simulated with choice of RSM model.
     采用 Fluent软件对 DSM型旋流器三维速度场 (轴向、切向和径向 )进行了数值模拟 ,并与采用 LDV的相同边界条件的测量结果进行了对比。 结果表明 ,选用 RSM模型可以对旋流器流场较好地进行模拟。
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  “场(”译为未确定词的双语例句
     The remanent polarization (Pr) and coercive electric field (Ec) are 32.2μC/cm 2 and 79.9kV/cm, 27.7μC/cm 2 and 54.4 kV/cm;
     0 .3μm和 0 .5 6 μmPZT薄膜的剩余极化 (Pr)和矫顽场 (Ec)分别为 32 .2 μC/cm2 、79.9kV/cm ,2 7.7μC/cm2 、5 4.4kV/cm ;
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     The optimized remanent polarization and coercive field are 18.5μC/cm2 and 52kV/cm for Bi3.5Nd0.5Ti3O12 film, 29μC/cm2 and 58kV/cm for Bi2.9Pr0.9Ti3O12 film.
     Bi4-x NdxTi3O12 (x=0.5)和BiyPrxTi3O12 (x=0.9)薄膜具有优异的铁电性,即具有最大的剩余极化(2Pr = 37μC/cm2和2Pr = 58μC/cm2)和最小的矫顽场(Ec=52 kV/cm 和58 kV/cm)。
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     In group II, they were 23.98±2.78 dB, 22.35±4.32 dB and 15.34±2.90 dB respectively.
     Ⅱ组 :近场 ( 2 3.98± 2 .78)dB、中场 ( 2 2 .35± 4 .32 )dB、远场 ( 15 .34± 2 .90 )dB ;
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     THE BEHAVIOR OF VECTOR FIELDS ((P_3 (x,y),Q_3 (x,y)) ON THE EQUATOR OF RP~2
     矢量场(P_3(x,y),Q_3(x,y))在RP~2赤道上的性质
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     THREE DIMANSION DISPLACEMENT FIELDS (U_0,U_(45),U_(90),w) MEASURED SIMULTANEOULY BY MOIRE INTERFEROMETRY
     云纹干涉法同时测定三维位移场(U_0,U_(45),U_(90),ω)
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  相似匹配句对
     These fields are of the H.R.
     具有H . R .
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     Unification of fields
     的统一
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     Visualization of Explosive Field
     爆炸可视化(英文)
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  field in
Sensor sensitivity field in electrical capacitance tomography is affected by the distribution of multiphase medium, which is the peculiarity of soft field.
      
Its advantage is that one can describe the diffraction and interference of atoms passing through slits (or grating), apertures, and standing wave laser field in Earth's gravitational field by using a type of wave function and calculation is simple.
      
The dependences of critical current density Jc on the interlayer coupling strength and magnetic field in Bi2212 crystals were obtained by measuring the magnetic loop of the crystals with different interlayer coupling strengths.
      
Thirty-seven wild plants as food for Asian elephants in the field in Simao, Yunnan province, China and five cultivated plants as food for captive elephants in the Beijing Zoo were collected and analyzed for their main nutrient components.
      
The asymmetry of permanent polarization and coercive field in polarization-electric field curves were obtained and attributed to the existence of an internal electric field.
      
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The single-electron wave function of the ground state of the helium atom is obtained from Hylleraas' well-known wave function by integrating the latter over the coordinates of one electron. The energy of the ground state calculated with this one-eleetron wave function is -5.717Rh. compared with the value -5.755 given by the seif-consistant field solution.

将Hylleraas 氏之著名波动函数对一个电子之各座标积分之,吾人求得正常状态氦单一电子之波动函子。由此单一电子波动函数所求得之正常状态能量为-5.717h较自身一致的解法所求得之值-5.755Rh为大。

A variatioual calculation of the energy of the-2s2 is state of helium has been carried out with the use of a wave function of the Hylleraasian typo. The wave function is where s,t u are in units of 4 times the first Bohr radius of hydrogen. The energy iscompared with the value -1.4400 Rh obtained by the method of self-consistent field.

本文以变分法计算2s~21~S态氦原子之能量,所用之波函式,即:=e~(-0.2278s){1-0.17079s-0.063155u-0.013869t~2 +0.010044u~2+0.0064785s~2}上式中之s,t,u均以4倍於氢原子之第一Bohr半径为单位。由此所计算得之能量为 E(2s~21~S)=-1.5412Rh而由自足方法所算得之值则为-1.4400Rh。

Weiss's theory on the change of Schrodinger wave functional on a surface as the surface changes is given in a complete form, allowing the Lagrangian of the field to contain all derivatives of the field quantities. The integrability of the resulting equation is proved by making use of the fact that the corresponding Hamilton-Jacobi equation is integrable. This gives at the same time a proof of the Lorentz invariancy of the commutation relations between the various conjugate variables, which so far remained obscure...

Weiss's theory on the change of Schrodinger wave functional on a surface as the surface changes is given in a complete form, allowing the Lagrangian of the field to contain all derivatives of the field quantities. The integrability of the resulting equation is proved by making use of the fact that the corresponding Hamilton-Jacobi equation is integrable. This gives at the same time a proof of the Lorentz invariancy of the commutation relations between the various conjugate variables, which so far remained obscure as soon as we allow derivatives higher than the second of the field quantities to appear in the Lagrangian.

对於一曲面上之施落亭格波函数在曲面变化时所发生之变化,威士氏有一理论。今将其理论补充,使其完整,使此理论,在之兰格伦日包含量之各种微分时,依然可用。所获得之方程式之可积分性,用与其相当之哈密尔顿—雅科俾方程式之可积分性证明之。此种讨论,同时证明各种变数中之对换关系在罗兰丝变化下之不变性。

 
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