mass tensor 中文意思是什麼
mass tensor
解釋
質量張量-
In this thesis, based on racah method of two - electron atom and non - relativistic energy structure for helium - like atoms, the relativistic corrections and the fine structure of helium - like atoms, including the relativistic mass correction, the darwin correction terms, the electron - electron contact terms, the orbit - orbit interaction, the spin - orbit interaction, the spin - other - orbit interaction and the spin - spin interaction, are studied systemically using irreducible tensor. concretely, the main works of this thesis are as follows
本文以雙電子原子結構的拉卡理論和類氦離子的非相對論原子結構的計算結果為基礎，利用不可約張量理論，較為系統地研究了類氦離子的相對論效應和精細結構，包括相對論質量修正、達爾文修正、電子與電子之間接觸相互作用、軌道-軌道相互作用、自旋-自旋相互作用、自旋-其它軌道相互作用以及自旋-軌道相互作用。 -
Conservation of mass. conservation of momentum. stress tensor
3質量守恆，動量守恆，應力張量。 -
By introducing damage tensor and net stress, this study has analyzed the mechanical properties of rock mass structural plane, hi this way, the rock mass question is macroscopically transformed into one of continuous medium mechanics, hi the light of the engineering reality in chengchao iron mine, the damage tensor of the area under research has been obtained on the basis of engineering geological survey
通過引入損傷張量和凈應力來分析巖體結構面的力學特性，從宏觀上將巖體納入連續介質力學的范疇來處理。結合程潮鐵礦實際，在工程地質調查的基礎上，求得研究區域的損傷張量。 -
The proposition of this error formula offers a new method for calculating the permeability coefficient of the fractured rock mass by permeability tensor
該誤差公式的提出為修正利用滲透張量計算裂隙巖體滲透系數提供了一種新的思路和方法。 -
It is one of the most extensively used methods to calculate the permeability coefficient of the fractured rock mass by the way of permeability tensor
摘要利用滲透張量法求取裂隙巖體的滲透系數是目前在求取裂隙巖體滲透系數中運用最廣泛的方法之一。 -
This paper puts forward the main influence factors to calculate the error of the fractured rock mass permeability coefficient using the permeability tensor on the basis of analyzing the fractured rock mass permeability tensor formula, and also discusses their impact on the calculation result in detail
作者在分析裂隙巖體滲透張量計算公式的基礎上，提出了利用滲透張量求取裂隙巖體滲透系數的誤差的主要影響因素，詳細論述了各因素對計算結果的影響。 -
Its main steps are as follows : ( 1 ) to determine the tensor of hydraulic conductivity of the rock mass near the ground ; ( 2 ) to back - analyzing of stress field ; ( 3 ) to predict the fissure aperture at different levels ; ( 4 ) to suppose the structure of fissure network not to vary with depth and to calculate the tensor of hydraulic conductivity of the wall rock
其主要思想是，首先確定近地表巖體的滲透張量；根據地應力實測資料進行地應力場的量級反演；選擇適當的裂隙開度-應力模型，預測不同深度的裂隙開度；在裂隙網路結構不隨深度變化這一假定的基礎上，計算隧道標高的圍巖滲透性。 -
Based on the conservation principle of linear and angular momentum, the method derives the equations of the mass and mass center as well as inertia tensor of the new end - effector for the manipulator handling the unknown object
該方法基於線動量和角動量守恆定律，推出了機械臂負載未知目標的新的末端效應器的質量、質心和轉動慣量的方程組。 -
Firstly, with the help of angular momentum coupling theory, the hamiltonian for multi - electron adorns is rewritten in terms of spherical tensors. the advantage of this form is that the radial, angular and spin parts are separated completely, which makes it easy to calculate the angular matrix elements by means of irreducible tensor. secondly, theoretical expressions of the relativistic corrections including the relativistic mass correction, the darwin correction terms, the electron - electron contact terms and the orbit - orbit interaction which contribute to the non - relativistic energy for two - electron atom are theoretically derived in the lsmlms scheme
具體內容包括：首先，藉助角動量耦合理論，將多電子原子哈密頓算符中的自旋-自旋、自旋-其它軌道以及軌道-軌道相互作用全部改用球張量表示，這種球張量形式的優點在於已將原子哈密頓算符中的徑向、角向和自旋部分完全分開，從而便於計算矩陣元，而且角向矩陣元可以方便地利用不可約張量理論來進行計算。 -
Next we set some other properties of the body : mass and the inertia tensor
下一步我們設置物體的一些其它屬性：質量和慣性張量。
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