A method calculating one body density matrix of nucleus in the mean field shell model is proposed.
提出平均场壳模型下原子核单体密度矩阵的一种计算方法，验证该方法的可靠性。
Gazprom wanted to be involved: last year it agreed with Shell to swap a share in Sakhalin Energy for a stake in a Siberian field. Then the cost overrun was announced, and Gazprom squealed.
Gazprom也曾想过参与：去年，它与壳牌达成协议用一部分库页能源的股票交换一部分西伯利亚油田的股权，之后，超额成本被公之于众，Gazprom叫苦不迭。
Or BP may reduce its stakes in U.S. fields operated by partners, such as the Gulf field Mars, operated by Royal Dutch Shell PLC.
英国石油公司也可降低在由其合伙人经营的美国油田中的持股，如在荷兰皇家壳牌石油公司(Royal Dutch Shell PLC)运营的GulffieldMars中的持股。
Once again, I use the Roo shell to add the password field to the Speaker entity.
我将再次使用Rooshell来将密码字段添加到Speaker实体。
It is about the ring screw thread smoke channel of the boiler shell type gas tube in the boiler field.
锅壳式烟管锅炉烟管内置水管的环形螺纹烟道，它涉及锅炉领域。
The method in this paper, which can be used to calculate the interior sound field of arbitrary-shaped closed thin shell (equal or unequal thickness), suits a large scope.
本文所提出的这一方法适用面广，可以求出任意形状封闭薄壳(等厚度或不等厚度)的内部声场。
Shell also recently selected Emerson as a global strategic supplier of pressure, temperature and flow field instruments.
壳牌最近还选定艾默生为其全球战略供应商，提供测量压力、温度和流量的现场仪表。
A new off shell decomposition of SU (2) gauge field without any gauge fixing is proposed.
对于未加规范条件的杨-密耳斯理论，提出了SU(2)规范场一种新的离壳分解。
So it is of very important science meaning and practice value to simulate the circle flow field of the ramjet shell.
因此，对冲压增程炮弹绕流流场的研究具有重要科学意义和实用价值。
Generally the numerical stimulation on flow field and temperature field of shell distance is based on porous medium model.
以往对换热器壳程流场和温度场的数值模拟都是建立在多孔介质模型基础上进行的，存在许多问题。
Its shielded box should be used the main air gap and prevent the primary current to produce the magnetic field concentrating in the shield shell metal plate.
其屏蔽盒应用主气隙，防止原电流产生的磁场集中在屏蔽壳的金属板内。
Comparing to the normal water cooling type mold, spray-type mold is more homogeneous in temperature field and in thickness of solidified shell and is higher in cooling intensity.
与普通水缝式结晶器相比，铸坯温度场均匀，坯壳厚度均匀，冷却强度有所提高。
A shell temperature element suitable for the analysis of temperature field in axisymmetric shells is presented.
提出一种适合于分析旋转对称壳体温度场的壳体温度单元。
A kind of three layered 32-node temperature shell element is presented for the transient temperature field FEM analysis of the honeycomb sandwich composite shell.
提出一种三层32结点温度壳单元，对蜂窝夹芯复合材料壳体的瞬态温度场进行了有限元分析。
The soaking unit has the configuration of being arranged along the internal side of the shell and a hydropneumatic dual-direction flow field.
所述均热单元具有沿所述外壳内侧设置的构形，且具有液气态的双向流场。
Through the border conditions of damping layer combined with the shell the coupled oscillation equation was solve, and radiation sound field expression was shown using the shell displacements.
通过阻尼层与壳体作用的边界条件求解流固耦合振动方程，解得辐射声场的表达式。
The invention relates to a novel corrugated arched sheet-reinforced concrete composite column surface arch shell structure, belonging to the technical field of structural engineering.
本发明涉及一种新型波纹拱板-钢筋混凝土组合柱面拱壳结构，属于结构工程技术领域。
The cylindrical shell with various boundary condition are considered. The formulae of collapse load, stress field and velocity field and the judgement equations for long or short shells are given.
分析了在各种边界条件下的圆柱壳，给出了极限载荷、应力场和速度场的全部公式以及长壳和短壳的判断公式。
The numerical method for nonlinear deformation problems of current-carrying columnar shell under the coupled action of electromagnetic field and mechanical field are studied.
针对在电磁场和机械场耦合作用下的载流柱壳的非线性变形问题的数值解法进行了研究。
The model can provide the theory for the field safety production by the prediction of shell stress and dilatancy distortion value.
该模型通过预测坯壳应力和鼓肚变形量为现场安全生产提供了理论依据。
The invention discloses a connecting pipe used between a shell and a liquid receiver of an air compressor and a welding method thereof, which belong to technical field of air conditioner fittings.
本发明公开了一种用于空调压缩机外壳与贮液器之间的连接管及其焊接方法，属于空调机配件技术领域。
The finite element method (FEM) model was established to predict the temperature field, shell growth and solid fraction of the heavy rail bloom caster.
采用有限元方法，对某钢厂的重轨钢大方坯连铸机的凝固过程温度场分布情况、坯壳生长规律和凝固率进行了模拟研究。
The sound pressure level at certain distance from the outer shell in flow field is obtained when the vibration velocity of the inner shell is known.
在已知内层壳体振动速度的情况下，计算出流场中距外层壳体一定距离处的声压级。
By using a concise method, the charge distribution on the surface of a thick spherical conducting shell revolving in a homogeneous magnetic field is obtained.
用简单方法求出了在均匀磁场中旋转的导体厚球壳上电荷的分布，证明了在磁场中转动的导体表面电荷分布无普遍公式。
So it is better to use the alloy steel roller shell in the technology of high-speed electromagnetic roll casting in terms of utilizing magnetic field.
从磁场利用的角度考虑，在电磁场快速铸轧技术中使用合金钢辊套比使用新型材料辊套更好。
It is found that the distribution of temperature field in roll shell is just like a stress field following Saint-Venant principle in elastic mechanics.
发现辊套温度场分布规律与弹性力学中的应力场分布遵循圣维南原理相似。
Experiments showed that the stray component of toroidal field is about 10-4 of the field and the copper shell combined with an applied vertical magnetic field can keep the plasma in equilibrium.
实验表明，环向磁场杂散分量约为纵场的万分之一，导体壳和平衡场基本上能保证等离子体的平衡。
The optimized casting process can optimize effectively temperature field and reduce the possibility of shrinkage holes(porosities), obtaining the qualified shell with high quality.
优化后的薄壁铝合金壳体铸件的低压铸造工艺方案合理，可以有效地优化壳体温度场，降低铸件出现缩孔缩松几率，生产出高质量的合格铸件。
Based on the field survey and indoor analysis, geological mapping unit for Fuping surface shell rocks is built, and the unit is divided into upper and lower parts.
依据野外调查资料和室内化学分析，组建了阜平表壳岩的填图单元，单元分为阜平表壳岩上部和阜平表壳岩下部岩石。
Based on the field survey and indoor analysis, geological mapping unit for Fuping surface shell rocks is built, and the unit is divided into upper and lower parts.
依据野外调查资料和室内化学分析，组建了阜平表壳岩的填图单元，单元分为阜平表壳岩上部和阜平表壳岩下部岩石。
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