球壳

通常用导体材料作屏蔽体，而用超导体作屏蔽体有更多的优越性。文章从Maxwell方程和London的超导二流体模型出发，推出了球壳超导体的屏蔽系数。

The shielding coefficient of superconductor in the shape of the spherical shell is derived on the basis of Maxwell 's equations and London 's two-liquid model .

Monte-Carlo方法是核临界计算的有效手段之一，应用该方法对水淹条件下多块材料球壳增殖系统的临界状态进行了计算分析。

A Monte-Carlo method is one of the effective measures in nuclear critical security analysis . It was used to study the critical variation about breeder system of multi-region spherical shell in the case of water submergence .

不锈钢球壳冲压成形CAM系统的弹塑性分析

Elastic-plastic Analysis of Stainless Steel Spherical Shell Punch Press Forming CAM System

这样就可以计算出在球壳内部产生指定的目标磁场BZ所需的球面电流密度分布。

The current density required to generate a specified target field B_Z inside the sphere may be evaluated .

中空Ag纳米球壳的制备及性能表征

Preparation of hollow silver microspheres and their characterization

机械球磨制备Fe纳米晶及其Mossbauer效应薄球壳的弹性稳定性

MoSSBAUER EFFECT ON BALL-MILLED NANOCRYSTALLINE Fe MATERIALS The Stability of the Thin Elastic Sperical Shell

采用PCR-RFLP和RAPD对球壳孢目真菌系统学的研究

Systematic studies on sphaeropsidales by using PCR-RFLP and RAPD analysis

以聚苯乙烯-丙烯酸微球为模板制备CdS空心球壳

Preparation of CdS Hollow Spheres Using Poly - ( styrene-acrylic acid ) Latex Particles as Template

采用同步辐射能量色散X射线衍射（EDEX）技术和金刚石对顶砧高压装置，对纳米硫化锌球壳进行了原位高压X射线衍射实验。

In situ energy dispersive X-ray diffraction measurements on nano zinc sulfide shell have been carried out by using diamond anvil cell with synchrotron radiation .

Au/Au2S复合纳米球壳微粒的发光特性

Luminescence Properties of Au / Au_2S Nanoshell

通过引入辅助问题并利用积分变换方法，推导出二维、双层球壳红外CAT通用算法，并对内表面为第三类边界条件进行了分析和讨论。

A general solution of IR CAT for two dimensions and two layers spherical shell is developed by introducing an auxiliary problem and using the integral transforms .

MBF乙烯低温球罐球壳板制造质量分析

Quality Analysis of Melon Petals for MBF Ethylene Spherical Tank Used at Low Temperature

在惯性约束聚变（ICF）靶设计中要求制备能浸润液体氘-氚燃料的泡沫球壳。

To meet the requirement for inertial confinement fusion ( ICF ) targets , the foam shells can soak liquid deuterium-tritium fuel are needed .

利用Helmholtz分解原理，通过引入势函数，在Laplace变换域中得到任意响应模式下球壳的动力响应解答。

By introducing scalar potential functions and applying Helmholtz decomposition theorem , the analytical solutions of dynamic response of shell were derived in Laplace transform domain .

推导出了湿热环境下复合材料扁球壳的非线性动力控制方程，应用Galerkin方法求得非线性动力响应方程。

Using Galerkin method , the nonlinear dynamic governing equations are solved , and the response equation of composite laminated shallow spherical shells in hydrothermal environment is obtained .

以苯乙烯丙烯酸聚合物微球为模板，利用核/壳法制备了不同粒径的CdS中空球壳。

CdS hollow spherical particles with different sizes have been prepared using core / shell fabrication method with poly ( styrene acrylic acid ) ( PSA ) latex particles as a template .

运用有限差分法并通过MATLAB编程对两半导体球壳内的电位进行了数值计算，与解析解结果比较，其相对误差很小。

The paper uses finite difference calculus to do numerical calculation on electric potential in two-half-conductor spheric shell by compiling computer program of MATLAB language . Comparing with the results of analytical solution , the relative errors between them are very little .

结合计算结果从模型分析，由于全寿命模型计及了短裂纹扩展阶段从而能更好的描述裂纹扩展的过程，比起Paris模型结果更为精确，更适合应用于潜水器耐压球壳。

Compared with Paris model the total fatigue life model consider the stage of short crack propagation which could describe the full process of crack propagation more precisely , so the model is more suit for the analyzing of pressure hull .

这些能用Carroll和Holt的球壳模型作的数值模拟计算清楚说明。

All these can be well explained by the numerical calculation which is performed by use of the spherical shell model proposed by Carroll and Holt in 1972 .

例如：球壳超声换能器产生的高聚焦超声（HIFU）无法透过肋骨聚焦；对较大体积的肿瘤治疗时间过长等。

For example : high intensity focused ultrasound ( HIFU ) produced by shell ultrasonic transducer could not be focused through the ribs and on the treatment of large volume tumor need a long time .

接着运用WKB方法，分析了各向同性且不可压缩的超弹性Varga材料球壳翻转后的变形问题。

Then , we apply WKB method to the analysis of the buckling of an everted Varga spherical shell of incompressible , isotropic hyperelastic material .

提出了球壳板验收、安装应正视其壁薄、尺寸大、刚性差的特点；介绍了药芯焊丝CO2气体保护自动焊在该球罐上应用的特点；

The spherical tank plates ' characteristics that is thin , big and weak rigidity should be faced , when plates are checked , and the characteristics that the spherical tanks are welded with automatic precess using welding wire within power and protecting with CO2 are introduced .

最后，把气孔影响球壳极限载荷的多种因素化简为无量纲参数G0来反映气孔缺陷的特征，并以G0来拟合极限载荷计算公式。

Finally , several factors influencing spherical limit loads are simplified as a non-dimensional factor G0 to reflect the cavity flaw characteristic , and the formula for calculating limit loads is draw up based on G0 .

首先建立单层球壳结构动力稳定判定准则，进而对K8型单层球壳结构在三种简单荷载作用下的动力稳定性进行分析。

Judgment criteria is presented for dynamic stability of single layer reticulated shells , which is employed to analyze dynamic stability of k8 single layer reticulated shells under three simple loads .

通过对基于同一目标函数的两种模糊C-球壳（FCSS）聚类算法性能的比较与分析，提出一种新算法。

The two Fuzzy C-Spherical Shell ( FCSS ) clustering algorithms based on the same object function are analyzed and a new algorithm is proposed .

研究了一类具有缺陷的不可压缩超弹性材料球壳的径向对称运动问题，该类材料可以看作是带有径向摄动的均匀各向同性不可压缩的neoHookean材料。

The radial symmetric motion problem was examined for a spherical shell composed of a class of imperfect incompressible hyper_ elastic materials , in which the materials may be viewed as the homogeneous incompressible isotropic neo_Hookean material with radial perturbations .

提出了一种新的多阵元球壳形超声换能器结构，该换能器由113个排列在一个孔径为112mm的球形凹面上的圆形压电陶瓷片构成，焦距为100mm，工作频率为1MHz。

In this paper , a new Multi elements spherical ultrasound transducer has been developed for ultrasound noninvasive therapy , it incorporates 113 8 mm diameter circular piezoelectric ceramics elements mounted on a spherical shell , it has a 100 mm focal length and is operated at 1 MHz .

扁球壳非线性分析的一种新的渐近解法

A new approach to the non-linear analysis of shallow spherical shells

爆炸冲击载荷下球壳无模成形过程研究

Research on non-die spherical shell forming process by shock wave functioning

集中载荷作用下弹性球壳大范围非线性问题

Large-scale nonlinear problem of elastic spherical shells subjected to concentrated load