壳的

The effects that alcohol activates Ca in different consistence , different calcine time , different ratio of and lactic acid extract Ca from oyster shell were studied in this paper.

为充分利用牡蛎壳的钙资源，对乙醇在不同浓度、不同烧煮时间、不同配比条件对牡蛎壳粉中钙的活化效果及不同浓度的乳酸对活性钙的提取效果进行了研究。

With the Hamilton canonical equation of cylindrical shells, the coupling equation of an elastically constrained circular cylindrical double-shell system is derived.

以圆柱壳的Hamilton正则方程为基础，推导了受弹性约束的双层圆柱壳的耦合方程，并将其应用于大型发电机定子系统的振动特性分析。

The problem of nonlinear dynamic buckling of symmetrically laminated, cylindrically orthotropic truncated shells including transverse shear has been studied.

研究了复合材料层合开顶扁球壳的非线性动态屈曲问题。建立了对称层合圆柱正交异性开顶扁球壳考虑横向剪切的非线性振动微分方程，根据突变理论建立了该壳体动态屈曲的突变模型，得到了动态屈曲的临界方

The nonlinear dynamic equations including the initial geometric imperfections of laminated composite cylindrical shells were derived from Hamilton's philosophy. Assuming the transverse displacements to be composed of axially symmetrical part and axially asymmetrical part, the governing equations expressed as displacement forms of dynamic buckling were obtained by Galerkin method. The equations were solved by finite difference method. The effects of impact velocity, lamination angle, initial geometric imperfection on the axial dynamic buckling of laminated composite cylindrical shells were discussed.

由Hamilton原理导出包含初始几何缺陷的复合材料层合圆柱壳的非线性动力方程；将横向位移设为对称及非对称两部分，由Galerkin方法得到以位移形式表达的动力屈曲控制方程，通过有限差分方法求解；讨论了冲击速度、铺层角度、初始几何缺陷等各种因素对复合材料圆柱壳轴向冲击动力屈曲可能产生的影响。

In some cases, the reverser needs to know the internals of the operating system in order to identify or solve very difficult anti-reversing tricks employed by packers/protectors, patience and cleverness are also major factors in a successful unpack.

在某些方面，逆向者需要知道操作系统的内部结构，以便识别或是除掉加壳者设下的非常困难的反逆向陷阱，同时耐心和智慧也是一次成功脱壳的关键因素。

In order to find the post-buckling path for ring-stiffened shells under hydrostatic pressure and consider the practical shapes of ring sections, the Compound Strip Method is applied to the post-buckling analysis of ring-stiffened cylindrical shells.

为了研究水压作用下的加肋柱壳的后屈曲状况，并且能考虑到肋骨的实际截面形状和分布情况，本文将复合有限条方法应用于环加肋圆柱壳的后屈曲分析。

In the analysis, a nonlinear wave vibration equation of the thin cylindrical shell including damping and items due to geometric nonlinearities was established and then transformed by Galerkin's method. With different combinations of modes different nonlinear differential equations in modal coordinates were obtained. The Runge Kutta method was used to solve the equations numerically and some features of nonlinear wave vibration were discussed.

在研究过程中，首先，考虑阻尼并引入几何非线性项，建立薄壁圆柱壳的非线性波动方程，然后，采用Galerkin方法对波动方程进行转换，选取不同的模态组合，得到相应模态坐标下的非线性微分方程，最后用Runge-Kutta法进行数值计算并对圆柱壳的非线性波动振动特性进行了分析。

From the calculation results of an example, it is found that the total probability of failure of a structural system will not equal to the sum of the probabilities of failure for all the individual failure modes.

从其对耐压圆柱壳的计算结果可以看出，潜艇耐压圆柱壳结构的失效概率并不等于各失效模式的失效概率之和，这不同于Faulkner做出的求和理论假定。

From the experimental results, a conclusion can be reached that the practical flow in the volute is rather different from the theoretical result.

实验结果证明，蜗壳的实际流动情况同理论设计有着相当大的不同，蜗壳的不对称结构导致了其流动周向参数分布不均匀，并且影响了叶轮扩压器内的流动，导致整机工作性能下降。

The result showed that tectonic movement history was a key factor in the deep weathering mantle formation. Tectonic movement influenced driving force and potential energy of Benggangs, and eroded history of each cracking block, which determined the depth of weathering mantle.

结果表明：构造活动历史是崩岗区形成深厚风化壳的主导因素；构造活动影响崩岗侵蚀动力势能以及各断块遭受侵蚀的历史；侵蚀动力势能和侵蚀历史确定了崩岗发育之前风化壳的厚度。

The split between the two groups can hardly be papered over.

这两个团体间的分歧难以掩饰。

This approach not only encourages a greater number of responses, but minimizes the likelihood of stale groupthink.

这种做法不仅鼓励了更多的反应，而且减少跟风的可能性。