壳

Numerical results obtained by inverse Laplace transformation were used to discuss the difference of the dynamic responses of shell under different response modes by respectively applying axial symmetry load and fluid load.

最后利用Laplace数值逆变换得到时间域中的数值结果，讨论了在球壳内作用有轴对称荷载和流体压力两种情况时不同响应模式条件下球壳动力响应。

Then followed by an apparent isobaric colling process with the appearance of an anti-clockwise PTt path, which implicates extension and thinning of the continental crust with the formation of thick sedimenting sequences in early stage, and the closure of rifted basin accompanied by slightly tectonic thicken under a compression regime in late stage.

采用石榴石微区温压计对儿个典型富铝片麻岩样品的估算结果显示，荆山群富铝岩系变质峰期的温度为720～770℃，压力为0.6～0.68GPa，峰期后存在较明显的近等压冷却过程，PTt轨迹为逆时针样式，反映陆壳先拉张减薄并接受沉积，后又挤压增厚的壳内裂陷带发育及闭合过程。

Four-node degenerated shell element and rigid shell element are used in our FEM model.Updated Lagrange formulation and rate form constitutive equation are adopted to solve the problem of large strain and large rotation in sheet forming process.Sheet metal material property is described by plastic anisotropy yielding model and isotropic hardening model.Master surface-slave surface contact model is used to define the contact between tools and blank.Contact constraints are enforced with a kinematic algorithm and friction stress is computed by Coulomb friction law.Dynamic relaxation method is used to treat springback after forming stroke.

四结点蜕化壳单元和刚体壳单元分别用来建立板和模具的有限元模型；更新Lagrange法和速率型本构关系被用来处理板料变形中的大应变和大转动；材料模型采用塑性各向异性屈服与等向强化模型；通过主从面模型定义板料和模具的接触，接触算法采用运动约束法，摩擦力用库仓定律计算；并利用动力松弛法对回弹过程进行了计算。

The conditions for bi-stability of isotropic cylindrical shell are derived based on the principle of minimum strain energy.

通过对柱壳变形应变能的分析，利用最小势能原理导出了柱壳实现双稳态的条件。

Owing to existing problems of poor levelness and wet fastness in polyamide fabric dyeing with weak acid dye, reasonable dyeing process was put forward, that is the polyamide fabric was pretreated with chitosan and then dyed with weak acid dye.

根据壳聚糖在阴离子染料染色时，可起到使颜色增深的作用特性，先用一定浓度的壳聚糖溶液对锦纶织物进行预处理，然后再用弱酸性染料进行染色，以提高其湿处理牢度。

Through the analysis of material layout and lofting process for conical shell ,the relevant equations were derived.

通过分析锥壳放样排料的过程，推导出锥壳放样排料的有关公式。

Mother shell, leaching beans, beans without flowering, they will catch the cook shell melon mother

17日，母亲壳牌，浸出屙尿豆，豆不开花，他们将赶上库克壳瓜子母亲

Large blooming may fruits, melon seeds, peanuts, candy, etc.; Can be used as a small ashtray can blooming melon seeds carcasses, peanut shell.

大的可盛放水果、瓜子、花生、糖果等；小的可以作为烟灰缸使用，也可以盛放瓜子壳、花生壳等。

The core-shell microstructure through in-situ polymerization with calcium sulphate as core and with methyl methacrylate as shell was prepared.

采用界面原位聚合方法，制备以硫酸钙(CaSO4)粒子为核，甲基丙烯酸甲酯为壳的核壳结构。

Add-on enters certain volume the peanut shell smashing the caustic soda solution, withdraws the mignonette element using the microwave method from the peanut shell.

摘要以花生壳粉为原料，加入一定体积的氢氧化钠溶液，利用微波方法从花生壳中提取木犀草素。

In the United States, chronic alcoholism and hepatitis C are the most common ones.

在美国，慢性酒精中毒，肝炎是最常见的。

If you have any questions, you can contact me anytime.

如果有任何问题，你可以随时联系我。