壳

Axisymmetric nonlinear free vibrations of bimetallic shallow shells of revolution with uniformly distributed stationary temperature changes are investigated using the energy variational method and the homotopic perturbation method.

数值结果表明，变温对双层扁壳非线性振动的频率有明显的影响，而扁壳矢高可以改变振动的弹簧特性。

Some nonspecific enzymes can partly hydrolyze chitosan, and make the function as chitosanase.

某些非专一性酶对壳聚糖具有一定的降解作用，具有普遍的壳聚糖酶的活性。

Combined with practical work the design ofthe hyperbolic flat type composite reticulated shelland construction assurance measures are introduced inthis paper.

结合工程实例，介绍了双曲扁组合网壳的设计及保证组合网壳正常工作的措施，指出该结构受力合理，覆盖跨度大，具有广阔的发展前

In this paper, the structural characteristics and the handedness of papovaviruses capsid with icosahedral lattice are introduced indetail, and capsomer contacts are comprehensively analyzed.

本文介绍了乳多空病毒二十面体的结构特征、点阵手性，分析了其衣壳结构和壳粒的相互作用。

With the varieties of the different structural dimension and outer load, it will be real number and imaginary number.

为了在不过分增加壳板厚度或缩小肋骨间距的情况下保证稳定性，带中间支骨的环肋圆柱壳结构是

The inhaul cable is connected with the lower part of the supporting rod through the turning rod, and the upper part of the supporting rod is connected to the shell so as to form the shell-structure system of a string-supported cylinder.

拉索通过转折节点与撑杆下端连接，撑杆上端连接至筒壳，从而形成弦支筒壳结构体系。

Also, it has its own particularity of intangibility and regeneration. The character of Shell Company made it an economic resource with special value. The value of Shell Company includes not only the asset value, but also the virtical value. In most cases, the latter will be far beyond the former.

壳公司的特性决定了其作为一种社会资源的价值特性，即壳公司的价值不仅包括其资产价值，也有很大成分的虚拟价值，在一般情况下，虚拟价值还会远远高于资产本身价值。

Secondly the sedimentary characteristics of Caledonian strata in Hunan, Guangxi, Jiangxi suggested that there is not discontinuity of facies on both sides of Jiangshan-Shaoxing Fault Zone, which is considered to be Caledonian suture zone of Yangtze Block and Cathaysia Block, but the interdigitation, continuity of facies or assuming the united paleogeographic unit.

得出该结论的证据主要有两方面：①湘桂赣地区加里东期花岗岩体呈面状展布，且地球化学测试结果表明为壳源S型花岗岩，这些特征与洋壳消亡形成的花岗岩体无论在分布特征还是在地球化学特征上都有显著的差别；②湘桂赣地区加里东期地层的沉积古地理特征研究表明在目前多数人公认的扬子与华夏的缝合带，即江绍断裂带两侧的加里东期沉积物不存在两大古地理体系的截然跳相现象，而是表现为两侧沉积相带的指状交叉、过渡或呈现为完全相同、统一的岩相古地理单元。

Objective: To explore the effect of interspace diffuse resistance and carrier's electrical property on immobilized chitosanase's kinetic property.

目的通过壳聚糖酶固定化前后最适宜的反应温度、pH值、米氏常数等动力学性质的变化研究载体电荷极性、空间阻力对壳聚糖酶动力学性质的影响。

Methods: Chitosan/pVAX1-pZP3α nanoparticles was prepared and administered into each experimental mouse on weeks 0,3 and 6 by intranasal and intravaginal respectively, whereas chitosan without DNA was given to control.

制备pVAX1-pZP3α壳聚糖纳米微粒，分别滴鼻和阴道免疫10只BALB/c 小鼠，对照组免疫不含DNA的壳聚糖，第3周和第6周分别加强免疫一次，ELISA法检测小鼠血清、阴道冲洗液中抗pZP3 IgA和IgG抗体

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。