船体

Internationally navigating vessels shall, in addition, conform to the relevant international conventions, meet the corresponding conditions for navigability and fitness for carriage, be inspected to be qualified by a vessel inspection institution accredited by the Maritime Safety Administration of the People's Republic of China, obtain corresponding inspection certificate and documents, and be in good conditions.

第十七条载运危险货物的船舶，其船体、构造、设备、性能和布置等方面应当符合国家船舶检验的法律、行政法规、规章和技术规范的规定，国际航行船舶还应当符合有关国际公约的规定，具备相应的适航、适装条件，经中华人民共和国海事局认可的船舶检验机构检验合格，取得相应的检验证书和文书，并保持良好状态。

Through model test of new high- strength steel conical shell with ring frame ,and relevant analysis,it is shown in this paper that the failure of ring-framed conical shell can be traced to the neutral plane on longitudinal section where the structure strength is relatively weak.

通过新的高强度钢材环肋圆锥壳模型实验，及采用解析方法分析表明，环肋圆锥壳体破坏的原因是结构相对薄弱处纵剖面上的中面应力所致。并提出用"灰色系统"理论预测破坏载荷的计算方法，建议今后模型实验和现役潜艇的耐压船体寿命估算中可采用这种方

First mostly contraposing hull deck structure it goes along FEA analysis, discuss the different influence degree of calculational results between the different simplifications of the mathematical model, thereinto mostly analyse five different simplifications of the deck model; Second contraposing hold section and hull deck structure it goes along FEA analysis together, discuss the different influence degree of calculational results between the different elements style, gridding number and gridding density, thereinto mostly analyse the difference between adopting 8 node shell element and 4 node shell element, nondense gridding and thick gridding, and numerous gridding number and few gridding number, In the end mostly contraposing hold section structure it goes along FEA analysis, discuss the different influence degree of calculational results between the different boundary conditions, thereinto mostly analyse the difference between adopting CCS boundary conditions and LR boundary conditions.

首先主要针对船体甲板结构进行分析研究，讨论结构简化不同对有限元计算结果的影响程度，其中主要研究分析了五种不同甲板结构简化模型；紧接着针对舱段与甲板结构一起进行分析研究，讨论单元类型，网格数量与密度的不同对有限元计算结果的影响程度，其中主要研究分析了分别采用8节点板壳单元与4节点板壳单元的不同，以及分别采用疏的网格与密的网格，多的网格数量与少的网格数量的计算结果的差异。最后主要针对舱段模型进行分析研究，讨论不同的边界条件对有限元计算结果的影响程度，其中主要研究分析了分别采用CCS舱段边界条件与LR舱段边界条件进行有限元计算而带来的结果上的差异。本文第二部分为港工建筑物中的大直径薄壁圆筒结构的有限元比较分析。在研究大圆筒的有限元比较分析中，主要讨论用不同的网格密度与数量来划分网格引起的差异。其中用了网格密，数量多与网格疏，数量少两种模型进行大圆筒结构的有限元分析对比

The process of making a ship's hull nonmagnetic by producing an opposing magnetic field.

通过产生一个逆磁场而使金属船体不具有磁性的过程。

With k-ε turbulent model and wall function presented by Launder and Spalding, numerical results of viscous resistance coefficient, isoplethic maps of velocity and stress contributions are obtained.

采用 紊流模式及Launder和Spalding提出的壁函数进行数值模拟，得到了该双尾船船体粘性阻力及速度、切应力的等值线分布等结果。

With k- e turbulent model and wall function presented by Launder and Spalding, numerical results of viscous resistance coefficient, isoplethic maps of velocity and stress contributions are obtained.

采用k-ε紊流模式及Launder和Spalding提出的壁函数进行数值模拟，得到了该双尾船船体粘性阻力及速度、切应力的等值线分布等结果。

The ideals of object oriented program are given out.

船体曲面造型设计软件是以消息驱动和具有图形用户界面的面向对象的软件系统。

Highly detailed, 1/24th scale kit containing over fifty (50) parts including vacuum-formed hull and cast metal outboard motor.

" 这是一个"……非常详细， 1/24th规模包载有超过50 （ 50 ）部分，包括真空成型船体和铸造的舷外马达。

In this thesis, the measure principle of outer trajectory of the TV tracker is introduced and the influence of the roll, pitch and yaw rotation to the LOS is analyzed in detail.

本文简要介绍了电视跟踪仪外弹道测量原理，详细分析了船体横摇、纵摇和艏摇运动对电视跟踪仪跟踪性能的影响。

For the bottom of the hull I simply ran the tap around the edge with a bit of overhang.

为底部的船体，我只是然塔周围的边缘与有点过剩。

However, as the name（read－only memory）implies, CD disks cannot be written onorchanged in any way.

然而，正如其名字所指出的那样，CD盘不能写，也不能用任何方式改变其内容。

Galvanizes steel pallet is mainly export which suits standard packing of European Union, the North America. galvanizes steel pallet is suitable to heavy rack. Pallet surface can design plate type, corrugated and the gap form, satisfies the different requirements.

镀锌钢托盘多用于出口，替代木托盘，免薰蒸，符合欧盟、北美各国对出口货物包装材料的法令要求；喷涂钢托盘适用于重载上货架之用，托盘表面根据需要制作成平板状、波纹状及间隔形式，满足不同的使用要求。