中国主要港口集装箱码头吞吐量快报（2007年8月）

中国主要港口集装箱码头吞吐量快报2007年8月14序1234567891011121315单位名称1617188月内外贸箱合计/TEU1—8月增幅/%8月外贸箱合计/TEU1—8月内贸箱合计/TEU增幅/%8月1—8月增幅/202122232425262728293031323334353637锦州新时代集装箱码头股份有限公司大连集装箱码头有限     

两种直接波浪能转换系统性能的比较:阿基米德波浪摆和波能浮筒(英文)

Many wave energy conversion devices have not been well received. The main reasons are that they are too complicated and not economical. However, in the last two decades direct conversion systems have drawn the attention of researchers to their widely distributed energy source due to their simple structure and low cost. The most well-known direct conversion systems presently in use include the Archimedes Wave Swing (AWS) and Power Buoy (PB). In this paper, these two systems were simulated in the same conditions and their behaviors were studied in different wave conditions. In order to verify the simulations, results of the generator of the finite element computations were followed. An attempt was made to determine the merits and drawbacks of each method under different wave conditions by comparing the performance of the two systems. The wave conditions suitable for each system were specified.     

双通线加热的热力学及实验分析(英文)

The present investigation deals with process analysis of oxy-acetylene flame assisted double pass line heating for varying plate thickness. oxy-acetylene flame as the heat source for multi pass line heating to achieve 3-D bending of plates with varying thicknesses was studied. The oxy-acetylene flame was modeled as the moving heat source in the FEM analysis. The transient thermal histories were predicted taking into account the temperature dependent thermo-mechanical properties. A comparative study between single pass and double pass line heating residual deformation was also carried out. The temperature distribution and residual deformations predicted by the numerical model developed in the present work compared fairly well with those of the experimental ones.     

Experimental Investigation of TARMAX Model for Modeling of Hydrodynamic Forces on Cylinder-like Structures

A new approach that models lift and drag hydrodynamic force signals operating over cylindrical structures was developed and validated. This approach is based on stochastic auto regressive moving average with exogenous (ARMAX) input and its time-varying form, TARMAX. Model structure selection and parameter estimation were discussed while considering the validation stage. In this paper, the cylindrical structure was considered as a dynamic system with an incoming water wave and resulting forces as the input a...     

“十二五”内河高等级航道三重点区域

"十二五"我国内河水运发展步入了新的重要战略机遇期,3月24日,随着中共中央政治局委员、国务院副总理张德江宣布国家内河高等级航道"十二五"建设正式启动,以高等级航道为重点、规模空前的全国内河航遣"十二石"建设正式拉开了序幕。加快长江千线航道系统治理、实施西江航运干线扩能l二程、推进京杭运河、长江三角洲和珠江三角洲高等级航道网建i泛一一"十二工"内河高等级航道建设的宏伟蓝图已绘就。     

采取使用措施降低废气排放中的颗粒数

日益收紧的轿车废气排放限值对发动机的开发不断提出新的挑战。欧5排放标准首次对汽油机实施颗粒质量排放限值,紧接着从欧6排放标准起,在颗粒质量排放限值的基础上,又首次实施颗粒数排放限值。AVL公司已研究了降低机内原始颗粒排放的可能性,开发了未来的减排方案,并证实采取使用措施能够降低颗粒排放。     

产业转型:交通发展的战略选择

由交通部组织的“交通由传统产业向现代服务业转型发展战略研讨会”日前在京召开,来自交通行业内外的有关专家共聚一堂,深入探讨我国宏观经济发展形势及现代服务业发展对交通的影响,分析交通由传统产业向现代服务业转型和走资源节约型、环境友好型交通发展之路的重大问题,从不同层面和角度提出了推进交通转型发展的建议和意见。交通部部长李盛霖,副部长翁孟勇、黄先耀到会并与与会专家进行了交流。