管道

In the light of the interaction of oil, pipeline and ambient media and their ...

针对加热原油管道停输后油品、管道及周围介质的相互关系和它们的不稳定传热，提出了热力计算的数学模型。

Data analysis and simulation indicate that longitudinal ultrasonic guided wave can be applied to the on-line distance detection of the pipelines covered or sheltered by barriers.

数值分析和仿真结果表明，利用纵向超声导波可对有障碍物覆盖的管道，有阻碍物遮挡的管道进行长距离、有效的、省事省时的在线检测，与理论分析相吻合。

This paper discusses the status of low-pressure pipeline irrigation technology related to the concept and main content .

本文针对这一现状介绍了低压管道灌溉技术的相关概念和主要内容，并以山西省阳高县大白登镇基本农田整理项目为例，详细介绍并分析了在土地整理项目中低压管道灌溉系统的规划设计方法以及相关水力计算。

The methods of fabricating Lucite chemical chip were researched, and techniques of fabricating microconduits and sealing were obtained.

研究了有机玻璃制作化学微芯片的方法，优化出一条集微管道印刻、微管道密封的技术路线，该方法简单、所需设施简易，适合于大多数普通实验室的制作。

Magnetic Flux Leakage Detector is the most widely used pipeline internal inspection method all over the world.

管道漏磁通检测系统是目前国内外使用最广泛的管道内检测设备。

The hebei liancheng machine tool accessories co., ltd , has been focusing on the development , production and sales for the industrial automation products , the main products are hose , hose connectors , water-proof cable connectors , engineering plastic drag chains , steel plastic drag chain , pipes for cooling use and protective shield and guards , JR type rectangle metalic hose , DGT type conduit shield , scrap-excluding conveyor , scrapss-excluding chain , srap conveyor , hinge type flattop chain , machine mount , machine lamps , operation series , T type slot plate , scraping , plate , etc.

河北连城机床配件公司。有限公司，一直专注于开发，生产和销售工业自动化产品，主要产品有软管，软管接头，防水电缆连接器，工程塑料拖链，钢塑拖曳链，冷却管道的使用和保护罩和警卫和JR型矩形金属软管，电信总局型管道屏蔽，废料，但不包括输送带， scrapss ，排除链，分区域行动方案的输送，铰链型航母，机器安装，机灯，操作系列， T型槽板，刮，钢板等

The relation between the result accuracy and the element number of the system is studied and shows the minimal element number to ensure the response result accuracy is determined by the excitation frequency and the modal modes of the system.

研究指出，保证计算结果精确性的最小网格划分数目与激励频率及管道系统的振动模态有很大关系，即由对管系响应贡献较大的最高阶模态振型决定，这一研究成果对实际管道系统振动响应计算中时间与空间节点的划分提供了理论依据。

With the big project such as national transmission of naturalgas from the west to the east started and urban gas pipeline installed, the technique of tapping and plugging without interruption of service is extensively applied in transporting oil and gas, chemical engineering, water supply and water draining and other areas.

随着国家"西气东输"等重大工程的启动及城市燃气管道的全面铺设，管道不停输开孔、封堵技术已日渐广泛用于石油、化工、燃气、给排水多个领域，公司的产品已逐渐被广大客户认可。

This would connect Nord Stream to the centre of Germany.

这一管道将连接德国中部的北欧天然气管道，通往德国南部。

In need of special note is the kitchen, equipment room is large and the places where the pipeline, to be used in control and equipment pipeline wall so that it can achieve the flexibility and modification requirements.

需要特别指出的是，厨房，设备室和大的地方的管道，用于控制和设备管道墙，以便它能够实现的灵活性和修改的要求。

The basic concept of FOP can be summarized as to further optimize effective prescription according to the standard of curative effects and with the aid of modern science and technology and theories of traditional Chinese medicine.

其基本内涵可概括为：以确有疗效的中药复方为研究对象，以现代科学技术和传统中医药理论为技术支持，以该复方所治病证的药效响应为评价标准，以优化重组疗效更优的新复方为研究目的。

Ever since our world has been a world, native forests have been indiscriminately exploited by man.

自从我们的世界一直是世界原生森林被任意剥削人。