Then these fractions must be distributed by pipeline or tanker to the final distributors, such as filling stations ( for gasoline and diesel oil), which sell it to the ultimate users. 然后,再用输油管或油罐车把这些产品分送到基层销售点,如汽油和柴油加油站,在那里出售给最终用户。
However if the application does not require a distributed scenario, a simpler approach might be used and only the first pipeline will be suffice to accomplish the target execution. 然而如果应用不需要分布式的场景,可以仅使用第一种pipeline将满足【Target】的执行要求。
A recognition method for intrusion events is studied, which is used in the distributed optical fiber pre-warning system for the safety of oil and gas pipeline. 研究一种用于油气管道安全分布式光纤预警系统的侵入事件识别方法。
Distributed optical fiber sensing technology for pipeline leakage detection and location 分布式光纤管道泄漏检测和定位技术
The principle of optic fiber Bragg grating temperature, strain sensors and the schemes for Bragg grating wavelength demodulation are distributed. The applications and overview of distributed Bragg grating sensors in oil& gas pipeline are illustrated. 阐述光纤布拉格光栅温度应力传感器的工作原理及光栅中心波长的移动探测解调原理,分析光纤布拉格光栅传感器在油气管道监测系统中的应用和前景。
Distributed optical fiber sensing technique can acquire the information of physical filed along time and spatial continuous distribution, therefore it adapt to detect long distance pipeline leak. 分布式光纤传感技术由于能够获得被测物理场沿空间和时间上的连续分布信息,非常适合用于长距离管道泄漏检测。
The distributed databases replication based on dais pipeline 基于数据管道的分布数据库复制方案
Research on the Distributed Control System of Dense Air-Solid Pipeline Transportation 密相气-固管道输送分散型控制系统的研究
This paper presents a novel distributed optical fiber sensor based on the microbend losses theory for monitoring the pipeline deformation, whose function is fulfilled by virtue of only one optical fiber with a self-pleached pattern and OTDR technique. 本文介绍一种分布式光纤管道形变传感器,仅用一根光纤通过自编织形成微弯,完成对形变的传感功能,并采用OTDR技术实现分布式检测。
The design process and application of distributed multicomputer parallel systems for pipeline job processing, which are inter-connected by two PC& AT, one 8031 single board computer and two signal processors with high speed, are introduced. 介绍了由两台PC&AT微机、一台8031单板机和两台32位高速信号处理机互连,构成的分布式多机并行流水作业处理系统的设计过程和初步应用情况。
Study on the Distributed Optical Fiber Pre-warning System for the Safety of Oil and Gas Pipeline 油气管道安全分布式光纤预警系统研究
The model takes the bond-graph model of sectionalized-centralized parameter of a general pipeline as the basis, compares with distributed parameter model and the method of characteristic in pipeline, adds in the dynamic friction term. 此模型以一般管路分段集中参数键图模型为基础,通过与分布参数模型和管路特征线法的对比研究,在模型中增加了动态摩擦项。
This thesis also introduces two methods which are concerning distributed database replication and data pipeline object realize data synchronization. 最后,本文还论述了如何采用数据管道对象和数据库复制两种技术来实现分布数据库的数据同步。
Distributed optical fiber monitoring system in-series for submarine pipeline 海底管道串联分布式光纤监测系统
The Distributed Telecontrol Monitoring for Urban Pipeline Gas System 城市管道燃气系统的分布式遥控监测
Study on Layout Scheme of Distributed Optical Fiber Sensing System for Submarine Pipeline 海底管道分布式光纤传感系统布设方案研究
The paper designs a station-independent leak supervising for crude oil concentrated transport pipeline and distributed master-slave leak real-time supervising system for long distance transport pipeline are designed with virtual instruments technology, and designs the hardware and software scheme. 采用虚拟仪器技术设计了一套各站独立的分立式原油集输管道泄漏检测及定位系统,并对其软、硬件方案进行了设计。
A distributed control system for air-operation pipeline transportation is developed. 研制了一套管道气力输送集散控制系统。
Adopting beam theory of mechanics of materials and applying force component analysis method, the rule that the outer load of pipeline result in pipeline supporting structure's motion is renewedly distributed was studied and the design load of pipeline supporting structure was revised. 采用材料力学的梁理论,应用力法分析方法,研究支撑结构移动导致的管系外荷载重新分配规律,修正管系支撑结构的设计荷载。
Study on the Distributed Optical Fiber Pipeline Safe Detection Technology 分布式光纤管道安全检测技术研究
When the transportation load is long-term evenly distributed, the influences of each relevant factor, i.e. pipeline depth, diameter, deformation module of foundation, Poisson ratio of soil and tyre pressure of vehicles, toward Mises stress and vertical displacement of pipelines are discussed. 当交通荷载为长期均布荷载时,讨论了各相关因素,包括管道埋深、管径、地基变形模量、地基泊松比和车辆轮压大小分别对管道Mises应力和竖向位移的影响;
Analyze the characteristics of virtual instrument technology, design the detection software system of distributed optical fiber pipeline ice block based on virtual instrument technology. 分析了虚拟仪器技术的特点,基于虚拟仪器技术设计了管道冰堵分布式光纤检测软件系统,完成信号的采集、处理、存储及相关计算功能。
Base on this idea, we develop a prototype distributed system for modeling large-scale urban scene by team. In this system, the modeling workload is balanced along the pipeline, and the waiting time between steps is greatly reduced. 基于本思想,我们开发了一个分布式的原型系统,本系统可以由工作组进行大规模的城市建模,建模的工作负载在流水线中被均衡,同时极大地减少了各步骤间的等待时间。
In this paper, it not only proposes theories, but also gives specific examples of projects, verified energy-saving advantages of the distributed power frequency conversion pipeline system by the Project. 本文不仅仅是理论的研究,还给出了具体的工程实例,通过工程实例验证了动力分布式变频管网系统的节能优势。
A leakage detection and pre-warning system based on distributed optical fiber for the oil and gas pipeline has been accomplished, which is being operated in a product oil pipeline. 设计了一套分布式光纤油气管道泄漏检测及预警系统,在一条成品油管道上试运行。
To improve its safety, Zhejiang University and CNOOC applied for the project of distributed optical fiber sensing technology for long-distance submarine pipeline, which sponsored by National Hi-Tech Research and Development Program of China ( 863 Program). 为此,浙江大学和中国海洋石油总公司联合承担了国家863计划子课题长距离海底管道分布式光纤传感技术,将分布式光纤传感技术应用在海底管道实时监测中。
While the natural gas is not uniformly distributed on a global scale, it is mainly transported through the pipeline and LNG carriers ( liquid natural gas carriers). 然而天然气在全球范围内分布并不均匀,这必然涉及到运输问题。现在天然气主要是通过管道和LNG船(液货天然气船)进行运输。
The noise model of the distributed the all optical-fiber distributed forewarning system of pipeline safety is established. Through experiment, quantitative the background noise is calculated. 4. 建立了Sagnac型光纤管道安全预警系统的噪声模型,通过实验定量分析了系统的本底噪声。
This study is about the key technologies of using FPGA to implement digital delay, related to the coefficient processing and error analysis, distributed algorithm and pipeline technology. Then the fractional delay filter is implemented by means of FPGA IP core. 包括利用FPGA实现数字延时的关键技术,涉及到对系数的处理和误差分析,分布式算法和流水线技术,并以FPGA的IP核的方式实现了分数延时滤波器。