The device can simulate three main transmission impairments in the factual transmission of fiber optic channel,channel delay,channel bit error,channel interruption,provide a convenient instrument to check and measure the protections’performance of relay equipment with the above three impairments.
介绍了研制的线路纵差保护光纤通道模拟装置,该装置可以模拟光纤通道实际传输中主要的3种损伤:通道延时、通道误码和通道中断,为检查继电保护设备在通信通道的各种传输损伤下的工作情况和指标测试提供了方便灵活的手段,解决了光差保护在开发、检测、试验中缺乏对通道性能考核手段的难题。
According to analysis, three factors should be existed during the forming of mud volcano, mud source, fault passage and natural gas bearing.
经分析认为,泥火山的形成须具备泥浆源、断层通道和含天然气三大要素。
OBSERVATION OF TRAPPED WAVES IN EASTERN SEGMENT OF HOH SAI LAKE-MAQEN FAULT
库赛湖-玛沁断裂带东段断层通道波的观测研究
NUMERICAL ANALYSIS OF PATHWAY FORMATION OF GROUNDWATER INRUSH FROM FAULTS IN COAL SEAM FLOOR
含断层煤层底板突水通道形成过程的仿真分析
Fractures and faults act as the favorable pathways of hydrocarbon migration.
破裂和断层为油气的运移提供了有利通道。
channel blocker
通道封阻剂，通道阻断剂
The Fundamental Research in Multichannel Data Acquisition System of Magnetic Induction Tomography;
多通道磁感应电阻抗断层成像数据采集系统基础研究
The across fault technique may provide uniform gasification process at unnecessary to increase ground facilities and gasifier or guide passage.
从而在不增加地面设施和气化炉或导引通道个数的情况下,使断层两盘的煤层均气化掉。
The rock in the fault zones in mine roadways are generally fractured and difficult to support. As they often connect with the water containing layer, water inrush is apt to occcur.
矿山巷道中的断层带岩石一般比较破碎 ,难以支护 ,而且常常与含水层导通 ,易发生涌水。
Responses of Buried Pipeline Crossing Fault Due to the Overlaying Soil Rupture
断层上覆土层破裂对埋地管道的影响
A tentative study on fault traversing roadways and the design method for water separation coal pillar
巷道过断层及断层防水煤柱留设方法初探
Learning Science-A Comparison of Deep and Surface Approaches;
科学学习——深层和浅层学习通道的对比
On ventilation technology in tunnel construction of small-section and long-distance pipes
小断面长距离管道隧道施工通风技术
The traffic jam filled the street up completely.
交通拥塞使道路交通完全中断。
Research on Anti-breaking Structural Design of the Highway Tunnel across Active Fault Zones
活动断层区公路隧道抗错断结构设计的研究
The Application of Combined Supporting Coal Seam to Roadway Soft Rock Crossing Coal Faultage
软岩开拓巷道过煤层断层时联合支护的应用
Application of the grouting and reinforce technology for stopping water on tunnel through the large fault
巷道过断层注浆加固堵水技术的应用
Diagnostic value of 64 row spiral computed tomography in digestive tract obstruction
64层螺旋CT对消化道梗阻的诊断价值
Value of Multi-slice CT in Diagnosis of Malignant Gastrointestinal Stromal Tumors
多层螺旋CT诊断恶性胃肠道间质瘤
Study on Mechanical Behavior of Tunnel Construction at Fault Zone with High Ground Stress
高地应力区断层带隧道施工力学研究
