共找到 150 條與 (電分相)中性區(qū)段 相關(guān)的標準，共 10 頁
本標準規(guī)定了 $25~\mathrm{kV},50~\mathrm{Hz}$ 交流電氣化鐵路中客運列車斷電過分相系統(tǒng)和設(shè)備的技術(shù)要求，客運列車包括電動車組和電力機車牽引的旅客列車（以下簡稱“列車”）。 本標準適用于最高運行速度不大于 $350~\mathrm{km/h}$ 的線路。 本標準不適用于
Railway applications—Technical criteria for the co-ordinations in the passenger train neutral-section passing system with no power consumption
"Differentiated services enhancements to the Internet protocol are intended to enable scalable service discrimination in the Internet without the need
Definition of the Differentiated Services Field (DS Field) in the IPv4 and IPv6 Headers
DETERMINATION OF THE COORDINATION AREA OF A TRANSMITTING EARTH STATION USING THE SAME FREQUENCY BAND AS RECEIVING EARTH STATIONS IN BIDIRECTIONALLY ALLOCATED FREQUENCY BANDS
DETERMINATION OF THE COORDINATION AREA OF A TRANSMITTING EARTH STATION USING THE SAME FREQUENCY BAND AS RECEIVING EARTH STATIONS IN BIDIRECTIONALLY ALLOCATED FREQUENCY BANDS
Sharing criteria for BSS networks in the 17.3-17.8 GHz band in Region 2@ and in the 21.4-22 GHz band in Regions 1 and 3@ and their associated feeder links
Sharing criteria for BSS networks in the 17.3-17.8 GHz band in Region 2, and in the 21.4-22 GHz band in Regions 1 and 3, and their associated feeder links
本標準規(guī)定了電氣裝置的電壓區(qū)段。 本標準適用于標稱電壓為1500V(包括1500V)以下的直流電氣裝置和電源頻率為60Hz及以下，標稱電壓為1000V(包括1000V)以下的交流電氣裝置。 本標準主要用來與電氣裝置的其它標準結(jié)合使用，但在制定電氣設(shè)備的要求時也能使用
Voltage range of electrical installations
本標準規(guī)定了地方性氟中毒病區(qū)判定與劃分的指標。 本標準適用于以行政村或自然村為單位的飲水型、燃煤污染型和飲茶型地方性氟中毒病區(qū)的劃分
Division of endemic fluorosis areas
本標準規(guī)定了地方性所中毒病區(qū)判定與劃分的指標。 本標準適用于以行政村或自然村為單位的飲水型.燃煤污染型和飲茶型地方性氟中毒病區(qū)的劃分
Division of endemic fluorosis areas
Technical Characteristics of Differential Transmissions for Global Navigation Satellite Systems from Maritime Radio Beacons in the Frequency Band 283.5-315 kHz in Region 1 and 285-325 kHz in Regions 2 and 3
RADIO-RELAY SYSTEMS IN BANDS 8 AND 9 FOR THE PROVISION OF TELEPHONE TRUNK CONNECTIONS IN RURAL AREAS
Many Administrations have implemented transmissions from radio beacon stations of differential corrections for global navigation satellite systems
Technical Characteristics of Differential Transmissions for Global Navigation Satellite Systems from Maritime Radio Beacons in the Frequency Band 283.5-315 kHz in Region 1 and 285-325 kHz in Regions 2 and 3
Many Administrations have implemented transmissions from radio beacon stations of differential corrections for global navigation satellite systems
Technical Characteristics of Differential Transmissions for Global Navigation Satellite Systems from Maritime Radio Beacons in the Frequency Band 283.5-315 kHz in Region 1 and 285-325 kHz in Regions 2 and 3
Technical Characteristics of Differential Transmissions for Global Navigation Satellite Systems (GNSS) from Maritime Radio Beacons in the Frequency Band 283.5-315 kHz in Region 1 and 285-325 kHz in Regions 2 and 3
本部分IEC 60079涉及可能存在易燃氣體或蒸氣危險區(qū)域的分類，并可作為設(shè)計、建造、操作和維護危險區(qū)域設(shè)備的基礎(chǔ)。本標準適用于存在易燃氣體或蒸氣與空氣混合可能引發(fā)點火危險的情況，但不適用于：a) 易產(chǎn)生瓦斯爆炸的礦井；b) 爆炸物的加工和制造；c) 超出本標準正常概念范圍的災(zāi)難性故障或罕見故障；d
Explosive atmospheres - Part 10.1: Classification of areas – Explosive gas atmospheres
