防爆率 的英文怎麼說
中文拼音 [fángbàolǜ]
防爆率
英文
knock rating-
Abstract : the power plant is the key unit of firefighting which is involved in inflammable and explosive materials, high accident rate and great losses
文摘:發電廠到處都是易燃易爆物品，火災事故發生率高，損失大，是防火重點單位。It is concluded that the analysis is conducive to setting up an effective risk protection and management for the oil depot
依據故障樹分析的結論提出了降低頂事件概率的防範措施，為油庫的風險管理提供科學依據，並可為其它油庫項目的火災爆炸事故分析提供參考。A soli state rely ( ssr ) is an electronc swithig device utilizing discrete semiconductors, integrated circuit and microelectronic technologics to provide electrical isolation and signla coupling between the control circuit and the output circuit without the use of moving part or contacts
本產品具有體積小、重量輕、靈敏度高、開關速度快、輸出功率大、無觸點抖動、無火花干擾、密封防水防磁防爆、高可靠、長壽命。En 26184 - 4 explosion protection systems. part 4 : determination of efficacy of explosion suppression systems
防爆裝置.第4部分:滅火裝置效率測定It is hence important to develop a kind of new intelligent protection system with wonderful performances used in flameproof switchgear which can not only improve the supply quality of underground hv distribution system but also perfect its protective properties, especially can prevent the underground from gas explosion and guarantee the operating safety for underground worker
長期以來現場所使用的這種開關載流能力小、保護簡單、故障率高，直接影響礦井供電的可靠性、安全性和連續性，因此研究高性能的6kv防爆開關綜合保護系統對提高供電質量、保障人身安全，完善電網保護不僅具有重要的現實意義而且具有較高的經濟價值。The intelligent non - central - switching explosion - proof amplifying call and telephone talk system has many advantages such as low cost but high utilization factor of the channels, fast communication, convenience for using and maintaining and so on. it can replace with the same ty
智能型無主機防爆擴音對講電話系統具有繩路成本低且利用率高，通信聯系快速，使用及維護簡便等優點，可替代國內外的同類產品，具有廣泛的應用前景和使用價值。The technique of the multi - channels sharing and the bus topological structure are adopted in the system, which does n ' t set the central switch and which not only can realize many users share a few explosion - proof channels, but also reduce the cost of the channels, while improving the utilization factor of them. the users " extension is flexible and convenient. the system has the functions of amplifying call and telephone talk
該系統不設主機，採用多通道共用技術和總線式拓撲結構，實現多用戶共用少數防爆繩路，降低了繩路成本且提高了利用率；用戶擴展靈活、方便：具有擴音呼叫和電話對講功能；工程布線簡單，費用低，工期短。Products are : super high pressure electric, pneumatic, manual oil pump ; pre - stress jack for the use of coal mine and construction ; steel bar and cable scissor ; all kinds of bolt for safety supporting and bolting ( km19 and km22 bolt have all got the certificate of “ ma ” in china. ) ; cable anchor and bolt test stand ; hydraulic nut scissor and etc
產品有防爆式超高壓電動、風動、手動油泵；煤礦、建築用預應力張拉千斤頂；鋼筋、鋼絞線切斷器；安全支護用各種錨具（ km19 、 km22錨具在國內率先取得煤安證書） ；錨索錨具靜載拉伸試驗臺；液壓螺母破切器等。According to the present actual underground power system which neutral point is grounded through arc suppression coil in many supper big shaft, the development history and present situation of synthetic protection system used in hv flameproof switchgear are reviewed, and on the basis of analyzing the problems existed in high voltage flameproof switchgear, the selective leakage protective method based on the detecting harmonic direction of zero sequence current as well as the value of zero sequence voltage is proposed in this paper, and at the same time, harmonics extracting schematic and transforming circuit are also designed
本文深入系統地研究了基於intel80c196kb單片機控制的6kv防爆開關綜合保護系統，主要內容如下：針對大型及特大型礦井供電系統中性點普遍採用消弧線圈接地方式的現狀，回顧了國內外礦用高壓防爆開關保護系統的發展歷史，分析了目前國內高壓饋電開關保護系統所存在的問題，提出了「基於零序電壓基波啟動，五次諧波功率方向比較」的選擇性漏電保護原理，設計了相應的五次諧波提取電路和功率方向鑒別電路。With the development of city construction, the population is increasing rapidly, skyscrapers and underground buildings are everywhere, flammable materials are used more widely, fires are more likely to happen, thus fire - fighting is very important to national asset and people lives
隨著城市建設的發展，人口密度增大，高層、地下建築增多，易燃易爆材料增多，城市發生火災的概率就越來越高，所以消防直接關繫到國家財產和人民生命安全，一旦意外發生火災，得不到即時營救，將會造成無法估量的損失。分享友人