環纜 的英文怎麼說
中文拼音 [huán]
環纜
英文
loop-
More detailed information and environmental impact assessment should be conducted to ascertain its benefices to the environment
為確定纜車對環境的好處,應提供更詳細的資料和進行環境影響評估。Anchor chain cables grade k4 - kenter type joining shackles
K4級錨鏈鋼纜.斜連接鉤環Anchor chain cables grade k4 - swivel shackles
K4級錨鏈鋼纜.旋轉鉤環The apec summit coincided with the high autumn fishing season. to ensure safe communications and under the coordination of the municipal government, we cooperated with marine regulatory and fishery administrative departments in jiangsu, zhejiang and shanghai to wage a cable protection combat that involved 36 boats and round - the - clock watch keeping. fighting furious waves on the unbounded sea in resolute will, our staff expelled 1, 457 fishing rule - violating boats and contributed in a tacit way to the safe communications of the apec summit
海底光纜是通信保障的薄弱環節, apec會議期間正值秋季漁汛高潮,為了確保安全,在市政府協調下,我方聯合了江蘇、浙江、上海的海洋監管和漁業管理部門,聯合行動,出動了36條護纜船,日夜拼搏,劈風斬浪,戰斗在一望無邊的汪洋大海中,驅趕違規漁船1457艘,為apec期間的通信安全立下了汗馬功勞。Chapter five describe the real example of the project of dwdm. related with the project of the east - north loop of fiber transmission system, research the layout of the network, analysis the performance of the transmission and bring out the frondose project of construction, inculde the number of the wave length, the speed of the transmission, the style of he fiber etc. chapter six is the summary of the article
第五章是dwdm技術在通信工程建設中的實際應用,本論文以作者參與的一項具體的工程設計? ?中國移動集團公司建設的東北環光纜傳輸工程中dwdm技術的運用為實例,根據預測業務發展的要求,從傳輸性能的分析,到網路的規劃,技術上的實現,提出了其具體的建設方案,包括波長數目、傳輸速率、光纖類型、光復用段、設備制式等。Steel wire rope slings - safety - part 3 : grommets and cable - laid slings
鋼絲繩吊索.安全.第3部分:索環和纜繩吊索Neoprene grommet and complete epoxy encapsulation provide for a true non - wicking cable entry. an isolating cable chamber is not needed
氯丁橡膠絕緣墊圈和全部環氧樹脂密封,提供真正的無芯電纜連接。不需要另外配置絕緣電纜盒。The products is of high water hydrophobe device usedin suitable and has the characteristics of aging resistance, resistance, tracking resistance, and corrosive resistance. it can withstand high bent load, strong impact force fn12 - 12 series indoor use high voltage load switch fn12 - 12 and fn12 - 12r is of three phases indoor use ac high voltage load switch for breaking and making the circuit of 50hz, 12kv system under rated loading
Fn12 - 12和fn12 - 12r組合電器是額定電壓12kv額定頻率50hz的三相高壓開關設備用於分合負荷電流閉環電流空載變壓器和電纜充電電流關合短路電流配裝接地開關的負荷開關,可以承受短路電流Quality control of eco - type of pvc cable compound
環保型聚氯乙烯電纜料的質量控制G w multiple point junctions provide an extremely compact, versatile solution for loop, tap, grounding, testing or sectionalizing applications through 35kv requiring multiple connection points for 200a or 600a elbows
性能穩定質量可靠美化環境,是g w產品的特點. g w電纜分支箱按照額定電流一般可以分為600a主迴路和200a分支迴路兩種。Optical power meter real - time monitor optical power of each optical cable, and control computer gather the value of optical power attenuation circularly, if some values excess the limit, the computer control optical switch to connect another spare optical fiber with otdr card, control the otdr card to test the optical fiber, and then find the malfunction point accurately. the system require software system to run with hardware devices tother. this paper analyze requirement and technical feasibility in software system, ooa and uml are used to analyze software and abstract the class diagram
通過光功率計對每條光纜中的備用光纖進行實時的監控,測試光功率的衰減值,主控計算機不斷循環的對每個光功率模塊進行數據採集,並記錄每路光信號的光功率衰減值,然後進行分析處理,如發現達到設定的光功率衰減門限值就報警,並控制光開關的切換,將故障光纜中的另一備用光纖與otdr卡連接,通過otdr卡對該光纖進行測試,從而確定故障點。Address : 1 tramway path, central, hong kong
地址:香港中環纜車徑一號Tga. insulating and sheathing materials of electric and optical cables - common test methods - part 4 - 1 : methods specific to polyethylene and polypropylene compounds - resistance to environmental stress cracking - measurement of the melt flow index - carbon black and or mineral filler content measurement in polyethylene by direct combustion - measurement of carbon black content by termogravimetric analysis - assessment of carbon black dispersion in polyethylene using a microscope
電纜和光纜的絕緣和護套材料.通用試驗方法.第4 - 1部分:聚乙烯和聚丙烯化合物專用方法.抗環境應力致裂.熔化流動指數測量.通過直接燃燒測量聚乙烯中炭黑和或礦物填料含量.通過熱重分析法Insulating and sheathing materials of electric and optical cables - common test methods - part 4 - 1 : methods specific to polyethylene and polypropylene compounds - resistance to environmental stress cracking - measurement of the melt flow index - carbon black and or mineral filler content measurement in polyethylene by direct combustion - measurement of carbon black content by thermogravimetric analysis - assessment of carbon black dispersion in polyethylene using a microscope
電纜絕緣護套材料的通用試驗方法.第4部分:聚乙烯和聚丙烯專用方法.第1節:耐環境應力破裂性.在空氣中熱老化后的卷繞試驗.熔體流動指數測量.聚乙烯中炭黑和Pe. insulating and sheathing materials of electric and optical cables - common test methods - methods specific to polypropylene and polypropylene compounds - resistance to environmental stress cracking - measurement of the melt flow index - carbon black and or mineral filter content measurement in pe by direct combustion - measurement of carbon black content by tga - assessment of carbon black dispersion in polyethylene using a microscope
電纜和光纜的絕緣和護套材料.通用試驗方法.聚丙烯和聚丙烯化合物專用方法.抗環境應力致裂.熔化流動指數測量.直接燃燒法測量聚乙烯Test methods for cable accessories. part 2 : test of load - cycling at constant voltage
電纜附件試驗方法.第2部分:恆壓負荷循環試驗It is inevitable that some crane ' s parameter such as working temperature, actual span and so on will change because of the affection of install precision, the change of working condition and actual needs. as a result, it will affect the tension force of carrying cable and carrying capacity. and the tension force and carrying capacity have close relation to the performance of cable crane and operational security
由於纜索起重機工作環境和性質的特殊性,安裝精度的影響、工作環境的變化以及實際工作的需要,不可避免的會引起的各項參數的變化,如工作溫度,實際的跨度等,造成與設計參數之間的差異,從而影響承載索的張力和承載能力,因而直接關繫到起重機的性能和生產的安全性,因此論文研究這些因素變化對張力和承載能力產生的影響,分析張力及承載能力對各因素變化的靈敏度,從而對生產實踐和安全生產作出有意義的指導。G ws epox quality process uses time - proven cibageigy 229 epoxy resin to assure a void - free, extremely durable system impervious to environmental contamination. the rugged epoxy interfaces minimize the breaking force required for removing separable connectors compared to rubber - to - rubber junctions
G w電纜分接母排使用epox技術,並選用技術成熟的ciba - geigy229環氧樹脂,確保所用材料無空隙,經久耐用,能防止環境的侵蝕。Fiber optic cable temperature - humidity cycling
光纖電纜的溫度和濕度循環試驗Our company international design of airport fire - retardant to defend termite pay and unite the cable for guangzhou new white cloud 2002, in case of totally reaching performance to require, adopt environmental protection to fill a prescription, is well received by user
我公司為廣州新白雲國際機場設計的阻燃防白蟻交聯電纜,在完全達到性能要求的情況下,採用環保配方,受到用戶的好評。分享友人