電弧長度 的英文怎麼說
中文拼音 [diànhúzhǎngdù]
電弧長度
英文
arc length-
A new model of distribution system is presented, whereby, the feeder switches are regarded as the vertcxes of a graph and the feeder lines are regarded as the arcs. the method to model distribution networks by adjacent table is put forward. therefore, storage size is reduced and calculation is speeded up
建立了配電網的簡化模型，即將饋線開關當作圖的頂點、將饋線當作弧，採用等長鄰接表的數據結構來描述配電網，大大減少了佔用空間和提高了查詢速度，並建立了基於等長鄰接表的配電網路拓撲演算法。Test results indicated : with the hoist of altitude, the increase of ice amount and the rise of pollutant, the average flashover voltage reduced. the character exponent generally depends on the insulator profile, ice amount, ice state and pollution severity etc. by means of a high - speed camera, a data acquisition system and high voltage test facilities, a series of the flashover processes on ice surfaces were record. the experimental results form this study and the subsequent theoretical analyses suggested : the thermal ionization of the air in front of an arc root resulted in arc movement ; the electrostatic force had an auxiliary effect of impelling arc propagation ; the electrical
通過對攝像機、數據採集系統及高壓試驗裝置記錄覆冰絕緣子表面閃絡電弧的發展過程的試驗結果進行理論分析得出：弧根周圍空氣的熱電離導致了電弧的發展，靜電場力對電弧的發展起到了加速作用，電擊穿僅發生在閃絡最終的跳躍階段；通過測量閃絡過程中的放電電壓、泄漏電流、閃絡時間、覆冰水電導率、電弧長度及電弧半徑等參數，得到了不同階段電弧（電弧起弧階段、電弧發展階段及完全閃絡）的發展速度、臨界電弧長度均隨覆冰水電導率的增加而減小。The visual obstacle by gap joint of pieces of bent / tempered glass of general specification is removed for bent / tempered glass with extra big width and curve length to realize the ideal design of curved glass with extra big span for sightseeing balcony and elevator
超寬、超弧長彎鋼化玻璃消除了普通規格彎鋼化玻璃拼縫對人的視覺障礙，使觀景陽臺、觀光電梯等圓弧玻璃超大跨度的理想設計成為現實。Steel casting : 20 tons arc - furnace steelmaking, 40tlf refiner furnace ; the max elevating capacity 125t ; the max casting products 80t, dimension of casting products length, width, high 8. 54. 53m, spun casting min outer diameter, min wall thickness, max length 1000154000mm ; various specification steel strands
鑄鋼: 20t電弧煉鋼爐40tlf精煉爐最大起重能力125t最大鑄鋼件80t鑄鋼件最大尺寸長寬高8 . 54 . 53m離心澆注最大外徑最小壁厚最大長度1000154000mm各種規格連鑄坯。This technology maintains the torch at a constant stick - out distance, so you get uniform results around the circumference of the weld
此技術讓焊炬保持一個固定的電弧長度，使管道外焊縫有一致的品質。Series of high pressure thermocouples thermalresistances and thermowells, the thermocouple take the form of spring - loaded, of which protective tube and flange are forged of special alloy, as well the thermowell are formed with bar stock drilled. more further, theconnecting between thermowell and flange can be compressed with tapered thread and the groove at the lower end of flange can be welded with argon arc. these thermocouples are usually used in high equipments of hydrogen cracking device, cracker and vaporizer etc for pressure - resistant in over 30 mpa, operating temperature from 0 up to 800
系列高壓熱電偶阻及套管，熱電偶採用彈簧壓著式，保護套管和法蘭選用特殊合金材料鍛造，套管採用棒料整體鉆孔加工而成，與法蘭連接處以錐管螺紋配合併與法蘭下端渠槽處用氬弧焊接，耐壓30mpa ，使用溫度0800 ，可長期使用在加氫裂化裝置裂解裝置，氣化爐等高壓設備中。It ` s suitable for the bend and deformation of the metal plates and it can roll the round and arcshapes and the cone ones within its specified ranges. it has the function of prebending the plate at both ends. the two lower rollers are the driving ones and can make the horizontal movement ; and the upper is a driven one and can make the up and down movement. the moving manner includes the mechanical and industry, boilers, shipbuilding, metal structure, machine manufacture and other trades, especially for the roll the steel trunks with smaller diameter and longer length in power transmission and trandform and other trades
該機適用於金屬板材的彎曲成型，可卷制圓形，弧形和一定范圍的錐形工作，並有板材端部預彎功能，本機型兩個下輥為主動輥並可水平移動，上輥為從動輥上下移動，移動形式有機械式和液壓式，傳動軸均採用萬向連軸器連接，它廣泛適應于石油化工鍋爐造船金屬結構及機械製造行業，特別適用於送變電行業等直徑較小長度較長鋼管桿的卷制The results indicate that arc melting is a good method to produce nb - si system intermetallics due to its simpler technics, lower cost and compact products. however, powder metallurgy is found to be not suitable to produce the nb - si system intermetallics due to its coarse and loose products resulting from the poor molding property of nb and si mixed powders. optical floating zone technology, which is used to fabricate nb - si intermetallic composites for the first time, is also found to be a good way to produce nb - si system intermetallics because of its compact products and good property despite of its relatively high cost
結果表明，電弧熔煉方法制備得到的nb - si系金屬間化合物比較緻密，且制備工藝簡單，經濟實用，是一種合適的nb - si系金屬間化合物制備方法；由於nb 、 si元素粉末的成型性很差，用粉末冶金方法（熱壓燒結和冷等靜壓）制備的nb - si系金屬間化合物表面粗糙、緻密度低，且成本較高，不宜用於制備nb - si系金屬間化合物；首次用光學懸浮單晶生長技術制備的nb - si系金屬間化合物復合材料緻密度很高，盡管成本稍高，但由於性能最佳，也是一種合適的nb - si系金屬間化合物制備方法。Yttrium tungsten is primarily used in military and aviation industry with narrow arc beam, high compressing strength, highest welding penetration at medium and high current
在焊接時，弧束細長，壓縮程度大，在中大電流時其熔深比較大。目前主要應用於軍事工業和航空航天工業。The cable is manufactured on argon arc welding, crrugating and slotting production lind with the most advanced technolongy byslotting the holes along outer conductor axis, so the evenly - distributed rdlatively strong radiating signal in the close vicinty lf the cable along ts axis make it possible signal transimission, across long distance in uncovered area
50歐姆漏泄同軸電纜系採用現今最先進的氬弧焊、軋紋和可多向開槽設備，切削一組合適的外導體槽孔，使電纜周圍沿信號傳輸方向具有強度相對均勻的射頻信號，實現信號在分立天線盲區的長距離輸送。分享友人