直導線 的英文怎麼說
中文拼音 [zhídǎoxiàn]
直導線
英文
rectilinear wire-
Analysis on conglutination phenomena of subconductors at vertical arrangement of 220 kv transmission - line
垂直排列雙分裂導線粘連的分析與研究We consider next the electric field set up by a long thin uniformly charged wire.
我們接著討論由一細長、均勻帶電的直導線所產生的電場。Connection fitting ( hardware ) is mainly applicable for the connection of the conducting wire of aerial electric power line and terminals of lightning conductor, the connection of offline perch jumper wire and the repair of conducting wire
接續金具主要用於架空電力線路的導線及避雷線終端的接續、非直線桿塔跳線的接續及導線補修等。In a traverse, afternoon reciprocal angles should be easy to arrange.
在導線測量中，下午對向觀測垂直角應該是容易安排的。One to three - pole socket terminal strips lighting fixture terminals 380 v a. c. and 440 v d. c. for conductors up to 2, 5 mm
交流380v直流440v . 2 . 5mm2平方以下導線的一極至三極插The influence factors and optimal scheme of connected - triangle surveying with shaft is analyzed in detail. the formula for calculating the lateral transfixion errors of underground traverse with added gyro orientation line is derived strictly, the calculation results show that the accuracy can be increased obviously by the way of orienting added gyro lines
詳細分析了聯系測量各因素對方位傳遞的影響，探討並比較了加測陀螺方位角后地下導線的精度提高問題，論證了加測陀螺方位角后直伸等邊導線終點精度的嚴密計算公式及陀螺方位邊布測的最佳位置。In the anistropic magnetic medium under the condition of magnetic permeability 11unequal to 33, the magnetic field on axis line of current - carrying coil and that inside current - carrying solenoid can be calculated by applying biot - savart law of that medium. as the condition of their service is restricted, it is necessary to derive the magnetic field on axial line of current - carrying coil and that inside current - carrying solenod under more general condition of 11unequal to 33. on the basis of the magnetic field on axial line of current - carrying coil in anisotropic magnetic medium under the derived condition of 11unequal to 33, the authors obtain the magnetic field on axial line of current - carrying solenoid in anisotropic magnetic medium under general condition of 11unequal to 33. the result shows a wider applicable coverage
利用畢奧-薩伐爾定律，並在磁導率11 = 33的條件下，可求出各向異性磁介質中載流圓線圈軸線上的磁場，以及載流直螺線管內部的磁場.顯然，其使用條件受到限制.為此，有必要導出在11 33的更一般情況下，各向異性磁介質中載流圓線圈軸線上磁場和載流直螺線管內部的磁場.在已導出11 33及各向異性磁介質中載流圓線圈軸線上磁場的基礎上，求出一般情況下各向異性磁介質中載流圓線圈軸線上的磁場，使其結果適用范圍更廣The conclusion that the electromagnetic field is a covariant entia is drawn from the analysis of the forces acting on a moving charge beside a straight carrying wire in several frame of references by special principle of relativity
摘要利用狹義相對論分別對同一載流直導線外一個運動電荷的受力情況在幾種常用的參考系中分析，得出電磁場是一個協變的統一體的結論。A helicopter is used to install a guide wire. the cables, which will be the bridge & acute ; s main support, are strung from tower to tower
直升飛機用來設置導線。作為大橋的主要支撐，繩索被繃在塔之間。Planned realigning and leading lines for other rivers or river courses shall be worked out by water conservancy administrative departments under local people ' s governments at or above the county level and submitted to the people ' s governments at the same level for approval
跨省、自治區、直轄市的江河、河段和省、自治區、直轄市之間的省界河道的規劃治導線由有關流域管理機構組織江河、河段所在地的省、自治區、直轄市人民政府水行政主管部門擬定，經有關省、自治區、直轄市人民政府審查提出意見后，報國務院水行政主管部門批準。Dc testing, applying to transformer and inductor winding copper resistance 、 relay contact resistance 、 switch and socket contact resistance 、 lead resistance 、 compenent solder resistance 、 pcb line and hole resistance 、 metal detection, ect
直流測試，適用於變壓器及電感線圈銅阻、繼電器接觸電阻、開關、接插件接觸電阻、導線電阻、元件焊點接觸電阻印製板線條及焊孔電阻、金屬探傷等。Secondly, their aims are made the investment of substations, feeders or running cost of electric power system minimum. but they do n ' t take into account of land utilization, street accessibility of right of way, etc., but demands of electric power system. generally, a straight line distance, namely, euclid distance, was used for calculating the distance between a load point and a substation, which is a straight forward but non - practical way for most planning techniques
其次受研究工具的限制，這些模型以工程投資、運行費用等最小為目標，僅能考慮導線載流量、電壓降等電力系統技術約束條件，簡化略去了用地限制、街道可達性等重要的自然約束條件，且求解這些模型的前奏是計算負荷點到變電所的歐幾里得距離（直線距離） ，簡便但不切合實際（這一點在城市電網規劃中尤其重要） ，因此較難給出技術上可行的最優解。But high - voltage lines are already approaching the million - volt limit on insulators and the operating limits of semiconductor devices that control dc lines
不過，高壓線路的絕緣體已經逐漸接近百萬伏特的限制，而控制直流線路的半導體裝置，也即將達到運作極限。The results of calculation and measures show that the low frequency of steam pipelines vibration fastens on 4. 3 to 4. 5 hz and 9. 5hz, the low modes fastens on one - steps curl in vertical plane and its plane of each steam pipeline and one - rotation along with the line connecting the port circling main steam gate and the horizontal port of unit. the modes of # 3 and # 4 main steam conduits occupy the majority of low steps modes ( the five of the first eight phases ), except for the first phase rotation vibration, the maximal distortion of other low steps vibration modes are all caused by the vibration of erect pipelines of cylinder
計算和實際測量結果表明：導汽管低頻振動以4 . 3 - 4 . 5hz 、 9 . 5hz頻率為主，管系的低階模態以各導汽管在垂直導管平面和平面內的一階彎曲、以及繞主汽門處端點與水平段汽機端連線的一階扭轉為主， # 3 、 # 4導汽管的振動模態占低階模態的多數（前八階模態中的五階） ，除一階扭轉振型，導汽管的其它低階振動模態中都是進汽缸立管的下端振動變形最大。For aspecial example, the steady current was analyzed for circular section of straight conductor, then the distribution of the current, charge and field quantity were discussed
通過分析載流圓截面直導線中穩恆電流這一特例，討論了電流、電荷與場量的分佈問題。If we protect each wire as it passes through the metal cabinet wall and reference it directly, with a wire less than 6 inches ( 15 cm ) to the metal cabinet, then excellent protection is assured
當每條連線穿過金屬箱體並直接接地時，如果我們對每條連線進行保護，使用一條短於6英寸（ 15厘米）的導線與金屬箱體連接，可確保滿意的保護效果。Allocation of the lines to the pipe diameters of steel armoured conduits
對鋼制鎧裝管直徑的導線分配Based on the effective mass theory and critical state model, an anisotropic theory of critical current and ac losses for single hts tape and tape stacks were established. analytical formulae were presented to calculate critical currents and ac losses with an arbitrary angle between the wide side of hts tape and the direction of ac or dc applied fields. from the anisotropic theory of ac losses of hts sample, a numerical model to calculate ac losses of hts coil was developed
基於臨界態模型與高溫超導體的有效質量理論，建立了高溫超導帶材及並聯堆疊帶材的交流損耗與臨界電流的各向異性理論模型；給出了高溫超導帶材的交流損耗及臨界電流隨（交、直流）背景磁場與超導帶面夾角變化規律的理論公式；依據所建立的高溫超導短樣帶材的各向異性理論公式，給出了高溫超導線圈交流損耗的數值計算模型；並利用該模型，計算了高溫超導雙餅線圈的交流損耗；並與實驗測量結果進行了比較分析。The author puts forward using double pore model and two permeability model and triple medium models to represent its infiltrating fluid model and studies partly the infiltrating fluid. ( 2 ) various kind of test well curve form characteristic crevices - cave model on reservoir was studied. the test well curve of carbonate seam cave oil reservoir divides to 7 styles : homogeneity, double - pore, vertical - transmitting, compound, low - seepage, double - seepage and triple medium
充分利用動態資料和靜態資料，結合塔河油田碳酸鹽巖儲層特徵，開展典型探井的試井分析研究，將碳酸鹽巖縫洞型油藏試井曲線劃分為7大類：均質儲層油藏、雙孔介質油藏（包括孔隙?裂縫介質油藏、裂縫?孔隙介質油藏） 、垂直導流型油藏、復合油藏、低滲型油藏、雙滲介質油藏和三重介質油藏。Answer : preparative job includes : understands workplace one, the moving circumstance of 2 equipment, this job has with moving equipment without direct connection, have the job that cooperates without need with other team and group ; makes working priority discipline and the blemish that prepare to solve and weak point ; the staff member makes clear to divide the work and be familiar with the concerned data such as blueprint and test gauge cheng ; should be had the blueprint that agrees with actual state, record that examines last, newest rectify spare parts of the instrument that decides requisition, test gauge cheng, qualification, machine parts or tools kept in reserve, tool and join lead to wait ; is a few righter important equipment, especially complex protector or couplet jumps loop protector, should weave test program, working controller should fill in ticket of protection safety precaution, examine and approve via technical chief, just can carry out
答：預備的工作包括：了解工作地點一、二次設備的運行情況，本工作與運行設備有無直接聯系，與其他班組有無需要配合的工作；制定工作重點項目及預備解決的缺陷和薄弱環節；工作人員明確分工並熟悉圖紙與檢驗規程等有關資料；應具備與實際狀況一致的圖紙、上次檢驗的記錄、最新整定通知單、檢驗規程、合格的儀器、備品備件、工具和連接導線等；對一些重要設備，非凡是復雜保護裝置或有聯跳迴路保護裝置，應編制試驗方案，工作負責人應填寫繼電保護安全措施票，並經技術負責人審批，方能實施。分享友人