拉纜行進 的英文怎麼說
中文拼音 [lāhángjìn]
拉纜行進
英文
underrun-
During recently 3 years, i mainly engaged in mechanical vocation ' s plant planning. i attended 25 projects, which including feasible reports, preliminary designing and working drawing designing, ranged over establishment or technology reforming of machine tool factory, gear factory, tractor factory, automobile manufactory, electric pump factory, electromechanics factory, electric cable factory, the highest investment of them is 160 million yuan, total design work expand over 850 million ( no repeat calculate ). for i have professional ability and well up in developmental situation of mechanical vocation and it ' s situation inside jiangsu province, these projects what i designed were all authorized by leading department and expert, introduced into national plan and bring into operation. these projects bring both economic profit and society profit for the factory ' s technical advancement, product ' s update. as the director of these projects in these designing and consultation work, i generally organize and operate these and earn the higher valuation of leading department and consumer
近三年來主要從事機械行業工廠工程設計，先後參與二十五個項目的可行性研究報告編制，初步設計和施工圖設計.涉及機床廠，齒輪廠，拖拉機廠，汽車製造廠，電泵廠，電機廠，電纜廠的新建或技術改造，其中單項投資額最高的為1 . 6億元，總計完成投資額為8 . 5億元（未重復計算）的設計工作量.由於對機械行業發展狀況和省內狀況較為熟悉，具有一定的專業水平，這些設計項目均經有關領導部門，專家審定列入國家計劃，得以實施，為工廠的技術進步，產品更新換代，生產發展創造較好的經濟效益和社會效益.在這些設計，咨詢中，本人均任項目負責人，全面組織，實施設計工作，得到主管部門和用戶較高評價In this application, the lorentz force generated by the interaction between the current in the wire and the geomagnetic field produces an electro - dynamic drag leading to a fast orbital decay. in this paper, we make an intensive study of the process of de - orbiting using electro - dynamic tether system. the concrete work includes : firstly, i have studied the basic principle of how to generate the electro - dynamic drag, modeled via accuracy geomagnetism, made a concrete analysis of the de - orbiting duration, the magnitude and direction of electro - dynamic drag under the action of the dipole and accurate geomagnetic models, set up a counterbalance between electro - dynamic torque and gravity gradient torque, emulate the de - orbiting process of spacecraft, and compared the change of six orbital factors and the de - orbiting duration under the action of the dipole and accurate geomagnetic models
本文對基於電動力纜繩的航天器離軌過程進行了深入研究，具體工作如下:首先，本文研究了電動力纜繩產生電動力拉力的基本原理，建立了精確地磁場模型;分別在偶極子模型和精確地磁場模型作用下，對電動力拉力的大小、方向、離軌時間及電動力纜繩傾角的大小進行了計算分析;建立了電動力力矩與纜繩系統重力梯度力矩的平衡關系;分析了電動力力矩為系統提供能量的原理;最後分別在偶極子地磁場模型和精確地磁場模型作用下，對受電動力纜繩作用的航天器的離軌過程進行模擬，分析了在不同精度地磁場模型下，航天器離軌過程中各軌道參數的變化情況，並比較了不同模型對離軌時間的影響。Furthermore, shearing and tension tests were performed on grouted cable assemblies in order to simulate the field situation. compared with direct shear tests on coaxial cable, the experimental data were analyzed and valuable conclusions were proposed on the coming application of tdr technology in slope monitoring
為模擬實際工程情況，對澆築於水泥砂漿填充體中的同軸電纜tdr剪切與拉伸試驗特性進行了研究，總結了tdr波形的變化規律，並將試驗數據與同軸電纜直剪試驗相比較，為tdr技術的實際工程應用提供了依據。In addition, the analysis and test for the entire stability and limited carrying capacity are completed and results show that pingsheng bridge is also safe enough. 4. the influence on the static performance for pingsheng bridge of structural parameters, such as rise - span ratio of main cable, stiffened girder rigidity, main tower rigidity and main cable rigidity, is studied
對平勝大橋和與之具有相同結構參數的地錨式懸索橋模型進行了動力特性分析，並研究了主纜矢跨比、恆載集度、加勁梁剛度、主塔剛度、主纜抗拉剛度、吊索抗拉剛度等結構參數變化對兩類懸索橋動力特性的影響。分享友人