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- Harmonic influence and resolvents on DC electric drive system of oil drilling rig 石油钻机直流电驱动系统的谐波影响及其解决方案
- OPTIMAL CONTROL PROBLEMS OF DC ELECTRICAL DRIVES 电力拖动的最优控制问题
- A series of advanced technologies are applied,e.g.,DC electric rig,stepless speed regulation pump and top drive system,steerable drilling system,powerful downhole motor,and advanced drill bit. 该井采用了直流电动钻机、无级调速泵及顶部驱动装置、导向钻井系统、大功率优质马达、优质钻头等一系列先进工艺，经科学论证与施工，取得了满意的效果。
- Can electric drive challenge high-power shuttle bus? 电力驱动能挑战大功率豪华轿车吗?
- This paper describes the study and development of magnesia carbon refractories for DC electric arc furnaces. 本文阐述了直流电弧炉用镁碳质耐火材料的研究及发展。
- The quenching microstructure of low carbon steel after austenizing with and without DC electric field was studied. 研究了低碳钢在直流静电场中进行奥氏体化后淬火的显微组织。
- The disposition of AC filter compensator of 70 t DC electric arc furnace of Xinjiang Bayi Iron &Steel Group Co. 叙述并分析了新疆八钢70t直流电炉交流滤波补偿装置的配置构成和补偿后电网电能质量的性能测试情况。
- It describes the inspection,test,repair and experiment method after one time coil seriously burned out of Lincoln DC-1500 DC electric welder. 叙述了美国林肯DC-1500直流电焊机变压器一次线圈严重烧坏后的检查、测试、修理及试验方法。
- This paper describes how DC electric field enhances oil flow, in creases water injectivity and disposes formation plug.It also giv... 介绍了直流电场强化油流、增强注水能力、解除地层堵塞技术，探讨了技术机理。
- The range of Liebherr electric drive mining trucks are designed and built in Virginia, USA. 利勃海尔电动矿用卡车系列在美国弗吉尼亚州设计和制造。
- The electric drive system is made detachable for ease of transportation and installation. 为了便于运输和安装，电力驱动系做成可以拆卸的。
- Under the external AC and DC electric field, the effective nonlinearresponses and local potentials are induced by the cubic nonlinearity of Kerr materialsat all harmonics. 在外加直流电和交流电混合电场的激发下,各谐和频率下的有效非线性响应和相应的电势都可以被这种Kerr型复合介质的立方非线性特性所感应出。
- The electric drive system, dubbed Hi-Pa Drive, packs four permanent magnet brushless motors with one in each wheel. 电动驱动系统，被称为高新技术坝道，包四永磁无刷电机在每个车轮。
- I like idiots like sit at home and not use electric drive television, the brain actually is very ambiguous. 我像个傻瓜似的坐在家里，不开灯开着电视，脑子里却是模糊不清的。
- In 2007,Bosch Rexroth Electric Drives and Controls ( ShenZhen) Co. 在全国主要大中城市设有十八个办事处和四大维修服务中心。
- This article presents the application of IGBT-PWM regulating speed system in machine tool's electric drive. 机床电力拖动系统采用集成电路实现脉宽调制方式调速用IGBT管驱动电动机。
- This paper presents the results of study on work of current inverter in asynchronous electric drive. 研究了基于自动电流逆变器的异步电力驱动装置的运行问题。
- An electrical drive element (transistor) for a single signal on a PCI device. 用于PCI单一信号的电气驱动器件（晶体管）。
- The self-oscillations in a hybrid liquid crystal optical bistable device due to the competition between the DC electric field-induced drift of ionic charge carriers and molecular reori-entation in the liquid crystal are observed experimentally. 在液晶混合光学双稳装置中,实验上观察到了由于直流电场引起的液晶中离子电荷飘移与液晶分子再取向之间竞争相互作用导致的自脉冲振荡现象。
- Using 4 V DC electrical action,the possibility of the solid proton electrode,antimonic acid, gettering of tritium from air is investigated. 用锑酸作消气材料,压制成消氚电极,在适当外加条件下,考察了锑酸作消氚材料直接将含氚废空气中的氚除去的可能性。
