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- Harmonic influence and resolvents on DC electric drive system of oil drilling rig 石油鉆機直流電驅動(dòng)系統的諧波影響及其解決方案
- OPTIMAL CONTROL PROBLEMS OF DC ELECTRICAL DRIVES 電力拖動(dòng)的最優(yōu)控制問(wèn)題
- 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. 該井采用了直流電動(dòng)鉆機、無(wú)級調速泵及頂部驅動(dòng)裝置、導向鉆井系統、大功率優(yōu)質(zhì)馬達、優(yōu)質(zhì)鉆頭等一系列先進(jìn)工藝，經(jīng)科學(xué)論證與施工，取得了滿(mǎn)意的效果。
- Can electric drive challenge high-power shuttle bus? 電力驅動(dòng)能挑戰大功率豪華轎車(chē)嗎?
- This paper describes the study and development of magnesia carbon refractories for DC electric arc furnaces. 本文闡述了直流電弧爐用鎂碳質(zhì)耐火材料的研究及發(fā)展。
- The quenching microstructure of low carbon steel after austenizing with and without DC electric field was studied. 研究了低碳鋼在直流靜電場(chǎng)中進(jìn)行奧氏體化后淬火的顯微組織。
- The disposition of AC filter compensator of 70 t DC electric arc furnace of Xinjiang Bayi Iron &Steel Group Co. 敘述并分析了新疆八鋼70t直流電爐交流濾波補償裝置的配置構成和補償后電網(wǎng)電能質(zhì)量的性能測試情況。
- It describes the inspection,test,repair and experiment method after one time coil seriously burned out of Lincoln DC-1500 DC electric welder. 敘述了美國林肯DC-1500直流電焊機變壓器一次線(xiàn)圈嚴重燒壞后的檢查、測試、修理及試驗方法。
- This paper describes how DC electric field enhances oil flow, in creases water injectivity and disposes formation plug.It also giv... 介紹了直流電場(chǎng)強化油流、增強注水能力、解除地層堵塞技術(shù)，探討了技術(shù)機理。
- The range of Liebherr electric drive mining trucks are designed and built in Virginia, USA. 利勃海爾電動(dòng)礦用卡車(chē)系列在美國弗吉尼亞州設計和制造。
- The electric drive system is made detachable for ease of transportation and installation. 為了便于運輸和安裝，電力驅動(dòng)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. 在外加直流電和交流電混合電場(chǎng)的激發(fā)下,各諧和頻率下的有效非線(xiàn)性響應和相應的電勢都可以被這種Kerr型復合介質(zhì)的立方非線(xiàn)性特性所感應出。
- The electric drive system, dubbed Hi-Pa Drive, packs four permanent magnet brushless motors with one in each wheel. 電動(dòng)驅動(dòng)系統，被稱(chēng)為高新技術(shù)壩道，包四永磁無(wú)刷電機在每個(gè)車(chē)輪。
- I like idiots like sit at home and not use electric drive television, the brain actually is very ambiguous. 我像個(gè)傻瓜似的坐在家里，不開(kāi)燈開(kāi)著(zhù)電視，腦子里卻是模糊不清的。
- In 2007,Bosch Rexroth Electric Drives and Controls ( ShenZhen) Co. 在全國主要大中城市設有十八個(gè)辦事處和四大維修服務(wù)中心。
- This article presents the application of IGBT-PWM regulating speed system in machine tool's electric drive. 機床電力拖動(dòng)系統采用集成電路實(shí)現脈寬調制方式調速用IGBT管驅動(dòng)電動(dòng)機。
- This paper presents the results of study on work of current inverter in asynchronous electric drive. 研究了基于自動(dòng)電流逆變器的異步電力驅動(dòng)裝置的運行問(wèn)題。
- An electrical drive element (transistor) for a single signal on a PCI device. 用于PCI單一信號的電氣驅動(dòng)器件（晶體管）。
- 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. 在液晶混合光學(xué)雙穩裝置中,實(shí)驗上觀(guān)察到了由于直流電場(chǎng)引起的液晶中離子電荷飄移與液晶分子再取向之間競爭相互作用導致的自脈沖振蕩現象。
- Using 4 V DC electrical action,the possibility of the solid proton electrode,antimonic acid, gettering of tritium from air is investigated. 用銻酸作消氣材料,壓制成消氚電極,在適當外加條件下,考察了銻酸作消氚材料直接將含氚廢空氣中的氚除去的可能性。
