穩定電鏈 的英文怎麼說

中文拼音 [wěndìngdiànliàn]
穩定電鏈 英文
stabilized current source
  • 穩 : 形容詞1 （穩定; 穩當） steady; stable; firm 2 （穩重） steady; staid; sedate 3 （穩妥） sure; rel...
  • 定 : Ⅰ形容詞1 （平靜; 穩定） calm; stable 2 （已經確定的; 不改變的） fixed; settled; established Ⅱ動詞...
  • 電 : Ⅰ名詞1 （有電荷存在和電荷變化的現象） electricity 2 （電報） telegram; cable Ⅱ動詞1 （觸電） give...
  • 鏈 : Ⅰ名詞1. （鏈子） chain Ⅱ動詞（用鏈栓住） chain; enchain Ⅲ量詞（計量海洋上距離的長度單位） cable length
  • 穩定 : 1 （使穩定） stabilize; steady 2 （穩固安定） stable; steady 3 （物質的性能不易改變的作用） stabi...
  1. Long-chained charged synthetic and natural polymers can act to destabilize colloids by forming a bridge between one colloid and another.

    長鏈帶電的合成聚合物和天然聚合物，能夠在膠體間搭橋而使膠體不穩定。
  2. In order to play the whole advantage of supply chain, realize the information sharing, supplement with each other ' s advantages, reach a result of two - wins and set up a steady and healthy cooperative partner and strategic alliance relation, this paper proposes to choice the supplier by combining the actual situation of kunlun machine factory according to the supplier ' s choice standard and method, and then sets up a supplier evaluated indexes system of kunlun machine factory. with the example of the purchase of carbon - forms steel in hai - 2000 productions, the fuzzy - evaluation method is applied in evaluate three supplier of kunlun machine factory, and on the basis of it the encourage measures of different kinds of suppliers is studied. the paper also analyses the influence of e - business to enterprises material purchased and probes into the material purchase strategies under the environment of e - business ; finally, a supply chain integrated performance evaluate index system is designed according to the analyses of supply chain management theory, and two methods of self - evaluated and pole - evaluated are adopted in evaluate the supply chain purchase integrated performance of kunlun machine factory

    論文在對采購管理和供應鏈管理理論綜述的基礎上，根據昆侖機械廠采購管理現狀和軍品采購的特點，分析了昆侖機械廠物資采購中存在的問題，研究了昆侖機械廠物資分類采購的策略；為了發揮供應鏈的整體優勢，實現信息共享，優勢互補，達到雙贏效果，建立穩定健康的戰略合作夥伴，按照供應商的選擇標準和方法，結合昆侖機械廠實際對供應商進行選擇，並建立了昆侖機械廠供應商綜合評價的指標體系；以昆侖機械廠的海2000產品中的碳結鋼物資采購為例，運用模糊綜合評價方法對該廠的三家供應商進行了綜合評價，在此基礎上，研究了不同類型的物資供應商的激勵措施；論文分析了電子商務對企業物資采購的影響，探討了昆侖機械廠電子商務環境下的物資采購策略；根據供應鏈管理理論構建了昆侖機械廠物資采購供應鏈，設計了昆侖機械廠供應鏈采購整體績效評價的指標，採用自我評價和標桿評價方法對昆侖機械廠供應鏈采購整體績效進行了評價。
  3. Electrorheological fluids based on metal and silica particles dispersed in silicone oil respectively are observed by means of an optic microscope. the fractal theory is adopted to characterize phase separation of electrorheological fluids and the fractal dimension ( df ) of an electrorheological fluid of 10 % particles in silicone oil is determined as 1. 78

    模擬結果表明，電流變體的電致成鏈過程可分為三個階中文摘要段，即快速生長階段，緩慢生長階段和穩定階段；在成鏈過程中，小尺寸的微粒鏈和大尺寸的微粒鏈分別是流體的結構和其穩定性的重要決定因素。
  4. Aim at the dtc ' s blemish mentioned above and the direction of dtc technique development, the dissertation put great emphasis on the work as follows, with an eye to exalt dtc system function : ( 1 ) a new speed - flux observer of an induction motor is proposed to enhance the accuracy of flux observing, which is an adaptive closed - loop flux observer and different from the traditions. a new adaptive speed - observation - way is deduced out according to the popov ' s stability theories ; ( 2 ) to improve the performance of dtc at low speed operation, we have to exalt the accuracy of the stator flux estimation and a new way of bp neural network based on extended pidbp algorithm is given to estimate and tune the stator resistance of an induction motor to increase the accuracy of the stator flux estimation ; ( 3 ) digital signal processor is adopted to realize digital control. an device of direct torque control system is designed for experiment using tms320lf2407 chip produced by ti company ; ( 4 ) bring up a distributed direct torque control system based on sercos bus, sercos stand for serial real time communication system agreement which is most in keeping with synchronous with moderate motor control ; ( 5 ) the basic design frame of the hardware and software of the whole control system is given here and some concrete problem in the experiments is described here in detail

    針對上面提到的直接轉矩控制的缺陷和未來直接轉矩控制技術發展方向，本論文重點做了以下幾個方面的工作，目的在於提高dtc系統的綜合性能： （ 1 ）提出一種新型的速度磁鏈觀測器，新型的速度磁鏈觀測器採用自適應閉環磁鏈觀測器代替傳統的積分器從而提高磁鏈觀測的精度，並且根據popov超穩定性理論推導出轉速的新型自適應收斂律； （ 2 ）改善系統的低速運行性能，主要從提高低速時對定子磁鏈的估計精度入手，提出了一種提高定子磁鏈觀測精度的新思路? ?利用基於bp網路增廣pidbp學習演算法來實時在線地修正定子電阻參數； （ 3 ）採用數字信號處理器dsp實現系統全數字化硬體控制，結合ti公司生產的tms320lf2407晶元，設計了直接轉矩控制系統的實驗裝置； （ 4 ）提出了基於sercos總線網路化分散式的直接轉矩控制系統， sercos （ serialrealtimecommunicationsystem ）是目前最適合同步和協調控制的串列實時通信協議； （ 5 ）基本勾勒出整個控制系統的硬體和軟體設計基本框架，詳細描述一些實驗中的具體的細節問題。
  5. Et has integrated industrial chain from ingots, wafers, cells, modules to pv applied system, and steady order in pivotal material of ingots, wafers and cells, we have an capacity of 30mw in a year, and provide oem for other clients, except self - supporting products. et has all types of pv products, excellent capability. today, et products are exported to overseas markets, such as europe, north america, japan & korea and so on

    公司在擁有從硅棒、矽片、電池片到組件加工、光伏應用系統到終端的完整產業鏈，並在硅棒、矽片與電池片等關鍵原料方面有穩定的采購渠道，現有30兆瓦的組件年生產能力，除自營產品外，尚可對外提供oem加工業務；公司組件產品規格齊全，產品性能優良，產品主要銷往歐洲、北美及日韓等國家和地區。
  6. The experiment result shows that conversion efficiency in ccm is improved by 2 percent compared with that in dcm, although the on - resistance of winding in ccm is more than that in dcm. the analysis of open - loop transfer function in both dcm and ccm shows that pull - push hfl inverter at ccm

    微分補償網路的推挽高頻鏈逆變電路在輸出從空載變化到額定阻性負載變化的過程中，逆變電路工作模式從dcm變化到ccm模式，實驗結果表明電路在這兩種模式下都能輸出穩定的正弦電壓，且具有較高的穩態精度。
  7. Simulations for these two conditions prove validity of theoretical analysis. on the basis of this scheme, a new speed adjustment strategy about vector control of doubly fed motor based on rotor current vector fixing is given. it introduces the closed - loop of stator excitation current to the system, which increases two adjustment channels : speed and excitation adjustment

    經理論分析可知，該方案中，由於轉子電流與磁鏈無法實現完全解耦，故僅在亞同步工況下有效，在超同步時則會因為調速系統不能自動校正轉子磁鏈幅值變化引起的橫向電流而使系統失去控制，無法達到穩定狀態。
  8. Value - added service is paid more and more attention, and the industry chain of the value - added service is paid close attention by academic circles, business circles and government. how to construct the industrial chain becomes a focus, and how to distribute the profit of industrial chain is very important to ensure the stabilization and development of the industry chain

    增值業務越來越受到大家的普遍重視，而電信增值業務產業鏈也受到了包括學術界、企業、政府的密切關注，如何構建合理的電信增值業務產業鏈已成為大家關注的焦點之一，建立和完善合理的利益分配模式則是電信增值業務產業鏈穩定發展的重要保證。
  9. Structural stability and electronic structures of nb atomic chains

    原子鏈的結構穩定性和電子性質
  10. Structural stabilities and electronic structures of ga atomic chains

    鎵原子鏈的結構穩定性和電子結構
  11. After analyzing the mathematical model of wind turbine and doubly - fed induction generator, a schematic is given about the power flow in the wind turbine and generator and a static equivalent circuit is shown as well. then, through the reference frame transform, the electromagnetic equation, dynamic equivalent circuit, and vectorgraph of doubly - fed generator can be gotten in the dq reference frame. in virtue of the general dynamic equivalent circuit, it produces a asymmetry equivalent

    本文在對風力機和雙饋電機進行了數學分析后，給出了功率在風力機和雙饋電機中的流動過程圖解，同時給出了雙饋電機的穩態等效電路；然後，經過坐標變換，進一步得出了同步坐標系下雙饋電機的基本電磁方程、功率方程、動態等效電路和綜合矢量圖，並藉助通用動態等效電路的形式，得出了便於定子磁鏈分析的不對稱等效電路。
  12. Traditional direct torque control uses two value torque regulator which makes zero voltage vector work long and make flux shape bad seriously and makes response time long when the speed of induction motor is very low or drops down quickly. in order to solve this problem the thesis puts forward a new way to use three - value torque regulator, when the motor speed is very low or drops down quickly, the contrary voltage vector is used instead of zero voltage vector and the between the stator flux and rotor flux is reduced quickly so that torque is reduced quickly and response time becomes shorter

    為此，本論文提出三點式轉矩調節，這樣當電機低速運轉或給定轉速突降時，不是加零電壓矢量，而是加反方向的電壓矢量，使定子磁鏈與轉子磁鏈之間的夾角迅速減小，從而使電磁轉矩也迅速減小，大大減小了調速時間，同時磁鏈值仍然保持基本恆定，輸出比較穩定的電磁轉矩，這在電機制動過程中非常有用。
  13. Silylate - terminated polyurethanes with built - in hydrophilic sites were synthesized. when the polymer is dispersed in water, the silane alkoxy end - groups of the polymer undergo hydrolysis, followed by condensation to form a stable cross - linked aqueous dispersion. tem studies indicated that with more incorporation of hydrophilic sites, the particle size of the dispersion decreased. it was also found that the film property depended on the particle size when the crosslinking density in particels was much higher. the average molecular weight of the elastically effective network chain mc measured by swelling experiments shows fairly good agreement with the theoretical value of mc. it was also found that the cross - linking density of the casting film may increase during the film formation and drying process

    將硅氧烷封端的含親水基團的線性聚氨酯預聚體分散於水中，獲得穩定的聚氨酯分散體.由於硅氧基團水解、縮合，在分散體粒子內產生擴鏈交聯反應，生成了交聯水基聚氨酯分散體.透射電子顯微鏡研究表明分散體粒徑小、分佈寬.掃描電子顯微鏡研究了成膜結構及成膜性能與粒徑的關系.溶脹實驗計算獲得的兩交聯點之間的平均分子量與理論平均分子量相符.研究還發現此分散體膜在乾燥過程中可進一步交聯.膜的水溶脹及機械性能表明，此分散體具有極大的工業應用價值
  14. The author firstly analyzed the mathematic model of the cascaded brushless doubly - fed machine ( cbdfm ) on the dq and mt coordinate rotating at rotor speed and synchronous speed seperatly, and the equivalent circuit of steady state. the author also analyzed the stator power winding flux oriented vector control strategy of the cbdfm as vscf wind power generator and validated the validity of the model and strategy by the simulation analysis

    此外，本文還首次詳盡地分析了級聯式無刷雙饋電機在轉子機械速dq坐標系、定子同步速mt坐標系下的數學模型，穩態等效電路及作變速恆頻風力發電機運行時的定子功率繞組磁鏈定向矢量控制策略，通過模擬分析驗證了模型和策略的正確性。
  15. Based on the former researches, the speed estimation and rotor flux observation methods are studied using the theory of model reference adaptive system. considering the time variability of the stator and rotor parameters of induction motors, the methods make real - time identification of the parameters to retain the dynamic performance of the drive system

    在前人研究的基礎上，本文應用基於超穩定性理論的模型參考自適應系統，對無速度傳感器矢量控制系統的轉速估計和轉子磁鏈觀測進行研究，考慮電機定轉子參數的時變性，對電機的一些定轉子參數進行實時辨識，以保持系統的動態性能。
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