驅動梯度 的英文怎麼說
中文拼音 [qūdòngtīdù]
驅動梯度
英文
driving gradient-
In this paper, the analytical method of linear stability has been applied to establish the marginal stability criterion of natural convection in porous medium, after considering the action of gravity, centrifugal and coriolis forces together in centrifugal force field
理論研究的結果表明，當離心力與溫度梯度同方向時，只要滿足ra > 7 . 81 2或ra0 > 4 2 ，多孔介質中即可發生離心力、重力與哥氏力共同驅動的自然對流。The results of the tests were that : current two metal layers wave - guide film on columned ferrites was replaced by multi - function gradual films which improved the influence of rheotaxis to some extent. so the wave - guide films of ferrites were good to meet to the micro - wave conduction and driving consumption
主要結果如下：用多層梯度功能膜代替了現有的雙層鐵氧體金屬波導薄膜，在一定程度上改善了趨肽效應的影響，使得鐵氧體波導薄膜在微波傳輸和驅動功耗上達到比較好的結果。This paper presents our research in actuating in - vivo micro - robot based on the capsule endoscope platform by the external power. while seeking secure driving method we take several factors into account, such as driving environment, power transmitting and consuming, motion requirement and controllability, and locating technique. we mainly deal with driving the capsule with spatial gradient magnetic field, so we employ combined electro - magnetic coils, including gradient coils and homogenous coils, which have rotational dof around a translatable patient bed, to compose a controllable uniform gradient which act on the permanent - magnet embedded robot, thereby get an appropriate spatial force and torque to fulfill the anticipant locomotion such as move, stop, pitch and yaw
基於驅動環境、能量供給和消耗、驅動動作要求及驅動安全性與可控性，定位方案等多方面考慮，尋求安全可靠的腸胃檢查微機器人的外部驅動控制方法，並著重研究直接利用外磁場磁力驅動微機器人:在微機器人內部嵌入永磁性體，利用體外的組合電磁線圈產生加載電流控制的驅動磁場，其中外部的電磁線圈由多組梯度線圈和勻場線圈組合構成，通過繞病床的旋轉以及病床的平移共同控制微機器人所在位置的磁場強度及梯度，作用於微機器人內嵌磁體以獲得空間意義上的必要驅動力和調整轉矩，從而有效地完成驅動動作要求。For the bldcm which has a general crest width of the back - emf waveform, two kinds of torque ripple conditions when drived by sine - wave current as well as by square - wave current are deduced based on the mathematical models. in addition, a comparison is carried out between these two conditions, which indicates that sinusoidal current driving is more favorable to minimizing the torque ripple when the crest width of the back - emf waveform is less than a certain value
闡述了抑制齒槽轉矩措施對反電動勢波形的影響，利用無刷直流電機的數學模型推導並比較了任意平頂寬度梯形波反電動勢在正弦波和矩形波兩種電流驅動下的電磁轉矩脈動情況，得出在梯形波平頂寬度減小到一定數值后採用正弦電流驅動更有利於減小電磁轉矩脈動。Full - computer professional control system, classic and reliable driving style, outstanding performance of door operating structure, high - intensity car design, make our freight elevators suitable for different locations easily
採用全電腦電梯專用控制系統經典可靠的驅動方式性能卓越的門傳動結構高強度的轎廂設計，使之在各種工況下均舉重若輕勝任有餘。The effect of the strain gradient on the onset of adiabatic shear instability in gradient - dependent particle reinforced metal matrix composites is investigated by using of linear perturbation analysis in this paper. the analytical results demonstrate that high strain gradient produced by the reinforcing particle will provide a strong a deriving force for the onset of adiabatic shear instability in mmcp
結果表明：增強顆粒的加入，改變了基體材料的微結構，並在基體中誘導了高的應變梯度，而這種高的應變梯度為mmcp的失穩提供了強大的驅動力，使其更易發生絕熱剪切變形局部化失穩。Using gradient of digital image as criterion of focusing, different image grabbed on different lens position is compared, and lens motor is droved to the optimal position according to result of comparison
該方法利用圖像的梯度和作為鏡頭聚焦的判據，對圖像質量進行分析比較，根據比較結果驅動鏡頭運動直至最佳聚焦點。This dissertation focus on a innovation methods for inverter controlled hydraulic elevator system applying pressure accumulator as the " pressure - energy transformer ". the required power supply and running energy can be reduced remarkably when accumulators storing and releasing pressure oil. then the key items about hydraulic speed control system based on the ens 1 - 2 and other hydraulic elevator standards are investigated in detail
本論文主要研究了採用蓄能器-液壓泵馬達構成的「壓力-能量轉換裝置」來儲存釋放變頻驅動液壓電梯系統的能量，從而降低液壓電梯裝機功率和運行能耗的新方案；在此基礎上，根據國內外液壓電梯的標準進行了與速度控制相關的關鍵項目測試，最後針對本課題研製的節能控制系統與當前市場上幾種典型的液壓電梯控制系統進行了能耗對比研究。Escalator construction, driving machines, speed control, drive chains, rails, safety devices, steps, combs, guards, etc
自動扶梯自動扶梯結構、驅動器、速度控制、驅動鏈、軌道、安全設備、踏級、梳齒、保護裝置等The results show that moisture gradient is not the dominant driving force of moisture movement in the process
試驗分析表明，真空浮壓乾燥過程中，含水率梯度不是水分移動的主要驅動力。Pcr analysis indicated that all lines had been integrated of ssmapkk. northern analysis revealed the presence of expression of ssmapkk mrna in transgenic lines. in principle, ssvp overexpression can increase proton electrochemical gradients across the vacuolar membranes, which permit the secondary active transport of na + and solute molecules
理論上， ssop的過量表達可增加轉基因植株細胞跨液泡膜的質子電化學梯度，為次級轉運提供驅動力，從而增加可溶性物質和na十向液泡內的轉運，提高轉基因植株的抗旱和抗鹽性。The buckling analysis of functionally gradient thin elastic plate bonded piezoelectric patches
壓電元件驅動的功能梯度彈性薄板的屈曲Incorporation of kones mature escalator technology, advanced micro - computer control system, high strength truss structure, classical driving system, and completed safety devices, fully ensure our products safe, reliable, endurable and bring steady and comfortable riding. refine craftwork, fluent lines and elegant style form the combination of practical riding function and visual enjoyment. frequency conversion technology selected makes the escalator more energy - saving
引進通力成熟的自動扶梯技術，採用先進的微機控制系統，高強度的桁架結構經典的驅動技術完善的保護裝置，使產品安全可靠耐用，乘坐平穩安靜舒適精緻的工藝流暢的線條優雅的造型，使產品兼有乘坐的實用功能與視覺的裝飾效果變頻驅動的選用，使產品省電節能，而室外型自動扶梯能經受各種氣候環境條件考驗。For the optimization problem of fgms fracture performance, this paper fundamentally studies the fgm coating plate with interface edge - cracks, and establishes the approximate analysis method of the driving force for interface edge - cracks growth - energy release rate. this paper considers energy release rate as objective function and the optimization problem of fgms fracture performance is carried out by the paper mention optimization scheme
關于梯度材料破壞性能的優化設計問題，本文對含邊界界面裂紋的平板狀梯度塗層進行了初步的研究，建立了邊界界面裂紋擴展驅動力- -能量釋放率的近似分析方法，以能量釋放率為優化設計目標函數採用本文提出的優化設計方案對梯度材料的破壞性能進行優化設計。Our bed elevators incorporate kones mms modular design, original kone control system, 32 - bit networking micro - computer, group - control for 8 elevators, vvvf drive technology and absolute value memorization of cars displacement. timely speed adjusting for the comfortable ride, running steadily, high accurate leveling, soft and warm decorations make our passengers feel human consideration. bed elevator with geared machine performs well and reliably
引進通力mms模塊化產品技術，原裝進口全套通力控制系統， 32位網路化微機8臺群控vvvf變頻驅動轎廂位移絕對記憶按人體舒適要求實時速度調節，運行平穩舒適，實現幾近零對零的平層精確度，病床進出如履平地柔和溫馨的裝飾，讓乘客倍感無微不至的人文關懷傳統有電梯，經典可靠採用來自通力領先業界的永磁同步技術的小無機房解決方案，節能環保節省建築空間和造價。Electromechanical response of a functionally gradient piezoelectric actuator based on pzt ceramics at resonance condition
系梯度功能壓電驅動器的諧響應特性Screws, pan head, internal offset cruciform ribbed or unribbed drive, stepped shank, short or medium length mj threads, metallic material, coated or uncoated, strength classes less than or equal to 1100 mpa - dimensions
強度級小於或等於1100mpa的塗層或未塗層金屬材料制階梯形桿短長度或中等長度mj螺紋的內偏移十字形肋狀或非肋狀驅動的平頭螺釘.尺寸A non - driving - force approximation is presented for the description of dynamic response of a spherical porous particle subject to a step change in the surface concentration
摘要本研究推導用於描述因顆粒表面濃度階梯式改變所導致動態行為之非驅動力近似式。The second mode shows a peak at 2 - 3 years. in equatorial cold tongue region, sst anomalies have great influence on the variation of turbulent heat fluxes. while out
在第二模態中，由sstdipole驅動的越赤道的異常風，只在sst梯度較大的北半球oon一10on的區域較強。Investigation on bending resonance properties of functionally gradient piezoelectric ceramics actuator
梯度功能壓電陶瓷驅動器的彎曲諧振特性研究分享友人