gradient current 中文意思是什麼

gradient current 解釋
坡降流
  • gradient : adj. 1. 傾斜的。2. 【動物；動物學】步行的，能步行的。n. 1. 〈英國〉（道路的）傾斜度，坡度，坡路。2. 【物理學】梯度，陡度，（溫度、氣壓等的）變化率，梯度變化曲線。
  • current : adj. 1. 通用的，流行的。2. 現在的，現時的，當時的。3. 流暢的；草寫的。n. 1. 水流；氣流；電流。2. 思潮，潮流；趨勢，傾向。3. 進行，過程。
  1. The results show that the strong winter monsoon will decrease the gradient of ssh, and change the characteristics of sst, which has influence on the sea current, especially in a shallow and closed sea area such as the south china sea

    結果表明：強冬季風會減弱海面高度梯度，普遍降低黑潮區海表溫度，對流場有一定的影響，尤其在南海這樣的封閉海區。
  2. Compared with current instruments, the setup can decrease disturbance of disorder radiation by using double layer refractive index sample matching vessel, and it can increase collecting and transmitting efficiency of radiation by adopting single mode fiber with gradient refractive index lens. with a low power laser, the sample has a low scathe, and the laser and the measurement system can be integrated conveniently

    與現有的同類型儀器相比，該儀器採用雙層折射率樣品匹配池減少了雜散光的干擾；採用帶梯度折射率透鏡的單模光纖接收、傳輸散射光信號提高了散射光的收集傳輸效率；用低強度的激光避免了對樣品的輻射損傷，同時可以使激光器和系統集成在一起，整個系統小型實用。
  3. The stress induced electrical current changes with stress changing. the sensitivity of cfrc and plain concrete depends on their component, loading condition and the method of measurement. the study on mechano - electric effect of hardened cement paste provides a new method to make smart concrete structures. according to nonequilibrium thermodynamics, a mathematical model on the relatrionship between strain gradient and electric potential gradient is presented

    研究表明，碳纖維混凝土（粗骨料）的電阻隨所受荷載的變化而變化，不同組成混凝土的力電機敏特性不同，力電機敏特性可望用於混凝土結構的應力診斷，從而為智能混凝土結構的實現開辟了新的途徑。
  4. According to more effect, when the hore component is placed in a gradient field, at the same time the direction of the current is perpendicular to the direction of the voltage, then between the two parallel side face come out the hore voltage. when hore component is set in this kind of uni - gradient magnetic field and the electric current is unchanged, the voltage output of hore component will be proportional to the position of the hore component in the magnetic field. so we can use the hore component to measure the movement of hore component against magnetic field

    根據霍爾效應可知，置於磁場中的霍爾元件若電流方向與磁場方向垂直，則在霍爾元件垂直於磁場和電流方向的兩個側面將產生電勢，將霍爾元件置於強度隨空間位置線性變化的磁場中，且控制電流恆定，輸出就正比于霍爾元件處于磁場中的位置，因此可以用霍爾元件來測量磁場與霍爾元件間的相對位移量。
  5. In the second chapter, we firstly present a circuit of 8 - bit, 80mhz samples / s thermometer - decoded dac with hierarchical symmetrical switching sequences which will compensate gradient error, on the basis of 8 - bit dac, we then present high frequency, high definition 12 - bit, 80mhz samples / s current - steering dac

    第二章：提出了具有梯度誤差補償的高速8位、 80mhz溫度計碼數模轉換器，並在此基礎上進一步提出了高速、高精度12位、 80mhz采樣率電流舵結構數模轉換器。
  6. According the key factors we find, we bring forward a new conception : multilevel suppressor and design a new high performance suppressor whose ion - exchange membrane has bigger areas and using three electrodes including one cathode ( anode ) and two anodes ( cathode ), at the same time we fill the suppression compartment with one kind of ion exchange resin which has moderate exchange capacity. according to our experiment ' s results, we find the new type suppressor has quite high working current efficiency and suppressing capacity. in most cases, the suppressor ' s current efficiency is over 90 % ; the suppressor can transform the naoh ( concentration : 200mmol / l, flow rate : i. oml / min, conductance : over 10000 i - i s cm " ) to pure water ( conductance : 8. 9 it s cm in chapter 3, the high performance suppressor is applied in determination some trace - amounts ions in plating solution, sewage. in this chapter, we also have a research on the gradient ion chromatography

    第二章首先以xyz - 1型電化學抑制柱為例，分析了電化學抑制柱的抑制過程得出影響抑制容量的主要因素主要是抑制柱的電流效率和離子交換膜的極限電流密度，因此採用中等交換能力的離子交換樹脂作為抑制室的填料以提高電流效率，在通常情況下電流效率可達到90以上；在選用同種離子交換膜的前提下，可通過增加離子交換膜的有效面積達到提高極限電流的目的從而提高抑制柱的抑制容量，因此提出了多級抑制的概念並據此研製了共電極式高容量電化學抑制柱，該抑制柱最高可將流速為1 . 0ml / min ，濃度為200mmol / l電導率超過10000 s ? cm ~ （ - 1 ）氫氧化鈉溶液抑制為電導率低至8 . 9 s ? cm ~ （ - 1 ）的純水，並且具有穩定性高、分析結果準確等優點。
  7. 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。
  8. A microstrip array is designed to meet the needs of the technical specifications. a hybrid method with the full wave, fft and biconjugate gradient ( bcg ) is used to calculate the current distributions on the microstrip. the simulated results show that the method can improve the analysis efficiency and speed up the calculation speed

    研製了符合技術指標的微帶天線陣列，設計中將傳統的全波分析方法與快速付立葉變換（ fft ）和雙共軛梯度（ bcg ）法結合起來，用於分析微帶天線的電流分佈，改進了計算方法，加快了計算速度。
  9. The main contributions of this dissertation are summarized as follow : ( 1 ) an ilc approach combining feedforward with current feedback is developed based on optimal feedback control and the gradient method. a sufficient condition that guarantees the convergences is given for linear system. the procedures of designing the algorithm can employ lqr, h2 or h approaches to improve the convergence rate of learning in iterations

    本文的主要成果有： 1 、在開閉環綜合迭代學習控制結構的基礎上，分析了利用梯度下降法設計前饋迭代學習控制器時，為保證演算法的收斂性，閉環控制系統應該滿足的充分條件，並依據提高演算法收斂速率的優化條件，給出了基於lqr 、 h _ 2和h等優化控制技術的迭代學習控制演算法的設計方法。
  10. In short, adding appropriate amount rare - earths oxide can improve potential gradient greatly, decrease leakage current with voltage ratio no changed and make zinc oxide varistor with outstanding comprehensively performance

    總之，添加微量稀土氧化物能夠顯著提高氧化鋅壓敏閥片的電位梯度、降低漏電流，使其具有優良的綜合性能。
  11. So the optium content of ceo2 is 0. 06mol % in this study. when the la2o3 content is 0. 04mol %, potential gradient is the highest, and improves about 57 %, voltage ratio is lower, leakage current is minmum

    當la _ 2o _ 3含量為0 . 04mol時，氧化鋅壓敏閥片的電位梯度達到極值，與不含la _ 2o _ 3的氧化鋅壓敏閥片相比提高約57 ，且壓比較小，漏電流最低。
  12. So the optium content of nd203 is 0. 04mol % in this study. when the ceo2 content is 0. 06mol %, potential gradient is maximum, improves about 30 %, voltage ratio is lower, and leakage current is the lowest

    當ceo _ 2含量為0 . 06mol時，氧化鋅壓敏閥片的電位梯度達到極值，比添加ceo _ 2前的電位梯度提高約30 ，且壓比較低，漏電流最小，因此本實驗ceo _ 2添加量的最佳值為0 . 06mol 。
  13. Relative gradient current

    相對梯度流
  14. Based on the principle of " gradient consume " and " moderate consume ". this paper further considering former design experience in connection with an investigation on current dwelling of xi ' an, to discuss the method of urban medium and small - sized dwelling unit type in xi ' an from four aspects : rational behavioral designing, improving of kitchen and toilet functioning and improving of its adaptability and flexibility

    同時結合對以往設計的總結，針對西安地區居民居住實態的調研，從注重行為單元的合理設計、廚衛功能質量的改善、注重提高套型的適應性與可變性等方面去討論。
  15. The results of experiment indicated that adding a appropriate amount of rare - earths oxide in zinc oxide varistor led to increase potential gradient greatly, decrease leakage current with voltage ratio no changed. when the nd2o3 content is 0. 04mol %, potential gradient of zinc oxide varistor is maximum, improves about 65 % compared with zinc oxide varistor no containing nd2o3, voltage ratio and leakage current are the lowest

    當nd _ 2o _ 3含量為0 . 04mol時，氧化鋅壓敏閥片的電位梯度達到極值，與不含nd _ 2o _ 3的氧化鋅壓敏閥片相比提高約65 ，且壓比最低，漏電流最小，因此本實驗nd _ 2o _ 3添加量的最佳值為0 . 04mol 。
  16. Current status of the research on functionally gradient materials

    功能梯度材料的研究現狀
  17. Current status and development of functionally gradient materials

    梯度功能材料的研究現狀及發展
  18. Synthetic analyze that effect of nd2o3 on improving potential gradient is the most outstanding, effect of la2o3 is more outstanding and that of ceo2 is the inferior. adding appropriate amout nd2o3 improves remarkably potential gradient, at the same time decrease leakage current and voltage ratio, that results in zinc oxide varistor with excellent comprehensively performance

    綜合分析， nd _ 2o _ 3提高壓敏電位梯度的作用最為顯著， la _ 2o _ 3次之， ceo _ 2最弱，並且適量的nd _ 2o _ 3在顯著提高壓敏電位梯度的同時，可降低漏電流和壓比，使壓敏閥片具有優良的綜合性能。
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