drift field 中文意思是什麼

drift field 解釋
漂移電場
  • drift : n 1 漂亮；（潮流的）推進力。2 漂流物；吹積物；堆積物；【地質學；地理學】冰磧，漂礫。3 傾向，趨勢...
  • field : n 菲爾德〈姓氏〉。n 1 原野，曠野；（海、空、冰雪等的）茫茫一片。2 田地，牧場；割草場；〈pl 〉〈集...
  1. A recommend value of appropriate roadbed height is put forward according to the sand dune type and the highway grade, make investigation to the sand harm and other problems of built highways in desert areas gathering the related materials of present day highways, and then make comprehensive and systematic statistics to related data and racious factors which affect the roadbed height ; analy the suitable roadbed height for the windblown sand drift passes through smoothly according to the open country windblown sand field test ; test and verify the outcome according to indoor wind tunnel test ; finally a appropriate recommend roadbed height value will be put forward for different grade highways in different areas, which is according to the analysis of roadbed stability the roadbed height economic analysis and different use requirement to different grade highways

    收集現有沙漠公路的有關資料，對全國已建沙漠公路進行沙害及其他病害調查，對相關數據和影響沙漠公路路基高度的各種因素進行綜合系統地統計分析；通過野外風沙流場測定，分析適宜風沙流順利通過的路基高度；通過室內風洞試驗進行驗證；結合路基穩定性分析、路基高度的經濟性分析，考慮不同等級公路的使用要求，最終提出不同地區不同等級沙漠公路路基填土高度的合理高度建議值。
  2. Based on an analysis of the major factors affecting the quality of data obtained in aeroelectromagnetic survey, this paper has put forward zero horizontal drift correction methods such as field value standardization and phase check and correction, studied and developed a suite of techniques suited to data - processing and graphical representation for aeroelectromagnetic method

    摘要在分析探討影響航空電磁測量數據質理主要因素的基礎上，提出了場值標定，相位校驗改正等零水平漂移改正方法，研究開發了一套適合航空電磁法數據處理與圖示的方法技術。
  3. A slot was cut in the back plate of the double - foil shield to improve the flow field with air diversion method. the flow field and droplets trajectory near the shield are simulated in wind tunnel by fluent software to analyze the wake flow affecting the spray drift. from simulation, the improved shield spray in reducing drift is better than double - foil shield spray and conventional spray in six types of wind velocity

    本文採用導流法在雙圓弧罩蓋上開口，利用fluent模擬分析和比較罩蓋噴霧流場，並模擬該流場下的霧滴運動軌跡來分析霧滴的飄失性，模擬結果表明：結構改進后的罩蓋噴霧流場得到改善，其減少霧滴飄失的效果好於原罩蓋，更優于常規無罩蓋噴霧。
  4. During the high - voltage device design, the thick epitaxial layer ldmos which is compatible with current technology was researched. this device used piecewise vld and multiple region structure f reduce field layer. the using of the f reduce field layer effectively reduce the surface electric field of the device, shorten the length of its drift region, enlarge the choice of range of the ion implant dose of the p layer, and effectively restrain the disadvantageously affection on the breakdown voltage of the interface charge qss

    在高壓器件研究中對與現有工藝相兼容厚外延ldmos進行研究，該結構採用分段變摻雜多區p ~ -降場層，有效降低器件的表面電場，縮短器件的漂移區長度，增大p ~ -降場層注入劑量的選擇范圍，並有效地抑制界面電荷qss對器件耐壓的不利影響。
  5. In theoretical analysis, the motion of radially - emitted electron beam in diode region and drift region has been analyzed, and the relation between radial momentum or current of electron beam and the guiding magnetic field has also been studied, then the possibility to optimize the guiding magnetic field has been derived. the motion of radially - emitted beam electrons in smooth bore magnetron and smooth bore milo has also been studied theoretically. at last, the motion of radially - emitted beam electrons in compound axial and azimuthal magnetic field has been studied

    在理論分析中，初步分析了軸向發射條件下電子在二極體區域和漂移區的運動規律，電子徑向動量隨著外加磁場變化的規律，以及電子束電流隨著外加磁場的變化規律，還有二極體區域磁場優化的可能性;分別研究了有軸向磁場時以及有角向磁場時徑向發射的電子在光滑陽極結構中的運動規律，最後分析了在軸向和角向復合磁場中電子的運動規律。
  6. The questions the researcher concerned are which system will be chosen and how to obtain the good lithium ionic conductor materials, which is the basic departure of the paper. the addition of second phase in composite can change the interface structure and the conduction mechanism, improve the matrix conductivity and other function such as the sintering, crisping and so on, so the research of composites are an interesting field of the ionic conductors. the synthesis of lithium ionic conductor is often by solid state reaction, but this method needs high temperature and leads to the volatility of lithium which not only causes the drift of the compounds but gets the no well - distributed materials

    研究者所關注的問題是選擇新的體系進行研究，以期得到性能更好的鋰離子導體材料，這也正是本論文的基本出發點；復合離子導體中第二相的加入改善了基質的界面結構和導電機制，不僅可以提高基質材料的電導率，還可以在一定程度上改善材料的其它性能，如燒結性能、脆性和機械強度等。因此復合材料的研究是離子導體一個有廣闊前景的發展方向；合成鋰離子導體，特別是成分復雜的體系以傳統的固相合成法為主，但這種方法需要較高的溫度，容易引起鋰的揮發，從而造成產物組成的偏移，而且不易得到顯微結構均勻的材料。
  7. In addition to pic method, the numerical computation method is used as a compensation for the study of the characteristics of electron beam. the two methods are used separately to attain the trajectory of axially - emitted electron beam in diode region and drift region, and the trajectory of radially - emitted electron beam with axial, azimuthal, as well as compounded axial and azimuthal magnetic field. three two - dimensional codes and two three - dimensional codes have been made out to compute the trajectories

    本文特點之一就是採用粒子模擬和數值計算相結合的方法進行模擬計算，分別得到了軸向發射條件下電子在二極體區域和漂移區的軌跡，徑向發射條件下電子在角向磁場、軸向磁場、角向和軸向復合磁場中電子的運動軌跡，分別編制了三個二維電子軌跡計算程序和兩個三維電子軌跡計算程序，最後將粒子模擬和數值計算得到的結果進行了對比，得到了較為滿意的結果。
  8. So the drift error of gyro is always the main source of error in the control and navigation system, the study of technology of measurement and compensation plays more and more important part in this field

    由於陀螺的漂移誤差是整個控制和導航系統的重要誤差源，所以，對陀螺儀漂移的測試及補償技術的研究具有越來越重要的意義。
  9. Algan / gan hemt has high breakdown electric field, fast electron drift velocity and large electron concentration, so it has been used more and more in high frequency and large power fields

    Algan / ganhemt由於具有擊穿電壓高、電子漂移速度快和電子濃度大等特點，已被越來越多地應用於高頻及大功率領域。
  10. Silicon carbide is becoming the most promising semiconductor material for high temperature, high frequency and high power devices because of its superior properties such as wide band gap, high breakdown field, high electronics saturation drift velocity, and high thermal conductivity

    Sic材料由於具有寬禁帶、高臨界擊穿電場、高飽和電子漂移速度、較大的熱導率等優良特性，因此成為製作高溫、高頻、大功率器件的理想半導體材料。
  11. So the shield structure was improved to change the flow field, and experiments will be conducted to validate the effect in reducing spray drift

    因此，作者提出雙圓弧罩蓋結構的改進方法，並進行減少霧滴飄失的對比試驗研究。
  12. They drove through a muddy village, by threshing floors, and patches of green corn ; down hill by a drift of snow still lying near the bridge, up hill along a clay road hollowed out by the rain, by strips of stubble - field, with copse turning green here and there ; and drove at last into a birch forest that lay on both sides of the road

    他們駛過了渡口，即是他和皮埃爾一年前在那裡談話的渡口。他們駛過了骯臟的村莊打穀場綠蔭下坡路橋邊的積雪一層粘土已被沖洗的上坡路一段段茬地有的地方已經發綠的灌木林，駛進了沿著道路兩旁蔓生的白樺樹林。
  13. Since drift - dorminated solar cells are less affected by the radiation, the main work is focused on this design. mbe technology is adoped to realize the drift field

    由於漂移機制受輻射損傷影響較小，因而在本研究中實際的工作即是圍繞該機制展開。
  14. Graded doping is adopted in both sides of the junction ( double graded doping ). this results in a strong ( drift ) electric field throughout the whole active layer. this field will accumulate minority carriers effectively and the whole internal quantum efficiency is increased

    漂移場的形成是通過mbe技術，在結的兩側都採用梯度摻雜（即雙梯度摻雜） ，從而在整個有源層都建立起一個強的（漂移）電場，有效地利用載流子在電場作用下的漂移作用收集少數載流子，使得總內量子效率得以提高。
  15. In this design, the double graded doping solar cell accumulates the minority carriers with the drift field, which is located at the whole graded space. this means that the accumulation of minority carriers doesn ’ t depend on the above conditions

    採用與眾不同的通過在p區和n區都採用梯度摻雜這樣一個所謂雙梯度摻雜，在整個有源層獲得高達104v / cm的漂移電場。
  16. Equipment for crop protection - methods for field measurement of spray drift

    農作物保護設備.噴霧漂移的現場測量方法
  17. By analyzing the relevant theories and carrying out field survey, this paper thoroughly explores the development history and status of the higher education of uk, and ponders deeply over the problems that the higher education of uk faces, such as industrialization, academic drift, etc, in hopes of giving some directions for further development of chinese higher education

    在對英國高等教育理論文獻進行梳理和實際考察基礎上，通過對英國高等教育發展歷史沿革的回顧和現狀的分析，對其發展過程中所面臨的問題，如「市場化」 、 「學術上漂」等問題及其產生的原因，進行了較為深入的研究，對中國高等教育的進一步發展具有積極的指導意義。
  18. Especially, the ionospheric electric field in hainan was studied according to the ionospheric plasma drift velocity by removing the neutral wind effect

    特別是採用扣除中性風的方法，研究了海南地區電場的變化特性，並對海南地區的漂移變化因素進行了分析。
  19. These make west - pacific subtropical height strengthen and extend westward and blocking form and develop in mid - high latitude, while its above west wind drift zone decreases. and around 1976, 500hpa anomaly field of winter and summer also changes

    其中變化比較顯著的是貝加爾湖附近和副高，都是76年後增強，這有利於低緯副高的加強西伸和中高緯阻塞的形成和發展；並且在76年前後，厄爾尼諾和拉尼娜年冬、夏季500hpa距平場也有一定的差異。
  20. It has been found that porous silicon particles drift inversely in the external electric field and adhere to the surface of positive electrodes, such as pt, p + - si, indium - tin oxide ( ito ) coated glass etc. there is a linear relationship between the photoluminescence ( pl ) intensity and the ps concentration of the suspension

    將ps懸浮於乙醇中配製成懸浮體系，用己附著的鋅片作正極，鋅片作負極，在電場強度為300v cm時電泳15min ；多孔硅被電泳到zno表面構成zn zno個s電極。
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