逆平行的 的英文怎麼說
中文拼音 [nìpínghángde]
逆平行的
英文
antiparallel-
With a given collimator the integrated reflections in the parallel and antiparallel positions will be equal.
對於一個給定的準直器,在平行和逆平行位置時積分反射是一樣的。Combining with practice of china ' s uranium ore heap leac hi ng, this paper proposes main ways and suitable technologies in the fields of emp hasizing feasib ility research, adop - ting strengthened technologies, improving equipment le vel, op timizing control technological factors and developing application range and so o n, which include adopting acid - curring and ferric sulphate - tric kle leaching process, bacteria heap leaching, countercurrent heap leaching, sele cting advanced material of heap bottom, developing large mechanized heap constru ction equipments and methods, popularizing drip i rrigation distributing solution, optimizing heap leaching process parameters, as we ll as developing recovery equipments suited to heap leaching, etc, in order to i n crease leaching rate, reduce heap leaching period and achieve more economic bene fits
結合我國鈾礦堆浸實際,在重視堆浸可行性研究、採用強化堆浸技術、改進堆浸裝備水平、嚴格工藝條件及拓寬堆浸的應用范圍等方面提出一些有效途徑及適用技術,包括採用拌酸熟化-高鐵淋濾浸出、細菌堆浸、制粒堆浸、逆流堆浸,選用優質底墊層材料,研製大型機械化築堆方法和設備,推廣滴灌式布液,優化堆浸工藝參數,以及開發堆浸相配套的回收設備等,以提高浸出率、縮短堆浸周期,獲得更大的經濟效益。This paper has studied the development of setting & model of the overthrust, which is distributed over the plane & section, and its belting character in the northern margin region of chaidamu basin, and described the character of the main overthrust sheet belt and lower strain area in great details. moreover, it has pointed out a best target for oil / gas exploration on the imbricate fan belt and hidden overthrust forward belt through surveying the developing evolution model and its formation mechanism of the overthrust in the field and structure inversion indoor 6figs., 8refs
研究了柴北緣地區逆沖推覆構造的發育背景、發育模式,平面、剖面展布特徵及其分帶性,並對主幹逆沖斷裂帶及其間的推覆體帶、逆沖席帶和低應變區的特徵進行了詳細描述,同時通過野外觀察和室內構造反演來研究推覆構造的發展演變模式及其形成機理,指出其逆沖疊瓦扇帶和隱伏逆沖前緣帶是最有利的油氣勘探目標.圖6 ,參8Mdr1 express product p - glycoprotein was detected by immunocytochemical method and flowcytometry. the cytotoxicity and multidrug resistance reversion effect of tea polyphenol was examined by mtt assay in mcf - 7 and mcf - 7 adr carcinoma cell lines, and compared with pgp inhibitor quinidine. the pgp expression of mcf - 7 adr was strongly positive, the positive rate was 15 % ; the pgp expression of mcf - 7 was negative, the positive rate was 1. 8 %. ic50 of tea polyphenol to mcf - 7 and mcf - 7 adr is 115. 2g ml and 207. 6g ml respectively. ic50 of quinidine to mcf - 7 and mcf - 7 adr is 129. 8mol l 42. 1g ml and 94. 1mol l 30. 5g ml respectively. tea polyphenol and quinidine changed little toxicity of adriamycin to mcf - 7, but tea polyphenol and quinidine improved the sensitivity of mcf - 7adr to adriamycin significantly. immunocytochemistry and flow cytometry can detect p - glycoprotein expression level qualitatively and quantitatively. tea polyphenol is not only an anti - tumor agent, but also a multidrug resistant modulator similar as quinidine. tea polyphenol is advantageous for its little toxicity in tumor treatment
用免疫組化法和流式細胞儀對腫瘤細胞系mcf - 7和mcf - 7 adr的p -糖蛋白表達水平進行定性定量研究。用噻唑藍比色法mtt研究茶多酚的細胞毒性及其對耐藥性的逆轉作用,並與pgp抑制劑奎尼定進行了比較。免疫組化法檢測p -糖蛋白表達水平, mcf - 7 adr呈強陽性,而mcf - 7呈陰性流式細胞儀定量檢測結果mcf - 7 adr細胞系細胞陽性率為15 % , mcf - 7細胞系細胞陽性率為1 . 8 % 。As a result, the weizhou - shigouyi detachment structure is bounded on the east and west by faults and occurs as a synclinorium comprising exotic sheeted rocks with simple deformation
它在地震剖面上表現為:滑脫面以上的多層平行反射、不出現逆沖推覆前緣帶復雜變形造成的雜亂反射;平面上形成與周鄰明顯的構造不協調性。We sixth, namely last the responsibility, is responsible for the shareholder, the company certainly must make a profit the growth, must breed the reserve fund, must conduct the research, the development has the risk spirit the plan, pays the wrong price, must prepare in advance for the adverse circumstance, pays the suitable tax money, purchases the new machine, the building new workshop, promotes the new product development new sale plan, we must test the new conception, we after this all responsibilities, the shareholder should obtain the fair return rate, we were determined under the mercy god assistance, we biggest strength completes these duties
我們的第六個即最後一個責任,是對股東負責,公司一定要獲利成長必須孳生準備金必須進行研究,開發有冒險精神的方案,支付錯的代價,必須為逆境預作準備,支付適當的稅款,購買新機器,建築新廠房,推出新產品開發新的銷售計劃,我們必須實驗新的構想,我們盡到這一切責任后,股東應該得到公平的報酬率,我們決心在慈悲的上帝協助下,盡我們最大的力量完成這些義務。A general stack equation of mobile robot based on analyzing the motion of planar motion object and the mathematical models of four different kinds of common wheels is developed, accordingly, the mobility of mobile robot is addressed and the forward and inverse solutions to speed for specific configuration driven by differential speed are derived. utilizing the muir and newman convention, the description of the posture transformation matrices between different coordinate frames and the solution for the speed of point located on these frames are introduced. according to posture estimation, a more accurate method, dead reckoning algorithm, is developed for a specified configuration characterized by differential speed motorization, and simulations of this algorithm and other traditional methods are carried out using matlab while traversing a circular path
本文對兩輪差速驅動移動機器人的運動學及其本體緩沖設計進行了探討,在對平面運動物體運動分析的基礎上結合四種常用車輪的數學模型,推導出了一個通用的移動機器人堆積方程,在此基礎上分析了移動機器人的移動能力、並針對兩輪差速構型推導了速度正解與逆解;使用muir和newman的運動學建模方法,推導了移動機器人上點及連桿坐標系位姿、速度變換關系矩陣及求解方法;在移動機器人位姿識別方法中結合差速驅動構型對航位推演算法進行了分析:推導了一種理論精度較高的航位推算演算法,並使用matlab對其與傳統的推算演算法在跟蹤圓弧軌跡情況下進行了模擬;最後針對本文所研究的機器人給出了一種比較系統、可靠的緩沖結構設計思路,較好地解決了移動機器人作業過程中外界因素及本身設計中引入的各種不確定誤差問題;本論文研究成果已在本實驗室所開發的樣機上得到實現,經過應用與考核證明其中的分析與設計是切實可行的。This maneuver must be done circling both clockwise and counterclockwise
分別以順時針及逆時針的方式執行水平圓。This maneuver must be done starting the nose - in circle both clockwise and counterclockwise
分別以順時針及逆時針的方向執行水平圓。With the helicopter inverted fly at least one ( 1 ) clockwise and one ( 1 ) counterclockwise circuit around your flying area
在飛行區域內,以順時針及逆時針的方向,至少各執行一圈倒飛水平圓。With the helicopter inverted fly backward for at least one ( 1 ) clockwise and one ( 1 ) counterclockwise circuits around your flying area
在飛行區域內,以順時針及逆時針的方向,至少各執行一圈後退水平圓。Appearance of marginal faces, parallel depositional center near the tan - lu fault zone, the obvious faulted down boundary in the eastern part and the overlapping boundary from east to west inside the basin indicated that the fault zone occurred as the eastern boundary of the basin in jurassic and acted as provenance of the basin in east due to strike - slip uplifting of the zhangbaling belt
這些逆沖推覆構造在靠近郯廬斷裂帶附近,具有顯著增多的特點;盆地內侏羅系地層在郯廬斷裂帶一側廣泛發育了邊緣相及與斷裂帶平行的沉積中心,沉積厚度東厚西薄,在盆地東部形成了明顯的斷陷邊界,向盆地內部北西方向則顯示了沉積超覆邊界的特徵。The asynchronous motor is widely used for its simple construction, ruggedness, high working reliability, relatively low cost, and high environmental adaptability. it is suit for the direction of high voltage, high speed and large capacity. vector control is its ideal speed modulation method. the harmonics of three - level inverter are less than the traditional two - level inverter ’ s, and it is convenient to realize high sinusoidal voltage output. the maximum voltage strength which each electric component bears is small, and it is easy for three - level inverter to realize large capacity. the research on the asynchronous motor vector control based on the three - level inverter is one novel work
異步電機結構簡單、堅固耐用、運行可靠、成本低、環境適應性強,容易向高壓高速和大容量方向發展,獲得了廣泛應用,矢量控制為其理想的調速方法;三電平逆變器輸出端諧波少,有利於實現輸出電壓的正弦化,且單個開關管承受的最大電壓小,適合向高壓大容量方向發展。對基於三電平逆變器的異步電機調速系統開展矢量控制研究,是一件有意義的工作。The twelve kinds of modes and equivalent circuits of this inverter with high frequency link within one high frequency switching period are carefully analyzed ; by using the state - space averaging approach, the inverter ’ s averaging model is presented, and the design criterion of key circuit parameters and the output characteristic curve are given ; the analyses of the system stabilization and the mathematic analyzes of the principle of high - frequency - link of this inverter have also be done. prototypes for 1kva 270v 10 % dc / 115v400hzac uni - polarity phase shifting controlled bi - directional voltage mode inverter with high frequency link is designed
以全橋橋式拓撲為例,論述了雙向電壓源型高頻環節逆變器單極性移相控制的原理、逆變器在一個高頻開關周期內的十二個工作模式及其等效電路;採用狀態空間平均法建立了逆變器平均模型,獲得了這類逆變器的關鍵電路參數的設計準則和外特性曲線;分析了系統穩定性,並對逆變器高頻環節原理進行了數學分析。Firstly, this paper introduces the asynchronous motor model, and compares it with the dc motor ’ s. then the paper studies the principle of vector control, and proposes an improved current model of rotor flux observer. this paper also studies the three - level inverter ’ s topology, working principle, the neutral - potential unbalance mechanism and its controlling strategy. the paper especially studies the svpwm in details. the interface between the vector control and the three - level inverter is studied in details, including the generation of reference voltage vector, its judging of the sector and triangular regions, and the working mechanism after it sent into three - level inverter. when synthesizing the reference voltage vector, select the vector which only includes p and o states as the starting vector, thus eliminate the vector shift problem when sector changes. this paper fully takes advantages of the powerful functions of matlab / simulink to set up the simulation model. this construction is very explicit. the simulation results verify the inverter voltage output is correct, the rotor flux is steady, the asynchronous motor ’ s dynamic and steady state performances and speed modulation are excellent
本文首先介紹了異步電機的數學模型,在此基礎上將異步電機的數學模型與直流電機的數學模型進行了比較;然後介紹了矢量控制的基本原理,採用了一種改進的轉子磁鏈電流型觀測模型;對三電平逆變器的電路拓撲、工作原理、中點電位不平衡的機理及控制方法進行了介紹,詳細分析了空間矢量脈寬調制策略。本文對異步電機的矢量控制與三電平逆變器之間的介面進行了詳細的研究,包括:參考電壓矢量的形成、所落扇區與具體小三角形區域的判斷、送入逆變器之後的工作機理。在參考電壓矢量的合成時,選擇只包含p 、 o狀態的空間電壓矢量作為起始矢量,解決了扇區切換時的矢量突變問題。This paper put forward the realization method of a kind of multi - function general use inverter system which added other functions based on the independent sine wave inverter, it not only can be used as independent inverter power supply but can be used as an in - support mode ups which realize synchronous with the phase of power grid voltage and realize to switch with power grid mutually, it also can realize three phase ac output by the combination of three synchronous inverters, experiment proved it in this way has a stronger ability of resisting three phase unbalance load
本文提出了一種基於獨立正弦波逆變器的功能之上復合其他功能而成的多功能通用逆變電源系統的實現方法,此系統不僅可以作為獨立逆變電源使用,還可以與電網電壓的相位同步,作為后備式正弦波ups使用,在逆變電源和電網的相互切換時能做到對負載無影響,同時還可以由三臺逆變器進行組合自同步實現三相對稱交流輸出,實驗證明這種方式具有較強的抗三相不平衡負載的能力。This paper contrasts performance of current controlled two - state modulation inverter with one based on voltage mean value and instantaneous value feedback by simulation
在此基礎上,對電流控制兩態調制逆變器和電壓平均值電壓瞬時值反饋的spwm逆變器的性能進行了模擬對比。In this paper, the principle and method that making use of complex programmable logic devices ( cpld ) to realize high accurate pwm controller are chiefly analyzed, and a new control method and amendatory strategy for the triple multi - level convector based on cpld is put forward. by carefully analyzing the triple multi - level power amplifier composed of four bridges converter bridge, the fact and idea that complex programmable logic devices ( cpld ) have high speed
本文詳細討論分析了用可編程邏輯器件cpld實現高精度pwm控制器的原理和方法,並且提出了一種基於cpld器件的三進制多電平逆變器的控制方法和改進策略,針對具有四級逆變橋結構的三進制多電平功率放大器進行了具體的分析和驗證,證實了可編程邏輯器件內部高速處理的性能和在電力電子技術控制中的應用優勢。In chapter two, the platform ' s positional solutions, including direct solution and reverse solution, and the working space are analyzed in detail, which give the theory foundation of the platform ' s control
第二章介紹了本測控系統的技術背景,重點介紹了平臺位姿正解和逆解以及平臺的工作空間,這是進行平臺控制的理論依據。5. direct lift control in tf the direct lift control method ( vertical translation mode ) is used in the terrain following flight control system. the dynamic inversion + pi and dynamic + fuzzy control methods are adopted and the simulation results are provided
應用直接力進行地形跟隨以afti f - 16戰機為模型應用先進的直接力方法,將垂直平移模態應用於地形跟隨,在設計中分別用動態逆+ pi的方法與動態逆+模糊的方法,並對這兩種方法進行了模擬。分享友人