時近正效應 的英文怎麼說

中文拼音 [shíjìnzhēngxiàoyīng]
時近正效應 英文
positive regency
  • : shí]Ⅰ名1 (比較長的一段時間)time; times; days:當時at that time; in those days; 古時 ancient tim...
  • : Ⅰ形容詞1 (空間或時間距離短) near; close 2 (接近) approaching; approximately; close to 3 (親...
  • : 正名詞(正月) the first month of the lunar year; the first moon
  • : Ⅰ名詞(效果; 功用) effect; efficiency; result Ⅱ動詞1 (仿效) imitate; follow the example of 2 ...
  • : 應動詞1 (回答) answer; respond to; echo 2 (滿足要求) comply with; grant 3 (順應; 適應) suit...
  • 效應 : [物理學] effect; action; influence
  1. A review of the development of organic semiconductor composite photo - conductive materials and devices was followed by a proposal of the researching theme in this thesis. the effects of fabrication arts such as solvents, gradient, interfacial layer and configurations on the photoconductive properties of the single - layer chlorodiane blue azo / tiopc composite photoreceptors were systematically studied in chapter ii. the results showed that the solvent played a decisive role in the multiphase and multicomponent system composed of two photogeneration species ( chlorodiane blue azo and tiopc ), a transporting material ( hydrozone ) and polymer binder ; 1, 4 - dioxane, as an amphiphilic solvent can effectively disperse and stabilize such multiphase and multicomponent systems, the derived photoreceptors presented improved photoconductive properties superior to those of dual - layer counterparts and demonstrated the evident synergetic enhancement and complementary effects ( eg

    結果表明:在由兩種光生材料氯丹藍偶氮和酞菁氧鈦、傳輸材料萘苯腙以及聚合物介質組成的多相多組分復合體系中,分散溶劑是至關重要的因素,二氧六環作為典型的雙親性溶劑,有地分散和穩定了該多相多組分復合體系,得到的復合單層光導體的光敏性在整體上優于雙層光導體,復合材料在可見光和紅外光區分別表現出的偶氮和酞菁氧鈦的光敏性(如azo / tiopc = 8 / 2 , cgm / ctm / pc = 1 / 120 / 120,具有明顯的互補;在紅外光區明顯高於酞菁氧鈦與偶氮光敏性的線性加和,表現出協同增強
  2. Collisonal quantum interference ( cqi ) was observed in the intramolecular rotational energy transfer in the experiment of the static cell, and the integral interference angles were measured. to observe more precise information, the experiment in the molecular beam should be taken, from which the differential interference angle can be obtained precisely. in this paper, the theoretical model of cqi is described in an atom - diatom system in the condition of the molecular beam, based on the first - born approximation of time dependent perturbation theory, taking into accounts the anisotropic lennard - jones interaction potentials. the method of observing and measuring correctly the differential interference angle is presented. the changing tendencies of the differential interference angle with the impact parameter, velocity, and et al. are discussed

    分子內部轉動傳能的靜態池實驗觀察到了碰撞量子干涉( cqi ) ,並且測得積分干涉角,為了獲得更加精確的分子內部轉動傳能的碰撞量子干涉信息,實驗就必須要採用分子束實驗進行.本文理論上採用各項異性相互作用勢,用含微擾理論的一級波恩似,假想在分子束實驗的條件下,建立在原子-雙原子分子體系中碰撞量子干涉的理論模型.理論上推導出微分干涉角具體表達式,通過計算定性地討論了微分干涉角隨著碰撞參數、速率等的變化趨勢,同初步探討了實驗的確觀測途徑,得出了採用分子束進行實驗觀測的實驗方法,為進一步進行分子束實驗提供了理論基礎,對實驗的進行起到了一定的借鑒作用
  3. The welding technology of francis turbine runners is optimized from the view of subsection welding and local heating by numerical simulation. the result shows that welding residual tensile stress appears in the weld and its area nearby, and peak stress appears in the dangerous area of blades after practising quondam welding technology ; welding residual tensile peak stress in the dangerous area of blades can be decreased by welding both ends earlier and then welding middle section later during subsection welding, and decreasing effect on welding residual stress of the subsection welding is related to the weld length of blade outlets and welding direction of each subsection ; decreasing effect on residual stress of the local heating is direct proportional to heating time, heating temperature, heating area, and inversely proportional to cooling area, and welding residual tensile peak stress in the dangerous area is decreasing trend earlier, and then increasing trend later with heated location increased

    本文利用數值模擬手段對轉輪的焊接工藝從分段焊和局部加熱兩個方面進行了優化,結果表明:採用普通工藝焊接,葉片焊后殘余拉力出現在焊縫及其附區域,並且在葉片出水邊的熔合線附(危險區域)出現了峰值;在採用優化的分段焊,先焊兩端后焊中間的方法可以降低葉片危險區域的焊接殘余拉力峰值,降低果與葉片出水邊焊段長度、焊縫各段的焊接方向有關;局部加熱法降低轉輪危險區域殘余力的果主要與加熱間、加熱溫度以及加熱面積成比,與冷卻面積成反比,並且危險區域的殘余力隨加熱區域的增大呈先降低后升高的趨勢。
  4. The notable torsion effects of the surface ground motion above the alluvial valley are illustrated and the torsion effects become stronger as the frequency of the incidence is higher. ( 4 ) antiplane surface motion of the underground circular soft inclusion and the underground homogeneous soft interlayer is investigated in this paper. the results indicate : surface displacement amplitudes just above the soft inclusion of small depth - to - width ratio is amplified and soft interlayer of small depth - to - thickness ratio is amplified to a certain degree, and moreover, the latter is lower limit of the former

    結果表明:垂直入射,小深寬比軟夾塞上方地表位移幅值有較大的放大,小深厚比軟夾層的地表位移幅值也有一定的放大,且後者為前者的下限;波接掠入射,軟夾塞上方地表點和軟夾層的中國地震局工程力學研究所碩士學位論文一地表位移幅值都沒有放大,而軟夾塞迎波面一側地表點的位移幅值會有一定的放大;軟夾塞上方的地表位移運動有較強烈的扭轉,且此扭轉隨入射波頻率的增高而增強。
  5. The optical - limit glauber theory has been of great success in describing the stable nucleus scattering at high energies. as it is extended to the nucleus scattering at low and intermediate energies, the modification of the coulomb field to the effective impact parameter and the diffuseness of the nucleon - nucleon ( n - n ) scattering in the forward direction has to be taken into account

    其中光學極限似的glauber模型能很好地描述高能小角度的穩定核散射,進一步推廣用於研究中低能穩定核散射,需要考慮庫侖相互作用對有碰撞參數的修和核子?核子兩體散射在朝前方向的彌散。
  6. Studied the liquid - phase synthesis of butyl acetate from n - butyl alcohol and acetic acid using the supported heteropoly blue as catalyst. examed several factors imposing on esterification. the results revealed : using this catalyst, the reactions conversion percentage reaches nearly 100 %, product yield is 98. 9 %, selectivity is 98. 9 %. reusing it 10 times, the efficiency is still well. in addition, using this catalyst, the reactions temperature is mild, the reaction time is short and the equipment hasnt any erosion. furthermore, there is no “ threewastesdischarge

    對以負載型雜多藍為催化劑的乙酸與丁醇的液相酯化反進行了研究.考察了影響酯化反的因素.結果表明:以負載型雜多藍為催化劑,酯化反轉化率接100 % ,收率可達98 . 9 % ,選擇性為98 . 9 % ,重復使用10次催化果仍好.該催化劑還有反條件溫和、反間短、對設備無腐蝕、無三廢排放等優點
  7. By successful solution of non - linear magnetic fields and revision of the program, we can reach following conclusions : in the computation of nonlinear magnetic fields, if iteration method is used, under - relaxation is necessary when amending the permeability distribution in soft magnetic materials ; and when < wp = 5 > calculating the equivalent current density in permanent magnets, under - relaxation is not a necessity ; when searching for permeability values by interpolation method on the demagnetization curve of soft magnetic materials, if a fixed saturation point is set, around this point an abrupt change of permeability values will be obtained ; this sudden change may cause a little problem in the smoothness of magnetic field distribution ; because the magnetic circuits of microwave tubes are too complicated, in the author ' s view, to describe the working state of a magnet system, the working points of magnets can not do it properly but average energy production of magnets will serve ; as to indicate the quality of a magnet system design for microwave tubes, the efficiency of magnetic energy utilization will be a very good criterion

    由此得出結論,在非線性磁場計算中:採用迭代法的情況下,在各迭代循環之間進行磁導率修,一個欠鬆弛迭代過程是必需的;對永磁體中的等電流修可以不作欠鬆弛迭代;在純鐵的磁化曲線上指定某一個固定的磁感強度為磁飽和值,會使得插值求出的磁導率在該磁飽和值附有一突變,這一突變對計算結果中磁場分佈變化的光滑性稍有影響。在微波管磁系統設計中,由於微波管磁路比較復雜,作者認為磁體的工作點並不能很好地反映磁體的工作狀態,而採用平均磁能積為衡量磁體工作狀態的標準更加符合微波管磁系統的實際情況;要表示磁系統設計好壞的程度,則用磁能利用的率為標準更好。
  8. It is important to asses the quality and degree in injury to the nerve for guiding the treatment during internal fixation of the fractures of humerus, the exclusion and protection of the radial nerve should be carefully done, when removig the fixation the radial nerve would be protected by first dissecting normal radial nerve in distal and proximal segments, then, exposing gradually adherent segment within the scar tissue

    結論本組橈神經損傷的恢復果滿意,有的患者在恢復過程中的電生理顯示與體征、癥狀不符;臨床工作中,能及確判斷神經損傷的性質和程度,對指導臨床治療極其重要;肱骨骨折內固定之際,必須仔細分離出橈神經並予以保護,其後整復骨折施行內固定;取出內固定物先從遠端解剖出常的橈神經,再逐漸暴露被瘢痕組織黏連的橈神經段,保護好橈神經,其後取出內固定物。
  9. Then, harmonic analysis is done with the newest baytap - g tidal data analyzing software developed by ishiguro and professor tamura, who are working in japan and the eterna34 tidal data analyzing software developed by wenzel, who had worked in german. as a result, the recently observed tidal gravity parameters of jiufeng station are obtained. finally, the ocean loading correction of the observing tidal gravimetric parameters, the temporal synthesized tide, correction of the station air pressure and the polar motion on the gravity residual, the analysis of the final residual, and so on, are investigated

    Vauterin研製的tsoft潮汐數據預處理軟體,實施了觀測數據的預處理,為超導重力儀觀測數據的國際資料交換和數據分析準備了修後數據;然後利用由日本ishiguro與tamura研製的最新的baytap - g和由德國的wenzel研製的eterna34潮汐分析軟體,對預處理后的重力潮汐觀測數據進行調和分析,獲得了九峰臺最的觀測重力潮汐參數;最後討論了觀測潮汐參數的海潮改、隨間變化的重力合成潮的構制、大氣、極移重力改以及最終重力殘差的分析。
  10. An algorithm for detecting moving ir point target in complex background is proposed, which is based on the reverse phase feature of neighborhood ( rpfn ) of target in difference between neighbor frame images that two positions of the target in the difference image are near and the gray values of them are close to in absolute value but with inverse sign. firstly, pairs of points with rpfn are detected in the difference image between neighbor frame images, with which a virtual vector graph is made, and then the moving point target can be detected by the vectors ' sequence cumulated in vector graphs. in addition, a theorem for the convergence of detection of target contrail by this algorithm is given and proved so as to afford a solid guarantee for practical applications of the algorithm proposed in this paper. finally, some simulation results with 1000 frames from 10 typical images in complex background show that moving point targets with snr not lower than 1. 5 can be detected effectively

    基於運動點目標在鄰幀差分圖像中所具有的鄰反相特徵,即運動點目標的兩個位置相鄰、灰度值一一負,提出一種在復雜背景下,基於紅外序列圖像的運動點目標檢測演算法.本演算法利用該特徵在鄰幀差分圖像中檢測反相點對,進而構造反相點對矢量圖,最後依據累積反相點對矢量圖中多矢量首位相接的連續性檢測出運動的點目標.文中給出並證明用本演算法能以概率1檢測到運動點目標的收斂性定理.對典型復雜背景下10幅1000幀圖像的模擬結果表明,當信噪比大於或等於1 . 5,可以有檢測出運動點目標
  11. Finally, the demonstration & analysis on the electronic and telecommunications equipment industry have been put up in the state - owned layer in this paper which is the first support industries for china. the sufficienty & essentiality have been demonstrated of that guideline of both economic benefit and science & technology act as input variables for measure. the material guideline system has been constructed to indicate the two order - parameters and self - organization synergetic macro effect of industrial organization s

    在論證了經濟益指標、科技評價指標作為測度輸入變量的充要性,構造了充分表徵專業化、信息化序參量和產業組織系統自組織協同宏觀果的具體指標體系基礎上,給出了產業組織系統有序度、協同度模型,並用此模型實證了該產業組織系統幾年協同演進狀況,計算結果與事實相符,為該產業的進一步協同發展提供了重要的戰略依據,同進一步證明了本文理論的確性與客觀性。
  12. The simulation results of this study imply that magnetic hysteresis of mr dampers can really influence the semi - active control whereas neural network prediction can successfully compensate for the response time of mr dampers

    研究表明,通過神經網路預測能有補償磁滯間,使控制果能接無磁滯的控制果。本文提出了考慮磁滯的修bingham模擬模型。
  13. As composite material are widely used in navigation and physical education equipments for high comparing intensity and module, even it has the approxi - mate zero expanding coefficient, as the same time, configuration of composite has been aroused attention by scientific researchers, the goal of them is to find an integrated structure with high efficiency and intelligent and many function all along. grid structure is the right structure with the high efficiency, the researchers overseas have been studying the structure for many years, which manifests it has many excellent nature ; existing research indicate it has higher stiffness and intensity. the form can be detected in health easily for its open shape

    復合材料具有高的比強度和比模量,同又具有於零的熱膨脹系數和良好的尺寸穩定性等優良性能,已經廣泛用於航天航空事業和體育器材生產工業,與此同,尋求一種高的、低成本的、並將智能化和功能化集於一體的結構形式,一直是航空航天追求的目標,具有點陣結構的復合材料格柵結構是這種高的結構形式,表現出多項優良性能;國外對其進行了大規模的理論分析和一些數值模擬研究,已有的研究表明該結構具有良好的可設計與自動化生產性能而無材料之間匹配問題,開放式的結構形式為結構的健康檢測提供了便利,具有廣闊的用前景。
  14. We derive an analytic expression of the group velocity dispersion ( gvd ) induced chirp and the self - phase modulation ( spm ) induced chirp in the normal dispersionregion of non - kerr - like optical fibers with saturable nonlinarity. the evolution of chirp is simulated by numerical methods. the studied results show that the more powerful saturable effects, the smaller is chirp and the gently is chirp. the net chirp is zero in the central region of the pulse

    從理論上推導出具有飽和非線性的非克爾光纖常色散區內,群速度色散導致的啁啾和自相位調制導致的啁啾解析表達式.利用數值解法模擬了非克爾光纖常色散區啁啾演變過程.研究結果表明:當非克爾光纖的飽和非線性增強,凈啁啾不斷減小,而且,越來越平緩,脈沖中心附區域凈啁啾接
  15. Abstract : wind tunnel experiments were carried out to investigate the influence of wind direction on the wind pressure of proximite buildings. mean and fluctuating pressure coefficients on a high building, at sixteen different wind incidences and with one and two interfering buildings, were measured in the tests. this paper presents the characteristics of wind pressure on the building, which varies with the incident wind angle and with the numbers of adjacent buildins. due to the variation of wind angle and the interference effects, the complex feature of pressure distributions can be found on the downstream building surfaces for building group arrangement at certain angle of wind attack. some area of the interfered building for such configuration, in comparison with one single building ' s, may undergo very strong positive or negative pressures

    文摘:通過風洞實驗研究了風向對兩個和三個鄰建築風壓分佈的影響特性.實驗結果給出了在不同風向角下,作用於受擾建築上的平均和脈動風壓系數.當受擾建築處于下游位置,建築之間的干擾主要表現為遮擋影響,建築物上的總體風壓系數不是很大,但在建築物表面上有會產生局部較大的負壓系數.另外,在某些風向角下由於受到上游分離氣流的影響,在下游建築的局部表面又會出現較大壓.這些結果可供建築布置和結構設計參考
  16. Immunobiologic activity evaluation of gpif : both e rosettes experiment and lymphocyte proliferation assasy showed that immunobiologic activity of gpif steadily exited dose - effect relations, namely, the low concentration ( 0. 125mg / ml ) activity was lowwer, with the concentration increasing, immunobiologic activity of gpif gradually increased, when it was at the 0. 5mg / ml, immunobiologic activity of gpif reached summit

    表現為低濃度( 0 . 125mg / m1 )免疫生物活性較低,隨著gpif濃度升高而活性逐漸增強,到0 . smg / m1濃度附免疫生物活性達到最高,之後逐漸減弱。 gpif免疫生物活性劑量曲線呈態分佈。
  17. In recent years, the screw pump gets more and more extensive application with its unique performance in the oil field, in order to improve the output of crude oil, we should select pump of big displacement or increase the rotational speed, but this will make the ground system vibrate seriously, causing the system to be unable to work normally or some spare parts lose efficiency too early

    年來,在油田現場螺桿泵以其獨特的性能得到越來越廣泛的用,為了提高原油產量,當選用大排量螺桿泵或增加螺桿泵的轉速,地面驅動系統將產生強烈的振動,導致系統無法常工作或系統內的某些零部件過早失
  18. At the same time, the possibility of using nonlinear optics in widening the detecting wave band of hartmann - shack wavefront sensor is exploringly discussed. adaptive optics guarantees the beam quality of laser projecting system. beam cleanup, atmospheric turbulence compensation and correction of any disturbance and fabrication error in the light way are required to promise a near diffraction beam, but normal adaptive optics system can only correction one of them

    自適光學進行光束大氣傳輸波前畸變校,要求系統必須能進行光束凈化和校大氣湍流造成的波前畸變,並且能夠同地克服發射系統製造誤差、重力變形以及光路內部氣體擾動的影響,得到接衍射極限的輸出激光光束。
  19. However, to the essential of communication technology, those techniques are all change in transmission medium or channel. recently, because of the development of dsp, ifft / fft, 46 / 128 / 256qam using in high - speed modem, and gradual introduction of new coding technique, soft decision technique, channel self - adapting, guard interval, ofdm ( orthogonal frequency division multiplexing ) arouse more and more attention. as a technology of high - speed transmission, ofdm can resist isi effectively

    年來,隨著dsp晶元技術的發展,傅立葉變換反變換、高速modem採用的64 128 256qam技術、柵格編碼技術、軟判決技術、通道自適技術、插入保護段、減少均衡計算量等成熟技術的逐步引入,交頻分復用ofdm ( orthogonalfrequencydivisionmultiplexing )作為一種可以有對抗信號波形間干擾的高速傳輸技術,引起了廣泛關注。
  20. When faults happen to the actuator but not complete failure, the adaptive neural network could automatically change the weight of the neural network and regulate the control rules on line to accustom to the fault - mode system and make it have the similar performance like the normal system

    當系統執行器出現故障但還沒有完全失,自適模糊神經網路控制器可以在線自動修網路權值,調整控制規則,適故障模式下的系統,使系統具有和的性能。
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