近接效應 的英文怎麼說

中文拼音 [jìnjiēxiàoyīng]
近接效應 英文
proximity effcet
  • : Ⅰ形容詞1 (空間或時間距離短) near; close 2 (接近) approaching; approximately; close to 3 (親...
  • : Ⅰ動詞1 (靠近;接觸) come into contact with; come close to 2 (連接; 使連接) connect; join; put ...
  • : 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. We form a ly a line sample from spectra of 19 qsos in the literature. in this analysis, we demonstrate that a proximity effect is present in the data ; i. e., there exists a significant deficit of lines at zabs = zem, within 4h - 1 mpc of the qso emission redshift. and the deficit depends on the rest equivalent width of the lines, with weak lines showing a relatively weaker effect

    我們發現所選樣本中確實存在,特別在z _ ( abs ) z _ ( em )附距類星體4h ~ ( - 1 ) mpc范圍內, ly森林的線數相對演化規律估計得到的線數缺少很顯著,並且與譜線的靜止等值寬度有關,弱線的較弱。
  2. The influence of word frequency, accessibility and list composition on recency effects

    性和詞表序列成分對影響的實驗研究
  3. 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:垂直入射時,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;波掠入射時,軟夾塞正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。
  4. In daily life we don ' t notice weird time warps, because the effect becomes dramatic only when the motion occurs at close to the speed of light

    但在日常生活中,我們不會感受到這種奇異的時間扭曲,這是因為此只在運動光速時才顯著。
  5. A series of near roundness cds nanoparticles with a particle diameter of 3 ~ 6nm have been prepared by controlling the concentration and proportion of reactants and adopting sodium hexametaphosphate as stabilizing agent. the studies demonstrate that these particles present obvious quantum size effect and an appropriate excess of cd2 + ion and hexametaphosphoric acid group polysnion are helpful to the dispersion and flame capability ' s improvement of particles. another series of near roundness monodisperse au nanoparticles with a diameter of 12. 3nm was prepared via sodium citric acid deoxidizing auric chloride acid

    利用六偏磷酸鈉作為穩定劑,通過控制反物的濃度及比例,制備了粒徑為3 6nm 、呈似球形的cds納米顆粒,光譜測試結果表明,顆粒具有明顯的量子尺寸,適當過量的cd ~ ( 2 + )離子以及六偏磷酸根聚陰離子有助於顆粒的分散並提高其發光性能;採用檸檬酸鈉還原氯金酸,制備了球形、平均粒徑約為12 . 3nm的單分散體系au納米顆粒;採用wessling的前驅聚合物法獲得導電聚合物ppv前驅體。
  6. The equation including the nonlinear dispersion, i. e. the modified nonlinear schrodinger ( mnls ) equation, is a better model. in this thesis, we take mnls solitons as a model for femtosecond soltions. then based on the recently developed direct perturbation theory for perturbed mnls equation, we study the raman self - frequency shift of femtosecond solitons and its suppression by the means of frequency filters. for this purpose, first, we define the physical parameters of mnls solitons ; next, through the direct perturbation theory for perturbed mnls equation, under adiabatic approximation, we obtain the evolving parameters of mnls soliton on our questions and then choose the parameters of frequency filters based on it ; at last, we directly numerically simulated our questions by split - step fourier ( ssf ) method after improving the arithmetic of the differentiation of the nonlinear item for satisfying mnls equation

    本論文以mnls孤子作為光纖飛秒孤子的模型,通過新建立的mnls孤子直微擾理論,研究光纖中由拉曼引起的飛秒孤子在傳輸中的自頻移,以及通過頻率濾波對自頻移的抑制。為此,首先給出描述mnls孤子的各物理量,然後用mnls孤子直微擾理論,解析地得到這些問題絕熱似下的孤子參數演化,並由此選擇頻率濾波的參數,最後用分步傅里葉方法,在對非線性項微商的演算法做出了適合於mnls孤子的改善後,對拉曼及頻率濾波進行了直數值模擬,其中頻率濾波參數用微擾理論確定。
  7. Based on the epwp and wpwp in conjunction with abnormal north and west wind, a new possible iii mechanism is provided for the evolution of the 1997 / 1998 el nino. to be specific, the warm kelvin wave propagating to east excited by the abnormal west wind can suppress the cold upwelling flow in the eastern pacific, which, in turn, is favorable to the eastern pacific sst increase ; abnormal west wind can make the warm water of the wpwp east edge extend to east, which is conductive directly to eastern pacific sst increase ; the abnormal west wind propagating to east can make the sea surface warm water near two equatorial laterals converge to the equator by ekman drifting, which, in rum, strengthens the downwelling flow near the equator, leading to eastern pacific sst increase

    將東、西太平洋暖池及異常北風、西風一併結合起來考慮,提出1997 1998elnino事件發生、發展的一種新的可能機制:異常西風激發東傳的暖kelvin波對東太平洋的冷上翻流有抑制作用,從而有利於東太平洋海表溫度增加;異常西風驅動西太平洋暖池東端暖水向東伸展直有利於東太平洋海表溫度增加;東傳的異常西風可以通過埃克曼漂流將赤道兩側的海表暖水向赤道輻合從而加強了赤道附的下沉流,也有利於東太平洋赤道附海表溫度增加。
  8. Our treatment shows in the raman effect case, mnls solitons, the same as nls solitons, keeps its energy, initial center and initial phase unchanged. however, the raman effect, not the same as nls solitons. reduces its amplitude, widens its width and under the same conditions, the self - frequency shift of mnls soltions is closer to the result of numerical simulation. in the raman effect together with frequency filters case, mnls solitons, the same as nls solitons, keeps initial center and initial phase unchanged and bandwidth - limited frequency filters can make the mean frequency of mnls soltion stand a steady value at the red side of the initial mean frequency, i. e. suppress the self - frequency shift of mnls soltions. and that, the other physical parameters of mnls soltion last stand a steady value. however under the same conditions, the steady value of the mean frequency of mnls soltions is closer to the initial mean frequency and the result of numerical simulation

    有所不同的是, raman雖然不改變孤子能量,但會引起孤子峰值的下降和寬度變寬,且在同一條件下, mnls孤子微擾理論得到的自頻移比nls孤子微擾理論得到的更數值計算結果。有限帶寬的頻率濾波也不引起mnls孤子初始中心、初始位相的改變,選取適當的頻率濾波器參數值能使孤子的平均頻率穩定在初始平均頻率的紅側一穩定值,抑制了自頻移,而且孤子的各物理量最後都穩定在一穩定值,這些與nls孤子微擾理論都是類似的。有所不同的是,寬度為飛秒量級下, mnls孤子平均頻率的穩定值更初始平均頻率,更數值計算結果。
  9. ( 3 ) it is known that load effect is not consistent with the section resistance incommon section continuous composite beam. a kind of composite beam with itsrational section size is suggested, which is consist of the t shape concrete beam andsteel girder. this kind of composite beam not only has enough carrying capacity, almost has same positive and negative resistance moment, but can decrease theamount of the steel

    ( 3 )分析可知連續組合梁的跨中、支座截面處荷載作用及截面抗力規律不匹配,本文提出了採用t形混凝土梁和工字鋼代替一般的混凝土板和工字鋼的組合梁截面形式,並給出了截面尺寸比例,能使正負截面抵抗矩,符合組合梁受力特徵,減少了材料用量,滿足承載力和剛度等要求。
  10. The intake lag angle of the engine is optimized, and the dynamic effects of intake pipes and exhaust pipes to the improvement of motorcycle engine is applied to make the engine test performance curve approach the simulation curve

    本文介紹了從進氣晚關角及進排氣的動態幾方面著手,不斷改進發動機的配氣相位以及進排氣系統,使發動機的實際性能曲線逐步計算機模擬曲線。
  11. Power control and multiuser detection are two key technique to cope with the multiple access interference and near - far effect in cdma mobile cellular communication systems, power control is a resource allocation technique that balances the received powers of the users so that no one user creates excessive interference

    功率控制和多用戶檢測是cdma移動通信系統中克服遠、多址干擾的關鍵技術。功率控製作為一種可以平衡收功率,減小對其他用戶干擾的技術得到廣泛的用。
  12. Verdu derives the ideal of multi - user detection in 1986. the multiple access interference, he deemed it has available information in certainly structure. adopted by the mlsd in the theoretical, it has many good abilities, such as its capability close with the single user ' s, near - far resistance, raised the capacity of the system. thereby come to operate the mud ' s research

    1986年, verdu提出了多用戶檢測思想,認為多址干擾是具有一定結構的有信息,理論上證明了採用最大似然序列( mlsd )可以逼單用戶收性能,並有地克服了遠,大大提高了系統容量,從而開始了對多用戶檢測的研究。
  13. Direct sequence - code divition multiple access ( ds - cdma ) technology is achieved easily and used widely at present its receiver capability is confined by two factors, one of which is the multiple access interference ( mai ) which makes the capacity low, another of which is the near - far problem

    序列擴頻-碼分多址( ds - cdma )技術是最易實現、也是目前用最廣的一種方式,它的收性能受到兩個主要的限制:一個是多址干擾造成的性能下降;另一個則是遠問題。
  14. Compared with the existing techniques for enhancing heat transfer by adding millimeter and / or micrometer - sized particles in fluids, nanofluids appear to be ideally suited for practical application with incurring little or no penalty in pressure drop because the nanoparticles are so small that the nanofiuid behaves like a pure fluid

    在液體中添迦納米粒子,可以顯著增加液體的導熱系數,提高熱交換系統的傳熱性能,而且由於納米粒子的小尺寸,其行為於液體分子,不會象毫米或微米級粒子易產生磨損或堵塞等不良結果。
  15. Such conclusion is given : shorten the fresnel shu, shorten the obscuration ’ s area percent and shorten the equivalent diffraction distances will improve the optical quality. ( 4 ) the nonlinear paraxial equation is understood to analyze the n slabs ’ hot - image rule

    得出在高功率固體激光裝置中縮小散射點的菲涅耳數和散射面積比,控制散射點的等衍射距離,使散射點衍射距離為零,即像面的位置。
  16. Using the non - contact infrared ray temperature measurer and an index of temperature effect proposed by ourselves, the effects of artemisia ordosica and caragana intermedia on temperature at soil surface around individual plant are studied and compared with each other. comparison of temperature at soil surface showed that caragana intermedia has more obvious effect on soil surface temperature than that of artemisia ordosica

    以鄂爾多斯高原典型植物油蒿和檸條作為研究對象,採用先進的非觸紅外測溫法,並提出度量植株溫度的影響指數,對鄂爾多斯高原兩種典型植物植株附地表溫度進行了比較分析,結果表明,檸條對地表溫度的影響較油蒿明顯。
  17. Lewis relationship has been suggested to evaluate the surface mass transfer coefficient using the average surface convective transfer coefficient. in addition, a practical analytic technique for testing the surface mass transfer coefficient is proposed and the values of he surface mass transfer coefficient have been given for the particular desorption and absorption test and validated against lewis relationship results. indoor temperature and humidity evaluation equations of adobe buildings considering the moisture absorption and desorption by interior materials have been proposed based on the analysis of the indoor dynamic thermal and moisture process

    通過理論解析和實驗測試定量地研究了生土建築圍護結構表面吸放濕,首次提出了以空氣濕度( kg / kg )為驅動勢差的圍護結構表面吸放濕量計算公式,該公式較適用於工程計算,從而為使建築濕環境研究成果逐步用到建築工程實踐中奠定了理論基礎和提供了簡便演算法;通過對國內外關于表面質交換系數確定方法的研究成果的分析,提出用lewis關系計算生土建築圍護結構表面質交換系數;在實驗室環境下,對生土建築圍護結構表面質交換系數進行了測試方法研究,測試結果和利用lewis關系得到的數值較
  18. As protons or heavy nuclei, such as gold, are accelerated to nearly the speed of light, the quarks and gluons inside flatten into a pancakelike structure, a relativistic effect called lorentz contraction

    當質子或如金原子核般的重核被加速到光速時,內部的夸克和膠子會被擠壓成如銅鑼燒般的結構,這是一種稱為勞侖茲收縮的相對論
  19. When the frequency approaches zero, the factor approaches zero correspondingly ; 2 ) the amplitude of interaction factors changes with the incident angle of rayleigh waves and reaches maximum when is zero. moreover, with the increase of, the wave period shortens apparently ; ( 3 ) the amplitude of interaction factors decreases as the pile spacing increases and approaches to zero when the pile spacing is 15 ; 4 ) the amplitudes of interaction factors increase clearly with the increasing stiffness ratio of pile to soil ; 5 ) the lat eral seismic response of fixed - head pile groups is much smaller than that of free - head pile groups. moreover, the pile - group effects induced by rayleigh waves can be neglected ; 6 ) the lateral seismic response of piles at different location differs from each other

    得到了以下結論: 1 )樁的相互作用因子隨頻率呈周期性變化,在振動頻率比較低的情況下,樁的橫向相互作用因子也較低,當頻率趨於零時,相互作用因子也趨於零; 2 )樁的相互作用因子的幅值隨瑞利波入射角度的變化而變化,在= 0情況下幅值最大,且隨入射角度的增加,波動的周期明顯縮短; 3 )樁的相互作用因子的幅值隨著樁與樁間距的增加而減小,至s d = 15時,樁的相互作用因子基本趨於0 ; 4 )在頻率比較低時,相互作用因子幅值隨樁土相對剛度比的增加而顯著增加; 5 )樁頂固可以有地降低群樁的橫向地震響幅值,由瑞利波產生的群樁可以忽略不計; 6 )群樁中不同樁位的樁的橫向地震響是不同的,每根樁所在的樁位對其橫向地震響有很大的影響;刀樁數的增加並不能減小樁的橫向動力響
  20. The rapid advances of laser technology in the past few decades have made the production of extremely short laser pulses, containing only a few, even only one or nearly one, cycles of optical oscillations, which led to many new questions

    隨著激光技術的快速發展,實驗中已經可以得到光學振蕩周期的超短激光脈沖。此類脈沖的時間和空間部分在傳輸過程中會相互耦合、相互影響,從而帶來一系列的新的傳輸,成為當今激光領域的一個研究熱點。
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