緩變結 的英文怎麼說

中文拼音 [huǎnbiànjiē]
緩變結 英文
graded junction
  • 緩 : Ⅰ形容詞1 （遲; 慢） slow; unhurried 2 （緩和; 不緊張） not tense; relaxed Ⅱ動詞1 （延緩; 推遲） d...
  • 結 : 結動詞（長出果實或種子） bear （fruit）; form （seed）
  1. The hydrophilicity of the modified nano - tio2 film was also studied. the ruslt shows that the hydrophilic angle has a little increase, but its super hydrophilicity is not alterant, and also shows the hydrophilic angle increasing on open entironment is slowing

    結果表明，改性后催化劑的接觸角有所增加，但催化劑的超親水性沒有發生改變，同時催化劑經等離子體處理后在開放的環境中樣品的接觸角的變化緩慢一些。
  2. The study investigated aboveground growths of caragana korshinskii and artemisia ordosica planted in four modes, revealing that in different planting modes their densities, heights and canopy width and biomasses remained unchanged or tended to decrease slightly ; the young shoots of a. ordosica annually grew in a s - shaped cure and the young shoots of c. korshinskii grew fast in spring and grew slowly or cease to grow from july on ; the biomasses and leaf area indexes of c. korshinskii and a. ordosica annually varied in a double peak curve and there were 8 annual plants that invaded in the four planting modes and formed higher coverage ; the quadrat with only a. ordoska appeared to have obviously lower coverage and biomass that the other three quadrats

    摘要對騰格里沙漠東南緣2種人工植被檸條和油篙在4種配置方式下地上部分的生長動態進行了研究，結果表明：不同配置方式下它們的密度、高度、冠幅和生物量基本不變或略微呈下降趨勢；油篙新梢的年生長動態呈s型曲線，檸條新梢春季生長速度較快， 7月份以後生長速度緩慢或基本停止生長；檸條、油篙地上生物量和葉面積指數的年變化均表現為雙峰型， 4種配置方式下共有8種1年生植物人侵，並具有較高的植被蓋度；同其它3個樣地相比，純油篙樣地1年生植物的密度、蓋度和生物量明顯偏低。
  3. Because the phenotype of osdd2 mutant was segregated with the basta resistance, it suggested that the mutation was arose by disruption of the wrky gene

    根據已有的共分離數據和初步分析結果表明osdd2突變體的發育遲緩性狀是有外源基因插入引起。
  4. The article approximately has three parts : part one mostly analyses the result and influence of the " glorious revolution ". part two will discuss the formation of the cabinetwork usage through the argument of the cabinet organization foundation, the role change of the cabinet minister and the cabinet responsibility. part three mostly discusses the role and the function of the cabinet in the course of making the king a mere figurehead, relaxing the tense relationship between the king and the parliament and forming multi - powers situation

    全文大致分為三部分：第一部分主要分析「光榮革命」的結果及其影響；第二部分將從內閣組閣基礎、閣臣的角色變換及內閣責任制三個方面來探討內閣運行慣例的形成；第三部分主要分析內閣在虛化王權、緩和國王與議會之間的緊張關系和形成權力多元格局中所扮演的角色及發揮的重要作用。
  5. It is found that with fixed laser power and increasing exposal time, the increasing of the depth of exposal grows slower, the exponential increasement can be express by the equation :, the depth of exposal becomes satured with increasing exposal time ; with fixed exposal time and increasing laser power, the depth of exposal increases linearly and can be express by the equation : y = 40

    結果表明，當固定曝光功率，不斷增加曝光時間時，曝光深度的增加趨于緩慢，程指數曲線形式變化，可表示為，當曝光時間不斷增加時，曝光深度的增加趨近於飽和;當固定曝光時間，不斷增加曝光功率時，曝光深度程線性趨勢增加，可表示為y = 40 . 5x0 . 151y = 0
  6. Under the fractal application, the transitional state rendering method based on t - fbm constraint model is proposed. in this model, the transitional deformation energy is defined as the bi - association between the initial state and the transitional fractal detail, and the fbm constraint is realized by the threshold statistical estimation. furthermore, the regional buffering control and regional harmonic control can offer more abundant and flexible control ways for the rendering of fractal transitional state

    針對過渡狀態可視化的分形應用，提出了基於t一fbm約束的繪制方法，將過渡變形能作為與初始形狀和過渡分形細節之間的雙向關聯，以閉值估計一作為fbm約束因子的具體實現，以區域緩沖與區域調和作為不同約束下的控制手段，很好地在繪制結果中反映出分形性過渡特性的分佈情況。
  7. The product quality faces up to enormous domestic and international markets challenge and the peasants face up to the slow increasing of their incomes. the shortage of water resource is more serious for the planted system, climatic change and low utilization ratio. cultivated land resource is reducing rapidly for nature factors and urbanization process, etc. the analysis results indicate the resour ces utilization mode in the hhh plain is still high investment, high - energy consumption, and grievous pollution

    農產品生產在我國佔有絕對優勢，但其受結構調整的影響也發生了波動性變化，其產品質量面臨著國內外市場巨大的挑戰，農民收入也面臨著增長緩慢的挑戰；水資源受種植制度、氣候變化及利用率低等多種因素的脅迫作用，嚴重短缺；耕地資源近年來大量減少，受自然及城市化進程等因素的影響，稀缺程度加大。
  8. Then a vsc controller using on - off valve and two potentiometers are designed for cushioning control system. it can realize the balanced, no shock, no reversing cushioning. experiments under different air pressure, load mass are carried out, and the results prove that the vsc controller can be used in pneumatic cushioning

    第五章首先介紹了變結構控制的原理和應用發展情況，然後針對本實驗系統設計了一個使用開關閥和端位位移傳感器的變結構控制方案，實現緩沖過程的平穩無沖擊和無回彈要求，並在不同氣源壓力、不同負載質量下分析了控制性能的變化，實驗結果證明緩沖控制採用變結構控制是可行的，並具有很強的魯棒性。
  9. This takes a leap of faith, or at least suspended judgment

    這需要轉變信念，或者至少需要暫緩下結論。
  10. 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。
  11. At the initial stage of planar technique, b was employed as ideal diffusion impurity in base - region of npn si planar devices because of the match of its solid - solubility and diffusion coefficient in si with those of p in emission - region, and the good shield effect of sio2 film to b. but because of the relatively large solubility ( 5 1020 / cm3 at 1000 ) and the small diffusion coefficient, the linear slowly - changed distribution of acceptor b in pn junction can not be formed, which could not cater to the requirement of high - reversal - voltage devics. thereafter b - a1 paste - layer diffusion technology and close - tube ga - diffusion technology had been developed, while the former can lead to relatively large the base - region deviation and abruptly varied region in si, which caused severe decentralization of current amplification parameter, bad thermal stability and high tr ; the latter needed the relatively difficult pack technique, with poor repeatability, high rejection ratio, and poor diffusion quality and productio n efficiency

    在平面工藝初期，由於b在硅中的固溶度、擴散系數與n型發射區的磷相匹配， sio _ 2對其又有良好的掩蔽作用，早被選為npn硅平面器件的理想基區擴散源，但b在硅中的固溶度大（ 1000時達到5 10 ~ （ 20 ） ，擴散系數小， b在硅中的雜質分佈不易形成pn結中雜質的線性緩變分佈，導致器件不能滿足高反壓的要求，隨之又出現了硼鋁塗層擴散工藝和閉管擴鎵工藝，前者會引起較大的基區偏差，雜質在硅內存在突變區域，導致放大系數分散嚴重，下降時間t _ f值較高，熱穩定性差；後者需要難度較大的真空封管技術，工藝重復性差，報廢率高，在擴散質量、生產效率諸方面均不能令人滿意。
  12. When the isotropic waveguide is under the isotropic disturbances, the coupling term due to polarization, which is presented in the coupled - mode theory of the wei - ping huang, is n ' t included in this rigorous vectorial coupled - mode theory, exactly, the rigorous vectorial cmt does n ' t contain the coupling term due to polarization which is include in the scalar coupled - mode theory because this term is counteracted with the other coupling term neglected under weakly guiding approximation. as for anisotropic disturbances, we get the coupled - mode equations with arbitrary dielectric tensors. from them, we obtain the coupled - mode equations of the slowly varying term c ( z ) which is more simplicity

    當受到各向同性微擾時，我們發現嚴格的矢量理論所得到的耦合系數表達式中並不包括wei - pinghuang的理論中的偏振耦合項，更確切的說，偏振耦合項正好與因弱導近似而忽略的項相抵消，這就是標量理論所得到結果（有偏振耦合項）與矢量理論在標量近似下的結果（不含偏振耦合項）不一致的原因所在；當各向異性微擾時，我們得到了包含微擾介電張量各個分量的橫電磁場耦合波方程，討論了微擾介電張量各個分量對耦合的影響，而且從橫電磁場耦合波方程出發得到了形式更加簡單的只含有橫電場系數的緩變分量c _ （ z ）的耦合波方程和耦合系數表達式，並以弱導近似下的單模光纖兩正交偏振模耦合為例對耦合系數在不同條件下的取捨做了定性的分析。
  13. The epitaxial struture for ld is an ingaas / gaas / algaas ssqw grin sch structure and the width of the array bar ia 4mm. the low theshold current 2. 9a the output power 20w at 17. 5a have been achieved by sioi isolation, ohmic contact and facet coating processes. the central wavelength is 979nm. at the same time, model analyses on the structure of the ssqw ld and the fabrication processes have been made for further research

    激光器的生長結構採用ingaas / gaas / algaas分別限制應變單量阱線性緩變折射率波導結構，列陣條寬為4mm ，通過sio _ 2掩膜，歐姆接觸和腔面鍍膜等工藝，實現了閾值電流為2 . 9a ，驅動電流為17 . 5a時輸出功率為20w 。
  14. Also it is discussed how to improve loading performance and the actual results using invariance theory. by the feedforward signals of velocity and acceleration, it is expected to expend the bandwidth to 15hz or even higher and reduce the additional torque at 80 percent. in this thesis, i mainly explored the design theory of ehsls and made a lot of experiments on subsystems and the whole system

    本文的目的就是設計、調試帶有彈簧桿緩沖結構的單通道電液伺服加載臺，通過試驗比較、驗證不同控制演算法的工程實際效果；分析和研究應用結構不變性原理如何改善加載系統的動態性能，目的是通過引入速度和加速度的復合前饋信號將系統的動態頻帶提高到15hz左右，並且有效的抑制力加載系統固有的多餘力矩，抑制比要達到80以上。
  15. So emitters of high quality can be produced by modification to the cell dimension and the number of flow cells, which provides efficient method for designing parameterized structure of emitters

    通過修改流道單元尺寸和增減流道單元數可設計出多種流量隨壓力緩變的大流量優質滴頭，為實現滴頭參數化結構設計提供了依據。
  16. But the complex analytical signal ( cas ) theory can erase this spatial sigu - larity. in this section, gauss, hyperbolic and lorentz pulsed gaussian beam have been derived and compared svea and cas solution by numerical simulatio n. in section 3, by using fourier transform technique and applying the paraxial approximation in frequency domain, we derive an integral solution for the transverse and longitudinal components of the light field propagating in free space

    接著，考慮了幾種特殊的脈沖gauss光束（ pulsedgaussianbeam ） ，結果顯示，在此情況下緩變包絡近似（ slowly - varyingenvelopeapproximation ）理論已不再有效，其失效的原因是，該理論導致了脈沖光束解的空間奇異性，並使脈沖光束不再具有符合物理意義的光束行為，而通過復解析信號的分析方法可以消除這種空間奇異性。
  17. Based on plate loading test in - situ, the method of geddes " formula, finite element method and the relative theory of method of code, the paper makes a thorough study on the bearing capacity and settlement of vertically loading cast - in - situ piles with expanded branches and plates, and the major results are as follows : ( 1 ) based on the results of plate loading test in - situ, the single pile settlement behavior is analyzed. it is pointed out that its load - settlement ( q - s ) curve as tardy deformation

    本文結合現場靜載荷試驗、 geddes公式法、有限元法和《規范》法中的有關理論，對擠擴支盤樁在豎向荷載作用下的承載力及沉降進行了研究，主要表現在以下幾方面： （ 1 ）在現場靜載荷試驗結果的基礎上，分析了擠擴支盤樁單樁沉降特徵，指出其荷載沉降（ q s ）曲線為緩變形。
  18. The results indicate that the load transfer law of squeezed branch pile is similar to that in the ordinary soil, the velocity of load - settlement curve changes slowly and the pile has high load bearing capacity, the principle of load transfer has apparently sequence

    結果表明，支盤樁荷載沉降曲線為緩變型，具有較好的承載性能，荷載傳遞規律與在非濕陷性黃土地基中具有相似的性質，樁身各段承載力的發揮具有明顯的順序性。
  19. The simulation model built can chose different traffic sources and change the switch structure easily. there are different assemble algorithms used in the obs edge node such as fap, fbl, mbmap and aap. the influence of obs simulation system to traffic flow is figured out

    在搭建了能夠靈活的採用各種業務模型和改變自身結構的模擬平臺后，研究了不同的匯聚演算法、緩存結構和obs交換結構下的obs交換系統對通過的業務流特性的影響。
  20. Porras and fu et al proposed that slowly varying envelope approximation and the complex amplitude envelope do n ' t fit anymore for the ultrashort pulsed beam shorter than or even near to one oscillation optical period, because they lead to a spatial singularity

    結果表明，對于脈沖寬度較長（相對於一個光學周期）的超短無啁啾脈沖光束可以使用緩變包絡近似和復振幅包絡表達式。
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