折點特性 的英文怎麼說

中文拼音 [zhédiǎntèxìng]
折點特性 英文
knee characteristics
  • 折 : 折動詞[口語]1. （翻轉） roll over; turn over 2. （倒過來倒過去） pour back and forth between two containers
  • 點 : Ⅰ名詞1 （液體的小滴） drop （of liquid） 2 （細小的痕跡） spot; dot; speck 3 （漢字的筆畫「、」）...
  • 特 : Ⅰ形容詞（特殊; 超出一般） particular; special; exceptional; unusual Ⅱ副詞1 （特別） especially; v...
  • 性 : Ⅰ名詞1 （性格） nature; character; disposition 2 （性能; 性質） property; quality 3 （性別） sex ...
  • 特性 : characteristic（s）; character; performance; features; properties; behaviour; response; character...
  1. After generalizing the characteristic of modern equipment, the mission of equipment management and general situation of chinese equipment management, basied on two forms of equipment management - - - - - - practicality & value, the author combined quantitative & qualitative methods with example to analyze and discuss questions, especially the reasonable update & depreciation, accordingly achieving the optimization of the technical efficiency & economic benefit 0 one of emphases of the thesis is methods application of equipment reasonable update, that is starting with economic benefit to looking for reasonable using fixed number of year. the thesis used inferior - converted numeric method and rate equation which based on the theory square and combined with harbor loading machines & tugboat ' s actual facts, calculated the economic life of the same machine in order to make sure harbor machines " reasonable using fixed number of year. at the same time, the author made use of midpoint value regress method and stochastic trapeziform forecast method to calculate and analyze and gain the reasonable conclusion o the other emphases is questions of harbor equipment

    本文概括介紹了現代設備的特點、設備管理的任務以及我國設備管理發展的概況后，作者從設備經濟管理的兩種形態? ?實物形態和價值形態出發，採取定量與定性相結合，以定量為主，結合實例進行分析與論述，對港口設備的合理更新與折舊問題進行了著重研究，從而實現設備的技術效能和經濟效益的最優化。本文研究的重點之一是設備合理更新的方法應用，即從經濟效益出發，來尋求設備的合理使用年限。本文結合港口裝卸機械和港作拖輪的實際，運用以正方形理論為基礎的低劣化數值法和費用方程兩種方法，計算了同一種機械設備的經濟壽命，從而確定港機合理的使用年限，同時，運用了中點值回歸法和隨機梯形預測法進行計算和分析，得到了合理的結論。
  2. In order to choice the appraisal approach ? iscount cash flow model that it is look as a perfect and abreast on the theory and practice, in addition, the paper give a minute description about the two main element ? ash flow and the discount ratio of the model. so can know how to apply the model further in new high technology enterprise, of course, any theory including cash flow model is comparative when looked as perfect and the best theory, this approach has many difficult point also when use the model appraise the value of new high technology

    本文從高新技術企業特點及評估特性入手，闡述了傳統價值評估方法和國際上提出的一種新思路在高新技術企業中的應用利弊，從而選擇了目前比較完整、具有理論意義的評估方法? ?折現現金流量模型，對高新技術企業進行價值評估，並對這個模型的兩大基本要素?現金流量和折現率進行了詳盡的分析，以便更明確如何在高新技術企業中運用此模型。當然，任何理論說其比較完整、具有理論意義都是相對而言的，折現現金流量模型也不例外，採用折現現金流量法評估高新技術企業也存在著難點，此論文對其進行了探討，並對傳統評估方法和新思路加以結合，使高新技術企業價值能更好的得到體現。
  3. In this paper, a lot of researches and exploration are applied to studying the universality and expansibility of hardware and the arithmetic design and code optimization of software. especially, all of the following arithmetics or conceptions are worked out in the research of software design : self - adaptable compression arithmetic based on dictionary model for data collection system, similarity full binary sort tree, a optimized quick search arithmetic and an improved arithmetic of multiplication in the floating - point operation. and all of the arithmetic are designed with mcs - 51 assembly language. the quick search arithmetic, in which merits of both binary search and sequence search are used fully, are based on the specialty of preorder traversal in similarity full binary sort tree

    特別在軟體設計研究中，提出了適用於數據採集系統的數據壓縮演算法? ?基於字典模型的自適應壓縮演算法；提出了類滿二叉排序樹的定義；提出了基於類滿二叉排序樹的先序遍歷特性的最優化快速查找演算法，它充分利用了折半查找和順序查找各自的優點；提出了浮點運算乘法的改進演算法；並在mcs - 51匯編語言層次上對所有的演算法加以實現。
  4. In the terms of interpolation, the image reconstructed from nearest interpolation or linear interpolation has good edge but serious noise ; reconstruction from 4 * 4cubic interpolation or three b - spline or three - order lagrange interpolations has better local character. 2 x 2cubic interpolations which has both better edge and local character is the ideal interpolation, the following is the basic principle during reconstruction : ( 1 ) the more width of interpolation, the more number of summation and the more order of interpolation polynomial, the higher of density resolution ; ( 2 ) the more of interpolation polynomial and width of interpolation, the more of reconstruction time simultaneously, aimed at eliminating the effects of noise contained in projection data, in this paper, author analysis cause and effects of common artifacts. importantly, discusses convolution back - projection reconstruction algorithm with a shift axis of rotation has been derived for correcting images that acquired with a divergence axis of rotation using the fan beam geometry with an angle - equaled detector

    在ct圖像重建時，選擇有限帶寬窗有較好的空間解析度，三角形窗有較好的密度解析度，選擇餘弦窗則使得空間解析度與密度解析度的折衷；從窗函數的頻譜角度來講，可以用於圖像重建的一個良好的卷積窗函數應該具備以下條件： （ ? ）小的3db帶寬b ，即最小的主瓣寬度； （ ? ）最小的旁瓣最大峰值a ； （ ? ）最大的旁瓣峰值衰減速度d ；就內插函數而言，臨近點內插與線性內插重建圖像噪聲大，但有較好的邊緣與細節； 4 4三次內插、三次b -樣條與四次拉格朗日多項式內插圖像平滑，局部特性較好。
  5. Due to its advantages of high power capacity, weak dispersion, easier fabrication and low ohmic losses, the folded rectangular groove guide would be an excellent slow - wave structure in millimeter and submillimeter wave twts

    曲折矩形槽波導結合了曲折波導散熱能力強、色散特性好、容易加工和矩形槽波導單模工作、低損耗、大尺寸等優點，因此這種新型的慢波系統有可能在毫米波及亞毫米波段的行波管中具有較好的發展前景。
  6. In this paper, a novel folded groove waveguide slow - wave structure is proposed with the foundation of folded waveguide and grooved guide. high frequency characteristics of such sws are also analyzed in this paper. the main works are listed as follows : 1

    本論文以曲折波導慢波系統和槽波導傳輸線為基礎，綜合二者的優點和目前曲折波導在thz輻射振蕩器中遇到的問題，提出一種新型的曲折槽波導慢波系統的概念，並對這種新型慢波結構的高頻特性進行了詳細的研究。
  7. By analyzing the characteristic of the flow field in overloading srm and comparing several existing experiment techniques, a convergence - fold tube facility was developed. the flow field in chamber of srm with high acceleration was simulated. some inhibitor ablation experiments were carried out in this test facility

    通過分析過載條件下流場的特點，提出並比較了現有過載地面模擬試驗技術的優缺點，最終確定了收斂?折管的模擬試驗方法，模擬了高過載條件下發動機燃燒室內的高濃度粒子流，利用該方法開展了高過載模擬沖刷條件下的絕熱層燒蝕特性研究及絕熱層抗沖刷能力的篩選試驗。
  8. The main work of this paper was as fellows : ( 1 ) generalized the development of pre - stressed steel structure in our nation and abroad, and pointed out the main problem in practice ; ( 2 ) presented the mechanism of pre - stressed steel structure and revealed its applicable range ; ( 3 ) established the optimization design model for pre - stressed steel structure, which accounts for constraints on stresses and displacements of structure ; ( 4 ) brought forward the optimization design method, which combined linear programming and the principle of full restriction, through which we can obtain the magnitude of each time pre - stress and the optimized sections of each members of structure ; ( 5 ) analyzed the best times of pre - stress and pointed out that 2 ~ 3 times is preferable ; ( 6 ) conducted optimization design on large - space steel roof, horizontal parallel steel truss with local cables, horizontal parallel steel truss with global cable, and ultra - static steel truss, the result of which indicated that the multiple pre - stress structure is very economic ; ( 7 ) compared different schemes of cable placement for horizontal parallel steel truss, and the results showed that the local cable only unloaded the second girders, but had no response on the first girders and stomach poles, while global cable could unload the second girders and the stomach poles outside of turning point of cable, thus proving that global cable is more economic than local - cable

    本文的主要工作是：對國內外預應力鋼結構的發展歷史及現狀作了綜述和總結，指出當前預應力鋼結構工程實踐中存在的主要問題；闡述了預應力鋼結構的受力機理，並指出預應力鋼結構的適用范圍和特點；在考慮結構應力和變位約束的條件下，建立預應力鋼結構優化設計模型；提出多次預應力鋼結構優化設計方法和步驟，採用線性規劃和滿約束準則相結合的優化方法，可優化設計出施加的每一級預應力的大小，並得到結構各部分的優化截面；對多次預應力最佳的施加次數作了分析，並建議以2 3次為宜；為驗證文中理論和方法，分別對大跨多次預應力鋼屋架、局部布索的水平平行弦鋼桁架、整體布索的水平平行弦鋼桁架和局部布索的超靜定鋼桁架等算例進行了優化設計，經濟效益明顯；對水平平行弦鋼桁架的幾種施加預應力的方案進行比較，對于局部布索，預應力只對下弦起到卸載作用，對上弦和腹桿基本不起作用；而整體布索預應力除對下弦卸載外，對索折點以外部分腹桿也起到卸載作用，經濟效益好於局部布索。
  9. The main effect factors include : 1. microbial species, which seem to have different degradation rate under varied circumstances and n - alkanes ; 2. physical and chemical properties of crude oil itself, which have an important effect on biodegradation, such as conglutination, boiling point, refractive index, ingredient and concentration of the oil ; and 3. culture condition of microorganism, under which the degrading activity of microorganism will be affected by surfactant, light condition, sorbent, nutrition, co - metabolite, oxygen, temperature and salinity during the inoculation of selected or indigenous microorganisms

    其中主要影響因素包括：菌種的影響，菌種在不同的環境中和對不同碳鏈長度的碳氫化合物表現出不同的降解效率；石油物質本身物理化學特性的影響，如石油物質在水體或土壤中的濃度以及石油的粘度、沸點、折射率等特性；生存環境條件的影響，在接種入高效率的降解菌或利用土著微生物進行降解時，降解率受到生存環境中各種條件的影響，如表面活性劑、光照條件、吸附劑的利用、營養鹽、共代謝底物、氧氣、溫度、鹽度等。
  10. The number density distribution of globular cluster in space will change with time due to the dynamic evolution, especially for those in the central region of the galaxy ; 5. for the power law initial cluster mass function, the peak value of the mass function after the dynamic evolution is sensitive to the lower limit of the initial mass function we adopt. the suggested value in this paper is - 104m, which is consistent with that reduced from the dynamical analyses for the giant molecular clouds

    對于冪率的初始質量譜，球狀星團系統動力學演化后質量分佈的轉折點質量主要是由初始質量函數的質量下限決定的，最為適合的值為10 ~ 4m _ ；冪率的初始質量譜的譜指數對球狀星團系統動力學演化后質量分佈的轉折點質量也有影響，其最佳值為1 . 5 2 . 0 ；經過大約5gyr的動力學演化，冪率的初始質量譜就會演化成為高斯的對數質量分佈並具有在隨后的動力學演化中保持對數高斯形式質量分佈的特性。
  11. The normal polarizing device is made of iceland crystal that is based on birefringence of crystal. its merit is high extinction ratio, high transmission and wide wavelength

    一般的起偏器件和檢偏器件是利用晶體的雙折射特性設計而成，其優點是：消光比和透射比高，適用的光譜范圍大。
  12. The thesis also gives the concept of the electromagnetic density of modes ( edom ). the distribution features of edom in the band - edge of 1d photonic crystal are studied according to the computational results. the dispersive properties of 1d photonic crystal are discussed by introducing the concept of complex effective refractive index

    闡述了一維光子晶體中電磁模密度的概念，由計算結果分析了電磁模密度在禁帶邊緣的分佈特點；用復有效折射率討論了一維光子晶體的色散特性。
  13. On the other hand, a new technology using tunable laser as light source of delay system is proposed, which uses the characteristics of optical fiber material dispersion which means that the refraction index of optical fiber changes along with the difference of transmitting wavelength

    另一方面，提出一種通過採用可調諧激光器作為系統光源的技術，利用光纖的材料色散特性即光纖的折射率隨傳輸波長變化而改變的特點，來改變延時光纖中信號存儲的時間，從而達到提高光纖延遲線延時精度的目的。
  14. After analyzing disputes on the content of cc detailedly, this paper presented a specific definition on its connotation, upon which the author carried out research on the consisting factors such as natural endowments, organic ability, systemic ability, learning ability, innovative ability, etc. in the third chapter, this paper focused on the logic between etip and cc in multinational cooperation

    以此為據，筆者就核心競爭力內涵中的資源察賦因素和組織結構能力、環境制度能力、學習能力、創新能力的能力層次因素進行研究，進一步探討了核心競爭力的概念及特性。在第三章中，本文著重分析了在跨國經營中管理學領域的核心競爭力理論與國際直接投資領域的國際生產折衷理論的契合點所在。
  15. Through the analysis, it is shown that : 1, while fabricating the grating, the principle of selecting the parameters is : the period should be as large as possible, the etching depth should be small and filling factor should approach to 0. 25. 2, if selecting the parameter combine the selecting principle and the requirement of concrete application, the space of selecting the parameter should be larger than before. 3, while the period to. 4a, the surface profile has no effect on the reflectivity

    通過分析發現： 1 、在製作有一定特性的光柵時，光柵參數的選擇原則為：周期的取值應盡量的大，刻蝕深度的取值應盡量的小，占空比的取值應盡量靠近f = 0 . 25 ； 2 、以參數的選擇原則結合製作的具體應用要求宋選擇光柵的參數，則各個參數的優化空間更大； 3 、當光柵的周期t 0 . 4時，表面面形對反射率沒有影響； 4 、運用臨界周期點隨折射率的變化規律，可以避免由於選擇光柵周期過大而出現一級衍射，從而導致製作失敗。
  16. An attempt is made to use the filled function as the modified function approach to apply global optimization to optical thin film problems. it is proved successful when applied to problems such as antireflection coatings and beam spliters. meanwhile, it is also found that when the number of layers is fixed those local minima with less total optical thickness appear to be better. in the realization. needle method are made to explore the impact of local optimization methods used, parameter of these methods, the starting design, the search accuracy of function and the methods of thickness growth

    從理論分析來看，由於光學薄膜的特性是由在入射介質那一側的等效導納所確定的， needle方法把等效導納作為狀態變量，把每一層的折射率作為控制變量，運用最優控制的原理計算出在薄膜內部每一個厚度對應的點上折射率改變所引起的評價函數的改變，由此選取改變折射率后評價函數變化最大（評價函數變小）的那一點進行插入。
  17. According to m. sheik - bahae ' s theory the sample has a negative nonlinear refractive index under 1064 nm pulse laser. it was determined as 6. 5 x 10 - 21 m2 / w. meanwhile, the minimum value of normalized transmittance of z - scan curves without aperture are found at the focus, and indicate that nickel one - nuclear complexes have nonlinear absorption properties

    同時開孔z掃描曲線在焦點處出現透過率的最小值，表明它具有非線性吸收特性，其非線性折射率為6 . 5 、 10一， ， mz / w ;我們還利用歸一化透過率曲線算得了這兩種鎳單核配合物的三階非線性極化率的實部。
  18. The electrical cut scanning mirror shows : this bilinear behavior results from different cracking ways under high and low strain amplitudes, that is, elastic cracking and brittle cracking respectively. cyclic hysteresis energy is an important fatigue parameter. the total cyclic hysteresis energy of gh4145 / sq increases gradually as strain amplitude goes from 1 % to 0. 5 %, but it decreases when strain amplitude is lower than 0. 5 %

    在高溫低周疲勞下， gh4145 / sq合金的循環滯?能具有如下特徵：在1 0 . 5應變幅范圍內，循環總滯?能是一個逐漸增大的過程，而當應變幅小於0 . 5時，總滯?能隨應變幅減小而趨于減小；半壽命處的循環滯迥能和總滯?能與壽命之間的關系曲線表現出雙線性特徵，轉折點對應0 . 5應變幅。
  19. Photorefractive phase conjugation, which is one of the most important methods for producing phase conjugation wave, is of potential use in many fields due to its low build - up threshold, high fidelity and high damage threshold, etc. in this thesis, we present a complete research to the characteristics and applications of ce : bati03 self - pumped phase conjugation ( sppc )

    光折變位相共軛具有建立閾值低、保真度高和大損傷閾值等優點，因而具有廣泛的用途。在本論文中，我們針對ce ： batio _ 3晶體光折變自泵浦位相共軛器的特性和應用做了全面深入的研究。
  20. This paper explains in detail the mechanism of uv photosensitivity, experiment and experimental analysis and discussion, and the method calculating the uv - induced changes and presents the factors of photosensitivity. the results provide guidance for the fabrication of fbg. moreover, based on the study of germanosilicate fiber, the multi - mode fiber grating was fabricated and its sensing properties were studied experimentally and theoretically

    本文從摻鍺光纖紫外光敏機理、實驗和實驗分析討論、以及獲得光致折射率方法進行了詳細的闡述，分析了影響摻鍺石英光纖紫外光敏性的幾個因素，根據對紫外光敏性的因素分析，提出了製作光纖光柵的幾點參考；並依據摻鍺石英光纖光敏性的研究，製作了多摸光纖光柵並對其傳感特性進行了實驗研究。
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