最佳分離系數 的英文怎麼說

中文拼音 [zuìjiāfēnlíxìshǔ]
最佳分離系數 英文
optimum separation factor
  • 最 : 副詞（表示某種屬性超過所有同類的人或事物） most; best; worst; first; very; least; above all; -est
  • 分 : 分Ⅰ名詞1. （成分） component 2. （職責和權利的限度） what is within one's duty or rights Ⅱ同 「份」Ⅲ動詞[書面語] （料想） judge
  • 離 : Ⅰ動詞1 （離開） leave; part from; be away from; separate 2 （背離） go against 3 （缺少） dispens...
  • 系 : 系動詞（打結; 扣） tie; fasten; do up; button up
  • 數 : 數副詞（屢次） frequently; repeatedly
  • 最佳 : the best; optimum
  • 系數 : [數學] coefficient; ratio; modulus; quotient; factor
  1. In order to solve the problem of deviation of suitable angle andthe practice of shot put, the author analyzes the function relation between performance and the maximum projectile range, draws the best result theorem that is new optimum angle formula and sign - line parameter

    為了解決鉛球適宜投出角度公式與實踐偏離的問題，分析了鉛球成績與拋體最大射程的函數關系，得出了最大成績定理、 「新」最佳投出角度公式和最佳出手角度標志線參數式。
  2. The emulational calculating theories of traction power supply system ' s operating charts combine with actual things of engineering design at present in chapter three, to set up traction web current distributing mathematical model, integral distributing mathematical model, locomotive distribution and obtaining current model at every moment, and on which making use of mathematical planning methods to set up mathematical models is based at every moment in every instance interval of the railroads. for instance, instantaneous current, instantaneous voltage descent and effective current, main changing capacity and so on, in addition, there are the minimum power shortage model, the optimal transformer substation location, the least engineering expenditure, the optimal mathematical model of traction power supply system. optimize design ' s algorithm of traction power supply system is introduced in detail in chapter four, where programming idea and realizing method of the computer software are given an explanation

    本研究主要進行了以下工作：結合牽引供電系統運行圖的模擬原理和現行工程設計的實際情況，建立了牽引網電流分佈、積分分佈、任一時刻機車分佈和取流的數學模型；應用數學規劃方法建立了任一距離區間、任一時刻的瞬時電流、瞬時電壓降數學模型和有效電流、主變容量和主變壓降、最小功率損失、最佳變電所容量、最佳變電所位置、最少工程費用、最少運營維護費用和牽引供電系統方案最優等方面的數學模型；闡明了牽引供電系統優化設計的演算法和計算機軟體編程思想及實現方法；進行了工程實例計算；最後，對牽引供電系統優化設計技術應用進行了總結。
  3. The vary of the parameter of the steam ). the software provide function of " alert " if some parameters exceed the range of permission, and this may urge the operator to adjust operation condition and put right. meanwhile, this may promise the units under the conditions of optimization, and achieve lower net coal consumption rate of thermal power plant and higher generation efficiency

    同時，這套系統可以在線分析熱力系統的各小指標如主蒸汽參數、抽汽參數和排汽參數在偏離目標值時所引起的煤耗額外增加值，對于偏離目標值超過允許范圍時的參數提出報警，以提醒運行人員調整運行，糾正偏差，使各參數都運行在最佳狀態，從而降低煤耗，提高機組的運行效率。
  4. The main research contents of the technical design include : analyzing the necessary parts of the solar x - euv telescope and the method of imaging x and euv ray ; developing the optic, electronic and mechanical design of this instrument ; computing solar x - euv imaging telescope ' s response to different temperature plasma, analyzing combination application of telescope filters for reconstructing the plasma paramaters and apprasing the telescope ' s response to the solar activities

    技術設計的主要內容包括：分析瞭望遠鏡的系統組成及成像方式選擇；完成太陽x - euv成像望遠鏡光學、電子學、機械等方面的技術設計：計算分析了太陽x - euv成像望遠鏡對不同溫度的等離子體響應、反演高低溫等離子體參數的最佳過濾片組合利用及望遠鏡對不同太陽活動現象的響應。
  5. This paper illustrates detailedly the thin groupware auto - adaptive recognition system ; it also illlustrates the procession of capture image and take indispensable foreclose to wipe off noise in order to get boundary easilyer. the recognition system uses " hough " transform method to make the recognition area orientation, and according to the unstable environment such as lights which leads to the change of the image ' s brightness, thresholds picture using an iterative selection method and then growing process for cell image segmentation based on local color similarity and global shape criteria, adaptively gets the best threshold to divide the washer off the background. the recognition system uses the classifier based on minimal - error - ratio bayes method to make decision after getting image characteristic

    本文詳細介紹了薄形組合件自適應識別系統；闡明了圖像的分通道自動採集過程，以及對採集到的原始圖像所進行的預處理方法。通過採用哈夫變換去除偽邊緣點的方法，有效地解決了識別區域的定位問題。針對裝配零件（主要是墊片）薄、小導致圖像信息少、識別難度大，以及材質不一導致採集到的組合件圖像亮度波動等問題，提出了使用最佳閾值迭代法和使用種子填充的圖像串列分割技術，自適應地找出最佳閡值，使墊片和背景分離，從而提取墊片數目信息。
  6. When nals was used as the collector in the process, the optimal conditions were the ph of feed solution 5. 0 - 6. 0, air flow rate 100ml / min, the liquid column depths 20cm, the surfactant concentration determined by its cmc and feed concentration. under this condition, the 3 can be above 20. also, the optimal ph ( 5. 0 ) was calculated theoretically for the recovery of the cu ( ii )

    對以十二烷基硫酸鈉為捕集劑的泡沫吸附分離過程的工藝參數進行了研究，並得出本分離系統所確定的最佳工藝參數為： ph5 . 0 6 . 0 ，氣體流量100ml min ，液位高度20cm ，最佳表面活性劑濃度由其臨界膠束濃度和原料液濃度確定，此時（濃縮比）可達20以上；同時還從理論上推算出泡沫吸附分離銅的最佳ph值范圍為5 . 0左右。
  7. The performance of the system designed will directly affect the overloading that an aircraft can bear, the safe overrunning length of runway as well as the changes of tensile force of belt and braking pressure of oil, and ultimately has influence on the arresting effects. so in the process of developing a system, we should study the system in order to define the optimal configuration parameters or more effective control methods

    攔阻系統設計的優劣會直接影響到飛機承受的過載、安全攔停距離及帶拉力、剎車壓力的變化狀況，最終影響攔阻效果，因此在研製系統過程中，要對系統進行分析研究，以確定最佳的結構參數和更有效的控制方法。
  8. As the results, more and more serious requirements were raised to the nuclear data acquisition and control system. in order to meet these requirements and to support the advanced study of the interaction between clusters and materials, a key project supported by china national science foundation, we have done the study of the data acquisition and control system for the clusters characteristic in detail, and employed single - chip microcomputers and pc computers to compose a large scale data acquisition and control system. the composition mode of this kind of system and the distribution of tasks, the acquisition and control circuit units based on single - chip microcomputers, the real - time communication methods and the software composition under the windows 98 were also discussed in detail

    針對這一問題並為了保證國家自然科學基金重點項目「荷能離子團簇與介質的相互作用」等前沿研究課題的進行，本論文對團簇研究中的數據獲取和調控問題進行了詳細研究，提出了以pc微機和集群式單片微機為主構成的團簇特性研究用分散式多通道數據獲取和調控系統的方法；詳細討論了這種系統的最佳組成模式、任務分配、單片微機數據采控單元、系統內實時通訊網的建立和windows環境下系統軟體的編寫等硬軟體問題。
  9. The daily change law of air ion is : the density of air ion in morning is the highest, it falls at noon or in the afternoon. while it raises again in the dusk. ( 2 ) in summer, the density of air anion in songgu and diaoqiao scene district is more than 30000 / cm3, while in yungu scene district and bailongtan, renzipu of wenquan scene district it is 10000 / cm3. in beihai it reachs 18000 / cm3, the density is not well - distributed in xihai, yupin and tianhai, it presents a kind of jumping change ; ( 3 ) the air anion density in winter is small than 1000 / cm3 only at yiranting, taoyuan square of wenquan and yupinglou

    大氣離子日變化規律是：清晨最高，正午或午後降低，傍晚又比較高； （ 2 ）夏季，松谷景區和釣橋景區的負離子濃度均在30000個cm ~ 3以上，而雲谷景區和溫泉景區的人字瀑和白龍潭測點負離子濃度在10000個cm ~ 3以上；北海景區負離子濃度在18000個cm ~ 3以上，西海、玉屏和天海三景區的負離子濃度分佈不均勻，呈現一種跳躍性變化； （ 3 ）冬季負離子濃度只有溫泉景區的翼然亭、桃園廣場和玉屏樓的負離子濃度小於1000個cm ~ 3 ，其它地方的負離子濃度均大於1000個cm ~ 3 ； （ 4 ）全風景區中以松谷和釣橋景區的負離子含量水平高，而且它們在春季負離子含量也超過8000個cm ~ 3 ，具有治病的功能；溫泉景區的人字瀑和白龍潭測點負離子濃度春季超過16000個cm ~ 3 ； （ 5 ）整個風景區的負離子含量均大於正離子含量，用單極系數q和空氣離子評議系數ci評價，各景區的q 1 ， ci 1 ，高於最佳空氣清潔度的指標。
  10. Using the microwave selective heating property for materials, by setup equivalent equation, and first time inducing the electromagnetic field perturbation theory to the design of heating materials for substrate in mpcvd, three temperature distribution modes were established, including temperature distribution comprehensive mode of inhomogeneous plasma, temperature distribution composite mode of composite substrate materials, temperature distribution perturbation mode of composite materials, which ii provided an whole new technology route to the design of substrate heating system in mpcvd and guided the preparation of heating materials for substrate. and then the heating materials for substrate were designed and optimized to obtain large area homogeneous temperature distribution even larger than substrate holder ' s diameter. as an important part, this thesis researched the nucleation and growth of diamond films in mpcvd, systematically researched the effects of substrate pretreatment, methane concentration, deposition pressure and substrate temperature etc experimental technologic parameters on diamond films " quality on ( 100 ) single crystal silicon substrate in the process of mpcvd, characterized the films qualities in laser raman spectra ( raman ), x - ray diffraction ( xrd ), scanning electron microscopy ( sem ), infrared transmission spectra ( ir ), atomic force microscopy ( afm ), determined the optimum parameters for mpcvd high quality diamond in the mpcvd - 4 mode system

    該系統可通過沉積參數的精確控制，以控制沉積過程，減少金剛石膜生長過程中的缺陷，並採用光纖光譜儀檢測分析等離子體的可見光光譜以監測微波等離體化學氣相沉積過程；利用微波對材料的選擇加熱特性，通過構造等效方程，並首次將電磁場攝動理論引入到mpcvd的基片加熱材料的設計中，建立了非均勻等離子體溫度場綜合模型、復合介質基片材料的復合溫度場模型及復合介質材料溫度場攝動模型，為mpcvd的基片加熱系統設計提供了一條全新的技術路線以指導基片加熱材料的制備，並對基片加熱材料進行了設計和優選，以獲取大面積均勻的溫度場區，甚至獲得大於基片臺尺寸的均勻溫度區；作為研究重點之一，開展了微波等離體化學氣相沉積金剛石的成核與生長研究，系統地研究了在（ 100 ）單晶硅基片上mpcvd沉積金剛石膜的實驗過程中，基片預處理、甲烷濃度、沉積氣壓、基體溫度等不同實驗工藝參數對金剛石薄膜質量的影響，分別用raman光譜、 x射線衍射（ xrd ） 、掃描電鏡（ sem ） 、紅外透射光譜（ ir ） 、原子力顯微鏡（ afm ）對薄膜進行了表徵，確立了該系統上mpcvd金剛石膜的最佳的實驗工藝參數。
  11. In addition, taking one engine mounts design into account, the paper investigates and compares some types of design schemes and shows that semi - active continuous variable damper is feasible and applicable. the numerical simulation results further proves that the continuous variable sky - hook damper is able to effectively isolate the engine vibration, so the damper has promising value in the engineering field

    另外，以某發動機懸置的設計為背景，比較了各種設計方法，論證出半主動連續可控阻尼懸置為最佳的方案，並用簡化的懸置模型進行了數值模擬分析，通過得到的振動性能的比較，表明按天棚阻尼設計的連續性半主動懸置系統，能夠有效地隔離發動機振動，有很好的工程應用前景。
  12. In dtc system, the concept of space vector is introduced to analyze and control the ac motor, the electromagnetic torque and flux are calculated and controlled in the stationary coordinate, and the optimal pwm gating signals are generated to control the inverter to acquire high dynamic torque according to the output of the bang - bang regulators

    直接轉矩控制採用空間矢量的概念來分析三相異步交流電動機的數學模型和各物理量，直接在靜止坐標系下計算與控制交流電動機轉矩和磁鏈，藉助于離散的兩點式調節產生pwm信號，直接對逆變器的開關狀態進行最佳控制，以獲得轉矩的高動態性能。
  13. Because of radio wave propagating along the ducts with enhanced fields on the order of the free - space field, the problems of the co - channel interference are more complicate for communication systems with the results of intersystem interference and the formation of other system, and therefore affecting the determination of the coordination distances or the optimization of the distribution and separation of delay, and for surveillance system such as radar system the problems can be radar holes or the extensions of detect range

    對于通信電路，它使系統間的相互干擾問題變得復雜，既可能幹擾其他系統又可能形成另外的系統，從而影響系統的有關參數如中繼電路的最佳組合（分佈、間隔）和協調距離，對于探測系統產生的則是雷達空洞、超視距探測等問題。這些問題對相關無線電系統特別是軍事應用系統可能是致命的，因而以波導傳播為代表的反常傳播特性研究受到極大重視。
  14. Abstract : a semi - analytical method is used to modelling the pract ical 3 - zone simulated moving bed chromatography ( smbc ) process for optimal searc hing. the switch time which is the most important operation parameter of 3 - zone smbc is analyzed based on the nonlinear batch chromatography theory firstly, and then adjusted by the deviation between the output and the expectation. the switch time approaches the optimization very soon by continously searching on the basi s of the theory. the parameters of the practical system are inputted into simulat ion, the result is used in our experiment and a good separation is obtained

    文摘:針對三帶模擬移動床色譜的實際模型，用一種融合了前饋與反饋的半解析優化計算方法對三帶模擬移動床色譜過程進行了模擬.首先，由非線性單柱色譜理論解析地給出一個三帶模擬移動床色譜的主要操作參數即切換時間值，然後利用所得結果與目標量之間的偏差來校正切換時間，在理論指導下進行優化搜索，切換時間能很快達到最佳值.將測得的系統參數引入計算，並將計算結果用於實際操作，得到了很好的分離效果
  15. We analyze the generation of external cavity frequency - doubling with knbo3 crystal theoretically. in order to get the second - order nonlinear conversion from 858nm to 429nm with knbo3, we use non - critical type - i phase - matching to avoid the walk - off effect the corresponding optimum focusing condition is as followings : double refraction parameter b = 0, focus parameter = 2. 84, optimum phase mismatch parameter = 0. 574. based on the theoretical analysis and numerical calculations, we obtain the ideal nonlinear conversion coefficient about 1. 45 % / w with crystal length of 7mm and 2. 07 % / w with crystal length of 10mm at the phase - matching temperature around 23. 50c

    根據對其倍頻原理及性能的分析討論，在用該晶體完成波長從858nm到429nm的二階非線性轉換時，採用非臨界相位匹配條件（此時無離散效應，對應的雙折射參數b = 0 ，共焦長度為= 2 . 84 ，最佳相位失配因子為= 0 . 574 ） ，在相位匹配溫度約為23 . 5時，理論上通過計算得到理想情況下非線性轉換系數約為1 . 45 / w （長度為7mm ） ， 2 . 07 / w （長度為10mm ） 。
  16. The condensation heat - exchange characteristic of a separate - type heat - pipe was studied on a 1 : 1 model. the heat pipe is heated by electricity, and working fluid is distilled water, and it is cooled by air. the experimental results show that, ( 1 ) when charging liquid ratio is 45 %, condensation heat - exchange coefficient reaches to maxium ; ( 2 ) when there is not non - condensing gas, the coeffcient decreases a little with the increase of vapour pressure, and it decreases by 9. 5 % when the pressure increases from 0. 16mpa to 0. 36mpa ; ( 3 ) when there is non - condensing gas, the coefficient decreases a little, but when the gas is discharged by an exhaust value, it can be improved, when the volume content of the gas is 2. 5 %, it can increased by 22 % ; ( 4 ) the effect of the non - condensing gas on the coefficient decreases with the increase of the pressure, and when the volume content of the gas is 5 % and the pressure increases from 0. 16mpa to 0. 36mpa, the coefficient increases by 6 %. the relative curves are given between condensation heat - exchange coefficient and air flowrate, charging liquid ratio and vapour pressure

    建立了空氣冷卻實驗臺，熱管的加熱方式為電加熱，工質為蒸餾水.在1 1模型上對分離式熱管管內凝結換熱特性、不凝性氣體對凝結換熱的影響及不凝性氣體的擴散規律進行了試驗，得出分離式熱管有一最佳充液率，其值為45 %左右；凝結換熱系數隨著蒸汽壓力的增加略有降低，在實驗的壓力范圍內，降低了9 . 5 % ；不凝性氣體對分離式熱管的凝結換熱僅影響冷凝段下部較小部分，通過排氣閥排出不凝性氣體可有效地改善冷凝段下部的凝結換熱；隨著壓力的增加，不凝性氣體對分離式熱管冷凝段的影響減少.這些結論可用於分離式熱管換熱器的工程設計和控制
  17. Abstract : the condensation heat - exchange characteristic of a separate - type heat - pipe was studied on a 1 : 1 model. the heat pipe is heated by electricity, and working fluid is distilled water, and it is cooled by air. the experimental results show that, ( 1 ) when charging liquid ratio is 45 %, condensation heat - exchange coefficient reaches to maxium ; ( 2 ) when there is not non - condensing gas, the coeffcient decreases a little with the increase of vapour pressure, and it decreases by 9. 5 % when the pressure increases from 0. 16mpa to 0. 36mpa ; ( 3 ) when there is non - condensing gas, the coefficient decreases a little, but when the gas is discharged by an exhaust value, it can be improved, when the volume content of the gas is 2. 5 %, it can increased by 22 % ; ( 4 ) the effect of the non - condensing gas on the coefficient decreases with the increase of the pressure, and when the volume content of the gas is 5 % and the pressure increases from 0. 16mpa to 0. 36mpa, the coefficient increases by 6 %. the relative curves are given between condensation heat - exchange coefficient and air flowrate, charging liquid ratio and vapour pressure

    文摘:建立了空氣冷卻實驗臺，熱管的加熱方式為電加熱，工質為蒸餾水.在1 1模型上對分離式熱管管內凝結換熱特性、不凝性氣體對凝結換熱的影響及不凝性氣體的擴散規律進行了試驗，得出分離式熱管有一最佳充液率，其值為45 %左右；凝結換熱系數隨著蒸汽壓力的增加略有降低，在實驗的壓力范圍內，降低了9 . 5 % ；不凝性氣體對分離式熱管的凝結換熱僅影響冷凝段下部較小部分，通過排氣閥排出不凝性氣體可有效地改善冷凝段下部的凝結換熱；隨著壓力的增加，不凝性氣體對分離式熱管冷凝段的影響減少.這些結論可用於分離式熱管換熱器的工程設計和控制
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