characteristic length 中文意思是什麼

characteristic length 解釋
換算長度
  • characteristic : adj 有特性的；表示…特性的，…特有的。 Japan s characteristic art 日本特有的藝術。n 特性，特徵，性...
  • length : n. 1. 長，長度，長短。2. （時間的）長短，期間。3. （賽艇的）一艇的長度；一馬的長度。4. 程度，范圍。5. 【板球】球程；投至適當距離的球。6. 【語言學】音長。7. 一段，一節。
  1. Abstract : in this paper, basis on the distribution of non - broken filament length of cocoon, we gave the characteristic function, and discussed on its application

    文摘:在前文已經給出的連續型解舒絲長分佈的基礎上，給出解舒絲長的特徵函數，討論其應用的問題。
  2. 1. characteristic properties of the plasma membrane h + - atpase 3 - d - old seedlings of etiolated mung bean ( vigna radiata l ) were harvested and the hypocotyls ( 1 - 2 cm in length ) under hook were used to prepare the plasma membrane vesicles by means of aqueous two - phase partition

    綠豆下胚軸質膜h ~ + - atpase基本特性的研究黑暗條件下生長三天齡的綠豆黃化幼苗，取彎鉤下1 - 2cm長的下胚軸，機械法破碎組織，兩相分配法分離、提取和純化質膜。
  3. In order to obtain the most economic benefits, the paper utilized the theory of " homalographic characteristic " and " share alike compensation current characteristic " to build up the best compensation relation for " hour - current " curve applied to transformer substation and for " length - current " curve applied to distribution line

    以獲得最大經濟效益為目標，利用「等面積特性」和「補償電流等分特性」理論。推導了應用於變電站的「時間?電流」曲線關系中存在的最佳補償關系，以及應用於配電線路的「長度?電流」曲線關系中存在的最佳補償關系，及補償后的經濟效益計算模型。
  4. Aiming at the present design fashion of domestic bigger tunnel, simulating a bigger tunnel with catholic characteristic, confirming the parameters of traffic inducement and controlling ( tunnel length, traffic, the selection and location of detection equipments, amount of roadway indicative lamp, etc ) on the base of the analog tunnel, discussing the controlling and revulsive mode of tunnel. briefly discussing the constitution of tunnel surveillance and controlling system and the executive means of traffic controlling and inducement subsystem and network structure of tunnel controlling system. finally discussing the conformation of emulational tunnel ' s database and detailed executive program by programming the computer emulation of controlling induce subsystem

    論文圍繞「交通誘導與控制」這一中心展開，探討長大隧道交通誘導與控制設備及其控制誘導方式；結合國內外對交通流模型研究的成果，提出一套適合長大隧道交通流特點的交通流模型；並針對目前國內長大隧道的普遍設計方式，模擬一個帶有普遍性特徵的長大隧道，確定了關于交通誘導與控制方面的參數（隧道長度、交通量、檢測設備的選取和位置、車道指示燈的數目等） ；以此模擬隧道為基礎，進一步探討隧道的具體控制與誘導方式；簡要探討隧道監控系統的構成、交通控制與誘導子系統的實現方式，隧道控制系統的網路架構；最後通過編程實現控制與誘導子系統的計算機模擬，討論關于模擬隧道數據庫的構建，具體編程實現等。
  5. Based on the reseaching of lycoris leaf micro - morphology characters by sem scanning, light microscope viewing and using paraffin method in the article, we try to provide the proofs of experiment and the efffective characer indexes to discuss the system and evolution of the lycoris. we find these microscope characers through reseach are as follows : the arrangement type, density and the length of stoma ; the shape and length of the epidermal cells ; the ridge of epidermis ; the transverse shape of leaf ; the number of the vascular bundle ; the style of vessel arrangement of vascular bundle in the middle vein ; the layers of palisade tissue ; the ratio of the thicken of palisade tissue to that of spongy tissue ; the angle number of the middle leaf ; the type of ventilating cavity etc. these characters are different from those of species in lycoris, meanwhile these characters are similar to those of some species in lycoris. so these characters can be used as the character indexes for differentiating species and reseaching systematic evolution of lycoris ; we can divide lycoris into two subgenus by these characteristic indexes : the species of one subgenus are l. aurea ( l " her. ) herb, chinensis traub, l. caldweuii traub, l. anhuiensis y. hsu et q. j. fan, l. longituba y. hsu et q. j. fan ; the species of another subgenu s are l. houdyshelii traub, l. albiflora koidz.,

    研究結果表明：葉表皮的氣孔排列方式、長度、長寬比，脊的明顯與否，葉表皮上的顆粒紋飾的多少、大小，葉表皮細胞長度、長寬比、垂周壁形狀，上部葉柵欄組織細胞層數、葉的維管束數、葉中脈導管組成數目，氣腔類型，葉的脊部遠軸面的角數，葉緣的形狀等這些特徵在種間存在差異，同時，在有些種之間又有相似性；因此，這些特徵既可以作為區分種的證據，又是研究石蒜屬植物系統演化的性狀指標，根據這些性狀指標，可以將石蒜屬植物大致分為兩個亞屬：一是忽地笑、中國石蒜、短蕊石蒜、安徽石蒜、長筒石蒜，二是江蘇石蒜、乳白石蒜、石蒜、玫瑰石蒜、稻草石蒜；在兩個亞屬中其中有些種如忽地笑、長筒石蒜、中國石蒜的親緣關系則更近些。
  6. According to the distribution peculiarity of the two characteristic moments, the accessibility of water quality in taizhou source of yangtze river has been analyzed based on the maximal contamination zone of entire tide and the relationship between the length of contamination zone and the pollutant load. simultaneously, every project has been analyzed and compared by using the model in wuli lake water environmental renovation for getting some theoretic gist and technical supports for the engineering

    在此基礎上進行泰州江段水流水質數值模擬，建立排污混合帶范圍與排污量關系曲線，並對泰州江段供水水源地水質可達性進行了分析；將模型應用於五里湖水環境治理工程中，預測各引水方案下湖體水質狀況並進行各方案分析，從而為工程實施提供一定的理論依據和技術支持。
  7. The methods reported by g. s. young in 2000, are applied on sea surface sar images featured by three dimensional convective cells. then the following parameters are retrieved from sar images : the characteristic wave length of three dimensional convective cell, the mabl depth, the vertical convective scale velocity, the surface buoyancy flux, obukhov length and the stability correction factor for sar derived sea surface wind speed

    針對海洋大氣邊界層中三維對流渦旋sar圖像，用g . s . young在2000年發表的方法，反演三維對流渦旋的特徵長度、海洋大氣邊界層高度、以及海洋大氣邊界層垂直對流尺度速度、表面浮力通量、海面風速穩定性校正因子和obukhov長度。
  8. Fabrication process of the microgripper based on silicon bulk micromachining is designed. effects of footing and lag in icp and bonding failure are discussed as emphases. the cantilever type gripping finger that is 6 m wide and 5471 m in equivalent length was released successfully characteristic of comb - drive electrostatically actuated microgripper is tested

    進行了大量的工藝試驗和分析，特別對大深寬比的超長長度懸臂梁型夾持臂及梳狀驅動結構進行了深入研究，解決了微細加工工藝中的關鍵技術。
  9. At last, the impact of the monolith length, cell density, wall thickness and noble metal dosage on the light - off characteristic and conversion efficiency of three - way catalytic converter are analyzed and could provide a guide for the optimization of three - way catalytic converter

    本文還對載體長度、孔密度、孔道壁厚和催化劑用量對催化轉化器起燃特性和轉化效率的影響進行了分析，為載體參數的優化設計提供了依據。
  10. The most preeminent characteristic of finger jointing flake is that it is the outcome of wood s comprehensive utilization. its appearance may be of different color or texture of same tree species, or the finger - jointing shape in length direction of different flake length, or the blended finger - jointing of different tree species

    指接木皮最大的特色就是他是木材綜合利用的產物，其外觀可以是同樹種不同顏色或花紋或不同長度木皮的長度方向的指接形態，也可以是不同樹種的木皮混合指接形態。
  11. Based on the analysis of the kinetic track of the scallion during planting, basic relationships ' among the characteristic parameters of the transplanter with two flexible metal disks, including the velocity of the transplanter, the rate of transplanting, the spacing between seedlings, the angle of releasing seedlings, the diameter and length of seedlings, have been set up in this paper, and then a mathematic model of optimum design for the transplanter with the final planting angle of seedlings ( y = 90 ) has been formulated and solved with good results. according to the optimum solutions, a new type of transplanter with two flexible metal disks has been developed and the field tests of the transplanter have been conducted

    為了實現大蔥機械化移栽，作者分析了國內各種移栽機的結構特點，確定了以撓性圓盤式栽植器為研究對象，在分析撓性圓盤式栽植器的運動軌跡和特徵參數的基礎上，完整地確立了撓性圓盤式移栽機的基本參數：栽植頻率、栽植株距、機組前進速度、輸送帶上秧槽的間距、撓性圓盤半徑、撓性圓盤的轉速、夾苗株數以及傳動比之間的相互關系，並建立了以蔥苗栽植傾角= 90為目標的優化設計數學模型，提出了撓性圓盤式大蔥移栽機的優化設計方法。
  12. When the front section length is equal to that of the back section, the torsional characteristic of the system is studied

    結合階梯形變幅桿兩段長度相等的情況，分析了系統的扭轉振動特性，得出了過渡段參數和階梯形變幅桿參數的關系圖像。
  13. If line length is half wave at a certain frequency and both the load resistance rt and source resistance rs are higher than the characteristic impedance zo, then both the voltages at input and at load are maximum at that frequency and both the voltages at input and at load are minimum at half of that frequency

    負載端電阻及電源電阻均高於傳輸線特性阻抗情況下，當線長為某頻率波長之半波，則輸入端與負載端電壓在該頻率均為最高，在該頻率之半時則電壓均為最低。
  14. And non - fourier heat conduction is encountered. when the wavelength of the heat carrier is comparable to the characteristic length of the structures, or the time of heat conduction is shorter than that required for reaching the state of thermal equilibrium, the heat conduction has wave characteristics

    當載熱體的微時間尺度與能量激發特徵時間相比擬時，或者傳熱發生的時間比達到熱力學平衡態所需的時間短時，熱傳導就可能出現波動性質。
  15. The spanwise characteristic length determines the transition features and global properties of the wake. especially for the specific spanwise characteristic length linear stable mode can dominate the wake in place of mode a and determine the spanwise phase difference of the primary vortices shedding

    尤其值得注意的是發現在特定的展向特徵長度下線性穩定的展向模態會取代模式a而在尾跡中占優並決定卡門渦脫落的展向相位差。
  16. The results indicate that auto - ignition occurs more easily when the igniter uses the cross injector with rearward facing step, the height of the rearward facing step influences the stability of the combustion flame, the longer the combustor characteristic length is, the more easily auto - ignition occurs

    研究結果表明，採用帶後向臺階的橫向噴注器比氣液同軸剪切噴注器更易於自燃，後向臺階的高度對燃燒室火焰穩定有影響，燃燒室的特徵長度越長，越利於自燃。
  17. Airflow in cylinder exists in the form of turbulent flow. in order to calculate the convective exchange of cylinder, we have to know the characteristic length and the characteristic velocity of airflow

    氣缸內氣流是以紊流形式存在，在計算氣缸對流傳熱時要知道氣流的特徵速度和特徵長度。
  18. Generally the fractal is regarded as the aggregate state of the big and small fragments and the fractal is a general name to those without characteristic length, including the graphics, structure and phenomena. it is said that the fractal is a figure whose composed parts look like their whole by a certain mode

    一般把分形看作大小碎片聚集的狀態，是沒有特徵長度的圖形和構造以及現象的總稱。也可以說，組成部分以某種方式與整體相似的形體叫分形。分形的兩個重要特徵是自相似性和標度不變性。
  19. The paper presents a model of turbulent flow, which can exactly provide data of the characteristic length and velocity of turbulent flow

    本文介紹的紊流模型能準確提供特徵速度和特徵長度參數的數值。
  20. The comparisons of analytical solutions of the model with numerical simulations of the nnlse show that the model is of excellent accuracy in the case of strong nonlocality and is still valid even if the characteristic length of the material response function approaches about three times of the total spatial extent occupied by the two beams

    數值解與解析解的比較結果顯示：在強非局域條件下我們所獲得的nnlse的簡化方程是十分精確合理的；當介質響應函數的特徵寬度約為光束所佔空間尺度的3倍時，我們推導的簡化方程依然適用。
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