特性長度 的英文怎麼說

中文拼音 [tèxìngzhǎngdù]
特性長度 英文
characteristic length
  • 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 ...
  • 長 : 長Ⅰ形容詞1 （年紀較大） older; elder; senior 2 （排行最大） eldest; oldest Ⅱ名詞（領導人） chief;...
  • 度 : 度動詞[書面語] （推測; 估計） surmise; estimate
  • 特性 : characteristic（s）; character; performance; features; properties; behaviour; response; character...
  • 長度 : length; longitude; size; extent; footage
  1. The remote sensing quantitative retrieval model for the appraisable factors of desertification monitoring are founded. in naiman country, inner mongolia, the experimental area, the hyperspectral imaging spectrometer data in plant growth seasons are collected by state - produced airborne hyperspectral imaging spectrometer omis - i, and the etm + image is also obtained. meanwhile, ground investigation and measurement are made, which include the measurement on reflection feature of different kinds of geo - targets and the ground investigation data necessary for spectral rebuilding and retrieval models of the appraisable factors of desertification monitoring

    本研究以內蒙古奈曼旗作為研究試驗區，採用我國自行研製的機載高光譜成像光譜儀omis - ，在植被生長季節取得高光譜解析度成像光譜儀數據和etm ~ +圖像，並進行了同步的地面調查及量測，包括不同類型地物反射特性量測和光譜重建以及荒漠化監測評價因子定量反演模型所必需的地面樣方調查數據。
  2. It was suggested that eric - pcr could substitute for rapd in research related to the genetic identification and genetic diversity in auricularia and other edible and medicinal fungi : 2 to a certain extent, genetic differences among auricularia strains tested in this study did not have necessary relativity with their geographical origins respectively ; 3 in this study, genetic diversity in a. polytricha was higher than that in a. auricula : 4 in this study, a. fuscosuccinea had a higher homology to a. auricula than to a. polytricha ; 5 morphological characteristics validated the results from eric - pcr and provided a potential explanation for the higher similarity coefficient between a. auricular and a. fuscosuccinea ; 6 southern hybridization was employed by choosing a strain from a. auricula as a probe which hybridized with a. auricula and a. fuscosuccinea except a. polytricha, further confirming the veracity of the results from eric - pcr ; 7 in this study, isozyme analysis could not cluster the 7 strains from three auricularia species to different groups efficiently ; 8 2 strains from two auricularia species revealed high conservative degree and the restriction fragment patterns by 4 kinds of restricted enzymes showed no diversity

    本研究中，木耳屬2個種的2個菌株在its區域表現出較高的保守性， 4種限制型內切酶的酶切圖譜沒有顯示出多態性；增加內切酶種類及供試菌株數量，有可能獲得具有多態性的限制性內切酶酶切圖譜； 9本實驗中， its區域的真菌特異性引物與真核生物通用引物對于擴增效果無較大差異，擴增片段長度均為650bp左右； 10根據形態學實驗、 eric - pcr實驗以及southern雜交實驗的結果分析，紫木木耳屬種質資源的遺傳鑒定和遺傳多樣性評價耳極有可能是毛木耳種的一個變種; n .本研究中所用的gutc法是一種適用於木耳屬菌株基因組洲a快速提取的方法; 12 .傳統的形態學分類法和現代的分子生物學分類法，兩者的關系是相輔相成，互為驗證
  3. However, it is not easy to incorporate large n concentration in gap due to the large differences in lattice structure ( gan belongs to wurtzite structure while gap zinc blende structure ) and in lattice constant ( ~ 20 % ) between gan and gap, which will lead to an extremely large miscibility gap

    然而要在gap中實現高濃度的摻氮並不容易。這主要是由於gap和gan之間較大的物理特性的差異，特別是晶格結構和晶格常數的差異，使得gap和gan存在較大的可混溶性間隙，從而難以生長高質量的高摻氮的gap材料。
  4. The paper can concern the soil ' s instantaneous fallout, soil ' s main settlement due to concretion, and the coactions of soil and pile by applying the contact surface to simulate the coactions. the paper can analyze the service behavior of reuniting foundation and the effect of the pile ' s intensity, length and distance. the paper is concerned with the stressing of pile and the arrangement of pile for the smaller cost to fit the subsidence of throughway

    通過有限元計算，分析了復合地基樁土工作性狀，分析了樁的剛度，長度，樁距對地基沉降及超孔隙水壓力的影響，並根據復合地基中樁的受力特點，提出合理的樁的布置方式，在滿足高速公路路面沉降要求的前提下，節省工程投資，加快建設進度。
  5. On the basis of foreign documents, the dissertation firstly describes the morphology, taxonomy, and biological characters of cochineal insects. then, by using artificial climate cases in the lab, according to orthogonal design, 8 lands of combinations of temperature, humidity and light is set, while the temperature has four levels : 15, 20, 25 and 30, and the relative humidity has two levels : 60 % and 80 %, while the light also has two levels : 980 lux and 60 lux. through observations and analysis of hatching percentage, survival percentage of the first instar and during from the second instar to the adult, the population tendency index, generation life cycle, size and eggs of female adult, the development of the cochineal under different conditions is studied

    在收集、整理國外對胭脂蟲的研究資料基礎上，首先從胭脂蟲的形態學、分類學、生物學特性入手，進而在實驗室內利用人工氣候箱，應用正交設計方法，設計了4種溫度、 2種濕度、 2種光照梯度的不同組合，通過測定胭脂蟲的孵化率、 1齡若蟲的存活率、 2齡若蟲至成蟲期存活率、種群趨勢指數、世代歷期、雌成蟲的大小、懷卵量等生物學指標，深入研究胭脂蟲在這些組合下的生長發育狀況，應用數理統計方法，分析出溫度、濕度和光照對各項生物學指標的影響，找出胭脂蟲適宜的室內培育條件，並為野外胭脂蟲的培育提供一定的理論依據。
  6. ( 2 ) study on the effects of the design parameters of the piles, which affect the counterforce on the pile head and the sedimentation characteristics of the piled raft foundation. ( 3 ) the principles, methods and processes of balance design method for variable - rigidity were expatiated on the basis of above studies

    理論研究表明:樁距、樁長、樁徑及筏板厚度的變化對樁筏基礎樁頂反力及沉降特性有很大影響，特別是筏板厚度和樁距的變化對樁筏基礎沉降差影響甚大。
  7. The initial vsd process uses two main characters, the average instantaneous energy and the average instantaneous zero crossing rate ( zcr ). to make the first recognition for the start and the end, the emphasis of which is to select the appropriate value of the threshold and the length of frame. in the final vsd process, the author compares several characters and confirms the new recognition character

    初步分段過程使用了能量和過零率這兩個主要特徵進行端點檢測，重點是合理選擇兩個重要參數? ?門限和統計幀長度的取值；在最終分段過程中，筆者首先通過比較幾種特徵的識別效果，選擇卡爾曼濾波參數作為再次分段的識別特徵，還提出了一種新的識別特徵? ?周期性緩變特徵，使用這兩個特徵分別在子語音段內進行端點檢測。
  8. Second, the starting and stopping behaviors under disturbed condition are analyzed and calculated by using the dynamic concentrative parameter model, which gives some advice to better prescribe refrigeration system and set theoretic foundation for carrying out automatic control of refrigeration system. third, the normal running process is analyzed and calculated by means of rational matching theory, which gives some advice on how to better understand the parameter change under steady state and the affection of inlet - parameter on evaporator. fourth, the simulation software with dynamic characteristic is designed, which can be applied to calculate thernio - parameter of cryogen, air humidity and frost thickness under different initial and boundary conditions, and to carry out dynamic simulation under conditions of dryness, wetness and frostiness, at the same time, to achieve detection and simulation at any stage from starting to stopping

    本文的主要內容如下： 1 ）對翅片管蒸發器結構特點進行分析，選取適當的微元控制體，就干、濕和霜工況下對每個微元分別進行傳熱傳質分析，基於經驗關系式確定霜的有關參數，對于霜工況下的霜生長建立模型，經適當假設，運用質量守恆、能量守恆和動量守恆方程建立適合動態模擬的蒸發器數學模型，為系統模擬奠定基礎； 2 ）對蒸發在大擾動下的開、停機過程，運用動態集中參數模型進行分析和計算，為更好地描述製冷系統運行的全過程奠定基礎，同時也為製冷系統實現自動控制提供一定的理論基礎； 3 ）對蒸發器正常運行過程，運用動態分佈參數和參數間定量耦合的觀點來分析和計算，為更好地了解穩態工況下各點參數的變化情況及各入口參數對蒸發器動態特性的影響即蒸發器性能對各參數變化的敏感性； 4 ）編寫翅片管蒸發器動態特性模擬計算程序，可以計算不同邊界條件和初始條件下的製冷劑熱力參數、空氣溫濕度和霜厚度分佈場，實現對翅片管蒸發器在干、濕和霜工況下的動態模擬。
  9. On the basis of the others, according to the constructional feature of the constitution of the composed soil nails, the computation mode of the he strut frame made of composed soil nails was set up to analyze the distortion of the he strut frame made of composed soil nails when it is stressed. with the engineering data, the strut frame made of composed soil nails is analyzed with the program ababqus, and the effects of the distortion characters, the property of the deposition of the ground, the mechanical property of the soil nails, the variation of the length and the separation of the soil nails, and the diametric of the mixing piles on the strut frame made of composed soil nails, and the distortion property of the strut frame made of composed soil nails under different ground conditions

    在總結前人的研究成果下，針對復合土釘墻構造的特點，建立了模擬復合土釘墻受力變形的計算模型，並結合工程實測資料，運用大型通用有限元程序ababqus對復合土釘墻進行了有限元分析，詳細討論了復合土釘支護結構開挖過程中的變形特性、地面沉降性狀、土釘受力性狀；土釘長度變化、土釘間距變化、攪拌樁樁徑變化對復合土釘支護結構的影響；復合土釘支護結構在不同地基條件下的變形特性。
  10. This is so because climbing plants are likely to encounter intensive - changing environmental condition during their growth ( especially change of illumination ). secondly, there is a large proportion ( 30 - 40 % ) of climbing plants which belong to dioecism, and hence a gap between male and female plants on morphology, biological characteristic, economic value and so on. this dissertation focuses on herbaceous climbing plants, perennial or annual species such as dioecious trchosahthes kirilowii maxin and dioscorea opposita thumb, and monoecious luffa cylindrical ( l ) roem, it attempts to discover how climbing plants adapted to various environments and the mechanism of adaptation from aspects of physiological and reproductive ecologies at present, due to overuse of chlorofluorocarbons ( cfcs ), the ozonosphere has become thinner and thinner, and the ultraviolet - b ( uv - b ) radiation has increased considerably

    而攀援植物本身是一類理想的植物行為生態學研究材料：第一，攀緣植物由於受攀緣能力和支柱木資源的限制，在生長過程中通常要遇到強烈變化的環境條件（特別是光照） ；第二，攀緣植物中具有較高比例的雌雄異株類型，通常佔地區攀緣植物種類的30 40左右，不同性別的植物在形態學及生物學特性、經濟價值等方面存在一定的差距，因此，本文以雌雄異株攀緣植物栝樓（ trchosahtheskirilowiimaxim ） （葫蘆科多年生草質藤本植物）和山藥（ dioscoreaoppositathunb ） （薯蕷科薯蕷屬植物） 、雌雄同株異花攀緣植物絲瓜[ luffacylindrical （ l ） roem ] （葫蘆科一年生攀緣草本植物）為材料，試圖從生理生態學及生殖生態學角度揭示攀援植物如何適應不同生境及其機理。
  11. 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。
  12. The ingaas / gaas strained quantum well lasers are able to work with extremely low threshold current density, high characteristic temperature and high cod limit, which make ld lasers achieve higher output power and longer ufe. therefore, ingaas / gaas strained quartum wellstructures can be used for the fabrication of high power semiconductor lasers

    Ingaas / gaas應變量子阱激光器具有級低的閾值電流密度、較高的特性溫度和較高的光學災變損傷閾值，這使得激光器具有更高的輸出功率和更長的壽命。因此ingaas / gaas應變量子阱結構可以用於大功率半導體激光器的制備。
  13. 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。
  14. For the present two les models, adopting the subgrid eddy viscosity concept and introducing the transport equation of turbulence energy k, the subgrid scale turbulence is parameterized by the turbulence energy k and the length scale of turbulence / ( k - 1 model ). in addition, vegetation is considered as an internal source of resistant force and turbulence energy

    在應用大渦模擬方法求解數值計算模型控制方程時，亞網格雷諾應力項沿用了亞網格渦粘性系數思路，引入亞網格紊流脈動動能k的輸運方程，建立了關于亞網格紊流脈動動能k和紊流特徵長度l的k - l模型求解。
  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 simulation results show that the shaped degree is decreasing when the spinning temperature and intrinsic viscosity are increasing ; the spinning speed has little effect on the shaped degree when the pump mass throughput is constant ; the shaped degree is increasing with the increasing of pump mass throughput when the spinning speed is constant ; the cross air - blow conditions have much effect on the shaped degree ; the scope of shaped cegree is increasing when the aspect ratio of spinneret hole is increasing ; the shaped degree has obvious decreasing tendency in the small zone of spinning path and this decreasing became gently when the pump mass throughput is increasing

    模擬的結果表明：扁平纖維的異形度隨著紡絲溫度及特性黏度的升高而降低；泵供量一定時，紡速對異形度的影響不大；紡絲速度一定，異形度隨著泵供量的增大而增大；吹風條件對異形度的影響較大；隨著噴絲孔的長寬比的增大，異形度增加的幅度也較大；異形度在紡程上較小的區間內有明顯的下降趨勢，並隨著泵供量的增加其下降的趨勢變緩。
  17. Characteristic chamber length

    燃燒室的特性長度
  18. In this dissertation, a boa - type waveguide optic switch with double - heterostructure gaas / gaalas has been researched. gaas - based integrated optical devices have good temperature, good anti - radiation and optical - transmission characteristics, and also have wide transparent range of wavelength. they can also be integrated on a chip with optical active devices and electronic devices, such as semiconductor laser, optical modulation, optical amplifier, pin, and so on

    基於gaas材料的集成光學器件不僅具有良好的光傳輸特性、溫度特性、抗輻射能力和其較寬的透明波長范圍，還有望進一步實現晶元與光源、光調制器、光探測器和半導體光放大器等其它光電器件以及集成電路的單片集成；採用gaas gaalas雙異質結材料製作的光開關可以得到較低的開關電壓，而且採用gaas gaalas異質結材料的光傳輸損耗很小。
  19. 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。
  20. This possibility arises because the wavelength of a typical electromagnetic wave ? the characteristic distance over which it varies ? is orders of magnitude larger than the atoms or molecules that make up a material

    這個可能性來自於典型電磁波的波長（亦即電磁波變化的特徵長度） ，要比構成材料的原子或分子大上好幾個數量級。
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