直徑長度比 的英文怎麼說

中文拼音 [zhíjìngzhǎngdùbǐ]
直徑長度比 英文
length to diameter ratio
  • 直 : Ⅰ形容詞1 （成直線的; 硬挺的） straight; stiff 2 （跟地面垂直的; 從上到下的; 從前到后的） erect; v...
  • 徑 : Ⅰ名詞1 （狹窄的道路; 小路） footpath; path; track 2 （達到目的的方法） way; means 3 （直徑的簡稱...
  • 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
  • 比 : Ⅰ動詞1 （比較; 較量高下、 長短、距離、好壞等） compare; compete; contrast; match; emulate 2 （比...
  • 直徑 : diameter; diam
  • 長度 : length; longitude; size; extent; footage
  1. Through the experimental research, we think : the technological capacity of fiberglass asphalt macadam if weaker than asphalt macadam, however, if use elasticized capacity to solve blending technological problem. adjust the breed of fiber silk, extend its diameter, its paving capacity is still worth exploring, asphalt - rubber macadam structure lager have good deformed - become capacity and crazed - resistance capacity, small gap rate. good water - resistance capacity, good hot - stability and simple construction technology. therefore. pitch rubber spall is a good cover material which is suitable for the second class or lower whose asphalt pavement has split open because of fatigue. and is the good structural measure of preventing half - rigidity grass - roots unit shrink - rift reflecting. pave a thin layer of pitch rubber spall between asphalt - type pavement layer and half - rigidity basic level, although the cost of building is higher than paving togongbu in the middle, the construction technology, crazing - resistance and water - resistance are better than togongbu, not only could reduce greatly the reflex of half - rigidity grass - roots unit material, long then the use lifespan of pavement, but also it is possible to reduce suitably the thickness of asphalt mixture layer, though the cast of building in the early days becomes more, in the long - term opinion, it have fully important technological and economical significance

    通過試驗研究認為：玻璃纖維瀝青碎石的技術性能不如瀝青碎石好，但路用彈性性能較好，如能解決拌和工藝問題，調整纖維絲的品種，增大其直徑，其路用性能仍值得探討，瀝青橡膠碎石結構層具有變形性能和抗裂性能良好，空隙率小，防水性能好，熱穩定性較好，施工工藝簡單的特點，因此，瀝青橡膠碎石是二級及二級以下公路因疲勞而開裂的瀝青路面的良好罩面材料，也是防止半剛性基層收縮裂縫反射的良好結構措施，在瀝青類路面面層和半剛性基層之間夾鋪瀝青橡膠碎石薄層，雖然造價比夾鋪土工布高，但其施工工藝，抗裂性能和防水性能均優于土工布，不僅可以大大減少半剛性基層材料的反射裂縫，延長路面使用壽命，而且可能適當減薄瀝青混合料面層的厚度，雖然初期造價有所增加，從長遠來看，具有十分重要的技術和經濟意義。
  2. Furthermore, referring to the literature and considering the specific experimental conditions given by the research, expression of the change of feed rate with time is presented, to obtain the linear growth of the diameter of pre - sintered glass beads, thus the distribution of beads size is relatively well controlled and raw material is spared in some extent. eventually, during the experiment discrete change of feed rate is implemented, and the practical changes of average diameter are plotted, then the results are compared with the theoretical calculated data

    另外，本文通過對造粒技術、燒結過程的大員文獻調研，結合本研究的具體情況，通過控制進料速率呈連續性變化，基本實現了燒結前球坯直徑的線性生長變化，從而更有利於實際生產中的產品粒度控制以及做到節約用料，並在試驗操作中以離散型進料速率變化來加以比較驗證。
  3. Find the law of the influence from the injection pressure to the filling time and the cavity pressure and make certain of the best filling time, injection time and injection pressure. though the analysis of the flowing velocity and pressure spread of the key position element in the injection parts in different gate position, we forecast the injection parts quality and the possibility injection flaw and its position, optimize the gate position. in this paper, though the research of analogue of the runner system of metal - powder injection molding and the process of injection molding, we get the law of how the injection parameter influence the injection process

    在相同的注射條件下，通過分析喂料在不同直徑和長度流道中的流動規律，得到了喂料在流道中的速度場、壓力場和溫度場，找到了流道長徑比的合理取值范圍，並得出通過改變流道設計可實現對現有設備資源充分利用的結論；給出了不同注射壓力下，型腔壓力與充模時間關系曲線和喂料熔體平均充填速度與充模時間關系的曲線，得到了注射壓力對充填時間和型腔壓力的影響規律，確定了最佳的充模時間、注射時間和注射壓力；通過分析採用不同位置澆口注射時注射件關鍵位置單元的流動速度和壓力分佈，預測了注射件的成形質量，或可能產生的注射缺陷及位置，優化了澆口設置。
  4. Ground - glass joints from different sources may have one of two diameter to length ratios

    不同來源的磨砂玻璃介面可能有不同的直徑與長度之比。
  5. Image analytical instrument is employed to study the section pattern of various deniers precursor fibers as well as quantitatively analyze and contrast their section area, perimeter, roundness and diameter

    採用圖像分析儀研究了不同纖度原絲的截面形態，並對截面面積、周長、圓度、直徑進行了定量分析、比較。
  6. Principal components analysis showed that the first four principal components variance accumulation contribution rate amounts to 89. 53 %, which reflected most of the variance information as listed characters above

    通徑分析結果顯示，直接通徑系數大小排序，產量因素性狀依次為單株成鈴單鈴子棉重子指衣分；纖維品質性狀依次為紡紗均勻性指數麥克隆值整齊度伸長率比強度2 . 5 %跨長。
  7. Furthermore, the growth and the study of self - organized quantum dots structures become more and more important recently, and the application of self - organization technique become wider and wider in this thesis, we address the theory of film growth and the growth technique firstly more, the ways and characteristics of surface detection are prescribed we mainly report the growth process, results and discuss of self - organized quantum dots structures in the a12o3 substrates by s - k mode using ecr - mocvd, in the espd - u device the growth art of ain epilayer which is the preliminary foundation of self - organized gan / ain quantum dots structures, including the substrate cleaning, nitridation, the growth of buffer and the growth of gan and ain epilayer, is discussed we deliberately compare the test result of rheed xrd and afm and achieved the optimalized condition of ain at last we have successfully realized the growth of ain which is much smooth and better crystal quality moreover, we grow the self - organized gan / ain quantum dots structure in s - k mode because the limits of the heater temperature, we can not grow the atom - smooth epilayer of ain until now so we could not grow better quantum dots which have small diameter and big density but the self - organized quantum dots structures with better quality will be realized successfully if the substrate temperature is increased the thesis study belong to my tutor subject of national nature science foundation ( 69976008 )

    本論文主要論述了在espd - u裝置上，採用電子迴旋共振等離子體增強mocvd （ ecr - pamocvd ）方法，在藍寶石襯底上通過s - k模式自組裝生長gan aln量子點結構的生長工藝、結果及討論。而重點分析了自組裝生長量子點之前的aln外延層生長工藝，包括襯底清洗、氮化、緩沖層的生長和gan 、 aln外延層的生長；通過高能電子衍射、 x射線衍射和原子力顯微鏡測試，並且對這些測試結果進行了詳細的比較研究，得出了較優化的工藝條件，生長出了晶質較好、表面較平整的aln外延層；進而採用s - k模式自組裝生長了gan aln量子點結構。由於實驗裝置加熱爐溫度的限制，我們沒有能夠生長出原子級平滑的aln外延層表面，因而沒能夠生長出密度比較大和直徑比較小的量子點。
  8. According to elasto - plasticity theory, with the help of finite - method program ansys, the paper undertakes the computer analogue tests about the bearing capacity of pile tip arranged by orthogonal principle, and attains the relations of pile - tip bearing capacity to embedment depth, pile diameter, cohesion, internal friction angle and modulus of deformation. by the means of mathematical statistic, regression equation of the ultimate bearing capacity calculated by finite element method is gained through the regression analysis of 81 group data from the computer analogue tests. by comparison and analysis of the values calculated by finite - element regression equation and the values of in situ loading test, the regression equation is gained which calculates the size effect for base resistance of large diameter pile

    根據彈塑性理論，運用大型有限元軟體ansys按正交設計理論對樁端承載力進行模擬計算，獲得樁端承載力與樁長（埋置深度） 、樁徑、粘聚力、內摩擦角及變形模量等主要影響因素的關系，並採用數理統計方法，對81組ansys模擬試驗結果數據進行回歸分析，得到有限元法確定樁端極限承載力的回歸公式，並將有限元法回歸公式計算值與現場小壓板載荷試驗值進行比較分析，得到大直徑樁端阻的尺寸效應系數計算公式。
  9. Anthracite - based hsaac prepared by activation with koh, is mainly of micropores smaller than 2nm. we can increase the proportionality of its mesopores ( > 2 nm ) by increasing koh, activating temperature and suitable activating time

    以koh作活化劑制備的無煙煤基hsaac ，其孔徑分佈以直徑小於2nm的微孔為主。增加活化劑的用量，提高活化溫度，適當延長活化時間，可以增加無煙煤基hsaac中孔徑大於2nm的中孔的比例。
  10. At the end of the thesis, we incorporate the influences of all the four parameters - half - length l, radius r, viscosity of the fluid v and the density of the fiber / - into one compound parameter a

    在論文最後，經過綜合分析各參數的影響，得到了一個能概括半長度l 、半徑r 、溶劑流體粘度v和纖維比重這四個參數對纖維直接相互作用過程影響的組合量| a | 。
  11. Based on the comparative analysis of style, stigma size, pod length and width, pod surface area, seed diameter and dry weight between amphidiploids and their putative diploid ancestors, we observed that some accessions of amphidiploids revealed intermediate state between the two putative parents, others resembled only one of the parents

    摘要通過比較分析薹屬多倍體復合種與其祖先二倍體基本種在花柱、柱頭大小、角果長度、寬度、種子直徑及種子干重變化上的異同，發現多倍體復合種在這些發育性狀上表現出處于兩個祖先二倍體親本之間，或只偏向于其中一個祖先親本。
  12. Standard test method for determining the l d ratio of neutron radiography beams

    中子射線照相束長度直徑比測定的標準試驗方法
  13. During the analysis, three non - dimensional parameter is considered : the ratio of the inserting depth of steel pipe to plate ; the ratio of the length of plate to the width of plate ; the ratio of the width of plate to the thick of plate

    分析時考慮了三個無量綱參數，鋼板插入鋼管深度lw與鋼管直徑之比;鋼板長度與鋼板厚度之比;鋼板寬度與鋼板厚度之比。
  14. The technical breakthroughs in growth of nd : cngg had been made. in particular, continuous laser operation was achieved from nd : cngg pumped by ld. when the crystal wafer was end - pumped by one bar of ld with 807nm wavelength, the cw laser output power of 123. 1 mw was obtained with slope efficiency of 22. 3 %

    本論文用自動化熔體提拉技術成功生長出< 111 >方向的直徑25mm以上，長度80mm以上的平界面無核心nd : cngg單晶，確定了晶體結構和物相，測量了晶體的光譜性能，晶體消光比達到34db ，晶體生長技術有新的突破，實現了連續激光運轉，用單支807nm半導體激光二極體端面泵浦該晶體片子，在國內首次獲得123 . 1mw的1 . 062 m連續激光輸出，斜效率達22 . 3 % 。
  15. Abstract by setting up a network model of data aggregation and using a bit - hop metric to quantify energy costs in wireless sensor networks, we formally analyze the problem of area - based data aggregation and obtain that data aggregation will definitely be energy efficient when the relative difference between the average lengths of the two shortest paths, which are from source sensor nodes to the sink and to the aggregation node respectively, is not less than the ratio of data correlation to the number of source sensor nodes

    摘要通過抽象出無線傳感器網路中區域數據回傳的網路模型，定量研究了區域數據聚合的節能條件，證明了先聚合再回傳比直接進行數據回傳所節省的相對路徑長度，如果大於等於數據相關性與源節點個數的比值時，區域數據聚合一定可以節省能耗，並進一步給出了當數據聚合點在網路的不同位置，或數據的空間相關性不同時，區域數據聚合的節能條件。
  16. The bigger the diameter, the high the heat efficiency, but the weak the temperature increasing ability, length has less effect on the heat efficiency, tilt angle has less effect on the flow field and temperature field while it is larger than 30 degree, vacuum degree and emissivity have great effect on the flow field and temperature field while there is a great temperature difference between the liquid in the tube and the surroundings, the furring has less effect on the heat transfer but should be cleaned up in 3 - 5 years because of poor water quality, the higher the solar flux or the more the temperature difference between the liquid and the surrounding, the more the heat loss and the lower the heat efficiency

    分析了各種因素對太陽能真空集熱管流場和溫度場的影響。直徑越大，熱效率越高，但升溫能力弱；長度對熱效率影響不大；傾斜角度大於30后，自然對流已經能夠充分進行，考慮以能夠吸收到最大太陽輻射為主；真空度和發射率對熱效率和溫度場影響很大，尤其是在介質溫度與環境溫度差異比較大時；水垢對傳熱影響較小但由於水質的問題應該被3 5年清洗一次；太陽輻射強度越大，介質溫度與環境溫度差異越大，熱損失越大，效率越低； 4
  17. The content of granule dimension measure include granularity as well as parameter distributing and figure, length - width ratio and length distributing, thick and diameter distributing, the content of orientation include orientation distributing and chart designed

    顆粒尺寸測量包括粒度和粒度分佈參數及圖形；長徑比及長徑分佈，徑厚比及直徑分佈；方位測量包括方位分佈及制圖等。
  18. Based on the processed images, we can do the further computerized quantitative measure of parameters including area, perimeter, integrated optical density, average diameter, shape factor, number of bifurcation and end points, etc. our self - developed and localized system has a reliable property and a high ratio of performance and cost proved by our experiment

    對感興趣區域內的目標自動測量參數，如：面積、周長、綜合光密度、平均直徑、形狀因子、三叉點、端點等。與其它類似系統相比，本系統具有性能穩定，開發成本低，技術性能價格比高的優點，成為國內醫務人員易於掌握與使用的醫學應用系統。
  19. Moreover, six externally prestressed beams which were experimented overseas were analyzed with this method developed, by comparing the calculation result and the experiment data, it is found that the calculating method has a satisfactory precision and is worth being promoted

    利用這一概念，建立了直接通過塑性鉸區長度和曲率半徑求體外預應力筋應力和梁極限彎矩的簡化公式，用簡化公式對國外有關6片體外預應力梁進行了計算，並與試驗結果進行對比，證明本研究中的簡化公式具有較好的精度，值得推廣。
  20. A great deal of research is being devoted to the understanding of systems, biomimetic and otherwise, that self - assemble into organized structures. liquid crystals represent one of the best known classes of self - organizing materials, exhibiting properties that range from surfactants that can form micelles, monolayers, and membranes, to the rodlike molecules used in liquid crystal displays, to the recently discovered disc - like liquid crystals

    卟啉液晶分子是一種共軛大環化合物，其周邊有十二個活性部位可與不同的柔性側鏈相連接，且分子的長徑比與直徑厚度比等均可以調整，因此，可以通過分子設計在卟啉的周邊引入柔性側鏈合成出新型具有期望性質的卟啉液晶材料。
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