長徑 的英文怎麼說

中文拼音 [zhǎngjìng]
長徑 英文
major axis
  • 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;...
  • 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...
  1. And the technique index is the 8 : 1 depth - diameter aspect ratio

    其技術指標為長徑比高於8 : 1板材深引伸技術。
  2. For increasing the effective material peak - value power ( empvp ), solving the contradiction between enhancing the pmsm ' s flux - weakening capability in the electromotor state and reducing the pmsm ' s connatural adjustment ratio in the dynamotor state and improving the efficiency of the pmsm, some solving method are taken as follows : the influence of length / diameter ratio to the empvp is analyzed, and the optimum size of length and diameter is chosen

    主要是從提高電機的有效材料峰值功率、解決pmsm提高電動機運行狀態時的弱磁擴速能力和減小發電機運行狀態時的電壓調整率之間的矛盾及提高電機的效率著手，分析了長徑比、氣隙長度對有效材料峰值功率的影響，並確定了它們的最佳尺寸。
  3. A hundred and ninety - four test pieces are tested which involved six kinds of slenderness ratios and five cubic contents, and studies are done on the influence of cubic content and slenderness ratio to compressive strength, split strength and flexural strength of concrete, which lays the foundation of further study

    完成了涉及6種長徑比和5種體積摻量的194個試件的試驗，對短切玄武巖纖維體積摻量、長徑比等因素對混凝土抗壓、劈拉、彎拉強度的影響進行研究，積累了大量的數據，為進一步研究奠定了基礎、積累了經驗。
  4. Since the discovery of cnt ’ s and find that cnts have small diameter and high length diameter ratio and can be look as one - demission material, it can be used as emission emitter of fed. especially, the aligned cnts array can be seen innumerable single cathodes which are lined regularly and form array. so growing aligned cnts array in selective area is the key technology to product cnts fed, which is also the necessary condition of cnts micro - electronics device

    自碳納米管發現以來，由於碳納米管的直徑很小、長徑比大，故可視為準一維納米材料，可作為場發射平板顯示的尖端發射體，特別是定向碳納米管陣列可看成是無數根單尖陰極規則的排列起來形成陣列式，是理想的場發射平板顯示器的尖端發射體。
  5. Without considering other aspects, carbon nanotubes with the same aspect ratio have entirely uniform trend in charge density relative distribution curve

    在忽略其他條件影響下，長徑比相同的碳納米管，電荷密度相對分佈曲線趨勢完全相同。
  6. The most feature of the orbits of near - earth asteroids ( neas ) is that the semi - major axes of the orbits are nearly equal to that of the earth or the perihelia distances are approximate to or even less than the mean distance between the sun and the earth, thus they could move into inside of the earth ' s orbit, so that they might close approach or even colliside with the earth ( or other planets, such as the venus, the mars, etc. )

    近地小行星軌道的最大特點是其軌道半長徑與地球軌道半長徑相近，或近日距離接近甚至小於日地平均距離，其運動可深人到地球軌道的內部，這將導致該類小行星與地球（還有金星、火星等）十分靠近甚至發生碰撞。
  7. The asteroids are the most important small bodies in the solarsystem, and they mainly lies in the two locations - a main belt between the mars ' s orbit and the jupiter ' s and the near - earth space. the most feature of the orbits of near - earth asteroids ( neas ) is that the semi - major axes of the orbits are nearly equal to that of the earth or the perihelia distances are approximate to or even less than the mean distance between the sun and the earth, thus they could move into inside of the earth ' s orbit, so that they might close approach or even colliside with the earth ( or other planets, such as the venus, the mars, etc. ). the characteristic brings about some difficulties in the numerical research during their orbital evolution, which leads to the failure of the normalization technique in the general removal impact singularities of celestial mechanics methods and the symplectic algorithm which is successfully applied to the investigation in quality. by comparing the computation effects of several common numerical methods ( including symplectic algorithm ), and considering the nature of the movement of the small bodies, the corresponding treatments are provided here to improve the reliability of the computation

    小行星是太陽系最重要的一類小天體，主要分佈在兩個區域；火星和木星軌道之間的一條主帶和近地空間.近地小行星軌道的最大特點是其軌道半長徑與地球軌道半長徑相近，或近日距離接近甚至小於日地平均距離，其運動可深入到地球軌道的內部，這將導致該類小行星與地球（還有金星、火星等）十分靠近甚至發生碰撞.這一特徵給其軌道演化數值研究帶來一些困難，包括天體力學方法中一般消除碰撞奇點的正規化處理以及對定性研究十分成功的辛演算法都將在不同程度上失效.通過對幾種常用數值方法（包括辛演算法）計算效果的比較，根據小天體運動自身的特性，給出了相應處理措施，從而可提高計算結果的可靠性
  8. The radar negative radial velocity - cool colours with a typical width of 1 km were seen downwind of nei lak shan and cheung shan from time to time

    在彌勒山及象山的下風位置，不時見到約一公里寬的狹長徑向風朝向雷達反徑向風冷色。
  9. The radar ( negative radial velocity - - cool colours ) with a typical width of 1 km were seen downwind of nei lak shan ( nls ) and cheung shan ( cs ) from time to time

    在彌勒山及象山的下風位置，不時見到約一公里寬的狹長徑向風朝向雷達（反徑向風冷色） 。
  10. The article primarily described the preparation technology and function token of ceramic fiber composite microporous membrane. which main include : the choices of ceramic fiber, the preparation and dispersion of ceramic fiber which the rato of long path can be controlled, preparation technology and function of the microporous ceramic support, the chemistry constitutes of the ceramics fiber composite membrane and the influence of the every kind of factor on the membrane function, the vacuum forming technology of ceramics fiber composite and the influence of the every kind of factor on the membrane function, and the microstructure of the ceramics fiber composite microporous membrane was analysised by the scanning electron microscope ( sem )

    本文主要描述了陶瓷纖維復合微濾膜的制備工藝及性能表徵，其中主要包括：陶瓷纖維的選擇、可控長徑比的陶瓷纖維制備及分散工藝、陶瓷纖維膜支撐體的制備、膜組分配方及各組分配比對材料性能的影響、陶瓷纖維膜的真空抽濾成型工藝及各工藝參數對膜材料性能的影響等，並對陶瓷纖維復合微濾膜的顯微結構進行了掃描電鏡分析。
  11. Simulation results show that better atomization can be realized by enhancing the cavitation intensity via increasing the injection pressure difference or decreasing the nozzle inlet round angle - radius ratio

    通過模擬計算可知，提高噴射壓差和減小噴孔入口圓角半徑都可以提高空穴強度，同時也發現提高噴孔長徑比可以使空穴在噴孔出口截面上分佈更為均勻。
  12. Based on this model, the effects of geometric and structural parameters, such as injection pressure, rear pressure, length - diameter ratio, inlet round angle - radius ratio and non - axis symmetry of nozzle, on the distribution of the cavitation inside the nozzle are analyzed

    基於這一模型進一步分析了噴射壓力、背壓和噴孔長徑比、噴孔入口圓角比、非軸對稱噴孔等幾何結構參數對噴孔內空穴分佈的影響。
  13. For each fedding treatment, the longitude and latitude of the root egg, the number of egg chambers with each developmental grade all changed in a parabola model. the results from native page indicated that there were two specific protein i. e. vitellogenin ( vg ) or vitellin ( vn ) in the female wasp of n. vitripennis

    同一種餵食處理中，卵巢長度的時間動態幾乎都無變化； 1級卵子數、 2級卵子數和成熟卵子數的變化，是拋物線變化趨勢，即先增加，然後減少；基部卵子短徑和長徑也是拋物線變化趨勢。
  14. An enemy commander announced, " the length of blockade trenches in north china is six times that of the great wall, or one - fourth of the circumference of the earth.

    據敵酋宣布： 「華北封鎖溝的長徑等於長城的六倍，環繞地球一周的四分之一」 。
  15. The effects of r / h ratio, l / r ratio and cone angle on the dynamic response of the conical shells are discussed in this section

    分析了圓錐殼結構的徑厚比、長徑比及錐角變化對結構應力響應的影響。
  16. 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。
  17. Shape - coefficient can be determined by the ratio of the particle length

    顆粒形狀對分級的影響可以通過測量顆粒的長徑比來確定形狀系數。
  18. Sem, transmission electron microscopy ( tem ), x - ray energy - dispersion analysis ( edax ), xrd, electron diffraction ( ed ) and high - resolution electron microscopy ( hrem ) were used to investigate the morphology, atomic composition and crystal structure of the nanowires. the hexagonal cdse nanowires with single crystal structure have been obtained in dmso under 140. ( 3 ) semiconductor te and cdte nanowires embedded in aao templates were fabricated for the first time by dc < wp = 7 > electrodeposition in ethylene glycol

    Sem 、 tem 、 edax 、 xrd 、 ed 、 hrem分析的結果表明，所得cdse納米線為六方晶型，晶體的（ 001 ）晶面沿平行於基底的方向擇優生長，且隨沉積溫度的降低，這種擇優生長的趨勢越來越強；納米線晶體在生長時，由於受aao模板孔徑的限制，形成c軸方向拉長的晶粒，其長徑比達5 1以上；晶體的大小和完善程度隨沉積溫度的降低而增大， 185沉積得到多晶六方cdse納米線，而140沉積時可得到六方cdse單晶納米線。
  19. The sealing property problem for the stirring shaft of high - speed pressured reaction axe with large length to diameter ratio is always a difficult problem to study for design era and users

    摘要高速大長徑比壓力反應釜攪拌軸密封性能問題一直是設計者與使用者研究的難題。
  20. The experimental research verified that this method had probed a new way for solving the sealing problem of stirring shaft of high - speed pressured reaction axe with large length to diameter ratio

    實驗研究證明，該方法為解決高速大長徑比壓力反應釜攪拌軸密封問題探索了一種新途徑。
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