裂孔的 的英文怎麼說

中文拼音 [lièkǒngde]
裂孔的 英文
hiatal
  • 裂 : 裂動詞[方言] （東西的兩部分向兩旁分開） open
  • 的 : 4次方是 The fourth power of 2 is direction
  • 裂孔 : ceasma; gap
  1. For this purpos, from the point of the log geology, aimed at the actuality of the current fractured reservoir log geology interpretation and evaluation, based on synthetical analysis of the current domestic and foreign fruit of fractal dimension investigation of reservoir fracture, using the method and technique of fractal dimension, through the further discussion of the fractal dimension characteristics of m index and n index in the log interpretation archie model in a sample way and through the theoretic reasoning to the fractal dimension dfa and m index of fractured reservoir interval ' s log curve, according to the geophysical signification of the fractal dimension dfa of fractured reservoir interval ' s log curve shape : the more complicated the change of the curve shape is, the larger the its dfa value is, then the more complicated space structure of fracture and pore, then the higher value of m index of space structure of fracture and pore, and so on, the text propounds an improved method, based on box dimension, of covering log curve with scale grid, and by programming computes the dfa and its m index value of fractured reservoir interval ' s log curve, for instance, ac and rt curve, ect, then further puts this technique into application investigation, and makes analysis of application effects in the reservoirs located in l area of qx oil field from three aspects : 1. the dfa and its m index value of fractured reservoir interval ' s log curve, for instance, ac and rt curve, ect, which are derived from computing, is used to identify reservoir type by crossplotting m index with the product df _ acrt of fractal dimension of acoustical wave log curve and restivity log curve and by experiential discriminance plate of reservoir type in l area of qx oil field

    因此，對該區裂縫性儲集層的類型識別、孔滲特徵的測井地質解釋以及儲層裂縫的發育和分佈規律進行深入的研究便成為本文研究的出發點。為此，本文從測井地質的角度，針對當前裂縫性儲層測井地質解釋與評價的現狀，在綜合分析當前國內外儲層裂縫的分形分維研究成果的基礎上，利用分形分維方法和技術，通過對archie測井解釋模型中的m指數、 n指數的分形分維特性的深入淺出的論述以及裂縫性儲層段測井曲線分維d _ （ fa ）與m指數的理論推導，根據裂縫性儲層測井曲線形態分維值的地球物理意義? ?曲線變化越復雜，則其分維值d _ （ fa ）越大、裂縫孔隙空間結構越復雜、裂縫孔隙空間結構指數m值越高等特徵，提出了改進的基於盒維數的測井曲線網格覆蓋法，編程計算了裂縫性儲層段常規測井曲線（如聲波和電阻率曲線）上分形分維值及其m指數值，進而從以下三個方面對qx油田l區塊的裂縫油藏進行應用研究，效果十分理想： 1將計算得到的可變的m指數與聲波和電阻率分維之積df _ acrt進行交繪，採用儲層分維值分類技術統計分析這些參數變化的規律，並結合qx油田l區塊儲層類型經驗判別圖版，從而實現qx油田l區塊下白堊統的裂縫性儲層的類型識別。
  2. A conc1usion can be drawn that these algorithms has better preci si on and fitting for the multi - - beam swath bathymeter system better on the condition of 1arge beam ang1e, and can improve the precision of edge beams in non - - specu1ar seabed region

    證明bdi和分裂孔徑相關法可以精確地對海底回波信號進行回波時延估計和方向估計，可提高非鏡向海底區域的邊緣波束的測量精度。
  3. The results show that " the frame - pack rolling " technology can increase the densify, avoid cracking during rolling, and effectively improve the deformability and mechanical properties of the spray deposited porous aluminum alloy sheets

    結果表明：外框限制軋制工藝提高了噴射沉積多孔材料的緻密度，避免了軋制過程中裂紋的形成，有效地改善了噴射沉積板坯的軋制性能及材料的力學性能。
  4. The effect of emergency pyramidal and transtentorial incision in treating cerebral hernia due to severe and special advanced craniocerebral trauma

    天幕裂孔切開術治療重型特重型顱腦傷腦疝的療效分析
  5. This paper mainly aims at the strategic demands for large - aperture lightweight mirror proposed by high - tech development. its main research contents are : select material blank for lightweight mirror according to physical and chemical properties of optical glass ; analyze and calculate the deformation quantity of the mirror with finite element method ; design and optimize mirror body structure of 400 lightweight plane mirror and 450 lightweight spherical mirror, analyze glass cutting principle, design specisl - use grinding wheel structure, select reasonable technological parameters to implement the processing of weight reduction holes on 400 plane mirror ; analyze etching mechanism of hydrofluoric acid, look for the technological parameters such as the optimal acid concentration and etching time etc. ; eliminate the stress of weight reduction holes and micro - cracks on 400 lightweight plane mirror ; discuss the processing principle and

    本論文的研究主要是瞄準國家高技術對大口徑輕型鏡的戰略需求而開展的。主要研究內容是：根據光學玻璃的物理與化學性能，選擇輕型鏡坯材料；用有限元法對鏡子的變形進行分析、計算，找出變形規律，優化設計400mm輕型平面鏡、 450mm輕型球面鏡鏡體結構；分析玻璃切削原理，設計專用磨輪結構，選擇合理工藝技術參數，完成400mm平面鏡輕量化減重孔的加工；分析氫氟酸腐蝕光學玻璃機理，尋找最佳酸濃度、腐蝕作用時間等工藝參數，實現400mm平面鏡減重孔應力與微裂紋的消除；討論分離器加工原理和工藝技術特點，完成400mm平面輕型鏡面形加工。
  6. The mode stress intensity factor is deduced by considering the case in which the minor axis vanishes when the ellipse degenerates to a griffith crack

    並利用所獲得的橢圓孔洞結果推斷出班型裂紋的應力強度因子。
  7. Explosives for civil uses - propellants and rocket propellants - determination of voids and fissures

    民用爆炸物.推進劑和火箭推進劑.氣孔和裂縫的測定
  8. Explosives for civil uses - propellants and rocket propellants - part 5 : dermination of voids and fissures

    民用炸藥.推進劑和火箭推進劑.第5部分:孔隙率和裂縫的測定
  9. Selection of treatment of highly myopic macular hole retinal detachment

    高度近視眼黃斑裂孔性視網膜脫離手術方法的選擇
  10. Effect of different surgical methods for retinal detachment with macular hole

    不同術式治療黃斑裂孔視網膜脫離的臨床觀察
  11. Lens - sparing vitreoretinai surgery for treatment of giant retinal tears

    保留晶狀體的玻璃體視網膜手術治療巨大視網膜裂孔
  12. Analysis results of histogram statistics and section electron microscopic scan technique, are that fracture feature of the cracks of the hbbb is similar and the crack is multi - source strain fatigue one. internal defects of the cast, such as impurities, gas holes, etc, are the main causes for early cracks. the contrast analysis of static strength, model and transient respond on three structures with fem proves that geometrical stress concentration in partial area has influence on early crack, also

    利用直方圖等統計方法和電鏡掃描技術對該抱軸箱體裂紋分析的結果是：抱軸箱體的裂紋斷口特徵相近，裂紋性質屬于多源性低周疲勞裂紋，鑄件中的夾雜、氣孔等內部缺陷是導致過早裂損的主要原因；利用有限元法對該抱軸箱體三種結構的靜強度、模態和動態響應對比分析，證實了局部幾何性應力集中對過早裂損也有一定影響。
  13. All holes were positioned at the tip of the crack.

    所有的孔都位於裂紋的尖端。
  14. A separation, an aperture, a fissure, or a short passage in an organ or a body part

    裂孔，孔器官或身體部位中的孔隙、隙縫、裂隙或通道
  15. Based on certain theoretical analysis and toward thick recast layers and flaw ’ problem in laser drilling, adopting high power and high quantity laser carry experimental research

    並在理論分析的基礎上以及針對激光打孔中出現的再鑄層和微裂紋等問題，採用研製的具有切割功能的高功率高光束質量的激光器，進行了激光打孔的實驗研究。
  16. In this paper, we use fft beam - - form technique to increase the number of beams and bearing deviation indicator ( bdi ) and sp1 it - - aperture corre1ation a1gorithms are used to estimate the time of arrival ( t0a ) and direction of arriva1 ( d0a )

    本文在分析借鑒國外資料的基礎上，研究了利用fft波束形成技術來增加波束形成數目，並應用bdi演算法和分裂孔徑相關法來完成對海底回波信號的時間和方向的聯合估計等相關技術對海試數據進行處理。
  17. Results also suggest that there were no risk factors for development of idiopathic macular hole in patients associated with medical problems such as hypertension or with ocular conditions such as glaucoma

    我們配合螢光眼底攝影，視野檢查等，來探討此疾病的?別診斷，裂孔的演變，可能的治療，並且強調健眼的臨床變化及有否相關危險因子的存在。
  18. Firstly, according to the observed data in - situ ( or the empirical parameter data ) and the acoustic logging data, the distribution law of the joint in the computing area can be got. then the network system of the joint can be simulated by the statistical distribution theory and the monte carlo ' s method. and then artificial or automatic dissection program can be used to dissect the fem mesh

    首先，根據現場實測資料（或相關經驗資料）和鉆孔聲波資料，求出計算區域的節理裂隙的分佈規律，由統計分佈理論結合蒙特卡洛方法可模擬出計算區域的節理裂隙網路系統，利用人工或自動生成剖分程序剖分成有限元網格。
  19. Abstract : fatigue cracks in ship hull structures are most likely to occur in the highly stressed structural details. the conventional fatigue analysis is largely dependent on the determination of stress concentration factors ( scfs ) at the locations considered. this paper is concerned with the stress concentration of cutout in transverse web for longitudinal stiffener. a series of finite element models is carried out for the stress analysis of predefined structural details. the tabulated scfs of typical cutouts ( abs tanker rules ) in transverse web for longitudinal stiffeners are presented based on the finite element analysis ( fea ) results

    文摘:疲勞裂紋往往發生在船舶結構的局部高應力區，而疲勞分析結果通常取決于任何準確確定結構的應力集中系數.本文研究為鋪設縱骨而在艙壁板上開孔的應力集中，採用有限元方法對預先給定的結構進行應力分析，基於有限元計算結果給出了艙壁板典型開孔（參見abs油船規范）的應力集中系數表
  20. The fellow eye of 11 patients had abnormal macular appearance, 4 presented with macular hole, and the others showed irregular surface, central yellowish deposits, mottling change, or pseudomacular hole

    黃斑裂孔的成因是向多數因子所促成，諸如構造的薄弱，血液循環不足，老化，以及玻璃體的牽引等。
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