洞或孔 的英文怎麼說

中文拼音 [dònghuòkǒng]
洞或孔 英文
hollow or cavity into which a ball etc must be hit in various games
  • : Ⅰ名詞(物體上穿通的或凹入較深的部分; 窟窿; 洞穴) hole; cavity Ⅱ形容詞(深遠; 透徹) profound; thorough; clear
  1. Cavernous porosity can take the equidimensional form of vugs or follow channels, but the void dimensions are measurable in meters.

    隙可呈等尺度的溶形態,者呈溶溝形態,但空間大小是以米度量的。
  2. We find that the petrology characteristic of all the samples have no characteristic of meteoric water such as geopetal structure, infiltrative sand, ( uniform cement and gravitational cement on base of the research of the dolomite in the regions. on the dot diagram of combination of mgco3 ( mol % ) and sr, the dot are all close to the line of seawater whether they are microlite - crystalline penecontemporaneous dolostone or diagenetic dolostone of various crystals. the 87sr / 86sr value of dolostone or matrix is less than the one of sparry calcite in cave or vein, and close to the value of seawater

    通過本區白雲巖的研究發現:已有的白雲巖樣品的巖石學特徵沒有顯示出如示底構造、滲濾沙、新月型膠結物和重力膠結物等大氣淡水作用的特徵;在白雲石mgco _ 3mol百分數和白雲石sr含量的投點圖中,無論是準同生成因的泥?微晶白雲巖,還是粉?細晶(中晶,細晶以上的不等晶)的成巖白雲巖,均投在海水線的附近;白雲巖(基質)的~ ( 87 ) sr / ~ ( 86 ) sr比值顯著低於與脈中充填的亮晶方解石,且與海水值十分接近, ~ ( 13 ) c和~ ( 18 ) o值顯著高於脈中充填的亮晶方解石,也偏向于海水值; mn含量則顯著低於脈中充填的亮晶方解石。
  3. Holes or patches in card web

    棉網上有碎片。
  4. When use the fireproof bag to seal and plug the hole of cable, first treat and arrange the cable in the hole, then edge the fireproof bag into the gap between cables, cable and plugging material or floor plate, put it interlaced just as laying bricks or stones and fill it firm and tightness as possible

    在使用阻火包封堵電纜時,先將電纜作必要的整理和排列,然後將阻火包平服地嵌入電纜與電纜,電纜與堵料樓板間的空隙中,像砌磚那樣交錯放置的方法,盡量填充密實。
  5. The ancient xiao was made up of 16 or 24 bamboo pipes of various lengths, each with a hole at the top for the player to blow. these bamboo pipes were then placed onto a bird - shaped stand, an instrument which we now call paixiao. the xiao has a soft and leaving tone, which makes it a suitable instrument for the performance of lyrical works

    古代的簫用十六根二十四根長短不同的竹管,管的上端開有吹,每根竹管只能發出一個音,把它們編排起來后便插入一具木製的鳥翼型座子上,這樂器現稱為排簫。
  6. An object, such as a cork or a wad of cloth, used to fill a hole tightly ; a stopper

    塞子;栓子用來填緊的物體,如軟木塞一團布;塞子
  7. The symptom is that the leaf of kelp is white, rotten or forms the irregular hole

    病狀為葉片變白、腐爛形成不規則。防治措施:下調養殖水層。
  8. The legend : the opal was treasured in the middle ages. it was called ophthalmios, or " eye stone ", because it was believed to be beneficial to the eyesight

    產地:充填況積巖中的火成巖中的礦胍,形成石筍鐘乳石,並在化石木動物硬殼和骨骸中取代有機物。
  9. A tapered steel pin for enlarging and aligning holes

    器用來擴大調整的尖鋼針
  10. The reduction factors derived from curve fitting based on calculation results by the finite element program ( ansys ) considering all kinds of damages such as cutouts, corrosion, cracks, denting, initial deflection and residual stress are introduced to modify the effective width of perfect panel in the present paper

    本文考慮板中可能存在、腐蝕、裂縫、局部撞損和初始焊接變形殘余應力等損傷和初始缺陷,對不同的損傷形式用有限元程序( ansys )進行大量的計算,通過曲線擬合的方法引入折減系數對完好板格的有效寬度進行修正。
  11. An opening covered with a grating

    格柵用格柵擋住的洞或孔
  12. Seismic wave field feature of ordovician carbonate karst reservoir ( cave, reef, hole, crack and cranny ) in tahe oil field is the difference magnitude diffraction wave over weak reflection amplitude, so, the diffraction wave exact imaging and fidelity amplitude processing is the basic of carbonate karst reservoir study

    摘要塔河油田巖溶儲集體(穴、礁灘、、裂縫裂隙等)的地震波場特徵是弱反射背景之上的強弱不同的繞射波,因此,繞射波準確歸位成像和振幅保持是研究巖溶儲集體的基礎。
  13. Secondly, the effect of transverse deforming on the property of the wedge pressing was studied. the results showed that : the wedge pressing stock with the transverse deforming amount of 10 % acquired the best performance. the highest density got the biggest rate of slope while with the amount of 30 % the curve was more some special structure and performance as following : the large porosities was crushed into small or linear ones with the high - direction deformation amount of 20 % ; as the increasing of the high - direction deforming, the particles got a further deforming, the porosities got a further crushing, the small porosities were mergered by the large ones and the former then disappeared ; when the amound reached 60 %, the quantity of the porosities would obviously decrease which made the materials compact, the microstructure more uniform and the density and hardness curves more horizontal, the relative desity could reach 99. 7 %, the tensile strength b of the as - compacted samples reached 408mpa with the yield strength s teached 289mpa and the elongation percentage reached 13. 6 %. in addition, the microstructure of the wedge pressing stock under the pressing temperectureof 450 was uniform, the porosities and the boundries of the grains basically disappeared and the conjunction between particles was great

    採用雙向楔形壓制,大尺寸噴射沉積5a06鋁合金楔壓坯的組織和性能變化具有如下特點:當高向變形量為20 %時,大的變形破碎為小的呈線狀;隨著高向變形量的增加,顆粒進一步變形,進一步破碎,大「吞併」小,小塌陷並逐步消失;當高向變形量達到60 %時,量大為減少,材料基本緻密,組織趨于均勻,楔壓坯料的密度、硬度變化曲線接近水平線,坯料的相對密度達99 . 7 % ,抗拉強度_ b = 408mpa ,屈服強度_ ( 0 . 2 ) = 289mpa ,延伸率= 13 . 6 % ;對比其它的壓制溫度,在450楔形壓制的坯料組織均勻,及顆粒邊界基本消失,顆粒之間冶金結合良好。
  14. Suggestions while all holes in the wood have been previously dealt with, sometimes during construction the wood may be damaged. in that case, wood preservative must be applied to the holes or the cutting face. all planks of wood should be joined by zinc - coated or stainless steel parts. all this increases the shole structure ` s ability to being eroded

    在可能的條件下,所有的在真空加壓處理前預先處理完成,如確需在安裝現場加工的,應使用相應的防腐劑充分塗刷所有切痕,;所有的連接件應使用鍍鋅不銹鋼五金製品,以增強木結構工程整體的抗腐力。
  15. We analyze the positive and negative lens effect caused by the hole theoretically and give the expression of normalized transmittance in this condition

    本文從理論上分析了因而產生的正透鏡負透鏡效應並給出了歸一化透過率的表達式。
  16. The re - suits demonstrate that the carbon fibers which have serious skin - core structure, few graphite layers which intricately piled up have low mechanical properties

    結果表明,造成碳纖維力學性能低的直接原因可以歸結為嚴重的皮芯結構、芯部組織疏鬆出現、晶相少且無明顯取向、石墨層排列紊亂。
  17. So, the probability of adsorption of ldl to adsorbents increases in the presence of ca2 +. in addition, an octahedral coordination geometry that is beneficial to the adsorption for ldl may be formed around a calcium ion between neighboring sde ligands immobilized on paa

    另外,從空間構象來考慮,當向吸附體系中加入caz 」后,固定於載體表面內的多個相鄰配體及其間隔臂分子圍繞鈣離子可能形成一個有利於l l結合的八面體結構,這樣也利於本吸附劑對ldl的吸附。
  18. Along with increase of pressure, the parameters such as velocity, amplitude, main frequency and quality factor of seismic wave change big gradually, while change very weakly with the change of temperature. through testing research for artificial crack and pore model, we conclude that crack density, azimuth, opening and the change of pore have obvious influences on speed, amplitude, attenuation ( or quality factor ) and main frequency of seismic wave etc. but, seismic wave dynamic characteristics are more evident than its kinematical characteristics for the change of crack and pore parameters. therefore, it offers reliable experiment foundation for detecting crack and pore by seismic wave kinematical characteristics ( such as amplitude, attenuation and main frequency etc. )

    通過對人工裂縫和模型的超聲波實驗研究,可以認為:裂縫密度、方位、張開度和密度的變化對縱橫波的速度、振幅、衰減(品質因子q )和主頻率等參數均有明顯的影響,但裂隙參數的變化對地震波動力學特徵參數(振幅、衰減、主頻率等)的影響遠遠大於對運動學特徵參數(速度等)的影響,這為利用地震波的振幅、衰減和主頻率等屬性參數進行裂縫和特徵的檢測提供了可靠的實驗基礎。
  19. The fracture energy of cu / - aiodiffusion - welded joints was greatly increased by the introduction of the thin film nb interlayer whereas diffusion welding can be performed at a relatively low temperature ( 900 ). the increase in fracture energy of the joints with nb film interlayer was attributed to the strong abhesion of nb to - aio combined with larger plastic deformation in the metal side during fracture tem observations showed large amounts of dislocations existing at the interfacial regions

    本文主要內容就是概括地介紹了國內外關于擴散連接接頭行為數值模擬的發展現狀;主要包括界面消失過程、接頭元素擴散與反應層的形成、接頭變形與應力行為的數值模擬,以使人們能夠定性半定量的分析擴散連接因素對接頭性能的影響。
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