面空泡 的英文怎麼說

中文拼音 [miànkōngpāo]
面空泡 英文
face cavitation
  • 面 : Ⅰ名詞1 （頭的前部; 臉） face 2 （物體的表面） surface; top 3 （外露的一層或正面） outside; the ri...
  • 空 : 空Ⅰ形容詞（不包含什麼; 裏面沒有東西或沒有內容; 不切實際的） empty; hollow; void Ⅱ名詞1 （天空） s...
  • 泡 : 泡Ⅰ名詞1 （氣泡） bubble 2 （像泡一樣的東西） sth shaped like a bubble Ⅱ動詞1 （較長時間地放在液...
  • 空泡 : [醫學] vacuole; physalides; vacuolus
  1. They are double - layered compound films of air cushion type, which are exteuded of ldpe. they are mainly used as anti - shock packing supplies of meters, in struments, and fragile goods, atahey can also be used as shock absorption packing supplies for electronic, food and hardware industries, and mol plastic articles, arts and crafts products and daily use artcles, etc. the company can produce ageat variety of air cushion bag products, such as single of double sided winding air cushion products / shapud bags

    產品描述：採用聚乙稀ldpe為原料，經擠出雙層膜真空復合成型的氣墊薄膜（簡稱汽泡膜） ，產品主要用於儀表、儀器、易碎、易損物品的防震包裝及電子行業、食品、工藝品、五金、注塑件、日用品等行業的減震包裝，可生產單面、雙面汽泡卷材、成型袋，普通中泡直徑10 ? ，並可生產直徑25 ? 、 30 ?的超大汽泡膜。
  2. The steady dead generation and time that was caused by the isolated virus was certain by chicken embryo which was inoculated on seven or nine days. the histopathological changs of the infectious stunting syndrom were studied by the way of ordinary paraffin section and he dying. the experimental result were as follows : the test proved that the changes of the chicken embryo were different in different stage. the chicken embryo dead in a week after it inoculated. the body was dropsy and hemorrhage. dead before it hatched out, the embyo body were dropsy, pale and slime. the liver was yellow and swolled, gallbladder ( vesica fellea ) was filled with bile. bursa and glandula thymus analosis. the kindey dropsy. bowel lamina were humble, dilatation. gas and yellow foam were filled the bowel. histopathological changes were that, in early stage, obvious changes of liver and kindey were dropsy, hemorrhage and necrosis. two types eosinophilic intranuclear inclusion bodies including large round and little granular were present in cells of the above organs. the obvious changes of bursa were dropsy, adverse folliiculated growth and little lymphocytes proliferating, 19 - 21 days chicken embryo, one or two big empty vacuoles were prensent in cells of liver and kindey. the number of the folliculi was growing, the vacuoles between cells were larger

    膽囊充盈、其內充滿稀薄的膽汁；法氏囊、胸腺萎縮，腸道擴張、腸壁菲薄、內充滿氣體及黃色泡沫狀物；腎臟腫大。病理組織學變化方面，早期肝臟、腎臟、腸主要以出血、水腫和壞死為主，且肝細胞核及腎小管的上皮細胞核內均發現有核內包涵體，包涵體呈嗜酸性，為大型圓形包涵體或不規則的顆粒狀；法氏囊則以水腫、濾泡發育不良、小型淋巴細胞數量增多為主。 19 21日齡雞胚肝細胞、腎小管上皮細胞的胞漿內出現1 2各大的空泡，法氏囊濾泡數目增多細胞間有較大空隙。
  3. Moreover, the resulted prediction model of foam size of the closed cell aluminum foam was verified by comparison to the experimental results from the foaming process at different foaming conditions, and the predicted bubble diameter is in good agreement with the experimental ones, the relative error distributes between - 5. 04 % and 6. 32 %

    當入射空氣的壓強、氣流量，液面高度，出氣孔直徑增大時，氣泡直徑隨之增大；當出氣孔數量，液體粘度增大時，氣泡直徑減小，表面張力對氣泡直徑的影響可以忽略不計；靜態條件下液體表面氣泡直徑的預測值和實驗測量值符合得較好，相對誤差分佈在- 5 . 04 % ~ 6 . 32 %之間。
  4. The extend work of my doctoral research is introduced in the part. problems of cavitation noise are investigated with three methods such as theory analysis, numerical simulation and experiment research. mixed boundary element method is put forward to solve acoustics of bubble collapse by author

    第二部分：空化噪聲研究該部分工作是作者博士期間工作的延續，對空化噪聲問題從理論分析方面、數值模擬及實驗三方面進行研究，應用作者提出的混合邊界元方法求解了空泡在邊界附近潰滅時的輻射噪聲問題。
  5. Due to its complexity of the problem, the theories and experiment results obtained are discrepant, and some of them are even contrary one another. started from the influence by movement rules of small cavities and solid particles, the mechanisms of combined effect of cavitation and sand abrasion are study in this thesis from the aspect of the turbulent coherent structure near the wall. first, a dynamic equation is established for a single spherical bubble and single spherical sand under the non - turbulent coherent structure near the wall, and then a dynamic equation established under the turbulent coherent structure near the wall

    首先從理論上推導出在典型湍流邊界層模式的非擬序結構下空泡與固體顆粒的近壁區運動方程，然後推導出湍流近壁擬序結構作用下的空泡與固體顆粒的近壁區運動方程，再將兩種不同條件下的的運動方程進行比較，指出湍流近壁區的擬序結構對空蝕與磨損的發生具有決定性的意義，即正是由於擬序猝發作用的存在，才使得空泡、沙粒對壁面的空蝕與磨損作用得以發生。
  6. This paper presents a design method of propeller blade section operating in non - uniform flow field and an idea of equivalent operating curve with unchanged cavitations characteristic on blade section, the method for selecting the curve is set up

    摘要給出了非均勻流場中螺旋槳槳葉剖面的設計方法，提出了保持剖面空泡特徵不變的等效運轉曲線的思想，並創建了等效運轉曲線的確定方法。
  7. The unknown source strength of cavitation is always arranged on the propeller blade surface in the solving process, but the integration is carried out along the cavity surface of last iterative step when the strength of cavitation dipole is determined according to dynamic condition

    求解過程中待求的空泡源強始終布置在槳葉表面上，而在根據動力學條件求解每一步的空泡麵元偶極子強度時，積分是沿著上一步迭代確定的空泡表面進行的。
  8. The main pictures are as follows : distended rough endoplasmic retieula ; remarkably decreased number of rough endoplasmic relicula and degranulstion ; dilatated and vacuolized smooth endoplssmic reticola ; swollened nad deformed mitochondria ; destroyed structure of mitoehondria ; remarkable decrease in glycogenosomes, even disapparence of glycogenosomes

    主要表現為：粗面內質網擴張，數量明顯減少，並有脫顆粒現象；滑面內質網擴張呈空泡狀；線粒體腫脹、變形，結構遭到破壞；糖原顆粒明顯減少，甚至消失。
  9. When the propeller operates in the spatially non - uniform velocity field behind the ship, the unsteady cavitation on the blades often causes the vibration of ship structure, the propeller noise and the cavitation erosion on the blade

    在船尾非均勻流場中工作的螺旋槳，常常由於槳葉上產生了非定常空泡，導致船尾振動和螺旋槳噪聲，致使槳葉表面出現空泡剝蝕。
  10. Then this model is chose to compute the cavitating problem. the panel method employs sources to solve the problem of partially - cavitation and super - cavitation for axisymmetric body. the sources are distributed on the bodies and cavity surfaces

    通過在回轉體表面和空泡表面分佈源匯的方法，建立了求解回轉體局部空泡與超空泡流場的數值方法。
  11. Presently most of the theoretical method to predict the propeller - induced hull pressure fluctuation is based on the calculation method in which the pressure is induced by pulsating source in infinite flow. the calculation method is adopted and the corresponded computer program is complied. the propeller - induced hull pressure fluctuation due to blade thickness, blade load, cavity thickness and the change of the cavity volume can be analyzed respectively in the computer program

    目前，螺旋槳誘導的船體表面脈動壓力的理論預報方法，大多是以無限流場中點脈動源誘導的周圍流場的脈動壓力的計算方法為基礎的，本文採用該方法編制了計算程序，可以分別考慮槳葉厚度、槳葉負荷、槳葉上空泡厚度及其體積變化在船體表面指定位置上產生的脈動壓力。
  12. With the fund item sponsored by the national laboratory of hydrodynamics, the study on measurement method of propeller - induced pressure with using self - propulsion model has been carried out in depressurized towing tank

    在脈動壓力的模型測試研究方面，本文在水動力學國家重點實驗室基金項目的資助下，對在減壓拖曳水池中利用自航模進行空泡螺旋槳誘導的脈動壓力的測試方法進行了研究。
  13. The prediction of propeller - induced hull pressure fluctuation in non - uniform flow is studied by using theoretical calculation and model experiment systematically. an intact method and computer program for the prediction of unsteady cavitating propeller - induced hull pressure fluctuation in non - uniform flow is set up in this paper. the measurement of propeller induced hull pressure fluctuation in depressurized towing tank carried out in this paper is the first time inland

    本文從理論計算和模型試驗兩個方面系統地研究了不均勻流場中螺旋槳空泡誘導的船體表面脈動壓力的預報問題，建立了一套完整的預報非定常空泡螺旋槳誘導的船體表面脈動壓力的方法和程序，並在國內首次完成了在減壓拖曳水池中進行空泡螺旋槳誘導的船體表面脈動壓力測試。
  14. To avoid or reduce these trouble induced by the unsteady cavitation, the theoretical design method for propeller and the blade section with the good cavitation performance are adopted to enlarge the cavitation bucket width and control the range and type of the cavitation on the blade. this enables propeller to operate in the non - uniform ship wake rather well

    為了避免或減緩空泡帶來的危害，採用螺旋槳理論設計方法和空泡性能優良的槳葉剖面來增加空泡斗寬度和控制槳葉空泡范圍及空泡類型，以適應非均勻流場中螺旋槳工作的需要。
  15. This paper has presented the calculation formula and numerical solution methods to determine the range and volume of partially cavity, supercavity by using surface panel method, and has predicted the range and volume of unsteady cavitation of propeller by using surface panel method for the first time inland

    本文敘述了應用面元法確定非定常螺旋槳局部空泡、超空泡的范圍和體積的計算公式和數值求解方法，在國內首次應用面元法預報了螺旋槳非定常空泡的范圍和體積。
  16. This paper present an ideal and calculation method of the effective operating curve where cavitations characteristic is not change. based on the lifting - line and lifting - surface method, using effective operating curve to control the cavitation type and " new section " design method to extend the width of cavitation bucket. the width will almost increase 30 % than the common section

    提出了保持剖面空泡特徵不變的有效運轉曲線的思想和確定方法，在升力線和升力面的基礎上，應用有效運轉曲線控制空泡類型，採用「新剖面」設計方法擴大空泡斗寬度，其空泡斗寬度比常規剖面增加近30左右。
  17. Blade section designed based on equivalent operating curve can effectively control the cavitaion area and type, and the desired cavitation performance can obtained

    基於等效運轉曲線設計的槳葉剖面能有效地控制空泡范圍和空泡類型，得到期望的空泡性能。
  18. Through comparison, it can be seen that the turbulent coherent structure near the wall influences directly the striking effect of the bubble and sand. a new proposal is put forward at the end of the thesis that the destruction caused by the combination of cavitation and sand abrasion can be mitigated by means of controlling the turbulent coherent structure near the wall

    最後用有關的結論對過去的空蝕與泥沙磨損聯合作用的一些試驗觀測結果進行了定性的分析、評述，並提出通過控制擬序結構的發生以達到控制空泡、沙粒對壁面的沖擊作用是減輕磨蝕破壞的一條新的途徑。
  19. The main work in this paper includes four parts : the theory research on supercavitat ing axisymmetric bodies, the numerical computations of the pressure and the velocity of the supercavity surface, experimental investigations and computer simulation of supercavitation on axisymmetric bodies

    本文的主要研究工作包括：魚雷超空泡數學模型的理論分析、超空泡表面的壓力和速度數值計算、超空化實驗研究和超空泡可視化模擬四個部分。
  20. The two - phase flow on blade surface by means of charging air is one of technical manners to improve the cavitation performance for marine propellers

    在槳葉表面充氣，以氣液二相流代替單相流動，實現擴大空泡斗，是當前船舶螺旋槳減振降噪措施之一。
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