尾力 的英文怎麼說

中文拼音 [wěi]
尾力 英文
tail force
  • : Ⅰ名1 (力量; 能力) power; strength; ability; capacity 2 [物理學] (改變物體運動狀態的作用) forc...
  1. The wake survey cannot be used to measure the drag of stalled airfoil or of airfoils with flaps down.

    流測量不能用來測量失連狀態下的冀型或襟翼偏轉后的翼型阻
  2. In order to design the autopilot for a rear controlled missile we must make a first estimate of the required aerodynamic derivatives.

    為了設計部控制導彈的自動駕駛儀,我們必須首先估算一下所需要的氣動導數。
  3. After molting three times, the zoea enter the mysis stage during which they begin to look more like adult shrimp and swim in a characteristic fashion with head and tail pointed downwards at right angles and occasionally performing a sudden retrograde jumping action. this is known as the inversion state, the fry being suspended upside - down in the upper middle region of the pond water. this is, therefore, also called the " inverted suspension phase "

    眼幼蟲脫第三次即進入糠蝦期幼蟲期mysis stage ,此期之體形已略成蝦之狀態,且具特有之游泳姿態,即頭部及部均向下,成一直角彎曲而時作向後跳躍游動,又因成倒立狀態,懸浮於水中的中上層,又叫倒吊期,此期幼蟲對外界的環境因素,如水溫鹽分等變化,比前兩期來得更具適應,主要餌料為豐年蝦brine shrimp的幼蟲,但其他大小略同的動物性浮游生物,如橈腳類copepoda輪蟲類rotifera均可。
  4. Researches of schistosomiasis vaccines have gone more than 60 years, approximately including from the stages of dead vaccine and live vaccine ( irradiated attenuated cercariae vaccine ) to gene engineered vaccine, etc. many different forms of vaccines have been tested in animal models, including gluthathione s - transferase, paramyosin, irv - 5, triose phosphate isomerase, sm23, fatty acid binding protein ; which were considered promising by who / tdr. but none of them steadily accomplished the pre - set target level of 40 % protection. in order to enhance the protective capacity further, it is essential to develop novel vaccine antigens and / or vaccine adjuvants

    血吸蟲病疫苗研究已有60多年的歷史,大致經歷了死疫苗、活疫苗(照射致弱蚴疫苗)和基因工程疫苗等研究階段,產生了一些who / tdr推薦認為很有希望的疫苗候選分子,如谷胱甘肽- s -轉移酶( gst ) 、副肌球蛋白( sm97 ) 、照射致弱疫苗抗原5 ( irv - 5 ) 、磷酸丙糖異構酶( tpi ) 、曼氏血吸蟲膜內在蛋白( sm23 )和脂肪酸結合蛋白( fabp , sm14 )等,但其對宿主的保護作用均不甚理想,未能穩定地達到40或以上的保護水平,因此有必要繼續尋找新的疫苗抗原分子和/或疫苗佐劑,進一步提高其保護
  5. Yherefore, many researchers have shown great concern with the development of vaccines to against schistosomiasis. at early stage, the research of vaccines of schitosomiasis was centered on dead vaccine and athenuated cercaria of schistosomes while molecular vaccine and athenuated cercaria of schistosomes while molecular vaccine is currently the focus of research with anti - infection protective immunity as its main concern. guan xiaohong and zhao weixian ( 1986 ) certified that the allergen of egg granulonma of schistosoma japonicum might firstly come from gut associated antigen ( gaa ) of schistosomula and adult worm and that daa had cross reaction with soluble egg antigen ( sea ) and membrane associated antigen ( maa ) ; and the gaa of schistosoma japonicum might play a sensitizing role in egg granuloma formation

    Np30主動免疫c57bl 6對蚴攻擊感染產生42 . 05的保護,肝組織減卵率為66 . 63 ; balb c和昆明種小鼠的保護率分別為39 . 53和50 . 46 ;免疫山羊可誘導42 . 78的減蟲率,肝組織減卵率為35 . 83 ,糞減卵率為25 ,並可明顯抑制肝臟蟲卵肉芽腫的大小,肉芽腫數量明顯減少,纖維化減輕,體重明顯增加,因此np30是南京醫科大學博士學位論文很有希望的抗日本血吸蟲病疫苗侯選分子。
  6. The rare - earth - zirconium composite oxides which have high thermal stability and high storage of oxygen are getting more and more attention in the automotive exhaust cleaning field

    摘要由於其良好的儲放氧能和熱穩定性,以鈰為主的鈰鋯氧化物在汽車氣的處理中得到了越來越廣泛的應用。
  7. In this paper, the mechanical character of composite level - stability - panel is analyzed, and the software clop is developed for the analysis of composite laminate strength

    論文分析了某型直升機復合材料平學特性,並開發了能夠用於層合結構強度分析的計算機程序。
  8. Here. justin, your virgin daiquiri

    賈斯丁,你的臺克
  9. In discussions with the diamondbacks and padres, the yankees have sought prospects to set themselves up for the future

    在和響蛇隊和教士隊的交談之中,洋基隊企圖培養自己球隊未來的實
  10. As we know, inverse techniques make blade ' s profile well compatible with its surface velocity distribution, however, they give designers big challenges that the ideal velocity distribution is hard to obtained and sometimes the non - physical solution, such as double covering of flow field or unclosed profiles, would come out. the proposed design procedure in the paper has avoided the disadvantage mentioned above. in this paper, a quasi - irrotational equation is used to describe the flow in cascade instead of the generally used irrotational equation

    眾所周知,一般的反問題和混合問題的最大特點,是在給定的壓面和吸面上的壓分佈或速度分佈條件下,直接得到葉片的幾何形狀,它可以使葉型型面與表面氣流參數有機結起來;其不足之處在於,對設計者而言,很難給定理想的葉片表面壓分佈或速度分佈,並且有時會得到一個非物理解,如:得出的初始葉型可能會出現前緣、緣不封閉的現象。
  11. First, the theory of fretting wear and studies on fretting fatigue were introduced and the parametric method was used in the process of creating the model of dovetail joints in ug software. the elastic contact problem is analyzed in finite element method ( fem ) and is used to the parameters " distribution and contact stress of the joint are obtained on the base of ansys code. with the effect factor of load frequency, the prediction method of fretting fatigue life of dovetail joint under low and high / low cycle complex load is proposed

    本文介紹了微動損傷的機理和微動疲勞壽命的研究方法;利用ug軟體對燕榫聯接結構創建了參數化實體模型;基於ansys軟體平臺求解彈性接觸問題,獲得了榫聯接結構接觸應及接觸狀態量的分佈;在已有微動疲勞壽命預測模型的基礎上,引入載荷頻率影響因子,對低周、高低周復合載荷作用下的燕榫聯接結構進行了微動疲勞壽命的預測,與試驗結果對比表明採用本文提出的方法預測榫聯接結構的微動疲勞壽命是有效的。
  12. Study on the method of detecting pressure fluctuation in draft tube

    水管壓脈動檢測方法研究
  13. Numerical research on fins to alleviate draft tube surging

    設置消減壓脈動穩流片后水管數值解析
  14. Calculation for transverse force of vibration in turbine runner induced by draft tube surges

    水輪機水管渦帶誘發的轉輪橫向激振計算
  15. Winter warmers, gluehwein, eggnog, liqueur coffees, amaretto hot chocolates and many more combinations will be available during the cold beijing winter days

    溫暖寒冬自製紅酒、蛋黃雞酒、烈酒咖啡、方津杏酒熱巧克以及更多的飲品組合會在北京的冬日里帶給您絲絲溫暖,濃濃愛意。
  16. Some suction is provided by the ejector scrubber and the tail gas fan.

    噴射洗滌器和氣排風機可提供部分吸
  17. Study on endocrine basis of prolificacyand non - seasonal estrus in small tail han sheep

    寒羊高繁殖和常年發情內分泌機理的研究
  18. Derived from the 1929 fortress gun ( itself a development of the old 1897 field gun ) with a semi - automatic breech and an automatic loader added, the " high power " apx 75mm gun fired a mle 1915 he round with a reduced charge at 400 m / s and the mle 1915 ap round at 570 m / s ( 50mm penetration at 1000 m ) and its two sights and stereoscopic rangefinder allowed a direct fire range of 2000 m

    「大威」 apx型75毫米炮由1929型要塞炮(舊式1897型野炮的發展型)衍生而來,加裝了半自動炮和一個自動裝填器,發射減裝藥的1915型高爆彈(初速400米/秒) ,及1915型穿甲彈(初速570米/秒, 1000米距離可穿透50毫米裝甲) 。
  19. Flying boat is a controllable aircraft that can flying in the air, the flotage provided by the helum - filled bag inside the flying boat can support the boat and it s load in the air, motor pushing it forward ; the direction is guided by the device on it s tail, going down of the boat is made by escaping the gas inside, it can rise or fall straightly or stay in the air, no necessity of special site for taking off

    飛艇是一種可操縱的浮於空中的飛行器。在飛行中主要依靠內部充滿氦氣的氣囊提供的浮,將飛艇及其載荷支持在空中,發動機為其提供前進的動,通過操縱翼上的升降舵和方向舵控制飛艇的俯仰和方向運動,飛艇的下降是通過排放氣來實現的。飛艇可以垂直起降空中懸停,不需要有專用設備的起降場。
  20. The second one is poplar wood ( 3. 41 mj / m2 ), and the chinese fir wood has the lowest polar free energy ( 0. 74 mj / m2 ). the result of the surface polar free energy has shown the hydrophilic adsorption of the wood surface

    這一結果表明不同木材表面對極性的小分子物質(如水分子)有不同的吸附能,其中馬松木材表面對水分的親和性較強。
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