最大流速 的英文怎麼說

中文拼音 [zuìliú]
最大流速 英文
maximum rate
  • : 副詞(表示某種屬性超過所有同類的人或事物) most; best; worst; first; very; least; above all; -est
  • : Ⅰ動1 (液體移動; 流動) flow 2 (移動不定) drift; move; wander 3 (流傳; 傳播) spread 4 (向壞...
  • : Ⅰ形容詞(迅速; 快) fast; rapid; quick; speedy Ⅱ名詞1 (速度) speed; velocity 2 (姓氏) a surna...
  • 流速 : [機械工程] velocity of flow; strength; [水文] current velocity; current speed; flow rate流速管 pi...
  1. ( 2 ) gene flow frequency was reduced as distance from pollen donor increased and a dramatic reduction occurred at about 2 meters. the maximum distance where gene flow was not detected was 50 m for hybrid rice while it was 70 m for ms lines, with an exception that in one of the four ms lines it was detected a frequency of gene flow 2. 8 + 10 - 6 at 150 m for zhong 9a

    在開花期主風向ne的風為0 . 2 ? 2 . 2m / sec的條件下, 2個雜交稻品種的距離為40m ; 4個不育系的基因漂基本上到60m為止, 70m處基因漂頻率均降為0 ,僅中9a在150m處發現了1株basta抗性苗,經pcr檢測驗證為陽性。
  2. 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特點,是在給定的壓力面和吸力面上的壓力分佈或度分佈條件下,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力分佈或度分佈,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、尾緣不封閉的現象。
  3. Zibo enkli chemical limited company sits on the qiu shihua ethene south road in the largest chemical industrial zone in china, qilu chemical lndustrial zone. near the jiqing highway and the artery of jiaoji railway, it enjoys convenient transportain, first - rate production environment, as well as regional asvantages since the qilu chemical group which is famous at home and abroad is seated here

    淄博英可利化工有限公司位於全國的齊魯化學工業園區,齊魯石化乙烯南路,北鄰濟青高公路和膠濟鐵路動脈,交通便利,生產環境一,區位優勢突出,國內外知名的齊魯石化集團就坐落於此。
  4. Mmfr forced expiratory flow during middle half of the fvc

    呼氣中期
  5. Using jgp560c magnetron sputtering equipment, cu / ag film are deposited on cd1 - xznxte substrate by dc magnetron sputtering in order to get the influences of the main experiments parameters such as sputtering power, gas flow, vacuum air pressure, magnetoelectricity power and substrate temperature on deposition rate of film, discovered that dc sputtering power is the most key factor influencing the deposition rate

    在jgp560c型超高真空多功能磁控濺射鍍膜機上,採用直磁控濺射法在cdznte晶體上制備出cu ag合金薄膜,揭示了氣體量、直濺射功率、勵磁電源功率、工作氣壓和襯底溫度等工藝參數對沉積率的影響規律。結果表明濺射功率對沉積率的影響,隨濺射功率的增沉積率快
  6. The effect of reynolds number on rudder hydrodynamic performance is also analyzed. up to the stall angle the computed lift and drag agree well with measurements and other author ' s calculations, whereas stall angle, lift and drag beyond the stall angle are slightly under - predicted. the solver is used to investigate laminar and turbulent separated flows around a 6 : 1 prolate spheroid at high incidence angles and their effects on hydrodynamic forces

    應用所開發的求解器,以naca0015翼型舵為算例計算了船舵在不同雷諾武漢理三;學博士學位論文數下舵角范圍內的三維粘性場及水動力,成功地預報了舵的失角和升力,並初步探討了雷諾數對舵水動力的影響;計算結果與現有試驗和計算數據比較,吻合程度相當好,初步檢驗和驗證了該求解器精確模擬粘性動和計算水動力的能力。
  7. Quinic acid, used shikimate pathway in e. coli, it is necessary to extend metabolic pathway by introduction of a heterogenous gene qutb into the host cell. double specific enzyme genes arog, qutb or three ones arog, qutb, arob were co - expressed in a single plasmid pbv220 to improve the enzymes " rate - limiting reactions. modifications of e. coli chromosome by both disruption of the arod gene and directed - site insertion of the arob gene resulted in the change of carbon flow redirected into the quinic acid biosynthesis branch

    利用腸桿菌莽草酸途徑合成新的代謝物奎尼酸,須在宿主細胞引入異源酶基因擴展代謝途徑;串聯表達酶基因,同時適量增加不同種屬的多個關鍵酶酶量,改善限反應;利用同源重組進行基因整合和基因破壞,改造染色體結構定向改變微生物代謝途徑;目的是將碳代謝程度的引向奎尼酸生成的方向。
  8. And the probability of small - size air core is the biggest while the ratio of runoff is small

    研究表明,在比較時,中等尺寸的氣核出現概率比接近1時,小尺寸氣核出現概率
  9. And the most advantage of ofdm is that it can convert high - rate data stream into the low - rate and reduce data bandwidth so that multi - path - fading can be transformed into flat fading in wireless circumstance

    這種調制技術的的好處就是將高的數據,變換成并行的低數據,減小了數據帶寬,從而可將無線環境中的多徑衰落(頻率選擇性率落)轉換成平坦衰落。
  10. It makes the deduction on design tidal level process more reasonable than ever. finally, taking into account the observed data of tidal level are much more integrated than observed data of tidal discharge and the correlative relationship are established based on large numbers of samples. then, the sub stage maximum tidal discharges and tidal velocities are obtained according to the regressive equations and the observed tidal level, and the sub stage design maximum tidal discharges and tidal velocities are estimated by way of frequency analysis

    後,針對橋位河段實測潮資料短缺而潮位資料相對完整的實際情況,基於量樣本建立了潮量與潮汐要素的相關關系,利用實測長系列潮位資料得到分期量、潮系列,經頻率分析確定了分期設計量、潮
  11. Diastolic peak velocity, vmax

    的舒張期
  12. Though the water levels cross one section are almost equal, the velocities differ greatly. at the some cross - section, the velocity in the in the quirk may be double as that on the floodplain. the water surface will rise hi the southern branch because of the improper diffluence ratio, if using the designed diffluence col

    淮河入海水道河口段水位值橫向分佈相差無幾,而的橫向變化較,泓灘平均可達一倍以上,在現有的分口設計條件下,若按設計的南北汊分比,南分口有壅水現象發生,如果南汊分到800m ~ 3 / s左右時,則水較為通暢。
  13. Linear induction motor is an important kind of machines which have some merits such as simple structure, low cost, durability, convenience for maintenance etc. the subject of this thesis is to study a big circular ring linear induction motor, and the major works in this thesis are summarized as follows : ( 1 ) considering the effects of the finite length of primary core, one - dimension analytical solution for the air gap field is cited in this paper. based on it, the single layer winding magnetic field is studied. considering whole - pitched and short - pitched winding configuration with odd poles and half - fulled slots in both ends, the double - layer winding magnetic field is analyzed, respectively

    本文對圓環直線感應電機進行了深入細致研究,內容包括: ( 1 )本文採用有限長行波面電作用於有限長鐵芯上的模型,引用了氣隙磁場一維解,研究了單層繞組磁場,奇數極半填槽雙層繞組在採用整距和短距時磁場的分析、比較,簡單介紹了二維解; ( 2 )用有限元軟體ansoft對圓環直線感應電機空載氣隙磁場進行了靜態分析,並分析了結果; ( 3 )用軟體進行了額定電壓下的瞬態分析,得到了轉矩,位移,轉隨時間變化曲線圖,利用單極性霍爾元件測定轉並與軟體計算結果進行了比較,採用等效電路法計算了堵轉時的電磁力並做實驗進行了驗證,由實驗測得了三相電波形,並與計算結果進行了比較,對其不對稱性進行了定性分析。
  14. South of japan, the kuroshio path of maximal velocity is outside the other three seasons in winter. in the kuroshio extension, the two points of the lee - wave also shows seasonal variabilities, and the path is most winding in summer, straight in fall

    黑潮延續體最大流速主軸在西段的第一個峰處,冬季的峰值點比其它各季向東移了一個經度;第二個峰處,則以夏季彎曲為平緩,且在155 e附近有一個向南的小彎曲路徑。
  15. When the punched baffle is proper in length, the small holes are in staggered arrangement and the punched ratio gradually increases from the central axis to the boundary along the baffle length, the performance of flow distribution in the plate - fin heat exchanger is effectively improved by the optimum design of header configuration

    從實驗對比分析中得出,當擋板小孔呈錯排分佈、開孔率沿擋板的中軸線向兩側逐漸增加、且總開孔率達到50 %左右的時候,在相同的入口條件下,不均勻系數由原始封頭的1 . 210降至0 . 209 ,最大流速之比由23 . 163降至1 . 756 。
  16. Experimental studies on measurement of flow - rate based on maximum velocity on circular cross - section

    用圓管中最大流速測量量的實驗研究
  17. The black thick lines with wind barbs indicate the location of jet streams and their maximum speeds, while the dash lines outline possible cat areas

    圖中有風羽的黑色粗線顯示高空急的位置及,而虛線則描繪出有可能出現晴空湍的區域。
  18. Individual jet maxima are frequently found at the tips of deep low - pressure troughs

    某些急中心常發現位於深低壓槽的底端。
  19. According to the supply system composed by parallel connection water pump, many kinds of operation proposals in a single pump were put forward to provide the greatest possible flow on both sides of the demarcation point in the scope of the flux changes ; identified the system of pumps, electromotor, speed governor imitate method of characteristics curve of the power device and its rotating speed, efficiency, energy consumption calculation under different condition ; the analytical methods used for the operational plan for comprehensive evaluation of the economic and safety and optimal results

    摘要針對由並聯水泵組成的供水系統,提出了在以單泵可能提供量為分界點的兩側量變化范圍內具有多種運行方案;確定了在不同工況下,該系統中水泵、電機、調器特性曲線的擬合方法及其各動力裝置中轉、效率、能耗的計算式;採用解析的方法對各種運行方案進行了經濟性和安全性綜合評價,並給出優結果。
  20. Last, use the minimum cost and maximum flow method in graph theory to solve the problem. the result got is relativel y accurate and the solving process is quite fast and simple

    問題求解利用網路中的小費用演算法,既保證了必要的精度,又使得問題求解快、簡單。
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