流速測定 的英文怎麼說

中文拼音 [liúsùcèdìng]
流速測定 英文
measurement of rate of flow
  • 流 : 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...
  • 速 : Ⅰ形容詞（迅速; 快） fast; rapid; quick; speedy Ⅱ名詞1 （速度） speed; velocity 2 （姓氏） a surna...
  • 測 : 動詞1. （測量） survey; fathom; measure 2. （測度; 推測） conjecture; infer
  • 定 : Ⅰ形容詞1 （平靜; 穩定） calm; stable 2 （已經確定的; 不改變的） fixed; settled; established Ⅱ動詞...
  • 流速 : [機械工程] velocity of flow; strength; [水文] current velocity; current speed; flow rate流速管 pi...
  • 測定 : determine; determination; setting-out; admeasurement; assignment; assay; finding
  1. The normal analytic technique was adopted to mensurate the basical nutrients such as total n, total p, total k, available n, available p, available k, organic matter, ph and so on. meanwhile, various techniques were employed to mensurate the soil dissoluble carbon, finally the technique of water saturating - h2so4 - agso4 - circumfluence - feso4 titration was used in this experiment

    測定土壤的基本養分狀況全氮、全磷、全鉀、速效氮、速效磷、速效鉀、有機質、 ph等採用常規分析法，對土壤可溶性碳的測定方法進行了多方面的探索，最後採用水提? h _ 2so _ 4 - ag _ 2so _ 4迴流? feso _ 4滴定這一方法。
  2. At first, in the process of experiments, it were measured that dry plate pressures drop and point pressures in the flow fields around the single fixed - valve and double fixed - valves under different velocities by using of pitot tube. after that point pressure was transformed to point velocity, two dimensions flow plane of flow fields around fixed - valve were plotted to observe the difference between of the fixed - valve tray with fold edges and the common rectangular fixed - valve tray on the distributions of flow fields and pressures, to provide comparisons and refer - rence for cfd simulation

    在實驗中，利用測速管等儀器對在不同速度下的單閥和雙閥固定閥周圍的流場進行了點壓力測量，然後把點壓力轉化為點速度后繪出固定閥周圍流場的二維流線圖，同時測定了塔板的干板壓降，來考察新型固定閥帶折邊后對流場分佈和壓降的影響，為隨后的數值模擬提供對比和依據。
  3. The hydrometric pendulum is sometimes used to determine flow velocities in open channels.

    測流速的擺錘有時用於確定明渠中的流速。
  4. Good agreement was found between measured and calculated results for low water flow velocities.

    發現低水流速度測定的和計算的結果之間十分一致。
  5. The analysis of ir spectrum and melt flow index showed that the composite had a micro - crosslinking structure, and the analysis of dsc discovered there was - spherulite in the aggregate structure of the composite of pp

    紅外光譜分析和熔體質量流動速率的測定表明，復合材料體系產生了微交聯； dsc分析發現， pp材料的聚集態結構中含有球晶。
  6. Measurement of fluid flow in closed conduits. velocity - area methods of flow measurement in swirling or asymmetric flow conditions in circular ducts by means of current - meters or pitot static tubes

    密封管中流體流量的測定.用電流表或靜壓皮託管測量圓管道內迴旋流或不對稱流動流量的速度-面積法
  7. At present, the typic harmful current detection methods are the fast fourier transform algorithm in frequency domain and methods based on the instantaneous reactive power theory, these methods all require some transform and quick, real - time calculating, so high precision analog multipliers or high speed dsp chip with fast a / d are needed, this results in complex circuit and high cost ， which have restricted the development of apf

    目前畸變電流檢測常用的方法有頻域法的fft和基於瞬時無功理論的畸變電流檢測法。這些方法均有一定的變換，需要快速、實時運算，因此必須使用高速的數字微處理器和高性能a / d轉換器，這必將大大提高系統成本，使得電路結構復雜，在一定程度上限制了有源濾波器的發展。
  8. Plastics piping systems - fittings, valves and ancillaries - determination of gaseous flow rate pressure drop relationships

    塑料管道系統.管件閥門和附件.氣體流速與壓降之間關系的測定
  9. To facilitate supervision and management of food production and circulation, rapid methods for detection of foodborne pathgens, such as improvement and automatization of conventional methods, bioluminescent method, cytometry, impedancemetry and immunological methods were reviewed

    為方便對食品生產和流通的整個過程進行衛生監督和管理，就常規方法的改進和自動化、生物發光方法、細胞計數方法、阻抗測定方法和免疫學方法等食品中微生物的快速檢測方法進行了綜述。
  10. By performing fourier transformation, the relationship between the turbulent intensity of the particle and that of the carrier fluid was obtained which makes clear that particle size, specific gravity, velocity gradient, and the characteristic frequency of energy - containing eddies are four basic influencing parameters. it is proven theoretically that under certain conditions, the stream - wise and transverse particle turbulent intensities exceed those of the carrier fluid. based on the equations of two - phase flow, the presence of fine sediment suspension is shown to attenuate the turbulent intensity of the water

    通過對細小顆粒在剪切流場中運動方程的fourier分析，得到了顆粒脈動強度和流體脈動強度之間的定量關系，表明顆粒粒徑、顆粒密度、流速梯度以及紊動場含能旋渦的特徵頻率是影響顆粒脈動強度的主要因素，首次從理論上證明了在一定條件下，顆粒在縱、垂向的脈動強度均會超過相應的流體脈動強度，為已有的實測資料提供了合理的解釋。
  11. 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

    最後，針對橋位河段實測潮流資料短缺而潮位資料相對完整的實際情況，基於大量樣本建立了潮流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最大潮流量、潮流速系列，經頻率分析確定了分期設計最大潮流量、潮流速。
  12. Highways winter maintenance plant and highways side equipment maintenance - deicing agent sprayer - fixed station test method for flow rate measurement

    高速公路冬季維修設備和高速路路邊設備維修.除冰劑噴灑機.流率測量固定站試驗方法
  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

    本文對大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流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對大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，轉速隨時間變化曲線圖，利用單極性霍爾元件測定轉速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最大電磁力並做實驗進行了驗證，由實驗測得了三相電流波形，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. Abstract : the hot wire anemometer and the ensemble average method are used to measure and study the dispersion turbulent transient feature in a closed cylindrical explosion bomb. the comparison of the dispersion turbulent parameters from different shapes of closed explosion bombs is presented. the relation between errors and numbers in dispersion turbulent measurement with the ensemble average metod is discussed

    文摘:採用熱線風速儀和系綜平均法測定和研究了封閉圓柱形粉塵爆炸罐內揚塵湍流的瞬態特性，並與球形爆炸容器內已測定的揚塵湍流瞬態特性進行了比較，對系綜平均法用於揚塵湍流的測量誤差與測量次數的關系進行了探討。
  15. 3. a three - dimensional - acoustic doppler velocimeter has been used to measure the velocity and turbulence in a compound channel with vegetated and unvegetated flood - plains. particulary in the interface region between main channel and floodplain. the distribution in three coordinate directions of velocity and turbulence intensities and the renolds stresses are presented. the momentum transfer at the main channel flood - plain interface can be described as an apparent shear stress which can be quantified as a function of the local turbulence at the interface

    採用adv對灘地種樹前後灘槽交界區域的流速場進行了量測。分析了灘槽交界區域的垂線流速、紊動強度和雷諾應力的變化。將灘槽交界的動量傳遞描述為一表觀應力，這個表觀應力可以看作是交界面處的脈動函數並將其定量化。
  16. Furthermore, the supposition of galvanic couple is drawn into the procedure of corrosion fatigue crack growth of aluminum alloys, the relation of couple current vs loading time is determined with electrochemical methods. a formula in the theory is deduced which expresses the stress corrosion crack growth rate of lc4cs aluminum alloy, the results of mathematical modeling preferably correspond with examination

    再將「耦合作用」的猜想，引入鋁合金的腐蝕疲勞裂紋擴展過程中，用電化學的方法測定耦合電流與加載時間的關系，並從理論上導出lc4cs鋁合金應力腐蝕裂紋擴展速率的數學表達式，數學模擬的結果與實驗值具有較好的一致性。
  17. If asthma is not controlled on the current treatment regimen, treatment should be stepped up until control is achieved

    通過肺量計或呼氣峰流速測定肺功能仍然被推薦作為哮喘診斷和檢測的輔助方法。
  18. A method of rapid determination of manganese in gasoline by fia with microemulsion improving solubility

    微乳液增溶流動注射分析法快速測定汽油中的錳
  19. Pda laser flow velocity testing technique was used to measure the flow velocity of solid particles in the solid - liquid - gas three - phase system in a flotation cell and obtained the velocity distribution of solid particles so as to provide reliable data for the study on adsorption and deadsoption mechanism of particles onto and off from bubbles

    採用pda激光流速測試技術，在固-液-氣三相體系中對浮選槽中固體顆粒進行了流速測定，獲得了固體顆粒的速度分佈，為礦粒與氣泡粘附過程和脫附過程機理的研究提供可靠數據。
  20. Flow measurement method of pipe for gas drainage. measurement method of mean velocity tube flow transducer

    抽放瓦斯管道流量測定方法.均速管流量傳感器測定方法
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