特性速度 的英文怎麼說

中文拼音 [xìng]
特性速度 英文
characteristic velocity
  • : Ⅰ形容詞(特殊; 超出一般) particular; special; exceptional; unusual Ⅱ副詞1 (特別) especially; v...
  • : Ⅰ名詞1 (性格) nature; character; disposition 2 (性能; 性質) property; quality 3 (性別) sex ...
  • : Ⅰ形容詞(迅速; 快) fast; rapid; quick; speedy Ⅱ名詞1 (速度) speed; velocity 2 (姓氏) a surna...
  • : 度動詞[書面語] (推測; 估計) surmise; estimate
  • 特性 : characteristic(s); character; performance; features; properties; behaviour; response; character...
  • 速度 : 1. [物理學] velocity; speed; blast; bat 2. [音樂] tempo3. (快慢的程度) speed; rate; pace; tempo
  1. In this paper a kind of cardio - cerebral arterial bifurcation vessel hemodynamic characteristics are studied with the boundary element method, and the blood flowing velocity vector distributions have been calculated. in addition, the flow field distribution and the pressure on the particle surface are also calculated, when there is flow - round particle at the place of bifurcation, the move tendency of the particle is judged, the possible reasons of causing the atherosclerosis, thrombus, angioma are analysed

    本文用邊界元方法研究了一類典型心腦動脈分支血管中血液流動的流體動力,計算了分支血管血液流動的矢量分佈,同時計算了分支附近有多個顆粒狀繞流物時血液的流場分佈,及顆粒物所受壓力狀況,給出了顆粒物的運動趨勢,分析了引起粥樣斑塊病變、血瘤、血栓的可能原因
  2. ( 2 ) the key to improve the processing time is the multi - scale feature used to accelerate the binary - process. ( 3 ) apery intelligent character cognitron has been given based on the varied - grid feature vector and multiplayer and multi - mode of cognition psychoanalysis

    ( 2 )識別實時改進的關鍵是提高二值化處理,主要利用小波多尺變閾值的全局搜索為局部定位,提出一種改進的二值化方法。
  3. This paper mainly discusses about the acceleration response of the artillery that is caused by the plainness causes under traveling condition. and according to the system aspect of the matching between the tractor and artillery which composes the artillery train, it also presents the characteristics of the steering, braking stability and manipulating stability which affects the artillery moving maneuverability

    本文在火炮設計領域首次對火炮牽引列車系統進行動力學分析,重點研究了火炮牽引行駛狀態下的路面不平對火炮的加響應,並從牽引車與火炮匹配組成火炮列車的系統角,研究了影響火炮行駛機動的轉彎、制動穩定和操縱穩定
  4. Verification indicated that the car - barrier crash simulation models developed in this paper present high accuracy and stability finally, on the basis of summarizing dynamics of car and occupant and protection behavior of barriers in car - highway barrier crash, many problems and solutions confronted in the current research were presented, and the prospect and objectives of further work were also given

    驗證表明本研究中所建立的模擬模型具有較高的精確和可靠。最後,本文在總結了轎車與高公路護欄碰撞中轎車和乘員動態及護欄防護的基礎上,提出了當前研究所遇到的若干問題和解決方案,並展望了進一步的研究目標。
  5. The influence of inflow velocity, the baffle body height and the clapboard position on the flow velocity, flow equilibrium between the two sides of the clapboard, particle distribution, rich / lean concentration ratio and flow resistance characteristic are studied numerically

    文章研究了來流,撞擊塊高、隔板位置等因素對氣相場、隔板兩側配風均勻、顆粒濃、濃淡分離比和燃燒器內阻力的影響。
  6. Abstract : the formation technologies, the structure and properties of tcs microporous man - made yarn - kind new polyester fibre which was spinned in tcs with some micrometallic - oxide have been studied. the results indicate that the rheological behaviour and spinnability of commixed polyester melt, and the structure and properties of the fibre, are relative to the spinning temperature, melt pressure, microporpus size for spinning, formation conditions, thermo - vascellum temperature, thermo - vascellum position and rolling speed, besides the viscosity of polyester cuts, coacervation particles, adding amount and size of micrometallic - oxide

    研究表明, tcs微孔化共混聚酯熔體在成型加工中的流變行為和可紡,及其纖維的結構能除了與原料切片的、凝聚粒子和共混聚酯中超細金屬氧化物微粒的添加量、粒徑等因素的影響有關外,還與紡絲溫、紡絲熔體壓力、噴絲板微孔尺寸、冷卻成形條件、熱管溫、熱管安裝位置以及卷繞等因素的影響密切有關。
  7. The method proposed in this thesis do well in solving the problems of multi - damping - ratio - spectra simulation. it is convenient to obtain the pareto optimal solution set of the multi - object question by using implicit parallel genetic algorithms and the method can meet the practical needs for simulating ground motions coinciding with multi - damping - ratio - spectra in seismic design. the crossing rate and variance rate are important parameters of genetic algorithms which affect the rate of convergence, the adapting rate of cross and variation in this paper can auto - adapt and according to stand or fall of current sample, it assures the sample approach to the pareto optimal solution set in fast convergent speed

    較好地解決多阻尼比反應譜擬合問題;本文方法通過一次運行就能獲得一組具有集系的地震動,在擬合多阻尼比反應譜的人造地震波集系的模擬方面有傳統方法所不能比擬的優勢,產生的人造波或人造波集系可滿足工程抗震設計需要;在遺傳演算法中,交叉概率和變異概率是影響收斂的重要參數,本文採用的改進自適應交叉概率和變異概率,可以根據當前樣本的好壞程來自動地選擇適當的交叉概率和變異概率,以保證演算法始終以較好的向pareto最優解集逼近。
  8. First, it is compressible and cushiony ; second, it can be transported to a long distance with a little power loss ; the last, its flux and velocity of flow are quite high, so the reaction time of the operators can been considerably shortened. aiming to solve the problems of vibrating machinery such as short life - span, poor cushion and high energy consumption, the writer, on the basis of characteristic of pneumatic mentioned, contrives a set of valve controlled pneumatic vibrator, which has larger output vibrating force and longer life - span with simple structure. then, it is applied to drive a vibrating screen and the result is fairly well

    文中針對氣動技術本身的及優點,如:可壓縮,具有緩沖;能耗損失小,便於遠距離輸送;流量大、流高,執行元件響應快等,以解決振動機械在應用過程中的緩沖、能耗以及使用壽命等問題為目的,設計出一套輸出激振力大、結構簡單、使用可靠的閥控氣動激振器,並將其成功地運用到振動篩上,取得了較好的效果。
  9. The additional flow is formed by the device of dentoid baffle, and the application of the device of dentoid baffle cooperated with a stilling basin has been investigated by systematic model tests. based on the research results, the hydraulic problems such as the characteristics of hydrodynamic pressure and cavitation on the head of the denotid baffle, the properties of flow under the condition that the device of denotid baffle is used with a stilling basin, the hydraulic computation about a stilling basin, the estimation of energy dissipation and its various affection factors, the mechanism and effect of energy dissipation, and distributions of velocity and pressure and aerating concentration, etc, have been analyzed ; the method and step of hydraulic design of device of denotid baffle by which the additional flow is produced has also been proposed

    文中利用齒墩設施實現附加射流,對齒墩設施與消力池聯合應用進行了大量的和系統的模型試驗,分析研究了中低佛勞德數條件下,齒墩墩頭的動水壓強及空化,齒墩設施與消力池聯合應用時的流態,消力池的水力計算,消能量的估算及其各種影響因素,消能機理和效果,消力池內的流、壓強,摻氣濃分佈等水力學問題,並提出了實現附加射流齒墩設施的水力設計方法和步驟。
  10. Numerical calculative simulation could factually reflect the dynamic characteristics of the whole equipment and inner flow and diathermancy of split - stirling crycooler. through the calculation, the velocity, temperature, pressure and other detailed information of airflow in any position inner the crycooler could be gained ; the distribution of each parameter could be confirmed and reasonable explanation for the experiment result could be made

    數值計算模擬能接近真實地反映分置式斯林製冷機的整機和內部流動、傳熱的動態,通過計算可以得到製冷機內部任一位置的氣流流動的、溫、壓力等詳細信息,確定各參數的分佈情況,並可以對實驗結果做出合理的解釋。
  11. Not only the speed, but the handling characteristics, tire grip etc. will influence the driving line a car should take

    不只是,還有操縱,輪胎抓地力等等都會影響到車子的線位。
  12. Based on the national " ninth " five years " key project - study on the equipment and technique of raising and transplanting seedlings as the kind of factory, combining the no - tillage specialty which can shorten the working period and reduce the intension of dust devil, the key parts of corn no - tillage transplanter has been studied which can improve both the transplanting speed and reliability, reduce the labour intension of operator, further more, the method of automatic controlling whole working course has been applied by using single - chip microcomputer, the bedrock is made for transforming this technique into social productivity

    本文在原來國家科技部「九五」攻關項目「工廠化育苗、移栽工藝及設備研究」的基礎上,結合免耕工藝不僅縮短作業時間,而且可以對防止沙塵暴發生有利的點,對可以提高栽植和工作可靠、降低操作人員勞動強的玉米免耕栽植機的關鍵部件進行了詳細的研究,進一步採用單片機控制技術對其工作過程實現了自動化控制,為該技術盡快轉化為社會生產力打好基礎。
  13. By analysing the relationship among the parameters such as substrate, speed, tension, rotational speed, shape distortion of paper etc, this article put forward a control law to control the drive transmission roller in emery cloth and sand paper production line, the principle is based on hooke ' s law

    摘要本文根據彈力學中的虎克定律,結合砂布砂紙生產點,分析計算了生產線中基體、應變、、張力、轉等參數之間的關系,建立了砂布砂紙生產線中傳動輥轉(頻率)運動方程。
  14. High acceleration characteristics, crediworthy ultimately fit for high - speed and high exactitude positioning

    具備優越之加高信賴,最適合用於需進行高高精定位
  15. Ym series is an epoxy - bond, two - part liquid thermal cure marking ink. it has such perfimance characters as good printing adaptability, fast curing rate excellent adhesion and insulation resistance. it is better to be used in making double surface and the multipke layers circuit boards

    Ym為雙組液型熱固化標記油墨,具有良好的印刷,固化快,塗膜硬化后具有優異的附著力、耐化學別適合用於雙面及多層印刷電路板。
  16. For the research of the damping control strategy one type of controllable damper, magnetico - rheological ( mr ) damper, was constructed and tested, the damping force and displacement characteristic curves, the damping force and velocity characteristic curves are obtained, so that the damping force and voltage ( current ) model, or the damping coefficient and voltage ( current ) model can be further obtained

    通過試驗,得到示功,經轉換得到阻尼器的阻尼力? ?電壓(電流)模型和阻尼系數? ?電壓(電流)模型。這樣在研究中,可以採用開環控制方式或力反饋控制方式實現阻尼力的控制。
  17. Chapter 2 discusses the characteristics of ethernet, then introduces a kind of priority control method into ethernet that makes its feasibility in industrial automation network. at last we conclude that issues that prevent ethernet from being used hi real time control environments have now been resolved. its presence at the control level will facilitate the information integration from sensor level to management level

    第二章論述以太網的點,將一種優先級控制引入以太網,討論它在工業控制網路中的可行,指出隨著以太網在確定和優先法則等方面能的進一步提高,阻礙以太網應用於實時控制環境的難點即將被解決,它應用於現場設備控制層是控制網路發展的趨勢,將會極大地促進信息從傳感器到管理層的集成。
  18. The simulation results show that the shaped degree is decreasing when the spinning temperature and intrinsic viscosity are increasing ; the spinning speed has little effect on the shaped degree when the pump mass throughput is constant ; the shaped degree is increasing with the increasing of pump mass throughput when the spinning speed is constant ; the cross air - blow conditions have much effect on the shaped degree ; the scope of shaped cegree is increasing when the aspect ratio of spinneret hole is increasing ; the shaped degree has obvious decreasing tendency in the small zone of spinning path and this decreasing became gently when the pump mass throughput is increasing

    模擬的結果表明:扁平纖維的異形隨著紡絲溫的升高而降低;泵供量一定時,紡對異形的影響不大;紡絲一定,異形隨著泵供量的增大而增大;吹風條件對異形的影響較大;隨著噴絲孔的長寬比的增大,異形增加的幅也較大;異形在紡程上較小的區間內有明顯的下降趨勢,並隨著泵供量的增加其下降的趨勢變緩。
  19. Then, only a given curve satisfied by the conditions of import and outlet of vane wheel as its modular curve will neglect the middle varying processes of in vane wheel, which reflect microscope properties in some degree - flow properties in boundary layer. leading into the velocity - coefficient unifies the boundary layer and eular theory in the design process of vane, which extends the area of selection of vane ' s curves and provides a valuable object function for the optimization design of vane

    那麼,僅憑一條預先給定的滿足葉輪出入口條件的曲線去來作為葉輪的型線,它必將忽略了這種除了葉輪出入口之外的中間變化過程,而這種中間變化在某種程來說又反映出微觀? ?邊界層流動系數的引入,它使邊界層理論和歐拉理論在泵的葉輪設計過程中得到統一;它使選擇葉片曲線的域圍拓寬;它也為葉輪的優化設計提供了一個很有參考價值的目標函數。
  20. Downswell talked up walcott ' s speed : " his pace is electrifying, devastating, and i would imagine his confidence level is particularly high, " he said

    道斯威爾談到沃科: 「他的非常快並且具有很大的危險,我可以想像到他的信心一定非常高。 」
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