有利速度 的英文怎麼說

中文拼音 [yǒu]
有利速度 英文
optimum speed
  • : 有副詞[書面語] (表示整數之外再加零數): 30 有 5 thirty-five; 10 有 5年 fifteen years
  • : 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
  • 有利 : advantageous; beneficial; favourable
  • 速度 : 1. [物理學] velocity; speed; blast; bat 2. [音樂] tempo3. (快慢的程度) speed; rate; pace; tempo
  1. On the whole, the tr and gs of leaf of anthurium andraeanum lind decreased under elevated [ co2 ] and wue increased, these might be beneficial for the increase of pn and chlorophyll as well as accumulation of organic compounds which promoted plant growth and florescence and flower leaf area, furthermore, the improvement of quality

    總之, co :加富條件下紅掌葉片的氣孔導與蒸騰率降低,水分用效率增加,凈光合率提高,於碳水化合物的積累,促使紅掌的各項生長指標(株高、葉面積、生物量)提高,開花比率提高,佛焰苞面積增大,提前且延長了花期,提高了紅掌的觀賞品質。
  2. One new type double backspin rotor type sand mixing machine passes technique appraisal of qingdao tianheng machinery co., ltd. this machine adopts double rotor configuration researched internationally ; the rotor is installed on different output axis of same reducer, which produces comparative cross cutting speed by using rotors with different speed that makes sands get strong cutting and friction force. therefore, it can reduce clay and quicken sand mixing

    一種新型雙逆轉子式混砂機在青島天恆機械限公司通過技術鑒定,該機採用國際首創的雙轉子結構,其轉子安裝在同一減器的不同輸出軸上,用兩個軸的不同轉使轉子間產生相對交叉剪切,使砂子受到的沖剪及搓擦力加強,從而減少粘土團,加快砂子的混合。
  3. E ) with the help of pecvd, we found that high substrate temperature is advantage to the basal plane orientation. higher temperature helps the particles absorbed on the substrate moved to the location of two - dimension nucleation rapidly

    E )高溫於基面平行於襯底的取向,在高的生長溫下吸附於襯底表面的沉積粒子能夠迅遷移到二維核的位置,並使粒子足夠能量調整位置。
  4. Based on the analysis of the beat frequency signal, the expression of the beat frequency phase is deduced. the expression indicates physics meanings of quantities to be detected and supplies theoretical bases for detection methods. by using two - dimensional fft, the range and velocity information of target is got out from the echo. according to the periodicity range ambiguity of symmetrical pulses in fmpcw, the processing method of sliding time window is used

    通過對差頻信號進行的分析,得出了差頻相位的具體表達式,表現出了要檢測的各量的物理意義,對檢測的方法提供了理論依據。用二維fft方法,可以效地提取回波中目標的距離與信息。對于fmpcw信號由於均勻脈沖產生的周期性距離模糊的問題,採取時間波門的處理方法。
  5. Because of the huge memory space and rapd calculation speed that compuer possesses, we can manage the ekisted drawings central1y and search them rapidiy in conclusion, the high quality and low price product wtth the help of applytng the cad technology will not only satisfy the requiremen of the market but also help factory amer apply the compeer technology in the process of production ( for example, haher production managemen0 we has applied thes systetn in extuion embranchmen factory and obtained favorable effect wich reveds tha thes system has widely applytng prospect and uti1ity value

    該系統將成組技術的分類編碼原理和計算機輔助設計技術應用於擠壓鋁型材的產品開發設計和產品圖紙的管理中,不僅可以極大地提高產品設計質量、縮短產品開發周期,還可以減少重復繪圖工作及規范制圖方法;同時,用計算機存儲空間大、運行快的優點,可實現對已產品圖紙的集中管理和快檢索。用計算機輔助產品開發,不僅能以高質量、低成本的產品迅滿足市場需求,還可為工廠進一步實施計算機應用工程(如后續生產管理等)奠定良好的基礎。
  6. In this paper, using phoenics software to compute and analyze the variety rule of the convecting transfer heat at the basis of computing and analyzing the temperature and velocity field of one underfloor supply air room with a focus hot source, and concluding that the number of the hot source and the supply air outlet > the intensity of the hot source and the volume of supply air will influence convecting transfer heat, and obtained its correlativity formula

    本文針對一下部集中熱源的地板送風空調小室,用phoenics軟體,在計算分析小室內氣流的場及溫場的基礎上,對對流熱轉移量的變化規律做了計算分析,最後得出對于下送風小室的對流熱轉移量與熱源的個數、送風口個數、熱源強、送風量等因素關,並且得出了其相關關系式。
  7. The last part of the thsis presents a novel fast response digital variable optical attenuator. this device is driven by two electromagnetic driving units rather not stepper motors. a wide attenuation ( 40db ) was fully digitized and can be set by a certain number of driving pulses

    論文最後針對現數字可調光衰減器均由步進電機驅動,體積龐大,造價高昂且緩慢的缺點,用微反射單元設計了一種高數字式可調光衰減器。
  8. By comparing the dry plate pressures drop and distributions of velocities simulated on single valve with those of double valves, it was found that there was intense turbulence in the flow fields around fixed - valve, there were eddy areas between valve side orifices and tray wall, there were eddies above the valves too, these led to the complex behaviors of gas perforating valve, these had a great effect on the gas - liquid mass transfer process. at the same time, in order to prevent the disadvantageous effect of gas between one valve with another on the gas - liquid mass transfer, it was very effective to change the fields of gas perforating valve by folding the edges of valve

    通過對數值模擬得出的單閥和雙閥塔板的干板壓降及流場分佈分析對比后發現,固定閥周圍流場存在較強的湍動,閥側孔與塔板壁面區域以及閥體的上方空間存在明顯的渦流區,使氣體穿閥后的行為變得復雜,並對氣液傳質過程產生重大影響;模擬結果表明,為防止和削弱固定閥間的對沖造成的「死區」對傳質帶來的不影響,通過折邊來改變氣體的氣路是非常效的,模擬值與實驗值基本得到吻合。
  9. 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的特點,對可以提高栽植和工作可靠性、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。
  10. Along with toll - gate of thorough, the flotage speed of the wooden board would be more and more quick, and, there will be to fly at the overhanging cliff central part of the sea gull obstruction player jump up, however believe as long as practice much and much, control time of the whereabouts masterly, should be able to smooth customs clearance

    隨著關卡的深入,木板的漂浮會越來越快,而且,在懸崖中部,會飛翔的海鷗阻撓玩家的跳躍,不過相信只要多多練習,熟練掌握下落的時間,應該可以順通關。
  11. Changes of the longitudinal and transversal wave velocities in different directions and the rock velocity anisotropy as a function of confining pressure have been studied under laboratory ultrasonic frequency for shale and sandstone with marked foliation, which had been saturated by the fluids with different viscosity kerosene and vacuum pump oil and salinity distilled water, 50000

    用不同黏煤油和真空泵油不同礦化蒸餾水50mg l和150mg l的nacl溶液的流體對頁巖和具明顯層理的砂巖進行飽和,在實驗室超聲頻率下研究樣品不同方向縱橫波以及各向異性參數
  12. Analyzing the physics structure of vorticity, divergence, vertical velocity, frontogenesis " function, apparent heat source and apparent moist sink etc. indicated the physics fields are favorable for the occurance of the heavy rain over changjiang - huaihe river basin where the physics values are well according to the heavy rainstorm positions ; the low level jet is closely subject to the moisture and the coupled system of the low and the upper level jetstreams induced the strongly " ascending motion ; the intensity of the frontogenesis varies with the development of the rainfall system and reacts the rainfall intensity

    主要分析了這次過程中的多種物理量,包括渦、散、垂直、鋒生函數、視熱源、視水汽匯等,對這一暴雨過程了比較系統的認識。結果表明:在江淮流域存在著於發生暴雨的物理量場配置,渦、散、垂直等物理量,與暴雨的落區都很吻合的;低空急流的產生不僅於水汽的輸送,而且高低空急流的耦合造成了於強上升運動的配置;鋒生強隨著降水系統的發展變化,並影響降水強
  13. In order to improve the efficiency of classification based on feature matching, the method of azimuth estimation from sar image is studied. a method of target ' s azimuth estimation from sar image using peak featur e based on linear regression is proposed, besides goodish estimation accuracy and high computation efficiency, it can also provide the confidence interval of the estimation, which can meet the need of model - based sar atr system that uses feature very well

    為了提高基於特徵匹配的saratr系統的分類效率,論文進一步研究了sar圖像目標方位角估計方法,提出了一種用峰值特徵基於線性回歸的sar目標方位角估計方法,該方法除了具計算快、估計精較高的特點之外,還能在估計方位角的同時,給出該估計的置信區間,從而能更好地滿足用特徵基於模型saratr系統的需要。
  14. Games will encounter some treasures, such as rapid growth or an increase in the snowball power, and so on, players are smooth clearance of a big weapon, each of the final mark, will be the emergence of boss, must use the snowball freeze headman when asked this little monster, and to promote the snowball attack headman

    游戲中會出現一些寶物,像是增快或是增加雪球威力等等,都是玩家順過關的一大器,每一大關的最後,還會boss的出現,必須用雪球凍結這些大頭目丟出的小怪物,再推動雪球來攻擊大頭目。
  15. In pumping fluid with gas, pressure boost can be improved by enhancing the pump rotation speed, thereby improving the performance of the pump to a certain degree ; when the gas content is constant, by increasing the inlet pressure, the pressure boost can be enhanced and the pump efficiency be improved remarkably ; when the gas content is rather high, there will be a problem of matching between the gas pressure and the fluid pressure ; the performance of the multiphase pump can also be improved by means of rational design of buffer vessel and homogenizer

    試驗分析認為,氣液混輸工況下,提高泵轉可以提高增壓,在一定程上能改善多相泵的工作性能;含氣率一定時,增加進口壓力,可使多相泵增壓值增大,泵效明顯增加,最大含氣率點后移,但含氣率很高時,存在氣液壓力相匹配問題;改進緩沖罐和均化器的設計,於氣液互相夾帶,避免氣囊產生,可改善多相泵的輸送性能。
  16. The insufficience of resources in the shopfloor holds back the accomplishment of production plans. in a sense, whether the enterprise can survive market competition is determined by whether it can meet customers " demands in time, which is further determined by how efficiently the limited resources are used

    車間資源的限性制約著生產任務的完成,能否用車間現資源完成生產任務,以最快的響應市場需求,已經成為決定製造型企業能否贏得市場競爭的關鍵。
  17. We must turn everything to account in order to develop our national economy at a rate never known before in our history.

    我們必須用一切條件,以空前未發展我國國民經濟。
  18. For shutters, the results show : 1 ) according to the formula p =, the theoretical value of is calculated by the effective velocity of the flow, and its engineering value is calculated by the arriving velocity of the flow, the relationship between the theoretical value of and its engineering value is 2 ) the smaller value of declining angle will result in the smaller pressure loss and smaller outlet velocities. as a result, the declining angle of 30 擄 or less is recommended in some places which need small wind velocity, such as broadcasting studio and library, and the declining angle of 45 擄 or less is recommended in places which need big wind velocity, such as cinema and office ; 3 ) the larger value of ratio between the wide of the shutter b and the space between two boards h ( b / h ) will result in the larger pressure loss and smaller outlet velocities. the range of b / h from 0. 8 to 2. 0 and the optimum value 1. 2 is recommended ; 4 ) the range of b from 10 mm to 50 nun and the optimum value 40 mm is recommended ; 5 ) the proper thickness of the boards 8 of the shutters is 1. 5 mm ; 6 ) cuneiform boards should replace the rectangle inlet boards of the shutters in order to obtain better ventilation

    數值模擬採用fluent軟體,計算結果用excel進行處理,通過對大量數值工況進行數值模擬計算,結果表明:對于單側百葉風口,計算表明: 1 )對于公式p = ( ~ 2 ) 2 ,的理論計算值中定義為流體流經百葉風口內部時的,即,而工程上常使用流體的來流來計算,計算表明,的理論計算值與工程應用值的關系為( _ (理論) ) ( _ (工程) ) = 0 . 813 ; 2 )當來流一定時,擋板傾斜角越小,壓力損失越小、出口越小;因此在要求進口風比較小的場所,如播音室、圖書館等,宜採用擋板角30的百葉風口;在要求進口風比較大的場所,如電影院、辦公室等,百葉擋板的角應選45 ; 3 )當來流一定時,百葉擋板的擋板寬b與擋板間距h的比值b h越大,壓力損失越大,出口越小,計算表明,鑒于壓力損失、出口風、板間形成渦流區的大小,百葉擋板的b h值取0 . 8到2 . 0之間, b h = 1 . 2為最佳值; 4 )當來流一定時,在計算的條件下,當百葉擋板寬b = 40mm時,百葉擋板的阻力系數最小,考慮到渦流區等的影響,建議選用10mm b 50mm的百葉擋板;西安建築科技大學碩士學位論文5 )百葉擋板的厚取為1 . sinln為好; 6 )百葉擋板的入口側可選用具傾斜的楔形擋板來代替矩形擋板,用其較好的導流作用,可得到更好的出流效果。
  19. Only in slow - moving, lightweight flying machines, including model planes and pedal - powered aircraft ( such as the english channel - crossing gossamer albatross of 1979 ), has the use of wing warping continued

    慢、重量輕的飛行器上還看得到其蹤跡,如模型飛機和人力飛機(如1979年橫越英吉海峽的薄紗信天翁號) 。
  20. With the rapid development of internet, digital library information resources are increasing with geometric series. in the face of tremendous amount of network resources, how to organize and describe digital library information resources so as to readers can find and utilize them expediently, is a problem that the librarians must solve urgently. firstly, this article describe the digital library information resources is different of other resources. it has its only orgnize and orgnize way. secondly, standards and specifications in the contents creation and resources description can be created in the course of the building of digital information resources. in these days, there are many metadata schemas in organizing digital library information resources. metadata schemas for resources description and domain specific markup languages have evolved dramatically during the last several years. this paper analyzes and discusses several metadata schemas. dublin core has been dramatically applied to the libraries for its advantages

    隨著internetr的訊猛發展,數字圖書館信息資源呈幾何級數增長。面對浩如煙海的網路信息資源,如何來選擇一種對數字圖書館的信息資源進行組織與描述的標準,以方便讀者查找和用,成為圖書情報學界急待解決的問題。本文首先介紹了數字圖書館信息資源不同於其它的信息資源的特點,提出數字圖書館信息資源自己獨特的組織原則與組織方式;其次,在數字圖書館信息資源的建設中,在內容創建和資源描述方面時應遵循相應的標準規范,目前存在的多種組織數字圖書館信息資源的元數據標準,其中以處理文獻資源為基本目的的元數據標準和專業置標語言近年來都在以前所未向前發展。
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