最佳速比 的英文怎麼說

中文拼音 [zuìjiā]
最佳速比 英文
optimum velocity ratio
  • : 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形容詞(迅速; 快) fast; rapid; quick; speedy Ⅱ名詞1 (速度) speed; velocity 2 (姓氏) a surna...
  • : Ⅰ動詞1 (比較; 較量高下、 長短、距離、好壞等) compare; compete; contrast; match; emulate 2 (比...
  • 最佳 : the best; optimum
  1. Optimum ratio between the bobbin and the shaft speeds

    繞線筒與光軸
  2. For increasing the effective material peak - value power ( empvp ), solving the contradiction between enhancing the pmsm ' s flux - weakening capability in the electromotor state and reducing the pmsm ' s connatural adjustment ratio in the dynamotor state and improving the efficiency of the pmsm, some solving method are taken as follows : the influence of length / diameter ratio to the empvp is analyzed, and the optimum size of length and diameter is chosen

    主要是從提高電機的有效材料峰值功率、解決pmsm提高電動機運行狀態時的弱磁擴能力和減小發電機運行狀態時的電壓調整率之間的矛盾及提高電機的效率著手,分析了長徑、氣隙長度對有效材料峰值功率的影響,並確定了它們的尺寸。
  3. The factors influencing on the performance of ash - jd such as the moore ratio of monomers, the reaction temperature and time, concentration, the ph value of reaction solution and the drippy speed of formaldehyde were studied carefully. through experiments, the optimum level of those factors was gained

    論文詳細研究了反應單體的摩爾、反應溫度、時間、濃度、反應溶液的酸堿度及甲醛的滴加度等對產品ash - jd性能的影響,通過試驗,得到了這些因素的水平。
  4. Some main results of testing research were as fellows : i. in the course of testing of leaching zinc dross, leaching zinc dross by sulfuric acid was researched and the effects on the leaching rate of the zinc dross were analyzed by author, the optimum conditions of leaching testing of zinc dross were determined as fellows : liquid - solid ratio 6 : 1, stirring ratio 250r / min, granularity 120 mesh, the soaking time 5h, the concentration of sulfuric acid of 30 %, and under these conditions, the rate of leaching zinc is above 92. 0 %. ii. in the course of testing of purification, on the basis of comprehending and comparing all present methods of the manganese - removal and iron - removal, the oxidizing method of manganese - removal in zinc sulfate solution using ammonium persulfate was put forward and the oxidizing method of iron - removal in zinc sulfate solution using the goethite process and oxidation - hydrolysis process was adopted

    研究的主要結果具體如下: 1 、研究了硫酸浸出鋅浮渣並分析了影響浸出率的各種因素,確定了浸出鋅浮渣的條件為:液固為6 : 1 ,攪拌度為250r min ,粒度為- 120目,酸浸時間為5 . 0h ,硫酸濃度30 ,鋅浮渣的浸出率大於92 . 0 ; 2 、在綜合和較了目前除錳和除鐵的各種方法基礎上,提出了過硫酸銨氧化除錳方法和選擇了針鐵礦-氧化水解聯合法除鐵方法,並分析和討論了影響除錳率和除鐵率等各種因素,確定了除錳的條件為:溫度90 , ph值5 . 4 ,反應時間3h ,過硫酸銨達到理論值的1 . 2倍,除錳率超過99 . 86 ;聯合法除鐵的條件為:氧化反應時間1 . 5小時、溫度控制在90 92 、 ph值5 . 2 5
  5. By the large quantity of indoor and field soil mechanics test, this paper investigated physics and mechanics property of xigeda stratum and xigeda compounding filling, profoundly and systematically studied on shearing strength, cbr ( including indoor cbr and field cbr ) and intensity feature of xigeda compounding filling. the new achievement and cognition as follows : ( 1 ) cbr value is decided by moisture content and mudstone content of xigeda compounding filling. the filling material can satisfy minimum intensity standard of express highway when mudstone content is less than some fixed value, ( 2 ) this paper established field cbr standard value which can synthetically evaluate the filling material nature and field compaction degree. ( 3 ) the optimal compacting mean of xigeda compounding filling is hard oscillation first and weak oscillation later, not traditional way which is weak oscillation first and hard oscillation later. ( 4 ) this paper put forward the conception of optimum moisture content in construction different from optimum moisture content of indoor impaction

    本文以昔格達填料強度特徵為研究對象,通過大量的室內及現場試驗,從昔格達地層巖組的物理力學性質、昔格達填料的物理性質入手,對昔格達填料的抗剪強度、室內承載及現場承載特徵進行了較系統地研究,獲得了如下認識及進展:昔格達混合填料承載值受填料含水量及其中泥巖含量的影響,當泥巖含量小於一定值時,昔格達混合填料具有較高的承載值,能夠滿足高公路對填料的低強度要求;建立了綜合評判昔格達填料性能及現場壓實效果的現場承載( cbr )標準;對于昔格達填料而言,的碾壓方式為先強振后弱振而不是傳統的先弱振后強振;提出了與室內擊實優含水量相區別的施工含水量的概念。
  6. The result is compared to the ideal velocity distribution, and the model is adjusted, calculations improved to attain hest results

    通過與理想的度分佈相較,從而調整幾何模型和優化計算,獲得度分佈。
  7. In comparison to other flying objects, it features low altitude, low flying speed, stable, safty, easy operation, low cost, specially suitable for video taking by air, geo - measuring, it is the best choice for news, moviedom, mapping ect.

    熱氣球與其他飛行器相,其低空低平穩安全操控簡單飛行成本低廉等特點特別適合於空中攝影攝像地形測量等的作業要求,是新聞影視測繪等行業的選擇。
  8. The specific research methods are listed : 1. matched filter taking the max ouput snr as the best rule correlates nonstop divided signal and divided echo to detect low snr target signal. then all one dimension divided correlation outs and done fft in portrait to leach interferential signal such as static or low rate mussy meaves, many pathway echo and so on and to take target ' s time difference and doppler frequency that combine parameters that target ' s direction taken from antenna and so on to implement target ' s orientation and tracking

    具體研究方法如下: 1 、採用以輸出信噪大為準則的匹配濾波器來對分段的參考和目標信號作相關處理來檢測低信噪目標信號,然後對一維分段相關輸出組作縱向傅立葉變換來濾除靜態或低的雜波、多徑回波等干擾信號,並提取目標的時差和多普勒頻率,再結合由天線獲得的目標方向等參數,就可以實現目標的定位和跟蹤。
  9. The best glide speed varies with changes in lift / sink and wind conditions ( head / tail wind )

    滑降飛行度(對空度)改變經常取決于飛行傘上升率及沈降率或者是飛行傘順風、逆風飛行狀況。
  10. Using diethanolamine as aminating agent and glacial acetic acid as neutralizing agent, aminated epoxy acrylic cationic resin was prepared. the effect of technology of aminated epoxy acrylic resin on properties of eletrodeposition was studied by conductivity meter and electrophoresis apparatus. it was shown that, conductivity firstly decreased, and then increased with aminating temperature increase. in contrast with putting polyacrylic resin into thin acetic acid solution, the more compact film could be achieved by neutralizing polyacylic resin with glacial acetic acid and then add it into water. when neutralizing temperature was enhanced, the speed of electrodepsidon was found to increase, and the film was also more compact. increasing the dn leads to enhanced conductivity and smaller particle size. when dn equaled to 80, the smoothest film could be achieved

    以二乙醇胺為胺化劑、冰醋酸為中和劑,合成了胺化環氧丙烯酸陽離子樹脂.採用電泳儀和電導率儀,研究了胺化環氧丙烯酸樹脂合成工藝對陰極電泳塗料電沉積性的影響.結果表明,隨著胺化溫度的增加,電泳液電導率先下降後上升.將冰醋酸加入樹脂中中和,後用水稀釋,樹脂在醋酸稀溶液中中和,電沉積性能更好.電沉積率隨著中和溫度的上升而增加,電沉積膜緻密性相應增加.中和度( dn )愈高,電泳液電導率愈大,粒徑越小,而塗膜外觀在中和度為80時達到
  11. A reasonable position of driving nozzle helps to achieve the maximum material flow that also depends on other parameters such as backpressure, properties of conveyed material and driving gas. it is observed that, an increase of convergent section angle is harmful to the pneumatic conveying system, and also influences on the mass flow rate of conveyed material, the distribution of static pressures in injector and the pressure drops of conveying pipe. in addition, within a reasonable scope of air mass rate, increasing the driving jet velocity is more advantageous than enlarging the dimension of driving nozzle

    試驗研究發現,氣體噴嘴位置對氣固噴射器的輸送能力影響大,氣體噴嘴存在某一位置,而這一位置與背壓、輸送物料特性和輸送風特性相關聯;氣固噴射器的收縮角對其輸送能力、內部靜壓分佈和輸送管阻力特性均有適量影響,收縮角增大對整個輸送系統均不利;在適當的輸送風范圍內,提高氣體噴嘴出口擴大氣體噴嘴尺寸更為有利,但氣體噴嘴出口度過高會增加氣固噴射器和輸送管內的能量損耗,給輸送帶來不利的影響;系統背壓與氣固噴射器的氣體噴嘴出口度的選取有關。
  12. Principal conclusions were drawn as the following : the non compatibility of pressure or velocity of the gas on both sides of the contact surface is the cause of the formation of shock wave ; the heating effect of reflective shock wave to driving gas during charging or exhausting process is the internal mechanism of peak oscillating effect, and all the factors that influence the formation and the running of the shock wave will influence the peak oscillating frequency, cooling effect

    主要結論如下:熱分離機內激波形成的原因是射氣瞬間接觸面兩側壓力和度不相容;峰值振蕩效應的內在機制為反射激波對充氣階段的驅動氣或低溫排氣的加熱,凡是影響激波形成及運動的因素都將對峰值振蕩頻率、冷效應及熱效應產生影響;當充、排氣時間為0 . 1763時,射流激勵頻率出現在高階峰值振蕩頻率上。
  13. This product is a ideal machine to cut the seal of processing vessel and its linear velocity is nonstage transmission. its edge face and groove can be finished in one time and it is several times more effective than before

    本機是加工容器封頭切割的設備,線度無級調,端面和坡口可一次加工完成,立車加工功效提高幾倍。
  14. The results show that the printing press assuring best printing ink absorbency of paper is dissimilar at different printing speed conditions, the glazed printing paper ' s printing ink absorbency is more sensitive than the coated art paper to printing press, and at the same condition, the coated art paper press ' s demand is lower than the glazed printing paper

    結果表明,在不同印刷度下保證紙張吸墨性的壓力值是不同的,膠版紙的吸墨性對印刷壓力較敏感;在相同條件下,銅版紙對印刷壓力的要求低於膠版紙。
  15. Localization underground target algorithm base on the best automatic curve fitter can survey velocity of electromagnetic wave in underground medium, and locate underground target. it ’ s virtue is small number of operation times. it ’ s shortcoming is subject to clutter

    基於自動擬合曲線的波測定和目標定位方法可以較準確地計算出波,計算出目標位置,優點是運算量小,缺點是容易受到雜波干擾的影響。
  16. Find the law of the influence from the injection pressure to the filling time and the cavity pressure and make certain of the best filling time, injection time and injection pressure. though the analysis of the flowing velocity and pressure spread of the key position element in the injection parts in different gate position, we forecast the injection parts quality and the possibility injection flaw and its position, optimize the gate position. in this paper, though the research of analogue of the runner system of metal - powder injection molding and the process of injection molding, we get the law of how the injection parameter influence the injection process

    在相同的注射條件下,通過分析喂料在不同直徑和長度流道中的流動規律,得到了喂料在流道中的度場、壓力場和溫度場,找到了流道長徑的合理取值范圍,並得出通過改變流道設計可實現對現有設備資源充分利用的結論;給出了不同注射壓力下,型腔壓力與充模時間關系曲線和喂料熔體平均充填度與充模時間關系的曲線,得到了注射壓力對充填時間和型腔壓力的影響規律,確定了的充模時間、注射時間和注射壓力;通過分析採用不同位置澆口注射時注射件關鍵位置單元的流動度和壓力分佈,預測了注射件的成形質量,或可能產生的注射缺陷及位置,優化了澆口設置。
  17. Using its two characteristics - fully automatic and rapid, this system can accomplish simultaneous, rapid, stable and repeatable matching with the load impedance, especially the dynamic load impedance ( eg : plasma load ). at the same time, it maintains the reflection coefficient at the desired value ( eg : 1. 2 ) to assure that the microwave transmission is at its best

    此系統可利用它全自動化和快的特點,實時的為負載尤其是動態負載(如:等離子體負載)提供快,穩定,可重復的匹配,自動將反射系數保持到工程理想值,從而實現微波功率的傳輸。
  18. Through comparison of new and old roving machines, the technique progress and development of new roving machine characteristic of simpler driving, more advanced controling, easy operating and well tension control and high speed are introduced from mechelectronic angle of view

    摘要通過新老粗紗機的對,從機電一體化的角度介紹了新型粗紗機的技術進步的特徵,由此使機械傳動系統簡化,控制器和執行器更先進,操作和調換品種方便,自動控制卷繞張力和實現高紡紗。
  19. The simulated test of the mechatronics soft start equipment is made regarding the experimental platform of belt conveyor as load, the sensor design is had for selecting type, the testing datum are gatherd and analyzed, the rational curve of velocity in the starting and braking progress are gained, the best matching ratio of driving power for the double asynchronous moters is found

    以帶式輸送機實驗臺為負載進行了機械電子式軟起動裝置的模擬試驗,對傳感器進行了選型設計,對試驗數據進行了採集與分析,確定了合理的起、制動度曲線,求出雙電機驅動功率的
  20. The results indicates that the output of the compound dimethyl ether engine is greater than that of the gasoline engine in low and middle speed, while less than that of the gasoline engine in high speed

    試驗結果表明:使用的二甲醚復合燃料在中、低轉時,其功率高於汽油,在高轉時則低於汽油。
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