轉速下降 的英文怎麼說

中文拼音 [zhuǎnxiàjiàng]
轉速下降 英文
slip
  • : 轉構詞成分。
  • : Ⅰ形容詞(迅速; 快) fast; rapid; quick; speedy Ⅱ名詞1 (速度) speed; velocity 2 (姓氏) a surna...
  • : 下動詞1. (用在動詞后,表示由高處到低處) 2. (用在動詞后, 表示有空間, 能容納) 3. (用在動詞后, 表示動作的完成或結果)
  • : 降動詞1. (投降) surrender; capitulate 2. (降伏) subdue; vanquish; tame
  • 轉速 : speed; revolution; rotation rate; speed of revolution; rotating speed; rotational speed轉速指示器...
  1. In 1990 ' s, the growing speed of passenger transport has surpassed that of cargo transport and become the trend of traffic industry development in the new period. there is an obvious digressive trend of waterway passenger transport volume and turnover volume because of the fierce competition between railway, road and aviation, and relative falling behind of waterway technology

    進入90年代之後,旅客運輸增長度超過了貨物運輸,成為交通運輸業在新時期的發展趨勢,鐵路、公路和航空的激烈競爭,加之水路客運技術狀況的相對落後,使水路客運量和旅客周量都出現明顯的態勢,水路客運面臨新的機遇和挑戰。
  2. Furthermore, it is also verified by chassis dyno tests that lpg motorcycle has better emission performance than gasoline engine, and has better acceleration performance e. g. exceed acceleration than former gasoline engine, and has low noise level characteristics as well as has ability to achieve equivalent level fuel economy performance compared with former gasoline engine

    整車動力性、經濟性和排放性鼓臺架試驗對比表明: lpg摩托車整體排放性能優于汽油摩托車;最高車略有但加性基本與汽油摩托車相同(超越加性優于汽油摩托車) ; lpg摩托車具有良好的低噪聲特性,且整車燃料消耗率及其經濟性與原機基本相當。
  3. In addition, spin-bearing life is sharply reduced at higher operating speeds.

    此外,在較高的運行率時,自軸承的壽命急劇
  4. The results show a few grooves appear on the worn surface of the composites which contain 10 phr nano - al2o3 there are a great many grooves on the worn surface of the composites containing 20 phr. in addition the deeper cracks also appear. this shows that excess nano - al2o3 particles ca n ' t improve wear properties of pa6 ' s. the proper content of nano - al2o3 in the matrix can enable the molecular chains of pa6 to produce closed joints which resemble the physical crosslinking

    尼龍6 / a12o :復合材料的加工性能研究表明:隨著納米a12o3的加入,復合材料的熔體流動,納米a12o3含量越大,越明顯,即隊6 / a12o3納米復合材料的加工性能越差;隨著納米a12o3的加入,復合材料的矩和塑化時間都增加,當含量小於巧phr時,隊6復合材料的矩增加幅度不大,當含量超過15phr后,矩急劇升高。
  5. To make an rpm-drop test, a tachometer is needed.

    做每分鐘轉速下降試驗時,需要一個表。
  6. With the increase of substrate salinity, the accumulated sodium and chloride increased. as a result, all tissues had considerablly lower osmotic potentials than that of the solution on which they were grown at 60 day after planting. changes in length, dry weight, water content, ion concentrations, osomotic potential, ion content of hypocotyls during culture indicated that viviparous hypocotyls not only afforded nutrition for seedling growth, but also reserved ions, thus charged the balance of ion concentration and osmotic potential of the seedling

    鹽脅迫幼苗單株葉面積的程度大於光合率的低,葉面積的減小是導致減產的主要原因;木欖幼苗各組分中的離子濃度以及含量隨栽培時間而變化;栽培初期剛萌根時,幼苗原胚軸中的離子滲漏到培養液中;此後隨著根系的發育以及芽的生長,幼苗為從培養液中吸收離子,並以吸收na 、 cl離子為主。
  7. Finally, we can not use electric power but the engine of bus or subsidiary engine to drive air compressors of bus air conditions. because the change range of turnaround speed of engine is very wide, that brings difficulties in controlling the rate of flow of cold - producing medium. in the control of bus air - conditions, preventing evaporator from freezing to make the air - conditions work with high efficiency and controlling the temperature of railway carriage are the basic tasks in air - condition control

    與一般的建築空調相比,汽車空調的工作環境惡劣,條件差,控制難度要增加很多,主要體現在以幾個方面:一是車外熱負荷變化大,難以確定控制參數;二是要求空調負荷大,而且要控制空調使其溫迅:三,不便於用電力作為動力源,必須用汽車發動機或輔助發動機來帶動壓縮機,當採用汽車發動機作為動力源時,由於汽車的車變化大,發動機的變化可從600r min到4000r min ,壓縮機與發動機成正比,其變化高達7倍,給空調系統製冷劑流量控制帶來困難。
  8. According to pump performance curve shown we can get that the distance h is changed with the rotate speed n in the same point q, and the flux q is changed with the rotate speed n in the same point h. from the curve we can get the rule that the distance and rotate speed are in direct with ratio at the same flux point, and the rotate speed and the flux are also in direct with ratio at the same distance point

    根據相似定律:流量與的一次方成正比;揚程與的二次方成正比;功率與的三次方成正比。即在,調低水泵出水揚程的同時,功率的幅度非常大,從中可以節省相當大的電能。完全應在高水位時低水泵機組,從而使電機的輸出功率隨著轉速下降值與原值商的三次方關系
  9. It ' s the first time to explore the combustion characteristics of lpg / diesel mixing fuel engine, and find that, with the change of load and rotation, the changing trend of the ignition delay period of e10 mixing fuel is almost as identical as that of the diesel, but that of e30 mixing fuel is very different. comparing with diesel, the combustion of e10 is improved slightly, but that of e30 greatly changes ; the maximum eruptive pressure decreases ; the maximum pressure increase rate decreases ; the highest releasing heat rate increases ; the highest combustion temperature falls ; the ignition delay period extends

    結果表明: e10混合燃料與柴油的著火滯燃期隨負荷和的變化趨勢基本一致; e30混合燃料與柴油則有所不同; eio混合燃料發動機的燃燒與純柴油相比,略有改善; e30混合燃料的燃燒特性發生明顯的變化,最高爆發壓力,最大壓力升高率減小,最大燃燒放熱率增大,最高燃燒溫度,滯燃期延長。
  10. 4 ) soil nutrient of leguminosae also higher than non - vegetation soil ; while organic matter and available k increased, there was no significant change in total n ( it increased slightly ) ; available p and soil ph decreased

    4 )豆科植物較無植被覆蓋地,土壤養分朝著良性循環變。土壤有機質、效鉀含量提高,全氮含量稍有增加,效磷含量低, ph值有所;這些變化主要發生在土壤表層。
  11. Driver ' s position : optimised layout, based on the latest ergonomic principles, considerably reduced vibration and noise, throunh insulating the operator ' s compartment from the vehicle itself by means of shock absorbes, seat adjustable to operator ' s height and weight, as well as being spring suspended and hydraulically damped. lindedouble pedal control system offers accurate reversing without. changing gear. linde central control lever operates all mast functions

    駕駛室:根據人機工程學原理對駕駛室進行了優化設計.駕駛室與車身之間由減震墊隔離,大大地低了震動和噪音,司機座有彈簧和液壓減震裝置,並可根據駕駛員的身高和體重進行調整,以獲得最舒適的狀態.林德雙踏板控制系統具有無需切換即可實現靈敏向的功能:林德集中控制桿控制門架的提升,隆和傾斜動作.發動機的可根據提升和其它功能對輸出功率的需要而自動調節.護頂架與司機座聯成一體,並可裝配成舒適的全封閉駕駛室
  12. Ever since the evening before the barometer, suddenly falling, had indicated an approaching change in the atmosphere ; and during the night the temperature varied, the cold became sharper, and the wind veered to the south - east

    從昨天夜裡開始,晴雨表上的水銀柱就迅,預示著氣候即將發生變化。到了13號夜晚,天氣果然變得更冷了,西北風也為東南風了。
  13. Through analyzing the figure of energy wasting of pump, the quality in pipes is direct proportion of the speed of pump if the speed of pump is reduced. the power of electromotor fell the cube of the speed of pump. so the energy wasting of constant pressure water supply based on variable frequency speed regulating technology is envident less than the traditional mode is used throttle to supply water

    分析水泵工況的能耗比較圖,可以看出利用變頻調實現恆壓供水,當低時,流量與成正比,功率以的三次方,與傳統供水方式中用閥門節流方式相比,在一定程度上可以減少能量損耗,能夠明顯節能。
  14. With the transformation of eu from economic - oriented integration to more complex political integration, the popular support to european integration and eu governance has dramatically declined

    摘要隨著歐盟由單一的經濟聯合向更深入的政治聯合型,歐洲民眾對歐洲一體化事業及歐盟治理的支持度也迅
  15. The propeller may be overloaded which caused by some reasons when ship has been serviced for a period of time. as a result, the rated revolution of the engine cannot be achieved, or the engine may be on overloaded operation condition. it will not be in the optimum matching between the propeller and the engine

    船舶在使用過程中,常因各種因素使螺旋槳出現負荷過「重」的現象,主機達不到額定或超負荷運,槳機不能處于最佳匹配;另外當船舶人為地航行時,主機處在半負荷情況工作,如果轉速下降太多,使得主機的工作條件變壞,容易引起主機部件的損壞。
  16. After pretorsion the successor tensile yield limit and strength limit both improved very highly, but the trend of the increase of the strength limit was suspended till the pretorsional capacity reached 17, when the pretorsional capacity was greater than17 ( prestrain value was 81. 19 % of total strain ), the successor strength limit rapid failed and approached the yield limit. this illustrate the a3 steel specimen translate from plasticity into friability after pretorsion strengthen. when the specimen was operated by tension - torsion action, the yield limit had very large improved, but the strength limit changed very little. furthermore, the trend of the increase of the strength limit was suspended till the pretension capacity reached 0. 25 ( prestrain value was 66. 93 % of total strain )

    A3鋼試件在預扭后,后繼拉伸屈服極限和強度極限均有很大提高,但強度極限的增大趨勢到預扭量為17為止,預扭量大於17 (預應變值為總應變的81 . 19 )后強度極限迅,與其屈服極限接近,這說明a3鋼試件經預扭強化后逐漸由塑性化為脆性。該預應變值為a3鋼試件的韌脆變點。 a3鋼試件在拉伸-扭作用,屈服極限有很大提高,但強度極限沒有多大改變,而且,屈服極限的增大趨勢到預拉伸量為0 . 25應變(預應變量為總應變量的66 . 93 )后就不再增加。
  17. For the case, we put forward the methods for decreasing vibration at the peak speeds and study the influence of support plan for vibrational character of rotor - support system of the aeroengine

    研究低峰值振動水平的方法及支承方案對發動機子?支承系統振動特性的影響,得出了有工程參考價值的結論。
  18. The analysis results indicate that the transient performance of pump during starting period decreases evidently under cavitation condition ; cavitation performance of the pump has close relationship with flowrate, rotational speed and impeller parameters

    分析結果表明,啟動過程中的汽蝕現象使混流泵瞬態性能迅,汽蝕性能與流量、、葉輪參數等有密切關系。
  19. The threshold speed and the typical characteristics of the oil whip of the system are simulated under the nonlinear model of oil film force, and the state of motion and type of the bifurcation are analyzed by floquet multiplicators which is computed by the shooting method. secondly, the the nonlinear dynamical model of the low - pressure rotor - bearing system by column bearing with reduced dimensions is presented. the numerical results show the rule of the amplitude with the eccentricity of rotor, the length - to - diameter ratio, oil viscosity and the clearance - to - radius ratio of the bearing under the definite speed

    其次,對維后的低壓子?軸承系統的非線性動力學方程,計算了圓柱瓦軸承支撐的子系統的振動穩定性在固定隨偏心距、軸承長徑比、潤滑油動力粘度和軸承間隙比的變化規律,並分析了子前軸承軸頸的失穩子偏心距、軸承長徑比、潤滑油動力粘度和軸承間隙比之間的關系,同時利用floquet理論分析其運動狀態和分岔類型。
  20. Section hi : purify & refold recombinant hpk - 5 protein was efficiently expressed in e. coli jm109 as inclusion bodies. after bacteria were smashed by ultrasound, te buffer, 1 % ttiton x - 100 and 2 m urea was used to efficiently extract inclusion bodies

    用含sm尿素溶液洗滌包涵體, 8000r / min分離包涵體,能最大限度去除雜蛋白,同時不會低目的蛋白的損失。
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