自轉速率 的英文怎麼說

中文拼音 [zhuǎn]
自轉速率 英文
autorotation speed
  • : Ⅰ代詞(自己) self; oneself; one s own Ⅱ副詞(自然;當然) certainly; of course; naturally; willin...
  • : 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...
  • : 率名詞(比值) rate; ratio; proportion
  • 自轉 : revolve on its own axis; rotation; revolution; autorotation; windmilling; spin
  • 速率 : speed; rate; tempo
  1. Yet the march 1979 burster, with an apparent rotation period of eight seconds, was spinning much more slowly than any radio pulsar then known

    但1979年3月那次的爆炸源,看起來卻有八秒的周期,自轉速率要比當時所知的任何波霎還要慢得多。
  2. The north border of the basement, extended from west to east along the north latitude 38, this latitude structure zone is part of the zone in the middle of ordos basin along the north latitude 38, this is caused by the rate of earth rotation, according with the condition of global harmonic function

    壓陷北界沿北緯38帶東西向展布,該緯向構造是沿鄂爾多斯盆地中部38帶分佈的緯向構造帶的一部分,是由地球自轉速率變化引起,符合全球協和函數的條件。
  3. In addition, spin-bearing life is sharply reduced at higher operating speeds.

    此外,在較高的運行時,軸承的壽命急劇下降。
  4. The spin - down rate has been measured for almost every radio pulsar, and theory indicates that it depends on the strength of the star ' s magnetic field

    這種變慢的,幾乎每一顆無線電波霎都量得到,而理論指出,此和星體的磁場強度有關。
  5. The above argument is strongly reinforced by the observed rotation rate of stars.

    上述觀點已為觀測到的恆星自轉速率有力地證實。
  6. However, as spin speed is increased, the power required to overcome windage and bearing friction rises sharply.

    但是,隨著度的增加,克服風阻和軸承摩擦的功急劇地提高。
  7. Automatic grinder for bell coup cutters for shaping lathes type bacci motor 0. 75 kw. with motoreducer with neumatic turbine at 18. 000 rpm micrometric deep control sharp. net weight 25 kg

    動化經杯型刀具專業加工磨刀機.減馬達功為0 . 75千瓦.微調控制磨具可高達18000rpm .凈重25公斤
  8. Energy losses leading to a decrease in head are also done away with, likewise losses in flow rate from the screening installations, both of which can have a detrimental effect on the efficiency of the facility. the constructional effort required for a hydrodynamic screw is small compared to that required for a turbine. if the compact version of a hydrodynamic screw hydrodynamic screw trough power take - off unit combined as a single unit is used, the constructional effort can be further reduced

    水力螺旋機技術的優點有:無需監控系統,可行調節水體供給和供給頻運行效高於水輪機和小型渦輪機效梯度平穩低20rpm - 80rpm ,運行穩定防磨損無需定期清潔,易維護對河道湖泊里的魚蝦無損害基礎工事少,安裝簡便無堵塞,無需隔欄裝置能量利用充分等。
  9. Special features for copying inputting originals auto paper select, auto scaling select, vertical horizontal independent anemographic magnification, final scale adjustment, copy density adjustment 7 degrees, scan start position adjustment, and copy position adjustment, top bottom bottom margin setting, mirror image, trimming, negative positive inversion, header, reference input, rotate image, sharpness, contrast, additional copy, scanning speed change

    動用紙選擇,動倍選擇,縱向或橫向獨立縮放,倍微調,復印濃度調整,掃描起始位置選擇,復印位置選擇,前後端空白選擇,消除框線,鏡像,正負片反,頁眉,參照列印,畫面偏,明兩度,對比度,追加復印,掃描度選擇,電子分頁可選配置
  10. The results indicated that, the fabrication process of ultra - fine grain material is mainly determined by the stress, rotate speed and the flux of cooling water. the grain refining and the hardening effect are mostly affected by the rotate speed and the flux of cooling water. compared with commercial ly12, the invalidate strength and the prolongation rate of the ultra - fine grain material are properly improved in the measurement of compression property ; and the abrupt change of the dilatability of the ultra - fine grain material at 500c is found ; also the phenomena of which the grain size of these microstructures is stable when annealed under 300c is observed

    研究表明,採用本文提出的摩擦壓扭強變形區移法可以得到棒狀的超細晶材料,軸向壓力、扭度和溫度是採用該方法制備超細晶材料的主控參數;試件的旋和冷卻度對變形區晶粒細化和硬化效果影響顯著;超細晶ly12的壓縮性能與淬火+然時效狀態的ly12壓縮性能相比,斷裂強度和延伸均有一定程度的增強;超細晶ly12的熱膨脹系數在550左右發生明顯的變化。
  11. Electromotor joins with high efficiency selected water pump, scm ( single chip micyoco ) control system commands water pump according to cooling water temperature which substitutes traditional strap - driving mechanism pump and forms tael - level intellectualized control cooling system combining with electromotion control of cooling fan. consequently it realizes that water pump and fan autoregulate with engine working status and assures t hat cooling water temperature keeps in the best range all the time and advances the reliability of engine working and realizes exact control of cooling water temperature in deed

    選用高效水泵與電機聯接,改由單片機控制系統根據冷卻水溫控制水泵的工作,代替傳統的皮帶帶動的機械水泵,結合冷卻風扇的電動控制形成兩級智能化控制的冷卻系統,從而,實現了水泵和風扇隨發動機工況變化的動調節,真正實現了冷卻水溫的精確控制,保證了冷卻水溫始終保持在最佳范圍內,大量減少傳熱損失降低油耗,並提高了發動機工作的可靠性。
  12. According to the guidline, two nd : yag lasers have been designed and set up, one is end - pumped by lower output power ld using a selfoc micro lens, and the other is end - pumped by high output power ld using a pair of lenses are designed, and the characteristics such as output power and power stabilization of both solid - state lasers are investigated. thirdly, when an empty liquid crystal cell is inserted in the cavity of the nd : yag laser pumped by high power ld, the laser can operates in single axial mode. finally, according to the relationship between the laser output power and the longnitudinal a ld - end - pumped nd : yag laser sensor for displacement measurement has been investigated theoretically and demonstrated experimently, the results indicate that when the mean radius of pumping inside the laser cavity is far less than that of the oscilating laser mode, the exponential of the output power is a gauss function of the longitudinal positon of focused spot of ld pumping beam, both the measurement range and the sensitivity are dependent on the incident pumping power, as the incident pumping power is increased, the measurement range is enlarged and the sensitivity is improve d

    本文首先介紹了ld泵浦nd : yag激光器的發展狀況、主要特性及其應用,從四能級方程出發,推導了ld泵浦nd : yag激光器的閾值、輸出功和斜效的表達式,並簡述了激光器的工作原理、結構型式和倍頻方法;其次,以空間相關的方程為基礎,提出了ld端面泵浦nd : yag激光器的設計方法,給出了一定泵浦耦合方式下,振蕩光模尺寸、最佳輸出耦合、泵浦光模尺寸、泵浦光焦斑位置等參數的選取依據,以此為依據,設計了聚焦透鏡耦合小功ld泵浦nd : yag激光器和透鏡組耦合高功ld泵浦nd : yag激光器,對激光器的輸出功和功穩定性等特性進行了實驗研究;再次,在帶尾纖輸出的高功ld泵浦nd : yag激光腔內插入一隻空液晶盒,觀察到了激光器以單縱模運;最後,根據泵浦光焦斑端面位置對激光輸出功的影響規律,提出了ld端面泵浦nd : yag激光位移傳感新方法,並進行了理論和實驗研究,研究結果表明:當激光晶體內泵浦光平均光斑半徑遠小於振西安理工大學碩士學位論文蕩光束腰半徑時,激光輸出功然指數與泵浦光焦斑的縱向位置成高斯變化規律,測量范圍和靈敏度依賴于泵浦功,隨著泵浦功的增加,測量范圍擴大,靈敏度提高,當端面泵浦功為7 . 24w (最大輸出功為1 . 926w )時,激光位移傳感器的測量范圍和靈敏度分別是13 . 045mm和0 . 148mw / pm 。
  13. Aimed at design index of input power 1. 5kw, most output rotate velocity 300rpm, and rating output rotate velocity 150rpm, considering factors of angle and ratio of transmission, on the basis of kinematics simulation, author optimized the kinematics parameters. in this paper, author has made some analysis and study to the primal assembly condition of transformer ' s sequential action in theory, designed structure dimension of the input and output transformer, and verified the corresponding strengthen. further, the structure, which is to key transmission components of velocity control system of the speed regulator, has been designed based on meeting operational sensitivity, precision and self - locking

    本文針對輸入功為1 . 5kw ,最大輸出,額定輸出的無級變器的設計要求,並考慮到傳動角及變比等因素,在運動學模擬的基礎上,對運動學參數進行了優化;本文對變換器連續作用的初始裝配條件進行了理論分析與研究,對輸入、輸出變換器作了結構尺寸的設計,並進行了強度校核計算;本文還對變器調系統中主要傳動構件在滿足操作的靈敏度、精度、鎖性的基礎上進行了結構設計;最後採用workingmodel3d軟體,進行虛擬樣機的計算機輔助模擬設計及運動學和動力學計算。
  14. 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,大大地降低了震動和噪音,司機座下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,下隆和傾斜動作.發動機的可根據提升和其它功能對輸出功的需要而動調節.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
  15. The structures and dynamic changes of the artifical sand - fixing vegetation were studied based on the follow views : components of vegetation community, plant diversity, life - forms of vegetation, trends of plant growth, characteristics of the vertical and horizontal structure of vegetation, relationship between the vegetation community and environment ( including soil moisture temperature etc. ), relationship between the vegetation community and characteristics of plant physiological activities. some results were showed as follow : 1. components, diversity and life style of artificial vegetation in shapotou region the marked changes of artificial vegetation have taken place during more than 40 years, since the establishment of sand - fixing vegetation

    本文以騰格里沙漠東南緣寧夏中衛縣沙坡頭地區人工固沙植被作為研究對象,採用傳統生態學的野外調查方法,從植被群落的組成、多樣性、生活型、群落生長動態、垂直結構特徵、水平結構特徵、群落結構與周圍環境(土壤含水量、溫度)相互關系及其與植物身生理生態適應特徵關系等多個角度研究了人工植被群落的結構及其動態變化,取得了如下研究結果: 1 、植被群落組成、多樣性及生活型:沙坡頭地區人工植被經過近50年的演變,從流動沙丘到固定沙地,沙地植被的動態變化經歷了從人工植被到人工?然植被的變,從人工植被建立初期的少數幾種引種植物到現有30多種植物,隨著固定沙地時間的延長,植物種類日趨豐富,並且人工植被在15 25年、 40 50年兩個階段,物種的周最大,即群落結構變化最大。
  16. For safe and full charge, after the charging is finished, charger will change into trickle charge process automatically and the trickle charge rate can be chosen according to battery ’ s self discharge amount

    充足電后,為了補充電池因放電而損失的電量,充電器將入涓流充電過程,涓流充電可根據電池放電的程度來選擇。
  17. Based on many references form civil and abroad, the author mainly studies the measurment theory and method for flux, raising height, axial power and rotational velocity. avoiding many complicated and intermediate courses for power wastage analysis, introduces the electric measurement and using efficiency curve of motor in measureing axial power, and satisfies the automatization of the device. the paper also provides a new method, inductive winding, in measuring rotational velocity of electromotor, supplys limitations of other method in measuring rotational velocity of electromotor in water, and meet practical needs in developing diving electric pump for corporation

    作者在參閱大量國內外有關文獻,著重探討了水泵流量、揚程、軸功的測試原理和測試方法,提出了採用電測法並結合電機效特性曲線測量水泵軸功,從而避免了損耗分析法中大量復雜的中間過程,滿足了試驗裝置的動化測量要求;採用漏磁感應線圈法測量電機,彌補了其它測量方法對水下電機測試的局限性,適應了萊恩公司開發潛水電泵的實際需要。
  18. By analogy, a neutron star born rotating as fast as or faster than the convective period of 10 milliseconds could develop a widespread, ultrastrong magnetic field

    以此類推,在中子星誕生的時候,要是它的自轉速率和10毫秒的對流周期一樣快,甚至更快,就能發展出大區域的超強磁場。
  19. Whether the dynamo operates globally ( rather than in limited regions ) would depend on whether the star ' s rate of rotation was comparable to its rate of convection

    是否能讓整個星體成為一部發電機(而非在小塊區域內各產生發電機作用) ,端看這顆星球的自轉速率是否和其對流相當。
  20. In order to select the proper objects to observe and analyze, we made a statistic study on the rotational period, and selected the asteroids with diameter of about 125km as the objects

    在對現有自轉速率的小行星進行統計分析時發現,直徑在100 ? 150公里之內的小行星的自轉速率具有較為特殊的性質,這一特性與小行星的碰撞經歷有關。
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