質心軸 的英文怎麼說

中文拼音 [zhíxīnzhóu]
質心軸 英文
mass axis
  • 質 : Ⅰ名詞1 （性質; 本質） nature; character; essence 2 （質量） quality 3 （物質） matter; substance;...
  • 軸 : 軸Ⅰ名詞1. （圓柱形的零件） axle; shaft 2. （對稱部分的直線） axis 3. （圓柱形的纏繞器物） roller; spool Ⅱ量詞（用於纏在軸上的線以及裝裱帶軸子的字畫）
  1. The passing parts of this catena product all adopt fluorine plastics alloy to press, its headmost product of fluorine alloy centrifugal pumps, axis - envelop choose advanced outer - install form moire - pipe machine - airproof, airproof of oppositely abrade have silicon nitride chinaware f4 horniness alloy to choose

    本系列產品過流部件全部採用氟塑料合金模壓成型工藝製造，是國內生產的最早的一代氟合金離心泵產品，軸封選用先進的外裝式波紋管機械密封，對磨的密封面有：碳化矽陶瓷四氟硬質合金可供選擇。
  2. Ruichi " brandmagnetic pump is mainly made up of pumpbody, gears, magnetic combined bearing equiptment isolation cover, motor and so on. gear wheels joined with the inner magnetic steel are fixed in a hermetically sealed chamber which is made up of pumpbody and isolation cover. the motor powers the outer magnetic steel, the outer magnetic steel power the inner steel. gear sheels are made to try turn. thus dynamic hermetis seal is replaced by a static hermetic seal to get the result of importing medium wihtout leakages

    「瑞馳牌」磁力泵泵體主件是由驅動和從動永磁場鋼杯組成磁性聯軸節外磁鋼和電動機相聯為主動件內磁鋼和葉輪相聯為被動件當電機啟動后通過磁力藕合驅動葉輪同步工作泵的結構要點以靜密封取代動密封使泵的過流部件完全處於密封狀態從而保證了介質和外界隔絕徹底解決了離心泵機械密封一直解決不了的跑、冒、滴、漏之弊病。
  3. Abstract : double steel - ball extrusion deep hole solves the matching problem of steel - ball nucellus with workpiece axis, using this technology, extruding deep hole with smaudiameter is attained efficiently with high quality. it has been proved that the special problem of finishing curved hole is able to be solved

    文摘:雙珠式擠壓深孔有效地解決了鋼珠珠心與工件軸心重合的問題，高質高效地實現了較小直徑深孔的擠壓加工，實踐證明，且能實現彎孔的高精加工。
  4. Failure situations on bearing bushes from october of 1999 to the two units are generalized, the main causes are divided into four classes : bearing bushes with low quality, overproof on dynamic balance, bad crapping to bearing bushes, and bad fluid oil

    通過對該廠1999年10月投產以來的兩臺離心鼓風機的軸瓦失效情況進行的統計，將造成軸瓦失效的主要原因分成4類，即：軸瓦質量差、轉子動平衡超標、研刮不良以及潤滑油油質不佳等。
  5. Methods ： fifty paired embalmed cadaveric humeri ( twenty - five pairs : fourteen from male donors and eleven from female donors ) were scanned in medial - lateral ( ml ) and anterior - posterior ( ap ) position according to the humeral retroversion by ct. images of the humeri in the transverse planes at the lowest border of neck ( lbn ), 20mm and 40mm distal of lbn ( lbn - 20 、 lbn - 40 ), isthmus, head - neck anterior - posterior ( hn - ap ) were obtained. sixty - one extracortical and intracortical parameters were measured exactly by image analytic computer software that included offset, head position, head - shaft angle, head to tuberosity height ( ht ), head thickness, curvature radius, articular surface arc ( sa ), neck diameter, isthmus position, proximal and distal border of isthmus, maximum coronal and sagittal diameter of medullary canal and thickness of cortical bone in four planes, including lbn, lbn - 20, lbn - 40 and isthmus

    方法： 50根成對防腐肱骨（男14對，女11對）按肱骨頭扭轉角置於冠狀位和矢狀位，行肱骨全長，頭頸矢狀面，解剖頸下緣及其下20mm 、 40mm ，髓腔狹窄部四平面ct掃描，由ct軟體測量冠、矢狀位髓腔內外參數共61項，包括頭心?干軸距，頭位置，頭干角，頭?結節高度差，頭厚度，頭半徑，關節面張角，解剖頸直徑，髓腔狹窄部位置，解剖頸下緣及其下20mm 、 40mm和狹窄部四個平面髓腔的最大冠、矢狀徑，皮質骨厚度等。
  6. 4 ) in a pre - swirl rotator - stator cavities with discrete pre - swirl nozzles and blade - cooling entry holes, the influences of pre - swirl angle and flow parameter on the flow and heat transfer characteristics were numerically investigated. the correlation for average nusselt number vs rotating reynold number or non - dimensional mass flowrate were established. the results show that : advantage of per - swirl inflow is the effect of cooling the blade - cooling entry holes ; pre - swirl inflow increases heat transfer in rotating disk of pre - swirl chamber ; as pre - swirl angle increases, local nusselt number decreases in pre - swirl chamber ; the temperature of stator of inner rotator - stator chamber and per - swirl chamber decreases as rotating reynold number increases ; when the axial mass flowrate maintains constant, heat transfer in the rotating disk of inner rotator - stator cavities does n ' t change as per - swirl mass flowrate increases, while heat transfer in the rotating disk of per - swirl chamber increases ; when the pre - swirl mass flowrate maintains constant, change of the axial mass flowrate has effect on the whole cavity

    結果表明，預旋進氣的優點在於增強了葉片冷卻孔附近的對流換熱效果，局部努謝爾數隨預旋角的增大而有所減小；隨旋轉雷諾數的增加，不論是內轉靜腔室還是預旋腔室的靜盤上的溫度都不同程度的降低：當軸向中心進氣質量流量不變時，隨預旋進氣的質量流量增加，內轉靜腔室的轉盤盤面上的換熱基本沒有變化，而預旋腔室的轉盤盤面上的換熱效果增強；當預旋進氣質量流量不變時，軸向中心進氣的質量流量的改變對整個盤腔都有影響。
  7. By means of the analysis on motion equation of simple pendulum, a method for testing the moment of inertia of a complex shaped rigid - body moving around a fixed axle under the condition of not knowing the barycentric position of the object was obtained

    摘要通過對單擺運動方程的分析，得到了未知物體質心位置條件下測試復雜形狀剛體繞定軸轉動慣量的方法。
  8. When liquid crystal ( lc ) is in smectic - a ( sa ) phase, its molecules disperse in layers ( sandwich ) and the molecular long axis tropism is in some order and the director is perpendicular to the layers

    液晶近晶a相，分子質心按層狀分佈（有層狀結構） ，分子長軸取向有序，指向矢垂直於層面。用三個序參量， ，描述。
  9. ( 3 ) by choosing core faultage of axial site in luohu fracture zone i. e. geological cross section in huangbeiling faultage f8 as geological model and utilizing finite element numerical method, change tendency of huangbeiling faultage f8 under self - weight stress and building loads is stimulated. and long - term development trend of fracture zone is also predicted, which has an important guiding meaning for works of geological disaster prevention in district of luohu jiancheng

    （ 3 ）選取羅湖斷裂帶軸部的核心斷層?黃貝嶺f8斷層地質剖面作為地質模型，利用有限元數值方法模擬了黃貝嶺f8斷層在自重應力和建築物荷載共同作用下的變化趨勢，預計出斷層帶的長期發展趨勢，這對羅湖建成區的地質災害防止工作有重要的指導意義。
  10. Pump body & pump casing made by alloy copper and stainless steel. reliable and corrosive - resist

    泵機體，馬達外殼，以炮金銅及不銹鋼材質製成，堅固耐蝕，軸心不銹鋼304 。
  11. Metallophalocyanines ( mpcs ) are a kind of centrosymmetric planar organo - metallic molecules with an extensively delocalized two dimensional conjugated - electron system which show a relatively large third order optical nonlmearity, varying upon central metal atom substitution and other factors. other interesting properties of this molecule and many of its derivative products are their versatility, architectural flexibility and high environmental stability, which are very important requirements to implement photo - electronic applications

    因其骨架結構特徵和可通過選擇中心離子、軸向配體和在酞菁環上引入功能性取代基等方法進行分子篩選與組裝得到具有特殊的物理化學性質和光、電、催化等功能的材料，而引起化學家和材料學家的濃厚興趣。
  12. The influence of the eccentricity mass moment, position of mass center and the bearing stiffness to the vibration characteristics of the rotor system is discussed in detail ; 3. to verify the exactness of fem and learn the principle of vibration of dredge pump further, the orbit of the rotor shaft of the pump in the dredger is measured, the measurement results show : the repeat of the orbit of the rotor shaft is very bad when dredge pump is in the dredging mud condition

    模態分析確定了泥泵的振動特性（固有頻率和振型） ；諧響應分析確定了泥泵轉子軸在偏心力的作用下軸截面處的最大響應位移；研究了轉子軸的質心位置、軸承剛度和質量偏心矩對轉子軸振動特性的影響； 3 、採用軸心軌跡法，實船測量了泥泵軸工作時振動響應值。
  13. The origin is located on the axis at the point closest to the center of mass.

    原點坐落在轉軸上最靠近物體質心的一點。
  14. Thus the path of the vehicle mass center must be a circle around the axis, i. e. it must be a minor circle of the earth, lying on a parallel of latitude.

    所以飛行器質心的軌跡必須是圍繞軸線的一個圓，即它必須是一個平行於緯度線的地球的小圓。
  15. The optimum design of the beat back - impact crusher is proposed, which aims at the highest efficiency of the machine work. the optimum designed mathematics model of the main structural dimension of the crusher ( m, xc, s, w 2 > ir ) is built with restraining conditions such as force condition, energy condition, hammer steady condition, no moving interference, strength of spin axle and bearing condition, upper limit and lower limit of the design variant condition etc. finally, an example is give to illustrate the efficiently of the method proposed

    在綜合考慮影響破碎機效率的各因素的情況下，提出了滿足以力，能量，錘頭穩定性，幾何條件，不發生運動干涉，轉子軸和滾動軸承的強度等約束條件，建立了包含破碎機關鍵參數（錘頭質量m ，軸心o到銷軸錘頭接觸距離r ' ，四川大學碩士學位論文錘頭質心到銷軸與錘頭接觸點的距離拙，錘頭與巖石碰撞到銷軸與錘頭接觸點的距離s ，轉子的速度。
  16. These springs are now eliminated and replaced by an axial non - me - tallic thrust located in the center - line of the gearing to avoid any friction that would generate wear, vibration and noise

    在本系列產品中，這些彈簧已經取消，並由位於齒輪中心上的非金屬材質的軸向止推裝置所取代，避免了會導致磨損、振動和噪聲的任何磨擦現象。
  17. By using transfer matrix method and corresponding boundary conditions, the steady - state responses of the counter - rotating dual - rotor system were analyzed, and the changing characteristics of the disks ' orbits and the centroids ' locations were studied experimentally, proving the relevant conclusions from calculations

    針對這種結構，應用傳遞矩陣法，結合邊界條件，分析了反向旋轉雙轉子結構穩態不平衡響應的變化規律，研究了內、外轉子盤軸心軌跡和質心的變化特點，並進行了相應的試驗研究，驗證了計算模擬的相關結論。
  18. The orientation state of the molecule can be described by angular momentum eigenstate of the molecule rotating around its long axis ; the state of the molecule center - of - mass can be described by energy eigenstate of the particle in the harmonic well potential

    ）和分子質心位矢（ ? ） 。分子取向態可用分子繞長軸自轉角動量本徵態描述；分子質心態可用質點在諧振子勢阱中的能量本徵態來描述。
  19. Globe valve indicates that the stem drive disc along the central spindle of seat make lifting movement, it is a sort of common stop valve. which is mainly used to connect and disconnect medium in pipelines. generally, it is not used to adjust flow

    截至閥是指啟閉件（閥瓣）有閥桿帶動並沿閥座中心軸線做升降運動的閥門，是一種常用的截斷閥，主要用在接通或截斷管路中的介質，一般不用於調節流量。
  20. This kind of structure is bad for anti - earthquake due to the bigger departure of its center of mass and center of rigidity. the structure is irregular both in plane and vertical, and the power character of this structure in the both principal axes is different a lot, so, that ’ s seismic unfavorable

    這種結構體系由於其質心和剛心偏離較大，結構在平面及豎向均不規則，結構的兩個主軸方向動力特性相差較大，對抗震來講是非常不利的。
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