軸向速率 的英文怎麼說

中文拼音 [zhóuxiàng]
軸向速率 英文
axial rate
  • : 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)
  • : 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
  • 速率 : speed; rate; tempo
  1. 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轉移法可以得到棒狀的超細晶材料,壓力、扭轉度和溫度是採用該方法制備超細晶材料的主控參數;試件的旋轉轉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+自然時效狀態的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。
  2. Several new styles of radial klystron oscillators are studied theoretically and numerically. these new members include : the radial klystron oscillator with foldaway - concentric cylindrical cavity, the radial reflex klystron oscillator with virtual cathode and radial reflex klystron with open foldaway - concentric cylindrical cavity

    它們是折疊式諧振腔徑調管振蕩器,高功虛陰極徑反射調管振蕩器,開放式同折疊式諧振腔徑反射調管振蕩器。
  3. Growth rates of between 0. 25 and 1. 3μm/min were reported with the c axis of hexagonal zno grown on(0112)-oriented al2o3 lying in the plane of the film。

    據報道,在(0112)取的Al2O3襯底上生長C位於薄膜平面上的六角晶體ZnO的情形中,其生長在025mmin和13mmin之間。
  4. 1driving form : speed - regulate of frequency converter + universal shaft coupling + synchronous belt with high accuracy in synchronism, high in mechanism and guarantee in lifetime of the components

    傳動型式:變頻器調+萬器+同步帶,同步精度高,機械效高,構件使用壽命保證。
  5. For sand, glass bean, quartz sand and pvc, pressure fluctuations were measured at different conditions. furthermore, statistics analysis, power spectral density ( psd ) analysis and chaos analysis of pressure fluctuations in gas - solid cfb were conducted. an investigation of the effect of circulating solid flux, superficial gas velocity, height from riser bottom and particle property on the parameters ( e. g

    本文測定了河砂、玻璃珠、玻璃砂和pvc四種顆粒在不同固體循環量、不同表觀氣、不同高度下的壓力波動,進而對氣固循環流化床壓力波動時間序列進行了統計分析、功譜分析和混沌分析。
  6. ( 5 ) as torsion is increased, the anticlockwise secondary vortexes and the negative area of the stream function increase ; the axial velocity moves anticlockwise ( annular pipe ) or clockwise ( circular pipe ) ; the friction factor ratio finally reaches the value about 1

    ( 5 )增大撓,逆時針方旋轉的一二次渦和流函數的負值區域增大,度最大值的位置按逆時針(環形截面)或順時針(圓截面)方旋轉,摩擦系數比最終趨於1 。
  7. The results show that, when increasing the feed rate of the grinding wheel, decreasing the rotating speed of the wafer chuck table and using coarser grit grinding wheel, the material removal rate in the wafer rotating grinding increase, the feed rate of the grinding wheel has greater influence on the material removal rate ; when suitably increasing the rotating speed of the grinding wheel, decreasing the feed rate of the grinding wheel and using finer grit grinding wheel, the wafer surface roughness can be reduced ; there exists a critical rotating speed of the grinding wheel ( about 2300rpm ), beyond which the material removal rate evidently decreases and the spindle motor current and wafer surface roughness steeply increase ; when the grit size of the grinding wheel is finer than # 2000, the material removal rate decreases and the wafer surface roughness has no obvious improvement

    研究結果表明,增大砂輪進給度和減小工件轉,採用粗粒度砂輪有利於提高磨削矽片的材料去除,砂輪進給度對材料去除的影響最為顯著;適當增大砂輪轉,減小砂輪進給度,採用細粒度砂輪可以減小磨削表面粗糙度;在其它條件一定的情況下,砂輪度超過一定值會導致材料去除減小,主電機電流急劇增大,表面粗糙度變差;採用比# 2000粒度更細的砂輪磨削時,材料去除減小,矽片表面粗糙度沒有明顯改善。
  8. Cross universal coupling is mainly used for rolling machine, mining machine, transportation machine, petroleum, shipping, making paper and other heavy - duty machine, is the most common and highest efficiency gearing, it has larger transmit moment, bigger angle, more flexible rotation, longer life than the old - type plum blossom shaft, smooth piece universal shaft, and gear coupling, it s a new generation product of changing the metallurgy steel rolling equipment reconstructive technology

    利用其結構的特點能使不在同一線或線折角較大或移動較大的兩等角連續回轉,並可靠地傳遞轉矩和運動。其最大的特點是各位移補償能力強,結構緊湊,傳動效高,維修保養方便。廣泛應用於冶金機械,石油機械,造紙機械,工程機械,起重運輸機械以及其他重型機械等等。
  9. 2 % 22 % and 29 % respectively less than using other three knives at cutting speed of 500mm / min when the moisture contents of rootstalks was 48. 2 %. the cutting forces were tested at four different parts of rootstalk that were the middle part along a radius, the tip part along a radius, the middle part along axis and the stalk part along a radius, and the force at the middle along a radius is the largest and increase 32 % 45 % 111 %, respectively more than at the other three parts. the force increase 37 % to cut the rootstalks from the areas one crop a year more than that from two crops a year

    試驗結果表明,根茬含水愈高,剪切力愈小,根茬含水與剪切力近似為二次曲線關系;刀片剪切度愈快,剪切力愈小;凸曲線、斜線、凹曲線和直線四種不同的刀刃曲線對整株根茬剪切力依此由小到大,凸曲線和斜線剪切時有一定程度的滑切作用,所以剪切力相比較小,當根茬含水為48 . 2 ,剪切度500mm min時,與其他三種曲線相比凸曲線型刀刃的剪切力依次分別減少了7 . 2 、 22和29 ;對根茬中部、梢部和根部的剪切力,在相同試驗條件下,徑中部最大,比梢部,根部和根部莖稈所需剪切力分別增加32 、 45和111 ;當含水為48 . 2 ,刀片的剪切度為500mm min時,一年一熟玉米根茬比一年兩熟的玉米根茬剪切力增大37 。
  10. Material in the equatorial region of the cloud ? that is, in the plane perpendicular to the rotation axis ? moves inward more and more slowly as rotation starts to balance the pull of gravity

    當轉動開始與重力的內拉力平衡時,位在整團雲氣的赤道區域,垂直於轉的平面上的物質,會逐漸減緩內移動的
  11. The compressor exists about 0. 265 rotor blade converted frequency near stall point, its intensity increases with rising of rotating speed and reducing blade row spacing. the blade row spacing would exert influences on rotor - stator interaction, stability and stall mode

    在臨近失點處,不同工作轉、不同動?靜葉排間距均存在約為0 . 265轉子葉片摺合頻的特徵頻擾動,強度隨轉的上升和間距的減少而增大。
  12. The boundary conditions considered may be assumed to be on simple supports with torsional springs at both ends, which is an appropriate assumption to the real constraints

    利用邊界條件得到系統的頻方程,通過數值方法解出系統的前兩階固有頻度變化的情況,並導出了系統的前兩階復模態函數。
  13. ( 2 ) with f varying, there exists a number fr which is about - 1 ( curvature, torsion and dean number have little influence on fr ), when f > fr, the maximum of the axial velocity is near the outside bent and the friction factor ratio increases with f increasing ; when f < fr, the maximum is near the inner side bent and the ratio increases with f decreasing ; when f = fr, the distributions of the axial velocity are similar to those of poiseuille flow and the friction ratio is about 1

    ( 2 )當f變化時,存在確定的數值fr ( fr在- 1左右。曲、撓和dean數對fr的影響很小) ,當f fr時,度最大值偏外側,摩擦系數比隨f增大而增大;當f fr時,度最大值偏內側,摩擦系數比隨f減小而增大;當f = fr時,度的分佈和poiseuille流近似相同,摩擦系數比約為1 。
  14. The finite element method ( fe '. i ) is adopted to analyze the effects of the numbers of coil turns, current intensity and current frequency upon the rate of joule heat generation in details. the thermo - radiation analytical countermeasures of various types are adopted to carry out the numerical analysis of the effects of the crucible with different shapes and sizes and the blind holes with different depths opened in the tops of crucibles as well as coil positions upon the thermal field distribution whereby solving the main problem of field the thermo - field design of the induction - heating sic crystal growth system. a new combination idea of the thermo - field design obtained by means of the united design of the thermo - insulator and blind holes has been presented

    採用有限元分析方法對線圈匝數、電流強度、電流頻等對焦耳熱產生的影響進行了詳細的分析討論;採用不同的熱輻射分析策略,對不同坩堝形狀、坩堝頂部開設不同深度的盲孔以及線圈的位置等對熱場分佈的影響進行了數值分析,解決了感應加熱碳化硅晶體生長系統熱場設計的主要問題,提出了通過絕熱層與盲孔的聯合設計獲得所需熱場設計的思路,給出了根據溫度梯度的波動對線圈位置實行動態調節以控制熱場的理論依據。
  15. A new high power microwave source, the axial acceletron is presented in this paper. compared with the radial accelectron, an acceleration region is added after the diode / oscillator and radial acceleration is change to axial acceleration. the bunching and radiation of the electron beam in the device are investigated

    最後,我們提出了一種新的高功微波器件? ?管,與徑管比較,有兩個不同:在二極體/共振腔后加一個加段,並將徑改為
  16. According to the characteristics of the piston pump when it works with the diesel engine, the different outer load leads to different rotational speed and mechanics characteristics of the piston. in order to learn the property of the movement and mechanics of the piston but not experimentalize, simulink which is the simulation toolbox of matlab ( the most popular large - scale mathematic software ) is carried out to simulate the process of the movement and the receiving force of the piston

    根據發動機和全功柱塞泵的工作特性,柱塞泵在受到的外負載不同時,柱塞的轉和受力情況就不一樣,為了能在不做實驗的情況下就能了解柱塞的運動特性和受力特點,利用現在最為流行的大型數學軟體matlab的模擬工具箱simulink對其進行了運動和受力的模擬分析。
  17. Axial dispersion coefficient increases with the increasing of gas superficial velocity. adding solid phase makes the value of axial dispersion coefficient larger, what so ever, when cs = 0. 75 %, axial dispersion coefficient arrive at the climax

    在空氣-水體系中擴散系數隨表觀氣的增加而增大,加入各種固體裝填物后擴散系數都有所增加,而且在固含為0 . 75時達到最大值; 4
  18. On the basis of chemical transfer theory, the transfer mechanism was studied for the process of adsorptive bubble separation and the mathematical model describing the axis diffusion in continuous foam column and basic equation about the rate of mass transfer are set up

    以化工傳遞理論為基礎,研究了吸附泡沫分離過程的傳質機理,建立描述該傳質過程的基本方程及擴散連續泡沫分離塔數學模型。
  19. The experimental results are the following : 1 the resistivity changing features of rock show rise - smooth - drop, and the smooth segment is very short and unobvious. 2 the time of first drop for the apparent resistivity is earlier than all other loading experimental results, the rupture stress about moves up by 10 per cent. viz : the apparent resistivity starting drop when axial rupture stress increases about 40 per cent for the array parallel to the axial ; the apparent resistivity starting drop when axial rupture stress reaches about one - third for the arrays non - parallel to the axial

    即:平行於壓方的測道,在破裂應力的40 %左右開始下降不平行壓方的測道,視電現約在1 3破裂應力開始下降3電阻從開始下降起,下降逐漸增加,但增加得很緩慢,巖石大破裂前,單位應力變化引起的視電阻變化幅度也不是很大。
  20. Experiments have demonstrated that, under the condition of constant temperature ( 20 ), the frequency error of double - frequency laser interferometer with two longitudinal modes could be controlled within 10 " 9 even with conditions such as with cool or hot air blowing, it can still be kept within 10 " 7. self - organised fuzzy control methods can be realised in a single - chip processor which contains fuzzy optimisation and self - organisation functions. the above - mentioned system possesses the following advantages : simple

    / znl (式中c為光, l為諧振腔長, n為空氣折射,其值約790mhz ) ,原理上對目前可能要求的測量度都能滿足;它發出的光為一對互相垂直的線偏振光,與塞曼型雙頻激光干涉儀相比,它不用外加磁場及1 / 4波片,因此結構簡單,造價低廉。
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