驅力降低作用 的英文怎麼說

中文拼音 [qūlìjiàngdīzuòyòng]
驅力降低作用 英文
drive-reduction
  • 驅 : 動詞1. （趕） drive （a horse, car, etc. ） 2. （快跑） run quickly 3. （趕走） expel; disperse
  • 力 : Ⅰ名1 （力量; 能力） power; strength; ability; capacity 2 [物理學] （改變物體運動狀態的作用） forc...
  • 降 : 降動詞1. （投降） surrender; capitulate 2. （降伏） subdue; vanquish; tame
  • 用 : Ⅰ動詞1 （使用） use; employ; apply 2 （多用於否定: 需要） need 3 （敬辭: 吃; 喝） eat; drink Ⅱ名...
  • 降低 : reduce; cut down; abate; debase; drop; lower; lessening; reducing; reduction; depression; tarnish
  1. Based on the research of the characteristics of piezoelectric ceramic, this paper presents the analysis of the movement of the stator surface points and work principle of motor. this paper describes a theory about the influence of the ultrasonic vibration on the frictional properties of ultrosonic dring, and finds that the horizontal vibration produces friction driving force and vertical vibration affects horizontal driving effect

    並且對行波型超聲波電動機的減摩現象進行了研究，發現在接觸區定子表面上一點的水平振動產生摩擦驅動力，垂直振動只起影響水平驅動效果的作用，得出垂直方向超聲振動具有減振作用是引起超聲驅動動摩擦系數降低的原因。
  2. Inorganic anti - cracking reinforced chemical additive, called wj, generates some tittle expansive crystals in hydration process in concrete to reduce the porosity and improve the distribution of pore size. the expansive power is process in common to tumefaction that petty crystalloid aft suck water and pressure to concrete pores that aft crystal gather volume. its adding weight was 8 % - - 12 % in cement, its restrained expansive ratio was about 0. 02 % - - 0. 06 %, and relevantil brought self - stress 0. 2mpa ?. 6mpa

    無機增強抗裂材料wj摻入普通混凝土中，在水化硬化過程中生成一定量的微膨脹結晶體，降低空隙率，改善混凝土中孔結構分佈。其膨脹驅動力是凝膠尺寸的晶體鈣礬石吸水腫脹和結晶狀鈣礬石對孔隙產生膨脹壓的共同作用。當wj摻量為8一12兒在鋼筋和鄰位的限制下，使混凝土產生0
  3. Through analyzing the effect of temperature and nitrogen on crude oil viscosity the influences of different nitrogen injection volume and injection modes on steam displacement are contrasted, the mechanism of nitrogen - assisted steam stimulation is clarified, which includes : heat carrying capacity is raised, the saturation of remaining oil is reduced after nitrogen - assisted injection is made ; crude oil flow is enhanced because of nitrogen compression and dispersion and the change of oil flow shape ; water back - production rate is improved by expanding the steam sweep volume and compensating in - situ energy ; steam distillation effect is enhanced

    通過分析溫度、氮氣對原油粘度的影響，對比不同注氮量、不同注入方式等對蒸汽驅油效果的影響，弄清了氮氣輔助蒸汽增產的機理主要表現在：氮氣輔助后增加攜熱能力，降低殘余油飽和度，氮氣的壓縮膨脹作用分散和改變了原油流動形態，增強了原油流動性；擴大蒸汽的波及體積，補充地層能量，提高回採水率，強化蒸汽蒸餾效應。
  4. This paper presents the results of investigating the destructive and oil - displacing capacities of species w3, g12 and s11 for waxy crude oil from production well chang 74 : reduction of wax content by 7 - 11 % and of interfacial tension by 10. 7 44. 0 % ； reduction of high carbon number normal alkanes and enrichment of low carbon number ones ; production of gases ( mainly co2 and n2 ) and acids ; enhancement in oil recovery by 8. 2 10. 6 % ( in core experiments )

    本文報道這幾種菌在油藏條件下的生長情況，與昌74井原油的作用及巖心驅油結果：使原油含蠟量降低7 % 11 % ，使界面張力降低10 . 7 % 44 . 0 % ，使高碳數正構烷烴含量下降，低碳數正構烷烴含量增多，產酸產氣，提高巖心採收率8 . 2 % 10 . 6 % 。
  5. An insulating lift is presented to improve the insulation property between the gripper and ground of high voltage hot - line cleaning robot, and to decrease the initial cylinder ' s working - pressure of vertical lifting mechanism

    摘要提出了一種絕緣升降平臺，用於提高高壓帶電清掃機器人帶電作業時的對地絕緣性能，同時降低機器人垂直升降機構驅動油缸的初始工作壓力。
  6. Compared with farmland, the spatial distribution of orchard expressed very different characteristics. under continuous scale, distribution of orchard showed a regular pattern such as unevenness small scale : side length of the box was shorter than 8 cells - evenness small and moderate scale : the length was among 8 and 50 cells - unevenness moderate scale : the length was among 50 and 200 cells - evenness moderate and large scale : the length was longer than 200 cells ; human landscape transformation was the major impact factor of landscape changing, and a kind of moderate scale impact factor. the terrain was only a background impact factor ; during domestic landscape transforming in the working area, because the ecological maintenance value of two agricultural elements were not considered, their structural and functional equilibrium decreased gradually

    果園在中尺度區間的空間分佈與農田相比表現出顯著的差異，連續尺度的空間分佈表現出不均勻小尺度：滑箱邊長小於8個像元均勻中小尺度：邊長在850個像元之間不均勻中尺度：邊長在50200個像元之間均勻中大尺度：邊長大於200個像元的變化規律4人為改造作用是景觀動態變化的主要驅動力來源，並且表現為一種中尺度影響過程，地形因子則為背景性影響因素5景觀改造活動由於未能兼顧農業組分在區域生態穩定性維護方面的價值，兩種組分的整體結構和功能穩定性有所降低。
  7. The satss is an antenna pointing servo system with ultra - low speed and high accuracy, driven by a rare earth permanent magnet ( repm ) brushless dc torque motor. to reduce torque ripple, the repm brushless dc torque motor has a slotless armature, and uses sinusoidal wave driven technology

    衛星天線跟蹤伺服系統為超低速高精度天線指向控制系統，該系統使用稀土永磁式無刷直流力矩電機作為天線的驅動機構，為降低轉矩脈動，電機採用無槽電樞結構設計，並使用正弦波驅動方式。
分享友人
分享到 Line

分享到臉書