differential mechanism 中文意思是什麼

differential mechanism 解釋
差動機構
  • differential : adj 1 差別的,區別的;特定的。2 【數學】微分的。3 【物、機】差動的,差速的,差示的。n 1 (鐵路不...
  • mechanism : n 1 (機械)結構;機械裝置[作用];(故事的)結構。2 【哲學】機械論 (opp vitalism)。 3 【文藝】...
  1. This drilling adopts crank connecting link and walking beam percussion mechanism, which make the drilling possess two percussive functions, normal drilling takes connecting link impact as main mode, when encountering special situation and the connecting link impact can not drill, it can transform into hoisting impact, the stroke length can be modulated, it realizes automatic percussive drilling due to continuous operating of connecting link percussive mechanism, these can enhance drilling efficiency and relieve labor intensity ; it adopts pumping reverse circulation to drain slag, which not only resolves the drilling difficulty in special stratum such as pebble and gravel stratum and hard stratum, but also resolves the problem that the percussive drill ' s efficiency is low ; it adopts spur gear differential mechanism as double cylinders lazy tongs of main hoist, which not only ensures the balance state of drilling tool, but also reduces the mechanical design, and reduces the cost ; the bottom plate traveling motion of this drilling machine adopts walking type ; the drilling tower adopts hydraulic pressure uprising, and reduces the assistant operating time

    該鉆機採用曲柄連桿、游梁式沖擊機構,使鉆機具有兩種沖擊功能;正常鉆進以連桿沖擊為主,遇到特殊情況,用連桿沖擊不能鉆進時,可轉為卷揚沖擊,沖程可調,因連桿沖擊機構連續工作,所以實現了自動沖擊鉆進,可提高鉆進效率,減輕勞動強度;採用泵吸反循環的方式排渣,既能有效解決卵礫石地層、堅硬地層等特殊地層鉆進的困難,又很好地解決了沖擊鉆機效率低下的問題;採用直齒圓柱齒輪差速機構作為主卷揚的雙筒同步機構,既保證了鉆具處于平衡狀態,又大大簡化了該機構設計,降低了成本;該鉆機底盤行走移位採用步履式;鉆塔採用液壓起立,減少了輔助作業時間。
  2. Recent studies have highlighted the differential expression between male and female genomes, the mechanism of epigenetic processes and the regulation network of development

    新近的研究集中在雌雄基因組的差異表達、後生過程的控制機理和發育調控網路等方面。
  3. Experimental study on the mechanism of earthquake - induced differential settlement of building on liquescent subsoil by shaking table

    可液化地基上建築物不均勻震陷機制的振動臺試驗研究
  4. Differential flocculation was proposed as the mechanism to explain these observed variations in setting rates with salinity.

    有人提出用差異凝聚作用的機理來解釋所觀察到的沉降速度隨鹽度變化的原因。
  5. This paper focuses on the research of the stress mechanism of the ribbed shell structure in statics, dynamics and under the explosive load on the basis of the engineering practice of cave depot of single aircraft. in this paper, according to the classical shell theories, the basic differential equilibrium of the ribbed shell structure and the finite element analysis of 3d rippled plate are established, in which the function of annular ribs reinforcement bars and 3d ripped steel plates are distributed in the range of the steel, and the functions along the longitude direction of tension, bending, and torsion are neglected ; applied with dynamic analytical theory, the dynamic model of ribbed shell structure and the analytical theory model of elastic - plastic are set up ; the triangle series method is used to solve the displacement and stress under the distributed load and the concentrated load of the ribbed shell structure

    本文以軍用機場地面單機掩蔽庫工程建設為工程背景,首次對內襯三維波紋鋼板混凝土拱型復合結構的受力機理進行了靜力、動力和爆炸荷載的分析研究。根據將橫肋、鋼筋及三維波紋鋼板的作用均勻分佈在殼體范圍內的情況,忽略橫肋、鋼筋及三維波紋鋼板沿殼體母線方向的抗拉、抗彎及其抗扭作用,首次推導出了內襯三維波紋鋼板混凝土殼體的微分平衡方程,建立了有限元計算模型,並採用三角函數法,求解了三維波紋鋼板混凝土拱型復合結構在分佈荷載和集中荷載作用下的位移響應和應力響應,並與普通殼體進行了比較。
  6. This mechanism is a set of differential linear transmission mechanism consists of two differential pulleys, different in size and co - axially fixed together, engaged to the cog belt between driving and driven wheels of the traditional synchronous belt mechanism

    該機構是在傳統的同步帶機構的主、從動輪之間的齒形帶上嚙合一套由大小不同的兩個同軸固聯在一起的差動輪組成的差動線性傳動機構。
  7. The differential equations of rigid body compound motion in analytical form were derived. the approach to solve dynamics equations one by one and corresponding means to analyze drive force were submitted, which was the basis for further study on kinematics and dynamics of the mechanism

    著重論述了反三角函數唯一值的求解方法,推導了解折形式的剛體復合運動微分方程,提出動力學方程組逐次求解的方法和與之配套的驅動力分析方法,為后續的運動學和動力學分析奠定基礎。
  8. This thesis will study the elementary prototype of the balance mechanism of lunar rover ’ s main body which bases on the differential mechanism. this elementary prototype will work in the circumstance of the earth

    本文對基於錐齒輪差動輪系的月球車車體差動平衡機構在地球環境下的原理樣機的設計、分析及應用進行了系統的研究。
  9. Owing to the diameters of big and small pulleys are different, while the driving pulley rotates the differential mechanism will not stay at its original place and will make linear movement along the direction of centerline

    當主動輪轉動時,由於大小差動帶輪的直徑不同,差動機構就不會停留在原處,而會沿中心線方向上作直線移動。
  10. Finally, in consideration of the characteristics of the differential balance mechanism, a more accurate virtual prototype of the mechanism is established and the simulation is carried out in the software environment of adams. the angular velocity curves of the relevant parts and the natural frequency of the mechanism are got. the results may be helpful to the improvement and the application of the mechanism

    最後,綜合考慮了輪齒嚙合剛度、搖臂軸扭轉柔性及齒輪傳動回差對差動平衡機構的影響,建立了能夠比較完整地反映該機構動態特性的虛擬樣機模型;在adams軟體環境下,對差動平衡機構的虛擬樣機模型進行了動態模擬,得出了能反映該機構動態特性的關系曲線,並確定了其固有頻率,為該機構的改進及其在月球車上的實際應用提供了參考依據。
  11. First, after the overall structure of the differential balance mechanism is determined considering the given requirement, the concrete structure of the mechanism is designed with the reference of the design method of the differential which is widely used in autos. the differential gearing system is optimized and more appropriate parameters are got with which the functional requirements can be satisfied and the weight of the mechanism can also be reduced. the surface type structure is adopted on the rocker shift, so the mechanical performance of the differential gearing system and the rocker shifts may be improved

    本文根據整車的性能要求確定了差動平衡機構的總體結構形式,以汽車驅動橋差速器及半軸的設計方法為參考,對差動平衡機構的原理樣機進行了完整的結構設計;對核心的差動輪系部分進行了優化,得出了既能滿足功能要求又可以有效減小機構質量的較合理的參數;在搖臂軸中使用了類似汽車驅動橋半軸的浮式結構,使搖臂軸所受彎矩大大降低,從而改善搖臂軸和差動輪系的力學性能。
  12. The main mechanism is designed based on differential lever theory and flexure hinge, its magnification performance is simulated using finite element method ( fem ). the simulation result shows that the main mechanism owes good magnification performance

    基於差動杠桿原理和柔性鉸鏈結合起來設計了液體中運動微機器人的主體機構,並利用有限元法對主體結構的放大性能進行了模擬,所研製的放大機構具有較好的放大效果。
  13. According to the control rod hydraulic drive mechanism ( crhdm ) and the characteristics of its hydraulic cylinder seal structure, the leaking ways of the hydraulic cylinder piston ring seal were analysed, its theoretical calculation model was built and its flow resistance formula based on the calculation model of differential pressure at the hydraulic cylinder piston ring seal was deduced

    摘要根據控制棒水壓驅動機構水壓缸活塞環密封結構的特點,分析了水壓缸活塞環的泄漏途徑,建立了活塞環密封泄漏流阻的理論計算模型,並結合水壓缸活塞環密封處的壓差計算模型,推導出水壓缸密封結構的流阻計算公式。
  14. By the research of the ethylene slurry polymerization mechanism and kinetics, the corresponding kinetic and moment ordinary differential equations were built and solved

    在研究了淤漿法乙烯聚合反應機理與動力學的基礎上,建立並求解了相應的動力學與矩常微分方程組。
  15. The deformed features of jadeitic jade can be different spatially because of differential stresses and deformation mechanism, so that myanmar fei - ts ' ui from the different tracts has the different gemmological features

    強調了變形變質作用是翡翠形成必不可少的條件,指出多期、多階段性和變形機制因硬玉巖所處的位置不同而出現明顯差異,從而導致翡翠具有獨特的場口特徵。
  16. The paper formulates the dynamic analyses of hydraulic operating mechanism in large space, established mathematical model, presents methods of differential equation system, and corrects its parameters concerned in process of solution. after the unloaded characteristics calculation and test under real condition are developed for type lw - 252 breaker equipped with hydraulic operating mechanism, the time - displacement cures and the velocity - displacement cures are obtained

    本文對液壓機構的速度分析,用了大量的篇幅,建立了數學模型,給出了其方程組的求解方法,並對求解過程中所涉及的系數給予修正,在此基礎上對本課題研製的配液壓機構lw - 252斷路器進行了實際條件下的空載特性計算及實驗研究,獲得了斷路器的時間? ?位移曲線和速度? ?位移曲線。
  17. In addition, the well retained stability and integrity of cell membrane of boea leaves might also be an important mechanism which make them resurrect well. by using mrna differential display, 5 desiccation sensitive cdnas, 52 desiccation - induced cdnas, 21 up - regulated cdnas, 14 down - regulated cdnas and 16 phosphate induced cdnas were obtained. the cloning, sequencing, homological blasting and northern blotting results of 5 desiccation - induced cdnas and 3 phosphate induced cdnas implied that signal transduction induced by desiccation, regulatory gene cascades and functional genes such as g protein, protein kinase, vp3 - and mad3 - like genes might be involved in dehydration in the resurrection plant boea hygrometrica

    對其中5個脫水特異誘導表達牛耳草光合作廠j的脫水保護和復甦機理的cdna (包括可能與復甦能力有關的cdna )和3個磷酸鹽處理誘導表達的cdna進行克險測序、同源性探測和northern雜交檢測表明,牛耳草脫水過程中誘導表達的基因可能涉及到脫水脅迫的信號轉導「蛋白、蛋白激酶等) 、調節基因的級聯作用( vp3 , mad3樣基因等) 、結構基因產物調節細胞結構(包括細胞質膜)在脫水脅迫中的穩定性等。
  18. Zhang hong, wang chao, shan xinjian, ma jin. focal mechanism analysis and parameter estimation of zhangbei - shangyi earthquake from differential sar interferometry. chinese science bulletin, 2002, 47 ( 4 ) : 334 - 336

    張紅,王超,單新建.基於sar差分干涉測量的張北-尚義地震震源參數反演.科學通報, 46 ( 21 )
  19. With the aid of simplex optimum method and runge - kutta digital solution of differential equation system, the experimental data was fitted. the kinetic equations of the crystallization reactions have been given and the mechanism has been proposed on the basis of existing forms of boroxygen anion in the solution

    運用runge - kutta微分方程組配合單純形優化法擬合出了轉化結晶動力學方程,在確定溶液中硼氧配陰離子存在形式的基礎上提出了相轉化反應機理。
  20. This article focuses on this topic, and answers the following questions : 1. what are the special and differential treatment provisions in the wto dispute settlement mechanism

    本文選擇這個題目進行研究,並回答了以下幾個問題: 1 、什麼是爭端解決機制中的特殊和差別待遇條款
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