double pumping 中文意思是什麼

double pumping 解釋
雙曲泵
  • double : adj 1 兩倍的，加倍的。2 雙的，二重的，雙重的；對，雙，兩，復。3 雙人用的；折疊式的。4 （意義）雙...
  • pumping : 泵送
  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. Kinematics and dynamics analysis about double horse head pumping unit with arc back horse head

    后驢頭為圓弧的雙驢頭抽油機運動與動力分析
  3. Optimum design for double - horse head beam pumping unit is a question of non - linear programming with inequality constraint condition and multi - objective function

    雙驢頭抽油機優化設計是一個具有不等式約束多目標函數的非線性規劃問題。
  4. We firstly summarize the development of yb - doped fiber lasers, pumping methods and the applications of high - power fiber lasers. 2. considering the scattering loss, we deduce the relationships between laser performances of yb - doped double - clad fiber laser and parameters of laser cavity from the steady state rate equations, numerically analysis the changes of laser performances, such as laser power with the parameters of laser cavity, including output mirror reflectivity, optimum length of double clad fiber

    研究主要內容包括如下幾個方面:一、首先對摻鐿光纖及摻鐿光纖激光器的發展狀況、包層泵浦技術和高功率光纖激光器的應用等進行了綜述;二、在前人對高功率雙包層光纖激光器的理論基礎上，在考慮了光纖散射損耗因子的情況對光纖激光器理論進行了推導，給出了準解析解，進一步完善了理論分析。
  5. Kone technology, original european hydraulic cylinder, pumping station and control system, ensure superior quality, high reliability and longtime life of our products. multi - type operation modes such as single - cylinder and double - cylinder in 1 : 1, 2 : 1, 4 : 2 ratio instead of traditional mrl solutions can save building space and construction costs and serve in over - loading vertical transportation locations

    引進通力技術，原裝進口歐洲全套液壓油缸泵站和控制系統，保證了產品品質可靠性和長使用壽命單缸雙缸1 ： 1 2 ： 1 4 ： 2等多種經典結構，是傳統的無機房解決方案，可減少建築空間降低建築造價，能勝任各種重載大噸位垂直運輸場合。
  6. The optimum design method is utilized to design 12 - 5 - 48hb double - horse head beam pumping unit with rear horse head s outline of spiral of archimedes, and the optimum result is analyzed and compared with double - horse head beam pumping unit with rear horse head s outline of three - section circular arc and beam pumping unit

    用該優化方法對12 - 5 - 48hb型后驢頭為阿基米德螺線雙驢頭抽油機進行了優化設計，並對優化結果和后驢頭為三段圓弧的雙驢頭抽油機及游梁式抽油機進行對比分析。
  7. We calculate the stress fracture limit, critical index limit and melting limit in a high power double clad fiber laser. the results show that the average output power decreases when the temperature is too high. to maintain the pumping efficiency and the output power, some cooling methods should be used when the output power reaches a certain level

    給出了熱效應對雙包層光纖激光器影響的裂解極限、臨界折射率極限和熔化極限與光纖結構參數和泵浦功率的表達式，理論分析和數值模擬結果表明對于高功率的雙包層光纖激光器溫度很高時激光增益下降，在一定的功率水平上需要進行外界的冷卻，以保證泵浦激光的效率和高功率的激光輸出。
  8. Study and simulation about pumping unit with double circulation and each - other balance

    雙循環互平衡游梁式抽油機的設計及模擬
  9. Structure optimum design of double wheel and direct balance pumping - units

    雙天輪直平式抽油機結構優化設計
  10. Double - clad pumped yb - doped fiber laser has the advantages of compact structure, simple cooling, broad pumping wavelength, high efficiency, high power, long - life. there are many applications of fiber laser in optical communication, industry process, medical treatment, laser printing and label - making

    雙包層泵浦摻鐿光纖激光器具有結構緊湊、散熱條件簡單、泵浦范圍寬、高效率、高功率、壽命長等優點，在光通訊、工業加工、醫療、激光印刷打標等領域有著廣泛的應用。
  11. He ' s pumping that jab now too. - double that jab up, baby

    他打出了一組短直拳-加倍的給他短直拳！
  12. - he ' s pumping that jab now too. - double that jab up, baby

    -他打出了一組短直拳-加倍的給他短直拳！
  13. The research of er3 + / yb3 + co - doped fiber laser and amplifier is carrying in experiment. the er3 + / yb + co - doped double cladding fiber is produced by ino, the pumping resource wavelength is 977nm, the maximum pumping power coupling into inner cladding is 1. 33w

    公司拉制的e屍+ / yb3 +共摻雙包層光纖，泵浦源的波長為977nm ，最大輸出功率為2 . 46w ，實際禍合到雙包層光纖中的最大功率為1
  14. The mechanism for optical storage in these materials has been attributed to a statistical reorientation of the azobenzene chromophors perpendicular to the polarization of the incident electric field of the pump laser beam. the photoinduced birefringence and holographic storage in methyl orange dyes ( mo ) doped polyvinyl alcohol ( pva ) films were reported firstly in this thesis. the relationship between the photoinduced birefringence and the dye content and pumping power was investigated by using the writing light of 532 nm ( double - frequency of nd : yag laser ) and the reading light of 632. 8 nm

    本文研究了甲基橙（ mo ）偶氮苯染料摻雜聚乙烯醇（ pva ）薄膜的光致雙折射和全息光存儲特性，利用yag激光2倍頻（ 532nm ）作為寫入光， he ? ne激光（ 632 . 8nm ）作為讀出光，研究含有不同染料濃度pva薄膜的光致雙折射特性，探討了光致雙折射和泵浦光功率的關系，實現了全息光存儲，所得光柵生長曲線包含快過程和慢過程，快過程以異構相位光柵的生長為主，慢過程以取向光柵的生長為主，對此實驗結果本文給出了合理的理論解釋。
  15. The theoretical model of dc electroosmotic flow field is built based on the forming principle of the pumping rate and pressure of electroosmoticflow micropump. the numerical values of electric double layer and electroosmoticflow field are solved by using vorticity stream funcion formulation and finity difference algorithm. it shows many factors influence the pumping rate such as electric field indensity, section area, section shape, the dielectric constant and the viscosity constant of flow

    本文詳細的綜述了直流電滲流微泵的國內外研究狀況，闡述了雙電層和直流電滲流微泵的原理，研究了電滲流微泵流量與壓強的產生機制，建立了直流電滲流流場的理論模型，並利用渦度流函數法和有限差分法得到雙電層電勢和電滲流流場數值解。
  16. 3. we study how to improve the pump efficiency in a double clad fiber laser. several traditional pumping methods are considered and the light propagation

    其中雙包層光纖的結構、內包層的形狀、泵浦光入纖方式等是這項技術的關鍵所在。
  17. When a mathematical model of optimum design for double - horse head beam pumping unit is set up, objective function of energy saving ， low weight and excellent unit s comprehensive performance is selected, and interference is mainly solved in constraint condition

    在建立雙驢頭抽油機優化設計數學模型中，綜合考慮到各項指標對抽油機總體性能的影響，選用「以能耗低、質量輕、綜合性能指標要好」為尋優目標，在約束條件方面主要解決干涉問題。
  18. A laser diode with 976nm center wavelength and 2. 03w maximum cw output power is pumping unidirectionally through the couple - imaging system on a double - clad yb - doped silica fiber with a yb - concentration 0. 65 mol % circular inner core, a d - shaped inner clad, and 15m length by f - b cavity. the center wavelength of the fiber laser is 1130nm, and the maximum cw output power is 130. 7mw. an optical - to - optical conversion efficiency of 42 % and a slope efficiency of 63. 4 % are obtained

    用中心波長976nm 、最大連續輸出功率為2 . 03w的ld泵浦源，通過成像耦合系統，單端直腔式泵浦纖芯摻雜濃度為0 . 65mol % 、內包層截面形狀為d形、長度為15米的雙包層摻鐿石英光纖，實現了中心波長1130nm 、最大功率為130 . 7mw的連續激光輸出，光纖激光器的光光效率為42 . 0 % ，斜效率達到63 . 4 % 。
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