pumping mechanism 中文意思是什麼

pumping mechanism 解釋
抽運機制
  • pumping : 泵送
  • 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. The most likely and obvious radiative connection between the infrared and the masers is through the mechanism of radiative pumping of the maser.

    紅外輻射及微波激射間最可能而又明顯的輻射聯系是通過微波激射的輻射抽運機制實現的。
  3. The characteristics of high pressure gyratory sprayed pumping discusses is presented, which is applicable in wide range of scope and ground layers, convenient for construction, long durability, wide source of materials. mechanism for subgrade strengthening : complex foundation of cement solid and earth between piles was formed by pulsant load of flowing pressure and spraying flow, water wallop, cavitation phenomenon, water wedge effect, extrusion force and air flow agitation etc so as to enhance foundation bearing force and reduce settlement and deformation

    高壓旋噴注漿技術具有適用范圍、適用地層較廣,施工方便,耐久性好,材料廣闊等特點;其加固地基機理主要是通過流動壓、噴射流的脈動負荷、水塊的沖擊力、空穴現象、水楔效應、擠壓力、氣流攪動等效應形成水泥固結體與樁間土的復合地基,從而提高地基承載力,減少沉降變形。
  4. Application of frequency conversion project in drainage pumping stations and discussion of energy - conserving mechanism

    排水泵站變頻節能的工程實踐和機理初探
  5. Study on the mud pumping in the railway subgrade and its mechanism

    論鐵路路基翻漿冒泥病害與發生機理
  6. Energy saving mechanism in the application of gas anchors to rod pumping wells

    抽油機井應用氣錨的節能效果
  7. Myocardial bioelectric phenomena and their mechanism, the characters of excitation transmission in heart ; the periodicity changes and their characters of myocardial excitability, autorhythmicity and pacemaker of heart ; pumping function of heart and evaluation ; the concept, mechanism and influencing factors of arterial blood pressure ; carotid sinus and aortic arch baroreceptor reflex

    心肌細胞(工作細胞和自律細胞)的生物電現象及其形成的機制,心內興奮傳播的特點;心肌興奮性的周期性變化及其特點,自律性和心臟的起搏點;心臟的泵血功能及其評價;動脈血壓的概念、形成機制、影響因素;頸動脈竇和主動脈弓壓力感受性反射。
  8. With the using of microsoft visual basic 6. 0, a multimedia computer - aided design system of small type pumping irrigation district is developed in this paper. provided with the live multimedia messages as well as a good man - machine conversation mechanism, this system can help the user to finish the planning of an pumping irrigated area such as the layout of canal system, the selection of pump models, the establishment of the irrigation program, the calculating of canals " parameters, the estimate of the project magnitude, the selection of the field constructions, the economic analysis of the project, the output of results, etc, a new oo ( object oriented ) programming method is adopted in this system, various softwares are integrated in this systems as well by the " automation " technic provided by vb, in addition, the multimedia technic is applied to this system for the first time, it makes the system easy to ope rate. as for the optimization of the canals " section, a new optimization method is adopted based on the existing theories about the canals " section, and in this way, with the purpose of minimizing the project ' s investment as well as a stalized canal, limited by the longituding slope, the canals " best feasible parameters can be deduced. furthermore, a integral method to reckon the earth work is developed in this paper, by this way, the estimate precision of the earthwork is enhanced notably. this paper includes the particular illumination for the developing procedure of each systems " segment, and in the end, the directions of the system are demonstrated in a sample area which lies in the zhaija village, taizhou city, jiangsu province, the running results showed that the initial purposes are achieved effectively, and it has a preferable practicability

    在渠道縱橫斷面優化方面,本文在利用已經比較成熟的縱橫斷面優化理論的基礎上,提出以工程總費用最小為目標函數,以渠道縱坡i為控制變量,以渠道不沖不淤流速及灌區允許地面比降為約束條件,通過縱橫斷面聯動優化的方法得到渠道的最佳工程可行的斷面參數。另外,針對部分地區的取土困難的狀況,本文採用積分法計算渠道工程土方量,從而大大提高了土方量的估算精度,有助於準確控制工程投資規模及資金投向。本文詳細闡述了該系統所採用的編程方法、系統構成、系統各組成模塊的開發過程以及灌區規劃所採用的優化方法及原理,最後應用本系統對泰州市翟家村機電灌區進行規劃設計,運行結果證明其操作比較簡便,界面友好,運行速度快,規劃成果合理,基本達到了系統預定的要求,具備較強的實用性。
  9. Based on the observation data such as coads and soda, the main climatological features of the tropical indian ocean and relationships of sea surface temperature ( sst ), heat budget with ocean dynamics and thermodynamics processes are analyzed ; the seasonal and interannual variability of the tropical indian ocean are well simulated using a ocean general circulation model ; based on the thermal equation and model output data, the variation mechanism of sst and heat budget are investigated in the tropical indian ocean ; besides, the effect of seasonal variation of wind stress, ekman pumping and horizontal diffusivity on the ocean current and heat budget are studied, using both ideal model and complex model

    本文根據coads 、 soda等實際觀測資料,較全面的分析了熱帶印度洋主要的氣候特點,並研究了海表面溫度( sst ) 、熱收支與海洋動力、熱力過程的聯系;利用全球海洋環流模式較好地模擬出熱帶印度洋的季節和年際變化;基於熱力學方程和海洋環流模式輸出結果,探討了熱帶印度洋sst和北印度洋熱量收支的季節和年際變化機制,進一步揭示了海洋動力過程在北印度洋熱平衡中的重要作用;在此基礎上,利用理想化的數值試驗與數值模擬結果相結合的方式,證實了風應力的季節變化和ekman抽吸,以及水平熱量擴散系數對北印度洋海洋環流和熱收支的影響。
  10. Lwac is becoming one of the important trends in the development of modern concrete. to solve the problems such as poor workability, large shrinkage value and crack easily of lwac, on the basis of systematic experiments, the author establishes lwac workability evaluation system and advances the testing method of pumping performance of lwac ; the control technology of discrete of lwac is introduced through analyzing structure formation process and establishing the mathematic model ; based on studying the strength source of lwac and the function mechanism of artificial additive, this paper not only confirms some major factors which affect concrete strength but explores the preparation technology route of high strength lwac ; the different effects of several fibers in lwac have been studied, and the fiber is introduced in pumping lwac to improve its crack - proof performance

    本文針對輕集料混凝土工作性能差、收縮變形大、易於開裂等問題,根據大量實驗建立了高強輕集料混凝土工作性能的評價體系,提出了高強輕集料混凝土可泵性的測試方法;通過分析輕集料混凝土的結構形成過程,建立了輕集料混凝土拌和物物料運動的數學模型,提出了防止輕集料混凝土分層離析的技術措施;通過對輕集料混凝土強度來源和礦物摻合料的作用機理的深入研究,確定了影響輕集料混凝土強度因素的主次關系,提出了配製高強輕集料混凝土的技術路線;研究了纖維在輕集料混凝土中的增強增韌、減少收縮的作用機理。
  11. In this paper, the progress of in - situ leaching technique is summarized, the characteristics of in - situ weak - acid leaching technique of uranium are discussed, and the leaching mechanism and technology, layout size of injecting and pumping holes, selection and acidity of lixiviant, the determinations of acid consumption and leaching time for in - situ weak - acid leaching of uranium are studied

    摘要總結了地浸技術的發展,論述了低酸浸出采鈾技術的特點,對低酸地浸采鈾的浸出原理和工藝、鉆孔網度、浸出液的選擇及其酸度、耗酸量和浸出時間的計算進行了研究。
  12. 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。
  13. Abstract : this paper analyzes the mechanism of side attrition of pumping rods and tubes after polymer flooding, and proposes a method of comprehensive prevention

    文摘:從生產實際出發,結合理論分析,較全面地分析了聚合物驅油后出現桿、管偏磨現象的機理,並提出了綜合防治的基本措施與方法。
  14. The new type three - ring reducer can be used as drive mechanism of pumping units

    該新型減速器可用作抽油機的傳動裝置。
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