箱式對重 的英文怎麼說

中文拼音 [xiāngshìduìzhòng]
箱式對重 英文
box counterweight
  • : 名詞1. (箱子) chest; box; case; trunk 2. (像箱子的東西) anything in the shape of a box
  • : 名詞1 (樣式) type; style 2 (格式) pattern; form 3 (儀式; 典禮) ceremony; ritual 4 (自然科...
  • : Ⅰ動詞1 (回答) answer; reply 2 (對待; 對付) treat; cope with; counter 3 (朝; 向; 面對) be tr...
  • : 重Ⅰ名詞(重量; 分量) weight Ⅱ動詞(重視) lay [place put] stress on; place value upon; attach im...
  1. When overridden in a derived class, gets the current item as a boxed object of the most appropriate microsoft. net framework version 2. 0 type according to its schema type

    當在派生類中寫時,根據當前項的架構類型以最合適的microsoft . net framework 2 . 0版類型的裝象的形獲取當前項。
  2. In the light of the problems of the air balance system of model lcj1250 chain drive pumping unit, it is proposed to change the air balance with counterweight balance, and three criteria for the modification is put forward : ( 1 ) ensuring the reliability of the unit with smooth operation, low noise and long life ; ( 2 ) cutting down the production cost and using less component parts as possible ; ( 3 ) carrying out modification without such main technical parameters as stroke, pumping speed and maximum polished rod load

    lcj1250氣平衡鏈條抽油機存在氣平衡故障率高和現場維修困難等問題,提出將氣平衡改造成工作可靠的力平衡的方案,並確定了改造的三個原則:一是保證整機的可靠性,使抽油機運轉平穩,振動噪音小,壽命長;二是力求降低生產成本,減少零部件製造,盡可能選用原來的通用件,捨去平衡缸和空氣包等氣平衡附件,在原往返架主體上懸掛一個配;三是力求不改變沖程、沖次及最大懸點載荷等主要技術參數。
  3. Abstract : in the light of the problems of the air balance system of model lcj1250 chain drive pumping unit, it is proposed to change the air balance with counterweight balance, and three criteria for the modification is put forward : ( 1 ) ensuring the reliability of the unit with smooth operation, low noise and long life ; ( 2 ) cutting down the production cost and using less component parts as possible ; ( 3 ) carrying out modification without such main technical parameters as stroke, pumping speed and maximum polished rod load

    文摘:針lcj1250氣平衡鏈條抽油機存在氣平衡故障率高和現場維修困難等問題,提出將氣平衡改造成工作可靠的力平衡的方案,並確定了改造的三個原則:一是保證整機的可靠性,使抽油機運轉平穩,振動噪音小,壽命長;二是力求降低生產成本,減少零部件製造,盡可能選用原來的通用件,捨去平衡缸和空氣包等氣平衡附件,在原往返架主體上懸掛一個配;三是力求不改變沖程、沖次及最大懸點載荷等主要技術參數。
  4. Comparing and analyzing the synchronous control strategy, which brings up the new method to control the double un - symmetry jars proceed synchronously with the combination of proportional valve and servo valve, which forms closed loop control ; basing on the above methods, models are made to get mathematics models of position control system and to analyze system model theoretically by using pid controller, we can realize regulating parameters, minimizing synchronous errors and enhancing the dynamic performances ; the simulink tool box in matlab software is used to imitate the system according to the model, which not only makes the result visual and easy to adjust the parameters in interactive way but also lets us understand the effects of different parameters and optimizes the dynamic properties. the theory of plc control in dshp is discussed after advanced understanding of the system movements. hardware design and general regulation are given on the base of siemens company products s7 - 200 plc

    本文根據大量的國內外文獻,研配液壓機的工作原理及設計結構進行了簡介;位置同步的控制方法進行了比較分析,提出比例閥和伺服閥復合控制的閉環結構來稱雙缸進行同步控制電液比例同步控制方案;在此基礎上著比例閥控非稱缸建模,最後得到位置控制系統的總體數學模型,從理論上同步系統動態特性進行了分析,並用pid控制器進行參數整定,減小雙缸同步誤差、提高系統的動態響應性能;其中控制性能的分析藉助于matlab軟體中的simulink工具,由已建立的數學模型形成模擬模型,得到可視化的模擬結果,從而利於交互方下調整參數,了解不同的參數系統的影響,優化同步系統的動態性能;在深入了解系統的動作特性后,plc控制研配液壓機的原理進行了探討,針siemens公司s7 ? 200型plc給出了硬體設計的總體規劃,編制出研配液壓機動作控製程序,在編程中著研究位移傳感器與plc的通訊、雙缸同步運行的pid控制在plc上的實現及bcd碼撥盤輸入程序的植入問題。
  5. Considering the similitude law for shaking table test, we study the test results and obtain some conclusions which are a ) generally, the silty soil in test box liquefies and the liquefied time has relation with the amplitude of acceleration, b ) when the intensity is on and above eight degree, the silty soil deposit will be liquefied dramatically, c ) the relationship of the pore water pressure is relevant to the cycle loading which represents when the cycle loading ranges from little to great, the relationship is represent as a concave curve, or else as a protruding curve and tends to stability. ( 3 ) based on the triaxial compression test and the resonant column test, some studies are made such as a ) the duncan - chang parameters of constitutive model, b ) the dynamic shear modulus ratio and c ) the damping ratio of the site soil deposits. in order to deal with the test data, a computer program is compiled

    ( 2 )利用小型振動臺進行了k _ 0固結狀態下粉土的振動液化模擬研究,通過分析正弦荷載作用下的試驗資料,驗證了粉土的孔隙水壓力增長模的合理性;從微分方程推導了基於土體振動臺模型試驗的相似律,並從模型實體、孔壓時程曲線和相似律等方面做出了分析,得出了如下結論:在小型振動臺試驗中,模型中的粉土都發生了液化,液化的時刻和輸入加速度幅值有關,而頻率的變化不太敏感;粉土在相當於8 9度地震烈度的加速度幅值作用下可能產生嚴的液化;孔壓的增長曲線形狀與施加的荷載有關:當施加荷載為由小到大的形時,曲線形狀為上凹的曲線;當施加荷載為等幅的正弦荷載或荷載幅值由大到小時,曲線形狀為上凸的曲線,且逐漸趨于穩定。
  6. By study on rice direct planting machines existed, the baby rice seedling direct planting machine reformed from rice transplanting machine has a long term potential. it has unique and reasonable design both in eight separable boxes filled baby rice seedling and the sowing needles fixed on sowing wheel. but it still existed some problems of designs and manufactures, for example the machine could not going ahead because of the mud assembled on the boat board, the interference between the sowing needle and the check curtain etc. all this aff

    現有水稻直播種植機械的研究發現,水稻直播種植機械在原有的水稻插秧機的基礎上改造具有較大的發展前景,採用的份隔乳芽和撥苗輪的撥針的設計較為獨特,也較為合理,但還存在某些設計和製造問題,如船板的淤泥現象,撥針和秧簾的干涉現象較為嚴等,這些都嚴影響了直播機的工作性能。
  7. The final conclusion includes that, 1. the common characteristics of the developments of inner waterway container transportation in many renowned international container ports is that starting with inner waterway construction projects and opening inner waterway containers ? commuting passage at the meantime, those ports have undertaken the same guideline of emphasizing on road, railway and waterway transportation equally. especially for river port or delta ports, the inner waterway container transportation is critical for the development of key container center

    本論文得出的研究結論有: 1 、世界上著名的國際集裝大港的內河集裝集疏運系統的發展特點是:以內河航道整治為領先、同步建設與開通內河集裝集疏運通道,實行公、鐵、水(內河)集疏運並的建設方針,特別內河港和河口港來說,內河集裝運輸是集裝大港發展的至關要的集疏運方
  8. According to the crane management characteristics in both domestic and foreign terminals and with the thinking of how to find the key to calculate and reduce operation cost through analysis of maintenance composition, i put on the aim of maintenance analysis

    根據設備管理的目的和任務,結合集裝碼頭設備管理的特點和目前國內外大型碼頭設備的管理模,提出了進行維修性分析的目的,產通過維修成本要素的構成分析,確定運行成本的點和解決運行成本的關鍵。
  9. As a follow - up to the training session in canada, the training program in pengzhou summarized the experiences and lessons in the four piloting sites that have opened farmers field schools. in addition, the program has analyzed the problems and challenges faced by the current training and provided guidance for the improvement of the weak links in the training process. the training courses were focused on the participatory training approaches and informal education methods for adults learning, which included

    培訓內容點是參與培訓與成人非正規教育方法,主要包括參與需求評估方法參與測評技能bbt票法測試農民田間學校的模怎樣開展農民田間學校輔導員的作用角色扮演怎樣做好輔導員怎樣與不同類型的培訓象交流怎樣提問團隊的功能和農民培訓中的團隊活動農民田間學校課程設計編寫培訓計劃以及怎樣在參與培訓中運用游戲來提高培訓象的興趣等內容。
  10. Fabrication of the box beam is divided into such parts as reinforcement, formwork, concreting, prestressing, moving and storing of beam, pipe grouting under pressure, end sealing of the beam, water - proof layer on the bridge surface system, protective coating etc. the paper makes description of effective box beam construction technology and workmanship which can be adopted in other projects, such technologies as : manufacturing and fixing of reinforcement, steel reinforcement fixing baseplate, web plate and top plate respectively and lifting the steel skeleton into form, requirements of design and manufacturing and way of utilization for dismantling - erection type formwork and hydraulic formwork, optimization of concrete ratio, concrete pouring process of two ends of beam in priority over the middle, in sequence of first baseplate followed by web plate and top plate at last, concrete pouring in inclined section and in horizontal layer, concrete vibration mainly by external vibrator in assistance with internal vibrator, methods and regulation for steam curing of concrete, dual controls over stress and strain to ensure quality of prestressing workmanship, construction method of effective beam moving by heavy - weight special moving facility, some regulations and key notes about construction of grouting under pressure, beam ends sealing, water - proof layer on the bridge surface system, protective coating

    梁製造由鋼筋工程、模板工程、混凝土工程、預應力工程、移存梁工程、孔道壓漿工程、梁體封端工程、橋面防水層和保護層工程等施工環節組成。文中介紹的採用胎具製作和綁扎鋼筋,分底腹板和頂板分別綁扎並吊裝鋼筋骨架入模;拆裝和液壓兩種模板的設計、製作要求和使用方法;綜合考慮、優化混凝土配合比,混凝土灌注從兩端至中間、先底板、后腹板、再頂板的施工順序和斜向分段、腹板水平分層、附著振搗為主、插入搗固為輔的施工工藝,蒸汽養護的方法和規定;應力應變雙控制確保預應力施工質量的施工技術;採用物移運器有效移梁的施工方法;壓漿、封端、橋面防水層和保護層施工的一些規定和注意事項等都是梁製造行之有效的施工技術和施工方法,並可為以後類似施工作借鑒。
  11. Based on the research and model test, the head loss of flap valves is analyzed by both mathematical physics method and the equation of criterion, and the impulsive force and open angle of flap valve are researched. the flap valve approximate - calculation method is the emphases in this paper. the design methods and using effect of air - filled floating flap valve are studied in the paper by combining with engineering example

    在總結前人研究的基礎上,照試驗結果,通過數理解析和準則方程分析了拍門水頭損失,研究了拍門水流沖力的求解和拍門開啟角度的求解,著研究分析了拍門近似計算方法,分析拍門在水中的運動規律,並結合工程實例,研究探討充氣浮拍門的配方法及其使用效果,為今後開拓充氣浮拍門的運用領域作些探討研究。
  12. In this paper, by way of example of the elevated pile cap construction of sanmenjiang bridge in liuzhou city, the design and construction of the column steel boxed cofferdam of tensile and compressive type are introduced with particular details given to its design scheme, working principles, construction technology and construction key points, and the matters of attention in the construction with the cofferdam are expatiated as well

    以柳州市三門江大橋高樁承臺施工為例,介紹拉壓柱鋼吊圍堰的設計與施工,點介紹鋼吊圍堰的設計方案、工作原理、施工工藝及施工要點等技術細節,同時鋼吊圍堰施工中的注意事項進行了闡述。
  13. Finite element analysis ( fea ) is used to optimise production of gear cases and other structural components, while failure mode and effect analysis ( fmea ) is carried out as part of the design review procedure ensuring a critical appraisal of key design elements and fulfilment of the operating requirements

    Fea (有限元分析)用來優化變速及其它結構件的生產, fmea (故障模與效果分析)作為設計審查程序的一部分,確保要設計部件進行嚴格的鑒定,以達到運作的要求。
  14. According to the practical condition of star high - tech, the design contents of box - type substation are described in very much detail, especially, the scheme design for intelligent box - type substation including the main equipments and auxiliary equipments is the key issue to manufacture this kind of product. it is also the key aspects of this paper

    論文根據作者所在單位思達高科的實際情況,開關站的設計內容進行了詳細地描述,特別是智能型開關站的整體設計思路,涉及到一次、二次設備的內容,是生產這種產品的關鍵,也是本文論述的點。
  15. The recognition and measurement of social, economic, and environmental benefit are studied and concrete expressions of these three objects are given ; according to different features of water users and water sources, the concepts and calculation methods of water use fair coefficient of water users and water supply sequence coefficient of water sources are presented ; the concept and calculation method of accordant coefficient of water environment and economic system are also put forward and it is considered as a condition of constraint ; the method to calculate discharge amounts of key contaminants in a planning standard year is brought forward ; on the basis of analyzing characteristics of the model for optimal allocation of regional water quality and water quantity, the method based on matlab optimal toolbox to solve the model is discussed

    模型中考慮了社會目標、經濟目標、環境目標的識別和度量方法,給出了三類目標的具體函數表達;根據用戶特性和水源特性的不同,引入了用戶用水公平系數、水源供給次序系數的概念和度量方法;由於區域水環境與經濟的協調發展是區域可持續發展的核心內容,因此本文提出了水環境經濟協調發展度的概念,並給出了相應的計算公規劃水平年區域要污染物排放量進行了計算,並以約束條件的形予以考慮;分析了區域水質-水量聯合優化配置模型的大系統、多目標、非線性等特點,探討了基於matlab優化工具的模型求解技術和方法。
  16. In the light of the characteristics that the joint parts between the concrete rigid - frame structure and steel box arch ring of caiyuanba changjiang river bridge in chongqing mainly work as the compressive elements, the design of the parts is carried out by means of improving the steel plates, and the design methods and local details design of prestressing steels are put forward in order to ensure the safety of the bridge structure

    摘要針慶菜園壩長江大橋混凝土剛構與鋼拱接頭主要為受壓構件的特點,採用改進鋼板形進行設計,提出預應力鋼筋的設計方法及局部細節設計,確保結構安全可行。
  17. With the input of a great number of data and survey information, the mcgdm system adjusted the criteria, comparative importance and weight while taking into consideration of various qualities and quantities such as shipping cost, investment scale, construction condition and development potentials, etc. the comments and recommendations on the options were resulted and a quantitative comparison became possible. it not only analyzed the cost of each option but also optimized the local container transportation network by comparing the shipping cost of each option, with the help of transportation network optimizing model and other techniques

    本文還運用了多準則群決策分析方法,以大量數據信息採集和多個專家意問卷調查為基礎,各個基本準則和評價指標相要程度、權值進行了綜合處理,同時有機的融合了包括運輸費用、投資規規模、建港條件、發展前景等各種定量和定性分析的指標,提出了布局方案選擇的推薦意見,為規劃方案比較提供了量化比選依據,為大型集裝港口規劃探索了一種更有效的方法和更科學的規劃工作模
  18. Zb transformer substation named european style cubical substation, which as a new type of electricity supplying equipment, with more advantages than traditional substation, because of small dimension, compact structure, and decreases the construction cost, at the same time, its installation is very easy, and the supply is very fast, and no need watching people, especially it is into the load center, which is very important for improving the supplying quality, decreasing the loss, improving supplying reliability and reforming electricity network

    Zb型變電站谷稱歐變,作為一種新型供配電裝置,它比傳統土建變電站具有許多優越性。由於它體積小,佔地面積小,結構緊湊,便於搬遷,因而大大縮短了基建的周期和佔地面積,也減少了基建費用。同時,變電站現場安裝簡單,供電迅速,設備維修簡單,無須專人值守,特別是它可以深入負荷中心,提高供電質量,減少電能損失,增強供電的可靠性以及配電網路改造都是十分要的。
  19. Hence, this thesis focus on the vibration and stress analysis of good - sized bridge type derrick, taking shanghai wai gaoqiao container dock and baogang raw material dock as examples. then gets some useful conclusions

    為此,本論文針上海外高橋集裝碼頭的狀態監測與安全評估系統和寶鋼原料碼頭卸船機狀態監測診斷系統為應用象,圍繞大型橋機的振動和應力狀態,進行研究工作,並得出相關結論。
  20. This paper summarizes the status and developing direction and the important action on the modem industry of material handling, analyzed the status of overhead traveling crane in our country. because internal box - maingirder overhead traveling cranes s main girder is too weight and need too material, this paper presents a improving method to web of main girder

    本論文闡述了目前國內外物料搬運的狀況、發展動態和發展方向,以及物料搬運在現代工業中的要作用,研究了目前國內橋機的現狀,針國內形梁橋機主梁偏、耗材多等缺點提出了一種主梁腹板的改進方法。
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